LH and GH/GL Series

UNIT COOLERS

Technical Bulletin: LHGH_002_120616

Products that provide lasting solutions.

LH and GH/GL SERIES UNIT COOLERS
Specifications subject to change without notice.
 LH Series Unit Coolers

Dual Discharge – Low Hite Series

At 9 1/4” maximum height, the LH Series is perfect for low clearance walk-in applications in convenience stores,
restaurants, food service or wherever more useable storage space is needed in DRY spaces -20˚F and up.

Standard Features Optional Features and Accessories

n C
 ompact design with flush ceiling mount takes up less n P
 SC fan motors.
space, allows more product to be stored on the shelf.
n T
 EV (Thermostatic Expansion Valve) shipped loose
n EC motors are standard for 115/1 and 230/1. or factory mounted.
n T
 wo-way air discharge provides smooth air movement, n L
 LSV (Liquid Line Solenoid Valve) loose.
keeps product fresh longer with less drying and
n S
 LHX (Suction Liquid Heat Exchanger) loose.
weight loss.
n H
 igh efficiency coil with staggered copper tubes for ­Defrost Methods
optimum heat transfer and proper system balance. n A
 ir or Off-Cycle for rooms above +34˚F.
n These coils can be used for fluid and CO2 circuiting. n E
 lectric for rooms -20˚F and above.
n A
 ll controls are factory wired to a terminal strip for
easy installation. Specify When Ordering All Models
n C
 omplete model number.
n R
 efrigerant R404A, R507, R407A, R407C, R407F,
and R448A/R449A.
n R
 oom temperature.
n O
 ptional features.
n S
 aturated suction temperature.
n O
 ptional accessories.

Dimensional Data

LH and GH/GL SERIES UNIT COOLERS 1

Specifications subject to change without notice.
LH Series Unit Coolers

Model Key

LH 2 6 E - 86 - E A A

Unit Type
Heater Voltage
LH = Low Hite
A = 208-230/1/60
Number of Fans

Fin Spacing Motor Voltage

4 FPI A = 208-230/1/60
6 FPI B = 115/1/60

Type of Defrost
Motor Type
A = Air Defrost
B = Brine Air Defrost B = PSC Motors (Optional)
E = Electric with Electric Pan E = EC Motors (Standard)
J = Brine with Electric Defrost Coil and Pan

BTU/h in Hundreds (00)

2 LH and GH/GL SERIES UNIT COOLERS

Specifications subject to change without notice.
 LH Series Unit Coolers

Defrost Standard Specifications

AIR DEFROST
CAP. AIR CHARGE EC MOTORS STANDARD PSC MOTORS OPTIONAL SHIPPING
FLOW LBS OF 115/1/60 230/1/60 115/1/60 230/1/60 DIMENSIONS (IN)
(BTUH) WGT.
MODEL @ 10°F TD (CFM) REFRIG AMPS WATTS AMPS WATTS AMPS WATTS AMPS WATTS L W H (LBS)
6 Fins per Inch
LH16A-47 4,700 650 2 0.9 50 0.5 48 0.6 71 0.3 66 32.88 26.06 9.25 42
LH26A-94 9,400 1,300 3 1.8 100 1.0 96 1.2 142 0.6 132 54.88 26.06 9.25 70
LH36A-140 14,000 1,950 4 2.7 150 1.5 144 1.8 213 0.9 198 76.88 26.06 9.25 123
LH46A-187 18,700 2,600 5 3.6 200 2.0 192 2.4 284 1.2 264 98.88 26.06 9.25 164
4 Fins per Inch
LH14A-36 3,600 680 2 0.9 50 0.5 48 0.6 71 0.3 66 32.88 26.06 9.25 38
LH24A-73 7,300 1,370 3 1.8 100 1.0 96 1.2 142 0.6 132 54.88 26.06 9.25 64
LH34A-109 10,900 2,050 4 2.7 150 1.5 144 1.8 213 0.9 198 76.88 26.06 9.25 105
LH44A-145 14,500 2,730 5 3.6 200 2.0 192 2.4 284 1.2 264 98.88 26.06 9.25 146

