84
IMM AGS-2
Periodic Maintenance Log
Date of inspection:
Address:
Facility/job name:
City/State:
Unit model number:
Physical location of unit:
Unit serial number:
Service technical (name):
Software identification:
Operating hours:
Compressor #1
Compressor #2
Number of starts
Compressor #1
Compressor #2
Follow up service required:
Yes
No
General Actions to be Taken
Upper part of report completed:
Yes
No
Fill in above
Compressor operation:
Yes
No
Explain all “No” checks
1.
Mechanical operation acceptable (noise, vibration, etc.)?
2.
Look at cycling and cooling, is unit controlling at set points?
3.
No refrigerant leaks (full liquid sight glass)?
4.
Liquid line moisture indicator shows dry system?
5.
Proper condensing fan operation?
6.
Condenser coil clean?
7.
No corrosion or paint problems?
Compressor electrical operation:
8.
Satisfactory electrical operation?
9.
MicroTech II hardware operation satisfactory?
10.
MicroTech II software operation satisfactory?
Data from MicroTech II Controller:
11.
Unit status
%
12.
Circuit status 1 % Capacity
Circuit status 2 % Capacity
13.
Water temperature – Evaporator:
Entering/Leaving /
Circuit #1
Circuit #2
14.
No. of fan states active:
15.
Evaporator pressure:
16.
Condenser pressure:
17.
EXV position – Steps open or percent open:
18.
Superheat:
19.
Subcooling:
20.
Liquid line temperature:
21.
Outside air temperature:
22.
Leaving evaporator setpoint temperature:
23.
Reset option programmed?
Yes
No
Ice storage unit?
Yes
No
24.
Is VFD included?
Yes
No
VFD operation OK?
Yes
No
25.
Current alarm: ___ ___ ___
Circuit #1 ______
Circuit #2 ______
26.
Previous alarm – Show all:
Alarm Type
Date
Circuit #1
Circuit #2
27.
Compressor starts See note 1
Circuit #1
_________________
Circuit #2
_________________
28.
Compressor run hours
Circuit #1
_________________
Circuit #2
_________________
Data at Job Site:
29.
Volts:
L1_____ L2_____ L3_____
30.
Amps: Comp #1 Ph 1____ PH 2____ PH 3____
31.
Amps: Comp #2 PH 1____ PH 2____ PH 3____
32.
Vibration – Read every six months using IRD (or equal) unfiltered at flat on top of motor end: ______ In/Sec Comp #1
______ In/Sec Comp #2
NOTE 1: If the number of starts exceeds the number of run hours, the unit is short cycling. This must be corrected as it can reduce compressor life.