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0% found this document useful (0 votes)
180 views24 pages150 22-Eg1
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© © All Rights Reserved
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Available Formats
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/ 24
FORM 1022.€G1 (201)
RECIPROCATING
PACKAGEDLIQUID CHILLERS
AIRCOOLED AND WATERCOOLED
(3to 50 tons) (30.40 tons)
MODELS LCHAC & LCHWC
ENGINEERING GUIDE YORK
LCH
TABLE OF CONTENTS
Mechanical Specifications and Accessories 3
Design Parameters & Water Pressure Drop 4
Selection Data 56
Ratings Data
Air Cooled Models 740
Water Cooled Models a4
Electrical Data 15,16
Dimensional Data |... 17-19
Physical Data... 02... = 20
Application Data... 2.22.2 pee cat
Guide Specifications... 2.2.2... : 22,28
NOMENCLATURE
The model number denotes the following characteristics of the unit
LCH AC 30-46 B
DESIGN LEVEL
VOLTAGE* 40 = 230-1-60
(oltsPhaseH2) 17 = 2003.60
25 = 208/230-3-60
28 = 230-3-60
46 = 4603-60
58 = 575-3-60
50 = 400-350
NOMINAL TONS ~ 3, 5, 7, 10, 12, 20, 25, 30, 35, 40, 50**
CONDENSER — AC = Air Cooled; WC = Water Cooled
+ S00 ELECTRICAL DATA (Pages 1 & 16) for cu
** Kir Cooled Model Only
LIQUID CHILLER, HERMETIC
rent characteristics availabe fr specific medals
‘YORK APPLIED SYSTEMS Mechanical Specifications
COMPRESSOR/MOTOR
Fully hermetic, sweated without suction and discharge
valves, on LCHAGS thru LCHAC12, and LCHWC3 thru
LCHWC12. Semichermetic with suction and discharge
service valves on LCHAC20 thru LCHACSO and
LCHWC20 thru LCHWC40. All compressors are
reciprocating type with inherent motor overload protec-
tion, crankcase heater and oll. Force feed lubrication by
reversible gear pump. Compressor mounted on resilient
pads to minimize vibration. Safety internal rolief per
ASA-B9.1 Code.
COOLER
Fully insulated, direct expansion shell and tube type with
inserts for highly efficent heat transfer. Chilled fluid flows
thruthe baffied shell and refrigerant thru internally finned
tubes. Air-cooled models include a 115-1-60 heater for
freeze protection down to 0°F (provided the water lines
toand from the cooler ate also freeze-protected with an
adequate heat tracing element). Test pressures - 300
psig Shell Side; 375 psig Tube Side. Design pressures -
150 psig Liquid; 200 psig Refrigerant.
CONDENSER —WATER-COOLED
‘Shell and tube type with water flowing thru seamless,
integrally finned copper tubes and refrigerant thru the
carbon steel shell. Tube sheets are carbon steol. Remov-
able, baffled water heads are stool or cast ion. Design
pressures - 125 psig Water Side; 400 psig Reftigerant
Side. Relief valve - 350 psig.
CONDENSER — AIR-COOLED
Copper tube, aluminum fins, condenser coll. Fans
propeller-type direct driven by open drip-proof resilient
base motors with builtin overload protection, posi-
tioned within the cabinet for weather protection. Design
working pressure - 400 psig. Relief valve - 400 psig
REFRIGERANT PIPING
Liquid Line—Filter drier, sight glass/moisture indicator,
solenoid valve and thermal expansion valve with exter-
nal equalize.
Accessories
FORM 150.2266
‘Suction Line— Fully Insulated and designed for proper
oil return at minimum friction loss.
Discharge Line—Formed of clean ACR tubing and
preformed radius ftings.
Refrigerant Charge—Unit piped, leak tested at 300
psig, evacuated and shipped with operating R-22
charge.
CONTROL CENTER
NEMA-1 Type for Indoor Models LCHWC, and weather-
proof for LCHAC Models.
All power starting controls and safetyloperating controls
are mounted in a fully enclosed steel and/or aluminum
control panel with access door.
Power/Starting Controls Include:
Power Terminal Block
‘Compressor-Motor Contactor (across-thesine start)
High-torque Capacity Kit Single-Phase, LCHACS & 5
and LCHWC3 & 5 Only)
Fan Motor(s) Contactor (Alr-Cooled Units Only)
Fan Motor(s) Fuses (Air-Cooled Units Only)
Control Circuit Fuse
Control Circuit Terminal Block
Safety/Operating Controls Include:
System On-Off Switch
High Pressure Contro!—Manual reset
Low Pressure Control—Auto reset
Chilled Water Temperature Controller
Freezestat — Low Water Temperature
Fan Cycling to 45°F Ambient (LCHAC Models)
Compressor-Motor Overload Protection
ASSEMBLY
‘All above components assembled on a steel structural
frame formed of channels and angles as a single pack-
age with rigging holes on al four sides. Unit painted with
‘wo prime coats and two coats of acrylic "Pewter Gray’
Al 200, 290 & 460-3-60 Units are UL Listed,
WATER REGULATING VALVES (Water-Gooled Models Only) - aval
ble for ld instalation,
OPERATING GAUGES—Suetlon, discharge, and cll press
_9aug8s* (with isolating access valves) factory.nstalled and piped to
‘compressor. LOHACSO has 2 sets
‘CONTROL TRANSFORMER—Factory-mounted transformer con-
verte unit power voltage to contol voltage For Ai-Cooled Models,
the transtormerissizedto handle the power requirementofthe cooler
{toere protection
NON-FUSED DISCONNECT SWITCH —Factory-mounted (esternalto
contol panel) and wited to contro panel.
INDICATING LIGHTS — Lights are wired and and mounted on control
panel Lights furnished for Power-on, Flow/Freeze Safety and High
Pressure Safety.
‘COPPER FIN COILS (Ai-Cooled Models Only)~Copper fin con-
denser colls available on extended delivery basi.
‘YORK -COAT (Ai Cooled Models) Baked phenolic corrosion esis
tant coating for copper tube and aluminum fin coll
YORK-GOLD FIN COILS FIN COILS (Ar Cooled’ Models Only)—
Polyeste.coated aluminum fin ever copper tubes for longer life in
seaside applications.
