Hitachi FS3 Series, Service Manual

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5
6
FIELD WORK INSTRUCTION
5.9. SERVICE & MAINTENANCE RECORD
No. Check Item Action Judgement
1 Is service space
sufficient?
Yes No
2 Short circuit of
Discharged Air?
Yes No
3 Any Heat Influence Yes No
4 Is earth wire
connected?
Yes No
5 Refrigeration Piping
Good
Not
Good
6 Fixing of Units
Good
Not
Good
7 Any Damage on
Outer or Internal
Surface?
Yes No
8 Checking of Scew
and Bolts Tighten if
loosen
Tightened
Not
Tightened
9 Tightening of
Terminal Screws Tighten all
terminals
screws by
phillips driver
Tightened
Not
Tightened
10 Are compressor
terminals tighly
fixed?
Push all
terminals
Pushed
Not
Pushed
11 Insulation
Resistance
Measure Insulation
resistance by
Insulation
resistance-meter.
Comp. and Fan
Motor: greater than
3M
W
Others: greater
than 3M
W
Good
Not
Good
12 Does Drain Water
smoothly flow?
Check for smooth
flow by pouring
water.
Good
Not
Good
13 Check for Leakage
at compressor. Check for any
Leakage
Good
Not
Good
14 Check for Leakage
at Outdoor heat
exchanger
ditto Good
Not
Good
15 Check for Leakage
at Indoor heat
exchanger
ditto Good
Not
Good
16 Check for Leakage
at 4-way valve
ditto Good
Not
Good
17 Check for Leakage
at check valve
ditto Good
Not
Good
18 Check for Leakage
at accumulator
ditto Good
Not
Good
No. Check Item Action Judgement
19 Check for Leakage
at Strainer
ditto Good
Not
Good
20 Check for Leakage
at electronic Ex.
Valve
ditto Good
Not
Good
21 Check for Leakage
at piping
ditto Good
Not
Good
22 Check for direction
of fans by Viewing or
Air Flow
Volume
Good
Not
Good
23 Voltage among
each Phase Higherthan
220V
Good
Not
Good
24 Vibration and
Sound Check fan,
compressor,
piping, etc
Good
Not
Good
25 Activation of each
Operation Mode Check
Activation of
Cool, Heat,
Stop, and
Temp. switches
Good
Not
Good
26 High Pressure Cut-
out Switch Check actual
activation value
Good
Not
Good
27 Check activation of
drain mechanism Check it during
cooling
operation
Good
Not
Good
28 Indoor Inlet Air
Temp. DB/WB
(°C)DB (°C)WB
29 Indoor Outlet Air
Temp. DB/WB
(°C)DB (°C)WB
30 Outdoor Inlet Air
Temp. DB/WB
(°C)DB (°C)WB
31 Outdoor Outlet Air
Temp. DB/WB
(°C)DB (°C)WB
32 High Pressure
Switch
kg/cm²G
33 Low Pressure
Switch
kg/cm²G
34 Operating Voltage V
35 Operating Current A
36 Instruction for
cleaning of Air Filter
to client
Done Not Yet
37 Instruction for
cleaning of Method
to client
Done Not Yet
38 Instruction for
Operation to client
Done Not Yet