ELECTRIC DEFROST
CAP. (BTUH) EC MOTORS STANDARD PSC MOTORS OPTIONAL
@ 10°F TD AIR CHARGE SHIPPING
FLOW LBS OF 115/1/60 230/1/60 115/1/60 230/1/60 DIMENSIONS (IN)
-20° +20° WGT.
MODEL SST SST (CFM) REFRIG AMPS WATTS AMPS WATTS AMPS WATTS AMPS WATTS L W H (LBS)
6 Fins per Inch
LH16E-43 4,300 4,700 650 2 0.9 49 0.5 49 0.6 71 0.3 66 32.88 26.06 9.25 44
LH26E-86 8,600 9,400 1,300 3 1.8 98 1.0 97 1.2 142 0.6 132 54.88 26.06 9.25 73
LH36E-129 12,900 14,000 1,950 4 2.7 147 1.5 146 1.8 213 0.9 198 76.88 26.06 9.25 127
LH46E-171 17,100 18,700 2,600 5 3.6 196 2.0 194 2.4 284 1.2 264 98.88 26.06 9.25 169
4 Fins per Inch
LH14E-33 3,300 3,600 680 2 0.9 49 0.5 49 0.6 78 0.3 66 32.88 26.06 9.25 40
LH24E-67 6,700 7,300 1,370 3 1.8 98 1.0 97 1.2 156 0.6 132 54.88 26.06 9.25 67
LH34E-100 10,000 10,900 2,050 4 2.7 147 1.5 146 1.8 234 0.9 198 76.88 26.06 9.25 109
LH44E-132 13,200 14,500 2,730 5 3.6 196 2.0 194 2.4 312 1.2 264 98.88 26.06 9.25 150

ELECTRIC DEFROST HEATER DATA *Note: Refer to Air Defrost chart above for Electric Defrost dimensions.
LOW TEMPERATURE

MODEL AMPS
230/1/60
WATTS
Wiring Diagrams
1 Fan
043, 033 7.2 1500 Air Defrost Electric Defrost Motor
2 Fan Motor Wiring and Defrost Control Wiring
086, 067 12.0 2500
3 Fan
129, 100 16.8 3500
4 Fan
171, 132 21.6 4500
L L L L L L L L
N H NF HX F B XS B P S 7 P 4 7 8 4 8 1 2 1 2
1 2 1 2

COIL COIL
HEATERS
HEATERS

LH and GH/GL SERIES UNIT COOLERS 3

Specifications subject to change without notice.
GH/GL Series Unit Coolers

Standard Features
Ideal for medium temperature low air circulation applications in spaces above +20˚F.

Standard Features Optional Features

n Ten inch diameter aluminum fans, direct driven at 1550 n Insulated drain pan construction.
RPM, blow air uniformly through twin coils creating a
n Copper fins.
low velocity “umbrella” air distribution.
n Epoxy coating of entire tube and fin surface.
n EC motors are standard for 115/1 and 230/1.
n Coils circuited for water or glycol fluids.
n Low and high silhouette models may be installed level
and tight to ceiling. Hanger rods and TEV are internal n PSC fan motors.
resulting in a clean appearance.
Optional Accessories
n High efficiency coils, four rows deep with 3/8” diameter
staggered copper tubes are mechanically expanded n T
 EV (Thermostatic Expansion Valve) shipped loose
into corrugated aluminum fins spaced by tube collars. or factory mounted.
Direct expansion circuiting for halocarbon refrigerants n LLSV (Liquid Line Solenoid Valve) loose.
is standard.
n S
 LHX (Suction Liquid Heat Exchanger) loose
n Serviceable, textured aluminum housing features or mounted.
hinged orifice drain pan, pitched to drain condensate
at end of unit. n Washable Air Inlet Filters (Air Defrost only).