‘YORK APPLIED SYSTEMS
WATER FLANGES (LCHAC20 to LCHACSO Only)—Consist of two (2)
150 b. F, Flanges to convert thieadod cooler connections to flanged
connections (eee DIMENSIONS for connection sizes). Factory-
‘round,
FLOW SWITCH Factory mounted and wired to the contol panel
VIBRATION ISOLATORS — Level acjusting spring type for 1 deflection
Fiold:mounted.
HOT GAS BYPASS-Extonds operation down to 10% of capacity by
Introducing an artical load on cooler. Supplied for both refrigerant
cireuits on LCHACSO. Factoy-mounted.
DUAL UNIT KIT--Allows eperation of two or more units with parallel or
series water cccitField-mounted
‘SOUND ATTENUATOR (Water-Cooled Modele Only)—Conslets of
sound absorbing material which surrounds compressor. Factory
‘mounted,
LOW AMBIENT ACCESSORY (Alt-Cooled Models Only)—Standara
nit will operate down to 45°F. Unit wll operate down to O°F with this
factory mounted accessory. Fan speed contol LCHACS7; Fan speed
control and eyeling LOHAC 0-50,
* OllPresaure Gauge only on Models LCHAC20-80 and LCHWO 20.40.
3 Parameters
Design
ala
‘fl eis
E lal 2.8
El lal 3
ae Ey 2
a ig BB] 3 5
alg zial 3 2
3| = 3 a
Pl a 8 2
lal 28 g
‘al alg
ge \8
al ele
- z a aa
‘300
200
60 80 100
orm
YORK APPLIED SYSTEMS. Selection Data
GUIDE TO SELECTION
Capacity ratings for YORK Model LCHAC and LCHWC
Packaged Liquid Chillers shown on pages 1 thru 14
cover the majority of design applications for these units.
For unusual applications or uses beyond the scope of
this catalog, please consult the nearest YORK office or
representative.
SELECTION RULES
1. Ratings —Ratings may be interpolated, but must not
be extrapolated. The RATINGS given on pages 7 thru
‘and the DESIGN PARAMETERS indicate the limits,
of application of these chillers.
2. Cooled Water—Ratings are based on 2.4 gpm per
ton which is equal to a 10°F chilled water range and
0.00028 fouling factor for the cooler at sea evel. The
ratings are applicable to cooler water ranges between
6°F and 14°F except where limited by water flow limits
for the cooler.
3. Condenser (Air Cooled) —Ratingsare given in terms
of Air on Condenser in °F.
4, Condenser (Water Cooled) — Ratings are based on
3. GPM/TON capacity and are applicable from 2 to 4
GPM/TON as limited by water pressure drop or min-
Imum and maximum flow rate limitations.
5. Fouling Factor— Ratings are based on 0.00025 foul-
ing factor for both cooler and condenser. For 0.00075
fouling factor, apply the following corrections to the
ratings in the table:
Cooler —Multiply Tons by 0.98; KW by 0.99
Condenser —Multiply Tons by 0.97; KW by 1.045
‘Actual condenser heat rejection should be computed
after the Tons and KW have been determined,
6. Altitude Correction Factors (Air Cooled Models) —
Ratings are given for units operating at sea level. For
operation at higher elevation, apply the following
correction factors.
‘Aninude (Feet) Faster
(above Sea Level) Tone ew
‘2000 0.905 1.00
4000 ‘0.990 tor
coo | _aeo 12
7. Etyhyine Glycol Correction Factors —The following
factors to are to be applied to the standard RATINGS
for units cooling ethylene glycol
Factors Freeze
Point
kw [P| Gpmrrrton | “Cr
1000] 102 ] 241 6
og05 | 105 | 248 16
og | 110 | 260 5
oss | 113 | 273 40
ogee | i1a | 290 2
‘YORK APPLIED SYSTEMS
FORM 160.22-601
METHOD OF SELECTION (AIR COOLED MODELS)
To select a YORK Packaged Air Cooled Liquid Chiller,
the following data must be known:
1. Design Capacity in Tons Refrigeration (TR).
2, Entering and Leaving Liquid Temperature.
8, Outside ambient air temperature in degrees F,
4. GPM of chiled liquid
Determine capacity requirements from the following for-
mula
Capacty (Tons) = SPMXChiled Water Range)
EXAMPLE (AIR COOLED MODELS)
1. Given: Provide a capacity of 20 Tons at 44°F leaving
water, 10°F range, and 95°F air on condenser.
2. Find: Unit Size; KW Input; and Cooler Pressure Drop
3, From Table on page 8,
Read:
21.2 Tons (LCHAC25)
21.9 KW
50.9 Cooler GPM
4, From curve on page 4
Read:
12.5 ft. of water cooler pressure drop for 50.9 GPM,
5. An LCHAC25 is suitable,
METHOD OF SELECTION (WATER COOLED
MODELS)
It the duty requires a 10°F range on both the cooler and
condenser, see RATINGS. Also refer to paragraphs 5
(Fouling Factors) and 7 (Ethylene Glycol Correction
Factors), it applicable.
For water ranges other than 10°F, use the following
procedure:
1. Determine capacity required from the following for-
mula;
Capacty Tons) = GPMXChiled Water Range CF)
2. After applying any fouling factor corrections, the ac-
tual condenser heat rejection may be determined as
follows:
Heat Rejection
(@TUH)
Heat Rejection (BTUH)
000
= Tons x 12 + KWx3.415 3. Determine condensing water requirements for water
cooled models as follows:
Condensing Tons = Heat Rejection (MBH) x 1000
5000
Condensing Wator (GPM) = Condensing Tons x 20
Condensing Water Range (F)
EXAMPLE (WATER COOLED MODELS)
Given—Chill 97 GPM of water from 54°F to 46°F with
80°F to 95°F condensing water available, Fouling factor
of 0.00075 specified for condenser.
Find—Required Unit Size; Capacity; KW and Water
Pressure Drop
Solution:
1. Chillers water range = 54°F -46F = 8°F.
2. Capacity (Tons) = GPM Chilled Water Range (F)
24
= 97x8 = 323
24
3. From ratings, a Model LCHWO35 (page 12) has the
required capacity range. For a cooler leaving water
temperature of 46°F and a condenser leaving water
tomperature of 96°F, the unit capacity rating table
indicates at 46°F/95°F leaving water temperatures,
Tons = 97.6;KW = 296
Correcting for a Fouling Factor of 0.00075
Tons = 376x097 = 365
KW = 296x1.045 = 30.9
The unit is suitable.
