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Screw Water Cooled Chiller Maintenance Report: Set Points: C None None None

The monthly maintenance report for Chiller 02 at the Sheraton Hotel was completed on March 17, 2017. The technician checked 12 items including the micro-computer controls, voltages, temperatures, electrical components, noises, seals, oil levels, and for any leaks. All items checked out properly. Operating parameters like current, temperatures, and run times were also recorded. The chiller was found to be running normally with no issues.

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Nha Trang
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134 views2 pages

Screw Water Cooled Chiller Maintenance Report: Set Points: C None None None

The monthly maintenance report for Chiller 02 at the Sheraton Hotel was completed on March 17, 2017. The technician checked 12 items including the micro-computer controls, voltages, temperatures, electrical components, noises, seals, oil levels, and for any leaks. All items checked out properly. Operating parameters like current, temperatures, and run times were also recorded. The chiller was found to be running normally with no issues.

Uploaded by

Nha Trang
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOC, PDF, TXT or read online on Scribd
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SCREW WATER COOLED CHILLER MAINTENANCE REPORT

Job Name: SHERATON HOTEL


Chiller Model:YS DA CA S3 5 CH C Serial No BMEMO-13857
Chiller No: 02
Requirement: MONTHLY MAINTENANCE Date: March/ 17/ 2017

Check Item Yes No Remark


No
1 Check Micro-computer control center √
2 Check control voltage within operational limitation √
3 Check the compressor motor and amperage at starter panel √
4 Check motor temperature √
5 Inspect and tighten all the electrical components √
6 Check abnormal noise and vibration √
7 Check all seal, gasket, and sight glass condition √
8 Check oil heater, compressor oil color and oil level √
9 Check any refrigerant and oil leakage √
10 Check for water leakage at water piping vales and fittings √
11 Check for condition of temperature and pressure gauges readings √
12 Clean outside of chiller, electrical panel and control panel √
Set points:
Chiller liquid temp: 7.0OC Daily schedule None
% current limit: 90 % Holiday None
Pulldown demand limit: 70 % Remote set point None
Pulldown Demand Time: 02 minutes
Full load Amps 345 A
Voltage Range 380 V
Reading
ﾤ YORK SYSTEM 2 UPDATE
c1990 YORK INTERNATIONAL CORP. VERSION S.01F.19
TODAY IS THU 4:39PM 03/16/17
CHILLED LEAVING = 7.2~C; RETURN = 8.6~C
EVAP = 498.6 KPaG; COND = 1247.5 KPaG
DIFF OIL = 728.9KPaD; DIFF FLTR = 20.0KPaD
NO OPTIONS INSTALLED
SOLID STATE STARTER NOT INSTALLED
HANOI OFFICE : Unit 105 Hanoi Tung Shing Square, 2 Ngo Quyen St, Hoan Kiem Dist., HN. Tel : 04-3926 4730 Fax : 04-3926 4729

HCMC OFFICE : 719 Tran Hung Dao St, Dist. 5, HCMC. Tel : 08-3838 0882 Fax : 08-3838 0892

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COND LEAVING = 32.3~C; RETURN = 29.0~C
MOTOR CURRENT = 66% FLA; SLIDE VALVE = 59%
OPER. HOURS =12403; START COUNTER = 946
LEAVING SETP = 7.2~C RESTART = + 0~C
CURRENT LIMIT = 90% FLA
SETPOINT = 10MIN @ 70%FLA, 0 MIN LEFT
DIFF OIL = 715.8KPaD; DIFF FLTR = 33.1KPaD
REMOTE TEMP SETPOINT RANGE = 11.1~C
SAT TEMPS EVAP = 5.7~C, COND = 34.4~C
DISCHARGE TEMP = 57.2~C, OIL TEMP = 34.6~C
OIL = 1240.0KPaG; FILTER = 1244.8KPaG
SUN START = 00:00AM, STOP = 00:00AM
MON START = 00:00AM, STOP = 00:00AM
TUE START = 00:00AM, STOP = 00:00AM
WED START = 00:00AM, STOP = 00:00AM
THU START = 00:00AM, STOP = 00:00AM
FRI START = 00:00AM, STOP = 00:00AM
SAT START = 00:00AM, STOP = 00:00AM
HOL START = 00:00AM, STOP = 00:00AM
COMP MOTOR STARTER - ON
SLIDE VALVE UNLOAD - OFF
REMOTE MODE READY TOSTART RELAY- OFF
FREEZE WARNING RELAY - OFF
OIL LINE SOL - ON
CHILLED WATER PUMP - ON
CONDENSER WATER PUMP - ON
SYSTEM RUN - LEAVING TEMP CONTROL
SAFETY SHUTDOWN RELAY - OFF
CYCLING SHUTDOWN RELAY – OFF
Serviceman’s remark:
…………………………………………………………………………………………………………………
…………………………………………………………………………………………………………………
…………………………………………………………………………………………………………………
…………………………………………………………………………………………………………………

Customer’s signature AZ’s signature

Date....................................... Date.....................................

HANOI OFFICE : Unit 105 Hanoi Tung Shing Square, 2 Ngo Quyen St, Hoan Kiem Dist., HN. Tel : 04-3926 4730 Fax : 04-3926 4729

HCMC OFFICE : 719 Tran Hung Dao St, Dist. 5, HCMC. Tel : 08-3838 0882 Fax : 08-3838 0892

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