n Low sound levels range from 53 decibels generated ­Defrost Methods

by one fan units to 60 decibels for six fan units, as
measured on the “A” scale, six feet horizontally from n AIR or OFF-CYCLE for rooms above +34˚F.
the center of the unit. n E
 LECTRIC for rooms +20˚F and above (coil only – not
n These coils can be used for fluid and CO2 circuiting. available with vinyl coated fins or epoxy coated coil)

n C
 apacity ratings are sensible heat removal with n GAS (KG-2 pipe) or (HG-3 pipe) for rooms above +32˚F.
externally equalized TEV fed medium frosted coil. n G
 AS (KGE or HGE) with electric drain pan booster
heat for rooms +20˚ to +32˚F.

Specify When Ordering All Models

n Complete model number.
n Refrigerant.
n Room temperature.
n Optional features.
n Saturated suction temperature.
n Optional accessories.

4 LH and GH/GL SERIES UNIT COOLERS

Specifications subject to change without notice.
 GH/GL Series Unit Coolers

Model Key

GL 2 6 D - 90 - E A K

Unit Type
Heater Voltage
GH & GL = Gentle Air
A = 208-230/1/60
Number of Fans B = 115/1/60
K = 208-230/3/60

Fin Spacing
Motor Voltage
4 FPI
6 FPI A = 208-230/1/60
B = 115/1/60
Type of Defrost

A = Air Defrost Motor Type

B = Brine with Air Defrost B = PSC Motors (Optional)
C = Brine with Electrical Defrost Coil E = EC Motors (Standard)
D = Electric with No Pan Heat
F = 3 Pipe Hot Gas with No Pan Heat
H = 3 Pipe Hot Gas with Electric Drain Pan
M = 2 Pipe Kool Gas with No Pan Heat
P = 2 Pipe Kool Gas with Electric Drain Pan

BTU/h in Hundreds (00)

LH and GH/GL SERIES UNIT COOLERS 5

Specifications subject to change without notice.
GH/GL Series Unit Coolers

Air Defrost Specifications

GENTLE AIR - 18" HIGH SILHOUETTE - MEDIUM TEMPERATURE

EC MOTORS STANDARD PSC MOTORS OPTIONAL
CAPACITY AIR CHARGE DIMENSIONS (IN) SHIPPING
(BTUH) FLOW LBS OF 115/1/60 230/1/60 115/1/60 230/1/60 WGT.
MODEL @ 10°F TD (CFM) R404A AMPS WATTS AMPS WATTS AMPS WATTS AMPS WATTS L W H (LBS)
6 Fins per Inch
GH16A-60 6,000 900 3 0.8 52 0.5 48 0.6 67 0.3 66 31.75 28.75 18.25 130
GH26A-130 13,000 1,800 4 1.6 104 1.0 96 1.2 134 0.6 132 49.75 28.75 18.25 180
GH36A-198 19,800 2,700 6 2.4 156 1.5 144 1.8 201 0.9 198 67.75 28.75 18.25 240
GH46A-270 27,000 3,600 8 3.2 208 2.0 192 2.4 268 1.2 264 85.75 28.75 18.25 320
GH56A-340 34,000 4,500 9 4.0 260 2.5 240 3.0 335 1.5 330 103.75 28.75 18.25 370
GH66A-410 41,000 5,400 11 4.8 312 3.0 288 3.6 402 1.8 396 121.75 28.75 18.25 420
4 Fins per Inch
GH14A-50 5,000 940 3 0.8 52 0.5 48 0.6 67 0.3 66 31.75 28.75 18.25 120
GH24A-100 10,000 1,880 4 1.6 104 1.0 96 1.2 134 0.6 132 49.75 28.75 18.25 170
GH34A-150 15,000 2,820 6 2.4 156 1.5 144 1.8 201 0.9 198 67.75 28.75 18.25 230
GH44A-200 20,000 3,760 8 3.2 208 2.0 192 2.4 268 1.2 264 85.75 28.75 18.25 310
GH54A-250 25,000 4,700 9 4.0 260 2.5 240 3.0 335 1.5 330 103.75 28.75 18.25 360
GH64A-300 30,000 5,640 11 4.8 312 3.0 288 3.6 402 1.8 396 121.75 28.75 18.25 410