4, Determine average full load KW at 32.3 Tons:
32.3% (80.9) = 27.3 KW
36.5
5. Determine the condenser heat rejection as follows:
Heat Rejection (MBH) = Tons x 12 + KWx3.415
82.3x12 + 277 X3.415
387.6 + 93.2
= 480.8
6. Determine GPM condensing water as follows:
GPM Condensing Water = MBHx2_
Condensing Water Range
= 480.8x2 = 641
15
7. From curves on page 4, the pressure drops with 97
GPM through the cooler and 64.1 GPM through the
condenser of a Model LCHWC35 are:
Cooler Pressure Drop at 97 GPM = 19.0 Ft.
Condenser Pressure Drop at 64.1 GPM = 5.0 Ft.
EXAMPLE—BRINE CHILLING (AIR COOLED
MODEL)
GIVEN—Provide a capacity of 34 TR cooling 20% by
weight Ethylene Glycol from 48°F to 40°F, 0.00025 Foul-
Ing Factor and 95°F air on the condenser.
DETERMINE—
Unit Size
KW Input
Ethylene Giycol GPM
Cooler pressure Drop
1. See paragraph? (Ethiyne Glycol Correction Factors).
For 20% by weight Ethylene Glycol, try LCHACSO,
READ:
Capacity Factor of 0.99
KW Factor of 0.995
GAL/TTR Factor of 24.8,
2. See RATINGS (page 8, for LCHACSO at 40°/95°F,
READ:
98.3 TR
42,4 KW
3, Determine LCHACS0 brine cooling capacity and KW
requirement:
TR = 983x099 = 97.9
KW = 42.4x 0.995 = 42.2
4, Determine Ethylene Glycol GPM.
GPM = TRxGAL/F/Min/Ton Factor
Range
GPM = 379x248 = 117
8
8. Determine Cooler Pressure Drop
A. See paragraph 7 for 20% by weight Ethylene
Giycol
READ: Pressure Drop Factor = 1.05
B. See curve on page 5 at 117 GPM for LCHACSO,
READ: 9.6 Feet Water Pressure Drop.
C. Cooler Pressure Drop = 9.6 x 1.05 = 10.1 Ft. of
water.
6. An LCHACS0 is suitable.
‘YORK APPLIED SYSTEMS Capacity Ratings
AIR COOLED — 60 Hz
FORM 1502261
iBIENT AIR TE
PERATURE
MODEL orl
Co 7h [Kw [aPM[EER
5
oF
KW)
105
115F
[aPwlcen)
TH Kw[oPMicER|
7A
kw [oPuleeR|
TR
720
[kw [cpaleer|
Ta
TA lKw
(cpu
een
28 | 30] 63 fro4
20| 30| 68 |r16|
31 | 34 | 74 {129}
32| 31 | 77 {24
34| 32| 01 |r29|
35| 92/04 [ra
23
25
28
29
30
32
34
32
a3
3a
a4
34
5689
eee
66 |102]
69 | 106
72108
76 113]
21/32] s0|79
22|a3|s4|a0
2alas] se|as
26|a5| 61 | a9
27\a8]64|03
22/36/67 | 93
18
20
24
22
24
25
3a] 4a ]es
aa] ar|za
as| 51 |72
as| s4|73
az|s7|79
az|s0|a1
16) 3/98/58
18
19
20
22
23
as| 4a }e4
| 35] 46 |e5
| 36] a |67
|a7| sa|rs
as|ss|73
15/34
18/35
18/96
19/97
20/38
21[39
38
38
4a
46
4a
50
53
55
60
62
63
65
43 | 80 | 102| 03
48 | 81 | 100|108
49 | s2|119| 119]
50 | s2|121|115
52| 53 | 126|118
84 | 54 [13:4 {120
39
4a
44
46
48
50.
52
5a
4
ss
56
87.
92/90
e9| ea
108| 98
11.1} 09]
118|103|
120 105|
as|s4|ea|78
37/85) 89/61
40/57) 96/4
42|5a)100| 07
43/59] 104| 38
45|60/108| 90
30
33
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98
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7A
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40 | 158] 149] 978/127]
42 | 168] 15] 999/19.
44 | 175} 152) 420/128]
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48 | 107/154) 449/146
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197/263) 92)
199/376) 95)
CONSULT
FACTORY
Leaving Water Temperature nF.
YORK APPLIED SYSTEMS Capacity Ratings AIRCOOLED — 60Hz
‘AMBIENT AIR TEMPERATURE
MODEL | wr oF oF 1057 SF oF |r
tonac |!" ra [ew [@Pu[ Ea) TA [Kw (GPa eEn) TR] Kw|aPHieER) Ta [Kw loPulEER] Ta [kw GpuieeR| Ta [kw [oPMlEER
4 [212] 200] 00| 127] 101/212] 48.0) 109] 72)220 412] 04 [1s.[2as] ee) 22144207] 4a]. |i98/292)302| 74
42 | 224| 203) 537| 132) 202/215) 484/113] 1821224) 487| 97 |16.3\20:1] 392) 85}15.3123|96.7|7.9|14:|235|309| 72
44 |235| 205] 56.4 | 13.8) 21.2)21.9| 50.9] 11.6|19.2) 229) 46.2|10.1117.2)23.6| 41.2) 87 621240) 38.0| 81 15.3)24.2| 36.7 | 7.6
25) ae | 25| 209|sa0|14.1] 204/222 597) ra.sfan2\209) 484 104) 18.2 242| 497) 90] 17.245] 412]94|102\289)309| 79
48 |esz|at]o17 146] 236|226| 557|29}2r9|247|61.2\106]102\247] as2| 0 |tazizns|eaz/ a7 |iafesa| soo 0s
