5-17
FIELD WORK INSTRUCTION
No. Check Item Action Judgement
1
  Is service space sufficient?
YES or NO
2
 Short Circuit of  Discharge Air?
YES or NO
3 Any Heat Influence
YES or NO
4 Is earth wire connected?
YES or NO
5
 Refrigeration Piping GOOD or NOT GOOD
6
 Fixing of Units GOOD or NOT GOOD
7
 Any Damage on Outer or Internal
 Surface?
YES or NO
8 Checking of Screw and Bolts  Tighten if loosen.
TIGHTENED or
NOT TIGHTENED
9 Tightening of Terminal Screws
 Tighten all terminal screws by
 phillips driver.
TIGHTENED or
NOT TIGHTENED
10
 Are compressor terminals
 tightly fixed?
 Push all terminals.
PUSHED or
NOT PUSHED
11  Insulation Resistance
 Measure insulation resistance by
 insulation resistance-meter.
  Comp. and Fan
     Motor:    greater than 3MΩ
     Others:   greater than 3MΩ
GOOD or NOT GOOD
12  Does drain water smoothly flow?
 Check for smooth flow by
 pouring water.
GOOD or NOT GOOD
13
 Check for leakage at compressor.
 Check for any leakage.
GOOD or NOT GOOD
14
 Check for leakage at
 outdoor heat exchanger.
ditto GOOD or NOT GOOD
15
 Check for leakage at
 indoor heat exchanger.
ditto GOOD or NOT GOOD
16
 Check for leakage at 4-way valve.
ditto
GOOD or NOT GOOD
17
 Check for leakage at check valve.
ditto
GOOD or NOT GOOD
18
 Check for leakage at accumulator.
ditto
GOOD or NOT GOOD
19
 Check for leakage at strainer.
ditto
GOOD or NOT GOOD
20
 Check for leakage at
 electronic Ex. Valve.
ditto GOOD or NOT GOOD
21
 Check for leakage at piping.
ditto
GOOD or NOT GOOD
22
 Check direction of fans.
 by Viewing or Air Flow Volume
GOOD or NOT GOOD
23
 Voltage among each Phase.
 higher than 220V
GOOD or NOT GOOD
24  Vibration and Sound
 Check fan, compressor, piping,
  etc.
GOOD or NOT GOOD
25  Activation of Each Operation Mode
 Check activation of COOL,
 HEAT, STOP and TEMP. switches.
GOOD or NOT GOOD
26
 High Pressure Cut-out Switch
 Check actual activation value.
GOOD or NOT GOOD
27
 Check activation of drain mechanism.  Check it during cooling operation. GOOD or NOT GOOD
28
 Indoor Inlet Air Temp. (DB/WB)
  o
C DB/     
o
C WB
29
 Indoor Outlet Air Temp. (DB/WB)
  o
C DB/     
o
C WB
30
 Outdoor Inlet Air Temp. (DB/WB)
  o
C DB/     
o
C WB
31
 Outdoor Outlet Air Temp. (DB/WB)
  o
C DB/     
o
C WB
32
 High Pressure Switch     kg/cm
2
G
33
 Low Pressure Switch     kg/cm
2
G
34
 Operating Voltage    V
35
 Operating Current    A
36
 Instruction Cleaning of Air Filter
 to Client
DONE or NOT YET
37
 Instruction for Cleaning
 Method to Client
DONE or NOT YET
38
 Instruction for Operation to Client DONE or NOT YET
5.12 Service & Maintenance Record
Service & Maintenance Record