GENTLE AIR - 12" LOW SILHOUETTE - MEDIUM TEMPERATURE

CAPACITY AIR CHARGE EC MOTORS STANDARD PSC MOTORS OPTIONAL SHIPPING
115/1/60 230/1/60 115/1/60 230/1/60 DIMENSIONS (IN)
(BTUH) FLOW LBS OF WGT.
MODEL @ 10°F TD (CFM) R404A AMPS WATTS AMPS WATTS AMPS WATTS AMPS WATTS L W H (LBS)
6 Fins per Inch
GL16A-45 4,500 600 2 0.3 18 0.2 19 0.6 43 0.3 41 31.75 28.75 12.25 100
GL26A-90 9,000 1,200 3 0.6 36 0.4 38 1.2 86 0.6 82 49.75 28.75 12.25 140
GL36A-135 13,500 1,800 4 0.9 54 0.6 57 1.8 129 0.9 123 67.75 28.75 12.25 190
GL46A-180 18,000 2,400 5 1.2 72 0.8 76 2.4 172 1.2 164 85.75 28.75 12.25 250
GL56A-225 22,500 3,000 5 1.5 90 1.0 95 3.0 215 1.5 205 103.75 28.75 12.25 290
GL66A-268 26,800 3,600 6 1.8 108 1.2 114 3.6 258 1.8 246 121.75 28.75 12.25 340
4 Fins per Inch
GL14A-35 3,500 630 2 0.3 18 0.2 19 0.6 43 0.3 41 31.75 28.75 12.25 90
GL24A-70 7,000 1,260 3 0.6 36 0.4 38 1.2 86 0.6 82 49.75 28.75 12.25 130
GL34A-105 10,500 1,890 4 0.9 54 0.6 57 1.8 129 0.9 123 67.75 28.75 12.25 180
GL44A-140 14,000 2,520 5 1.2 72 0.8 76 2.4 172 1.2 164 85.75 28.75 12.25 240
GL54A-175 17,500 3,150 5 1.5 90 1.0 95 3.0 215 1.5 205 103.75 28.75 12.25 280
GL64A-210 21,000 3,780 6 1.8 108 1.2 114 3.6 258 1.8 246 121.75 28.75 12.25 330

Derate 12% for PSC motors used for 50 Hertz (BTUH x .088) or increase TD to compensate for lower fan RPM.