50 | 250] 21.2|66.4| 152) 240122 50.6) 1a0)208 24.2) 599) 11.2/202/252] 48.4 96 |19.2/250|46.2| 90 |ta1|260] 43.4) 83
40 | 238| 23.¢/ 57.1 | 12.2] 22.0|25.0) 528] 10.6|20.1)26.1| 48.2) 9.2 118.2|27.0| 43.6) 8.1] 17.2/27.4| 41.2)7.5 feslzrelseo| 7.1
42 |250| 237) 600/127] 2a:1]25:) 55.) 11.0]21.1|266) 506] 95 |19.1|27.8) 458, 0.2] 182\280 43.6|7.8)172/284| 41.2) 73,
44 | 26.1| 240) 626) 13.1] 242|2527| 58.1) 11.3}222127-1|533| 98 |20.2\202| 48.4) 8.6]19.2/28.7|46.0|80|182\29.1|406| 75
30 | 46 |274) 242/058) 130] 254/260) 61.0] 11.7/254]27.6)50.1|10.2|213)206| 51.1, 69 |202}e04)4e4]az ieziz08 460 7:7
49 |207|248|689|14.1]256 25.4) 699 12:]285]280)588|1035|228|204|535 0.1]215]s00]51.1/85 2021906 484 7.9
50 |299| 247/71. |145]27.8 267) 667| 125257 284) 61.7/109|235|000| 56.4) 9.4|224|50.7| 3.7/8 [21.9)91.) 51.1) 82
| | |
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35. |
40 |257/ 910] 057/198] 25|90| 700] r20]a09 947) 727|109/279|982|¢62|s:1]262}057/629/ 86 250}57.2\600| 8.1
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182 b6.|409) 627| 77
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ao | * [228/248] 980|s97]a06]ar9/e78]112}229/009/a09|102}25|409]701] as |eo0iess|en7 94 e79/20fen1 7.9
4 |416| 952009] 142]202|379] 10 121f952|400|e44/s06}s2Je10]759| .2fon6424]709 a0 oo esojea7 1
48 | 435] 3527|1044 148] 203] 38.4) 987) 12.6)37.0| 408) 88:8 10:9|33.7|426] 808) 95 |s23]43.4)77.4) 89200 443)739 89
60 |455| 3601099 15.2| 42.1] 38.9|101.1| 13.0]96.9| 41.5] 99.1|11.2[05.5|49.4] 08.1] 98 fsag|eaa}a1a|o2|s29 450)77-4, 36
40 |424| 0 ]1014) 12.7] 389) 424] 9x2] 108}249] 440] ¢24] 94 [anal aso] 729] 8.2|za7|4s4)ea|76 for7/405] 604] 7.1
42 | 447) 405|107.9 132| 40.4] 43.0) 96. 11.3]26.4] 448) 67.4] 07 |32.7|46:3 72.4) 8.5 [205|40,7/73.4|7.9J289.47.1\679| 72
44 | 70 09129 12.0] «24|43.9)019]112}5041458 524] 101fo49]479] qe 07|seaeralr79)e. boteas rea) 78
46 | 40.1] an.7|1173} 14.1] 44.7] 44.4]107.9 12.1]40.4| 487] 9638] 10.4|36.4 48:3 87.4] 9.0 [343148.0 22.4|8.4 f22.4,4055 77.9| 7.9
4g | 51.4] 42.1|1235 148] 47.2|450]113.9 126] 426] 475]102-4 10.538 5 40:3 24 24]96.4/50.2/67.4|87 |o4.1/508 819) 8.1
50
50_|537| 4241294) 15.2] 495 | 45.6|118.8 130] 44.9] 483]107.4 11.2|40.4 50.4 06.8] 96 85 51.2\92.4| 90 3621520969] 89
7 Tearing Water Temperature in.
8 YORK APPLIED SYSTEMS | FORM 150.22.661
Capacity Ratings AIRCOOLED — 50Hz
‘AMBIENT AIR TEMPERATURE
MODEL ar oeF 105 115 120 257
eres (tag i 7
TR | Kw |GeMleeR| Ta | Kw |GPu/EeR| TA KW/GPMlEER| TA | Kw |GPM[EER| TA |KW|GPMIEER| TR |KW|GPM|EER
40 | 23 | 26] 6s |106] 21/27] 56/0s|19/28) 50/a1]16/29/ 43) 65] 14/29) s8|58]|13/30| 26/52
42 | 26 | 26| 68 |120] 22/28] 61/ 04|20/26 54 /83|18|30) 47|72|16|30) 43 |64]14/31| 38/54
44 | 28 | 27/ 74/124] 25 | 29| 66 |103]21/30) 58 /84|19|3.1| 51|74]17|3.1| 46 ]66/ 18/31] 43/62
29/27/77 |120| 26| 29) 69|108/23/31/ 61 |89]20/31/ s4|77|18|31| 48/70|17|32| 46 | 64
a0| 28) a1 |129| 27| 30) 72\104| 24/21/64 | 99/21 |32/ s7|79| 20/32/53 |75|10|33| 48 | 66
6
e
so | a1 | 28] a4 130] 20/30] 76|116]25/32| 67 |94|23/92| 59/86] 21/34) ss |75|19|34| 5067
40
2
38 | 44| t02|104| 35|45/ 92|03/31|47/83|79]27|48/ 73|68|25/49| 67 |61]22| 49) 62/54
41 | 44|100| 112] 87|46/ 09/97/33] 48] 89|83|29| 50| 79| 7027 51|72|54|25| 51/67/59
44 | 44 | 45 118/117] 39| 47 | 106] 100] 56|51] 06) 65/31/51) 5|7s| 20/51/77 /68]27|s2|72| 62
5 | 45 | as | 45| 121/120] 41) a8/ 111/103) 37/81/10] 87/38 |52| 89 |78/30|/s3/ e2/ealzs|s) 74 | 62
48 | 46 | 46) 126/120] 43 | 49| 115]105] 26/52 |104/ a6}as|s/92|79/a2|s4/ a6|71]29/55| 7969
50 | 48 | 47| 121/123] 45 | 50| 120| 102] 40| 53/108/ 91| 37/54) 97 |82/92| 55/91 70/31/56) 84 |o6
40 | 61] 65 | 164]113] 54/68) 146] 05/47/70) 128] 1| 40] 7.1|109/ 68|36) 72/96 ]60|32|77| 26 | 50
