Hitachi RAS-10HRNM, Service Manual, Page: 197 / 482

7.5.2 Check list for ES Series
Check list on test run
MODEL:
SERIAL No.
COMPRESSOR MFG No.:
NAME AND ADDRESS OF
CUSTOMER:
DATE:
1 Is the rotating direction of the indoor coil fan correct? __________
2 Is the rotating direction of the outdoor coil fan correct? __________
3 Is there any abnormal compressor sound? __________
4 Has the unit been running for at least twenty (20) minutes? __________
5 Check the temperature of the room:
Inlet
N° 1
DB____ °C
WB ____ °C
N° 2
DB____ °C
WB ____ °C
N° 3
DB____ °C
WB ____ °C
N° 4
DB____ °C
WB ____ °C
Outlet
DB____ °C
WB ____ °C
DB____ °C
WB ____ °C
DB____ °C
WB ____ °C
DB____ °C
WB ____ °C
Inlet
N° 5
DB____ °C
WB ____ °C
N° 6
DB____ °C
WB ____ °C
N° 7
DB____ °C
WB ____ °C
N° 8
DB____ °C
WB ____ °C
Outlet
DB____ °C
WB ____ °C
DB____ °C
WB ____ °C
DB____ °C
WB ____ °C
DB____ °C
WB ____ °C
6 Check the outside temperature:
Inlet
DB____ °C
WB ____ °C
Outlet
DB____ °C
WB ____ °C
7 Check the temperature of the refrigerant: Operating mode (cooling or heating).
Discharge gas temperature Td = _____ °C
Liquid pipe temperature Te = _____ °C
8 Check the pressure:
Discharge pressure Pd = _____kg/cm
2
G
Suction pressure Ps = _____ kg/cm
2
G
9 Check the voltage:
Nominal voltage _____V — —
Service voltage L1–L2______V L1–L3______V L2–L3______V
Initial voltage _____V — —
Phase imbalance 1-(V/Vm) = — —
10 Check the compressor input running current
Input _____kW
Running current ______A
11 Is the refrigerant charge adequate? __________
12 Do the operating control devices operate correctly? __________
13 Do the safety devices operate correctly? __________
14 Has the unit been checked for refrigerant leaks? __________
15 Is the unit clean inside and outside? __________
16 Are all the cabinet panels fixed? __________
17 Are all the cabinet panels free from rattles? __________
18 Is the filter clean? __________
19 Is the heat exchanger clean? __________
20 Are the stop valves open? __________
21 Does the drain water flow smoothly from the drain pipe? __________
7 Test Run
189
SMGB0060 rev. 1- 12/2010
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