6 LH and GH/GL SERIES UNIT COOLERS

Specifications subject to change without notice.
 GH/GL Series Unit Coolers

Electric Defrost Specifications

GENTLE AIR - 18" HIGH SILHOUETTE - MEDIUM TEMPERATURE

CAPACITY AIR CHARGE EC MOTORS STANDARD PSC MOTORS OPTIONAL SHIPPING
DIMENSIONS (IN)
(BTUH) FLOW LBS OF 115/1/60 230/1/60 115/1/60 230/1/60 WGT.
MODEL @ 10°F TD (CFM) R404A AMPS WATTS AMPS WATTS AMPS WATTS AMPS WATTS L W H (LBS)
6 Fins per Inch
GH16D-60 6,000 900 3 0.8 52 0.5 48 0.6 67 0.3 66 31.75 28.75 18.25 130
GH26D-130 13,000 1,800 4 1.6 104 1.0 96 1.2 134 0.6 132 49.75 28.75 18.25 180
GH36D-198 19,800 2,700 6 2.4 156 1.5 144 1.8 201 0.9 198 67.75 28.75 18.25 240
GH46D-270 27,000 3,600 8 3.2 208 2.0 192 2.4 268 1.2 264 85.75 28.75 18.25 320
GH56D-340 34,000 4,500 9 4.0 260 2.5 240 3.0 335 1.5 330 103.75 28.75 18.25 370
GH66D-410 41,000 5,400 11 4.8 312 3.0 288 3.6 402 1.8 396 121.75 28.75 18.25 420
4 Fins per Inch
GH14D-50 5,000 940 3 0.8 52 0.5 48 0.6 67 0.3 66 31.75 28.75 18.25 120
GH24D-100 10,000 1,880 4 1.6 104 1.0 96 1.2 134 0.6 132 49.75 28.75 18.25 170
GH34D-150 15,000 2,820 6 2.4 156 1.5 144 1.8 201 0.9 198 67.75 28.75 18.25 230
GH44D-200 20,000 3,760 8 3.2 208 2.0 192 2.4 268 1.2 264 85.75 28.75 18.25 310
GH54D-250 25,000 4,700 9 4.0 260 2.5 240 3.0 335 1.5 330 103.75 28.75 18.25 360
GH64D-300 30,000 5,640 11 4.8 312 3.0 288 3.6 402 1.8 396 121.75 28.75 18.25 410

GENTLE AIR - 12" LOW SILHOUETTE - MEDIUM TEMPERATURE

CAPACITY AIR CHARGE EC MOTORS STANDARD PSC MOTORS OPTIONAL SHIPPING
115/1/60 230/1/60 115/1/60 230/1/60 DIMENSIONS (IN)
(BTUH) FLOW LBS OF WGT.
MODEL @ 10°F TD (CFM) R404A AMPS WATTS AMPS WATTS AMPS WATTS AMPS WATTS L W H (LBS)
6 Fins per Inch
GL16D-45 4,500 600 2 0.3 18 0.2 19 0.6 43 0.3 41 31.75 28.75 12.25 100
GL26D-90 9,000 1,200 3 0.6 36 0.4 38 1.2 86 0.6 82 49.75 28.75 12.25 140
GL36D-135 13,500 1,800 4 0.9 54 0.6 57 1.8 129 0.9 123 67.75 28.75 12.25 190
GL46D-180 18,000 2,400 5 1.2 72 0.8 76 2.4 172 1.2 164 85.75 28.75 12.25 250
GL56D-225 22,500 3,000 5 1.5 90 1.0 95 3.0 215 1.5 205 103.75 28.75 12.25 290
GL66D-268 26,800 3,600 6 1.8 108 1.2 114 3.6 258 1.8 246 121.75 28.75 12.25 340
4 Fins per Inch
GL14D-35 3,500 630 2 0.3 18 0.2 19 0.6 43 0.3 41 31.75 28.75 12.25 90
GL24D-70 7,000 1,260 3 0.6 36 0.4 38 1.2 86 0.6 82 49.75 28.75 12.25 130
GL34D-105 10,500 1,890 4 0.9 54 0.6 57 1.8 129 0.9 123 67.75 28.75 12.25 180
GL44D-140 14,000 2,520 5 1.2 72 0.8 76 2.4 172 1.2 164 85.75 28.75 12.25 240
GL54D-175 17,500 3,150 5 1.5 90 1.0 95 3.0 215 1.5 205 103.75 28.75 12.25 280
GL64D-210 21,000 3,780 6 1.8 108 1.2 114 3.6 258 1.8 246 121.75 28.75 12.25 330

Derate 12% for PSC motors used for 50 Hertz (BTUH x .088) or increase TD to compensate for lower fan RPM.