42 | 65 | 67 | 175/116] 59 | 721/158) 100] 52/72) 129/ a7]44|7.4) 119 7.1] 40|75) 108/64]25| 75] 94 | 55
44 | 60 | 89| 187/120] 63 | 72|169| 105] 55/75) 149 88|45|7-7 128 75] 43|7.7) 115/67]37|78| 101/57
48 | 72| 70| 195/12] 66 | 73 |177| 108) 58) 76] 186 92) 50) 72| 125] 77| 45|79| 12062|40|a0|108) 60
43 | 76 | 7.1 | 203) 129] 69 | 75 | 19.4|1106.1| 77|163| 95/52) a0|14:| 7a] 47|a.1|127|70] 42] 03|115) 62
so | 78 | 72|21.1 190] 7.1 | 78 | 192/118] 63) 79| 17.1) 96] 85 | 81| 148] 82/50|83|134)72] 45] a4 |120/64
«@ | 78 | 88212] 107] 72] 2) 196) e5]as|06|r78]ex]s8) a7 155] 7a]s0| 0) 142/65 |+0) 99] 00] 50
42] 95 | 91| 228|112|77 | 95| 209] a7]70| 28] 199) 67|63|103|167| 75]56 t02\151/68)s.1 102\107 60
44 | 90 | 92 | 242/11.7] 83) 97 | 223|10.3]7.5 |10.1/ 20.2] 88] 67 |10.4| 17.9) 7.7] 6.0 10.4 16.16.9154 10.5 146) 6.2
. 46 | 94 | 93 | 25.1) 12.1] 86 | 98 | 23.2) 10.5] 7.8 |10.2) 21.0/ 92/69 |10.5) 18.7| 7.9] 6.3| 10.6) 17.0] 7.1] 5.7 /10.7 15.4) 6.4
a | 97 | 95|251/:23) 89] 09 241/108) 81 104/219) 94] 72 [108] 195] 20] ¢7|109 180|74]6:1|s10 189] 67
so |10.1| 96 | 271) 126] 93 |10.1| 250|11.1] 88/108 229) 97|76 [11.0 203] 3] 7.0|11.1| 1920]76]6.4|11.2| 17] 69
«0 | 96/112] 258] 102] a7 [118/206] 88] 7.9]122/213] 78]69| 124] 107] 67] 69|29| 7-0]e3|sa]r26] 156] 55
za | 102| 115] 275| 108] 94 |121|252| 93]85|125]220| 82] 7.5 129] 201| 70] 68 [130] 182\63)6.1|130] 186) 56
44 | 109) 11.2] 292] 11.1] 100| 124) 26] a7] 9.0|129|243) a4] a0|132| 216) 7] 7-1 /12.] 102/64 ]65|139 175| 59
46 | 112| 120] 303/112] 103| 126] 279) o8| 9.4|13.1|25) e6] 84 |128| 225 7.5] 7. {1261204 67 ]69|197/185| 60
4g |117| 122] 315 118] 108|12.8) 290] 10.1] 98 |133]283) 88[ 87 |13.8| 254] 75] 79|139 214 /68]72|140 194| 62
49 | 11] 130] 378) 130]151]14.1]353|11.1]122/15.4] 328] 97 [112] 160) 902] a4
4g | 148] 19.1) 299] 136] 139|143|374/117]128] 154/347, 100/118) 164] 320] a6
44 | 158) 192| 420/142] 147] 144/ 395) 122]135|18.7|565 10.3]126| 167) sa) 9.1 CONSULT
46 | 16.1) 193) 485/145] 15,1] 146] 409] 12.4/14.1]15.8]580) 107|:3.0|169) 95.1| 9.2 FACTORY
4g | 166) 134] 449/149] 157/147] 42| 128]146|15.9]50.3 11.0]13.4/17.1] 263] 9.4
60 |172| 138] 464|15.] 162] 149) 437| 13.1{18.1/16.1]407|11.3]140|17.3] 97.) 9:7|
¥ Tearing Water Temperature nF.
YORK APPLIED SYSTEMS. 9 Capacity Ratings AIRCOOLED — 50Hz
‘AMBIENT AIR TEMPERATURE:
MODEL yp 6 _ rig 105F SF Ta0F Tas
7A | kw /oPt[ EER) TA [KW |/GPM/EER| TA [kw joPuEER| TA [kw opuléen| Tn [kw lopwieeH Ta icw iopuleeR
40 | 10:1 |15.1| 435] 144] 164] 165] 99.3] 12.4) 149]21.4) 35.4] 10713.2| 169) s1.7| a |124]17.0 207] 7|14.9 17.4 28.5] 82
42 |19.1| 152| 4538] 180] 175) 168] 41.6] 20l15.¢\21.9] 97:5|11.2]140] 17.3 236) 97 |13.4|175 91.5] 90] 124] 177) 207] a4
ag |“ |*99|*84| 04] 1861021172107 129] 1651229] 996|11.5|148|177/95.| 100] 129118033.) 0.3|13.1]18./31.5] 7
46 | 21.0] 156] 50.4] 16.1] 19.2|17.5| 460] 198] 17.5227] 416|11.9|156|18.1| 97.5 103] 148] 184 25.4) 9:7]139 18.6 93.4] 90
42 | 220) 152] s29| 168] 202|17.8| 485] 14.4] 12.231] 429| 123] 16.5|:8.5 99.) 107]186|18.8 37.5|104147/19.1|35.2| 02
50 |23.1| 15.9] 55.4| 17.5] 21.2| 18.1| 50.8| 14.9]19.3123.5| 46.2 | 12.8] 17.3] 18.9] 41.6] 11.0] 16.5| 19.2] 99.6|10.4 15.5|19.5)97.3| 9.5
40 |21.1| 190] s07| 134] 105]21.2) 469) 11.7|17.9126.1] 428 10.1]16.1|21.9|38.7| 88|15:|22.9 967/82] 14.4122. 946) 7:7
42 |22.2| 192) 522] 12.8) 20.216) 4.1] 120) 18.9)266| 45.1 |10.1]17.0]22.6| 408] 9.1|16.1[227|307| 8.5] 183]23.1)98.7| 79
44 |232| 195) 557 | 14.3] 21.5 220) 61.6) 124|197/27.1]47:3|108]17.9|229| 430] 9.4] 17-1|20.] 41.0) 8.8] 16.1123.) 98.7| a2
30 | 46 |24a] 196] 50/149] 225 224) 54:1] 128200 275] 498|1.1]109)224| 459) a7 17.9|209 42090] 17.1242} 410/ 8
48 |255, 199) 61.1] 154] 256/207] 580 ere zea) se3|115|198|230 5|100)rea}exa a5a|aa] relate] Leaving Temperature
1“
F.
‘YORK APPLIED SYSTEMS FORM 15022661
Electrical Data AIR COOLED MODELS
sown | vorage | —_fawaasra [ao ra CONDENSER FAN LORDS
wove, ts THAR RORTISED [urns ona | TANOARO UNIT Low ani ONT
vo17s Tyan |uay| ee) suen|_Surron sue | ACH) [Fan on ach] FAN LOAD (8 3-H] FAN LORD (A) 1-PH
PHASE-HZ_ Fuse a |v [HP] WO [RUA LAA] No] HP | ALAT Wo. | Hp ALAT No | HP | ALA
~fofz0t-c0 | 197] 255] 35 | 50 | 60 foe0] 3 [iciPH) 225) oa] t | aa | 48 I 1 [ae] 48
3 | -25) 208/230-3-60] 187 | 253 35 | 90 |240) 3 1 (Pin t43| 74] 4 | a] 4 1 | a4] 48
46] _e0-.80 414] 506] 12 | 15 | 20 |400| 5 |1 anu) 67 | a1] 1 | a4) 2 [tee ete faa 2a
-10}2a0-1-80 | 197| 258] 50 | 80 | 60 240] 3 fr ctria| saa] a2] 1 | aa | 48 ie 1 || 48
8 |-25|zwrza0-2-0] 187] 252] 24 | so | eo |240|75]s apm) 214) tao] 1 | a4) « | a faa] a
48] 60-360 [414] s00| 16 | 25 | 20 |400| 5 |1 crm) 96 | 05] + | a4) 2 La [aa | ea
2a} zowean-so| 187] 259] 4«| 70 | oo | 240] 75] crm) sos rea] + | a4] « | [a [alae
7 -4g|s502-00 |4r4| 506] 26 | 40 | 30 [400] 5 |1 cn) 158) o1| + | a4) 2 1 | ae] 24
88] ssa _517| exo] 10 | a0 | 90500) 75]1 ann] 2a] 70] 1 |a4| se] | || a | a4 | 20
-25}zoeesn--o| 187| 253 62 | 100 |s00) 240] 15x cru] «2s [aor] 2 [a4] «| 1 | a4) «| 1 [aw | a
10)-46} 460-260 414] s06| 2 50 | 60 | 4e0| 151 arn ana s0«] 2 | 3 tia} 2] a faa] zo
-58]srs--00 |517| exa| 22| 40 | 20 |e00| 75]1 crn) 199] a3 | 2 sla lia| + [aa] 20
|-25| 208/290.3-60| 167] 253] 63 | 90 To0| 20) 1s [1] a20] 207) 2 Tt faapals [ofan
42|-46] 480-360 414] so0| 40 00 | o0 | 4e0| 15 car 276] 195] 2 ja faaj eo] [awe
-5afsrs-3-s0 517] ex0| a7 | 00 | o0 jeo0| 15s crm 20.4 108] 2 | | 1 [aa |sal| 1 | ve{ 20
-aeh owen eo) 67255 03 | 160 [100/200] 15 |r 65.6 | 308] 2 papal ata pal ae
20|-46] 460-3-00 414) 506] 48 | 80 | 60 | 480) 15 }1 (PH) 33.3) 154] 2 1] aa) 2) 1 | aa) 24
|-58]575-3-60 | 517| 633} 35 | GO | 60 | 600] 15 }t (aPH)! 24.7 | 135] 2 1 | aval ta] 1 | va} 20
17) 2003-80 | 160] 220| 194] 205 | 200] 240] 25 |i rial oea|si1] 3 | v4] 4 | 2 | aa] a] 4 | aa] aa
}-28]230-3-60 | 187 | 253} 120] 200 | 200) 240| 25 |r (BPH) 842/444) 3 WA) 4 | 2 | WH) 4 | 1 | Ha) AB
25) 46| 600-60 | 414] soe] 62 | 100 | r00| 480| 25 |x aru] a21| 222] 3 | aa] 2 | 2 | a4| 2] 1 | aa] 24
-58]575.0-80 | 517| 639] 49 | 00 | 60 |600| 15 ]1 apH|337| 178] 3 | vel aa| 2 | vs | tal 1 | a4 | 20
417] 2003-60 | 180/220] 170] 250 | 200240] 25 |i capt aiasfa]2|ae) a] 1 laa ae
25} 220-80 | or) 250] 182) 2e0 | 200|240| 25 1 a alasla| 2] a] |ae| ae
30}-46) 480.3-00 | a14| 606] 77 | 125 | 100| 480| 25 1 (3PH] sigs} 2| 2 | a4) 2) 1 | v4) 24
58} 575-60 |817| ex0| 61 | 100 | s00|a00| 90 a|as{ia| 2 fa | sa] 1 [a4] 20
17}200-3-60 | 180| 220] 200| 00 | 200/240 25 }1 capi alfa a] a [aa] a] a [sal as
/-28] 2303-80 | 207) 253] 177| 300 | 200| 240) 25 |1 (3PH| 4ja4) 4] 3 | a4) 4] 1 | ae] 4B
35/46} 460-60 |.414| sos] 9 | 150 | 100) 480) 25 }1 cat alaa}2] a |aa) 2] 1 | aa} 24
-58) 575-3-80 [517/633] 71 | 110 | 100 600] 20 |1 (Pt) 4}aa}ta] a | aa} ta] 4 | ve| 20
-17|200-240 | 180) 220] 208] 400 | 200 240] 25 |1 (oP) afasf a] 3 [aaj a] t [foal as
gal 28|200340 | 207] 283] 209] 250200 200) 25 scar afaa}a} os |aa) a] a | aa) as
-46] 460-3-60 | 414) 508] 106] 175 | 100) 480) 25 |1 (SPH 4 jas) 2) 3 | as) 2) 1 | wa) od
-58} 575-3-00 | 517| 633] 84 | 125 | 100| 600) 30 |1 (aPH9| 494/14) 3 | ae ta] 1 | wa) 20
-17|200-3-60 | 180) 220] 240] 300 | 200 | 240] 25 Jo cara] 3|15|se| 3 | 15 | 66 TT
-28]230-3-60 | 207 | 253} 193| 250 | 200 | 240| 25 }2 (apt) 315/68) 3 | 15 | 68 |
50-46] 450-60 {414 500 100/ 150 | r00| 400) 25 fz cn a|is}sa| a | 15 | 24]
-58]s75-3.60 [517 esa] as | 125 | 00|600| 30 [2 alasler| a [ss [az
NOTE: For 400-850 Hertz uso
460-360 Hertz data
» Single-phase motor. All other fan
motors are three-phase.