LH and GH/GL SERIES UNIT COOLERS 7

Specifications subject to change without notice.
GH/GL Series Unit Coolers

Electric Defrost Heater Data

GH LOW TEMPERATURE GL LOW TEMPERATURE

230/1/60 230/3/60 230/1/60 230/3/60
MODEL AMPS WATTS AMPS WATTS MODEL AMPS WATTS AMPS WATTS
1 Fan 1 Fan
060, 050 7.0 1600 4.6 1600 045, 035 3.5 800 3.0 800
2 Fan 2 Fan
130, 100 13.9 3200 9.2 3200 090, 070 7.0 1600 6.0 1600
3 Fan 3 Fan
198, 150 20.9 4800 13.8 4800 135, 105 10.4 2400 9.0 2400
4 Fan 4 Fan
270, 200 27.8 6400 18.4 6400 180, 140 13.9 3200 12.0 3200
5 Fan 5 Fan
340, 250 34.8 8000 23.0 8000 225, 175 17.4 4000 15.1 4000
6 Fan 6 Fan
410, 300 41.7 9600 27.6 9600 268, 210 20.9 4800 18.1 4800

Hot Gas Defrost Drain Pan Heater Data

GH LOW TEMPERATURE
115/1/60 230/1/60
MODEL AMPS WATTS AMPS WATTS
1 Fan
060, 050 3.5 400 1.7 400
2 Fan
130, 100 5.2 600 2.6 600
3 Fan
198, 150 7.0 800 3.5 800
4 Fan
270, 200 8.7 1000 4.3 1000
5 Fan
340, 250 10.4 1200 5.2 1200
6 Fan
410, 300 12.2 1400 6.1 1400

GL LOW TEMPERATURE
115/1/60 230/1/60
MODEL AMPS WATTS AMPS WATTS
1 Fan
045, 035 3.5 400 1.7 400
2 Fan
090, 070 5.2 600 2.6 600
3 Fan
135, 105 7.0 800 3.5 800
4 Fan
180, 140 8.7 1000 4.3 1000
5 Fan
225, 175 10.4 1200 5.2 1200
6 Fan
268, 210 12.2 1400 6.1 1400

8 LH and GH/GL SERIES UNIT COOLERS

Specifications subject to change without notice.
 GH/GL Series Unit Coolers

Dimensional Data

UNIT DIMENSIONS
SIZE A B C D E F
GH-1 FAN 31.75 16.50 18.25 17.38 16.00 -
GH-2 FAN 49.75 16.50 18.25 17.38 34.00 -
GH-3 FAN 67.75 16.50 18.25 17.38 52.00 -
GH-4 FAN 85.75 16.50 18.28 17.38 36.00 34.00
GH-5 FAN 103.75 16.50 18.25 17.38 - -
GH-6 FAN 121.75 16.50 18.25 17.38 54.00 52.00

GL-1 FAN 31.75 10.50 12.25 11.38 16.00 -

GL-2 FAN 49.75 10.50 12.25 11.38 34.00 -
GL-3 FAN 67.75 10.50 12.25 11.38 52.00 -
GL-4 FAN 85.75 10.50 12.25 11.38 36.00 34.00
GL-5 FAN 103.75 10.50 12.25 11.38 - -
GL-6 FAN 121.75 10.50 12.25 11.38 54.00 52.00
Note: Dimensions in inches.

Wiring Diagrams
Electric Defrost Motor Electric Defrost
and Defrost Control Wiring Heater Wiring

L L L L L L L
N H F X B S P 7 4 8 1 2 1 2 3
1 2

L L L L L L L
N H F X B S P 7 4 8 1 2 1 2 3
1 2

GL MODEL GL MODEL
4-HEATERS 4-HEATERS

GL MODEL GL MODEL
4-HEATERS 4-HEATERS

GH MODEL GH MODEL
8-HEATERS 8-HEATERS

GH MODEL GH MODEL
8-HEATERS 8-HEATERS

Air Defrost
Motor Wiring

L L N H F X B S P
1 2

LH and GH/GL SERIES UNIT COOLERS 9

Specifications subject to change without notice.
 Use your QR reader to
reference current document
version on www.krack.com.

Krack, a Hussmann Corporation brand

890 Remington Boulevard
Bolingbrook, Illinois 60440
Ph: 630.629.7500

www.krack.com

Printed in U.S.A. ©2016 Krack. a Hussmann Corporation brand LHGH_002_120616