‘YORK APPLIED SYSTEMS 15 Electrical Data WATER COOLED MODELS
Tene [__ Powe ure — [toro mane
toes LPO _| tts oc] BE] ARNE [eonrnzsson ono
yours Yama) maxc| ci] ELEML sw size | _(EACH
obea ie | FECT awe [wo mA CR
Paos-oo —frer] a3] ao 0 | 240] a0] 45] Pm] 225] 90
oeyen-saa 87| 2ss| 20 | 0 | 240| 20| 3 fcr 143| 74
so0s40 |%4| sto] 10) 15 | ao|20| 5 {sm 97 | a
ra--00 197] asa] 45] 70 | 240] eo] 3 fr Palas] v2
rowz0-s.0| 187) 253] 28 | 45 | 240| 20| 2 fs carn| ane | 10,
360-360 |414) s06| 14| 20 | 480] a0| 5 [1 ari] 98 | 65,
208/230-3-60] 187 | 253] 30 | €0 | 240] 60 | 75] apn] 30.1 | 189
ssoss0fars| 0s] 21 | | aso] ao) s fr 70] 58) 91
575-3-60 517 | 633] 17 | 25 | 600) 30 | 7.5]1 (3PH)| 124 | 73
owan-saa} 167] 250 sa | | 240 eo] 751 crn at |207
460-3-60 414) 506] 28 | 45 | 480) 30) § ]1 (3PH)] 21.1 | 104
575-3-60 517| 633] 22| 35 | 600} 30 | 7:5]1 (aPH)| 169 | @9
208/240-8-60] 187] 253] 54] 90 | 240] 60 75 ]1 (apn) 420 | 267
soso Jara soe] 37 | 0 | as e0| 15 | crn ars 109
51s.s.00 _str| exo| 20 so | soo so| 751 cr] 2.4) 108
owrn-saq}67| 2a «5 | 150/240] 00) a0 f(a] 608 |208
603.00 Java soo] a2 | ro | as) eo| 15 | cr] a3 154
ss-s.60 _[st7| exa| ae | soo eo| 151 crm] 247105
20360 | 180] 220] 123] 200 | 240| 200] 50 |1 api] 96. [S11
a0-3-00 | rer| 23a 07] 175 24) zoo) sof cr | 44
sc0-3.60 Jars oo] se | 00 | 42 eo) 151 crn] a | 222
srs-3.60 _st7| exo] 42 0 |) eo| 151 crm 9a7| 170
47fewse0 | 1€0| 200} 15 200 | 20] 20) sor ara 256 se
Lzalzsosso | s7| 2531) 205 | 20] 20] sof | 092 sos
30) 46] 460-3-60, 414| 506] 70 | 125 | 480] 100) 25 |1 (SPH)] 54.6 | 253,
58] s75-3-60 517} 633] 56 | 90 | 600) 60 | 15 }1 (3PH)) 43.8 | 202
2003-00 | 120) 22o| ee] ao | ze) 20) sof carnal a7
20-300 |187| as0| s00| ars 24) zoo so crn sas
so-so ars soo] ot | 125/40) 100) 251 crm | 203
55.340 | 17| e2a| os | 10 6) 100) 301 crn 07 | 204
200-3-60, 180] 220 222] 360 | 240] 400| 100] capry|176.2| 741
20-340 167| 250] 193] oo | 24] zo] soft crys] eax
460-3-60_ 414} 806] 97 | 150 | 480) 100) 25 |1 (PH) 78.6 | 320
57-340 _|517| exa| 78 | 125 | eo) 100 201 an 61.3 | a8
NOTE for 400860 Mort uve 460560
Mert data,
16
‘YORK APPLIED SYSTEMS DIMENSIONS
LCHWC 3 THRU 12
WRING 4
ENTRANCE
LHWC 20
THRU 40
FORM 15022661
CONTROL
PANEL @|
A
ee
CONTROL
PANEL |
wana
ENTRANCE,
‘ito fr ube oro 6
MODEL
ucnwe | A B Ren) | os
3 66 on
5 | 65 24
a a 24
10 66 24 Z
12 66 24 7
20 eee
25 | 9 35
oo | _as
oo | 35
0 35
All dimensions are in inches. MPT-Male Pipe Thread; FPT-Female Pipe Thread.
‘YORK APPLIED SYSTEMS
7 DIMENSIONS
wari
ENTRANCE
MOUNTING DETAIL
LCHAC 3 THRU 7
MOUNTING DETAIL
HOLES:
LCHAC 10 THRU 20
MOUNTING DETAIL
wountiwa
HOLES LCHAC 25 & 30,
18 ‘YORK APPLIED SYSTEMS FORM 150.22-661
MOUNTING DETAIL
wine
ENTRANCE Lp K
[| a
c MOUNTING
Le HOLES LCHAC 35 & 40
Ke? MOUNTING DETALL
wiaIne Z
ENTRANCE \
oo
HOLES LCHAC 50
CLEARANCES:
York requires the following clearance
Rear and side to wall: 4 ft. min, (3-20) 8 ft. min. (25-50)
Front to wall 4ft. min, Between Adj. Units: 6 ft. min. (3-20) 12 ft. min, (26-50)
All dimensions are in inches: MPT-Male Pipe Thread
MODEL
tcHac | A 8 c pd | van | k L M
3 came merase |B, 52 1 2a | 14 2 |
— 43 | a7 52 14/2 28 14 4&2
43 a7 52 4412 28 15 42
43 47 52 14/2 47 15 42
3 coral a a7 i 2
47 “4 18 a2
43 48 42 18 at
43 | 48 42 20 at
43 a s | 20 =| at
43 48 55 2a | at
43 48 63 24 4
YORK APPLIED SYSTEMS. 19 Physical Data
AIR COOLED MODELS
Mol .
{MODEL | compressor | (CAPACITY, | conoensenrans | COREY | RETR | _ WEIGHT (LBS.)
LCHAC _|NO.|DISPL.(CFH)| % | NO.|DIA"| TOTAL CFM VOL. (GAL) |R-22 (LBS.)| SHIPPING OPERATING|
a | 474 1000 | 1 | 26] 6870 os | 12 700 | 650
5 | 4 756 1000 | 1 | 26) 6870 oo | 16 800 750
7 [a] 118 100.0 | 1 | 26) 6690 oo | a ‘900 830
to |1| 1604 100.0 | 2 | 26 | 19700 11 | 95 | 1200 | 1400 _
2 || 1974 00,0 | 2|26| 13900 15 40 | 1300 | 1200
20 | 1| 2360 | 100,50,0 | 2 | 26) 12200 20 65 | 1850 | 1700
2s |1| 3179 | 100,500 | 3 | 26) 19900 25 ao | 2260 | 2100
so_|1| 3866 | 100,500 | 3 | 26| 17400 28 93 | s100 | 2900
3s [1 | dace 100,50,0 | 4 | 26 | 23600 35 10s | 9600 | 3400
ao | 1 | 4833 | 100,68,33,0/ 4 | 26 | 21700 50 125 | 4500 | 4300
50 | 2| e040" | 100,75.50,250) 9 | 90 | 98000 70 v4o__| 4700 | 4500
Tatler bath compressors
Water Cooled Models
mM .
wUnbER cme | eeouerin | waren | Waren | Gyee, | WEIGHT 6S) _|
LCHWC _| NO. | DISPL. (CFH) % VOL. (GAL.)| VOL. (GAL) | R-22 (LBS.) | SHIPPING | OPERATING
3 |1 474 100, 0 4 05 10 450 400
5s 1 756 100, 0 14 09 18 550 500
eae pee isis 100, 0 20 1" at 620 560
to | 1| 1604 100, 0 26 14 | 29 750 660
12 [1 | s974 10,0 48 15 36 800 720
20 | 1| 2380 | 100,50,0 67 20 59 1400 1900
25 | 1] 3179 | 100,50,0 78 25 70 1600 | 1500
so | 1 | 3866 | 100,50,0 88 35 85 1750 1600
35 | 1 | 4202 | 100,500 | 104 50 103 1900 1750
ao [1 | 4933 | 100,66,33,0 | 104 50 417 2300 2050
20 YORK APPLIED SYSTEMS Application Data
FORM 150.22-£61
UNIT LOCATION (AIR COOLED)
‘The LCHAC chillers are designed for outdoor installa-
tion, When selecting a site for installation, be guided by
the following conditions:
1. For the outdoor location of the unit, select a place
having a minimum sun exposure and an adequate
supply of fresh ale for the condenser.
2, Avoid locations beneath windows or between struc-
tures where normal operating sounds may be objec-
tionable.
3. Installation site may be either on a roof or on ground
level. (See FOUNDATION).
4, The condenser fans are propeller type and are not
suitable, nor intended for use with ductwork in the
condenser air stream.
CLEARANCES
The units must be installed with sufficient clearances for
airentrance tothe condenser coil, forair discharge away
from the condenser, and for servicing access,
In installations where winter operation Is intended and
snow accumulations are expected, additional height
must be provided to insure normal condenser alr flow.
Minimum clearances forall units are shown on paget9.
FOUNDATION
‘The unit should be mounted on a fiat and level founda-
tion, ground or roof, capable of supporting the entire
operating weight of the equipment. Operating weights
are given in the PHYSICAL DATA table.
Roof Locations ~ Choose a spot with adequate struc-
tural strength to safely support the entire weight of the
Unit and service personnel. Care must be taken not 10
damage the root during installation. If the roof is
bonded”, consult the building contractor or architect for
special installation requirements. Roof installations
should incorporate the use of spring type isolators to
minimize the transmission of vibration into the building
structure. They should be supported at a minimum of
eight locations,
Ground Level Locations — itis important that the units
be installed on a substantial base that will not sette,
causing strain onthe liquid lines and resulting in possible
leaks. A one-piece concrete slab with footers extended
below the frostline is highly recommended. Additionally,
the slab should not be tied to the main building founda-
tion as noises will telegraph.
Mounting holes (1-1/16" dia.) are provided in the steel
channelfor bolting the unitto its foundation. See DIMEN-
SIONS DATA for location of the mounting holes.
For ground level installations, precautions should be
taken to protect the unit from tampering by or injury to
tunauthorized persons. Screws on access panels will
prevent casual tampering, however, further safety
precautions such as a fenced-in enclosure or locking
devices on the panels may be advisable, Check local
authorities for safety regulations.
YORK APPLIED SYSTEMS.
UNIT LOCATION (WATER COOLED)
Chillers may be placed onthe ground floor or upper floor
of the building. The floor must be level and capable of
supporting 150% of the operating weight of the unit
Units should be located away from noise-critical areas,
Service clearance must be allowed and include space
for removing cooler or condenser tubes. A doorway or
‘window can sometimes provide space for tube removal
Units should be installed indoors where they are not
exposed to rain or water splash. Chillers should be
located near a drain. Tho use of chillers in corrosive,
dusty or explosive atmospheres should be avoided un-
less the unit is property protected. A unit located in a
clean room will run best, require least maintenance, and
last longest. Heat or ventilation may be requited to
maintain the ambient between 40° and 115°F.
UNIT ISOLATION
The chiller foundation must be rigid to reduce vibration
transmission to a minimum. All upper story installations
should use vibration isolators under the unit base. To
‘maintain isolator efficiency, no mechanical ties should
be made to the building, Property selected flexible con-
nectors and piping isolators are recommended. All the
above recommendations wil help to reduce vibration
transmission and result in a quieter installation.
CHILLED LIQUID PIPING
The chilled liquid piping system should be laid out so
that the circulating pump discharges into the cooler. The
inlet and outlet cooler liquid connections are given in
DIMENSION DATA.
Hand stop valves are recommended for use in all lines
to facilitate servicing. Drain connections should be
provided at all low points to permit complete drainage
of the cooler and system piping. Additionally, a strainer
(40 mesh) is recommended for use on the INLET line to
the cooler.
Pressure gauge connections are recommended for in-
stallation in the inlet and outlet water lines. Gauges are
not furnished with the unit, and are to be furnished by
other suppliers
The chilled liquid lines that are exposed to outdoor
_ambients should be wrapped witha supplemental heater
cable and insulated or ethylene glycol added to protect
against freeze-up during low ambient periods,
‘A flow switch is available as an accessory on all units.
The flow switch (or its equivalent) must be installed in
the leaving water piping of the cooler.
FIELD WIRING
All field wiring must comply with the National Electrical
Code and all applicable local codes. YORK liquid chiller
units are factory wired for optimum reliability. Therefore
the unit controls must not be modified without ex-
pressed written consent by YORK. The use of a simple
‘switch or timer from a remote point is permitted; but it
‘must be connected to the YORK unit panel at points ex-
pressly indicated for that purpose.
a1 Guide Specifications
Furnish and install where indicated on plans, YORK Model LCHAC (LCHWC) Packaged Liquid
Chillers). The (each) unt shall have a cooling capacity of. tons with ‘compressor KW when cooling
‘gpm of water from °F to °F and a cooler fouling factor of 0.00025. The water pressure