Mitsubishi Electric CAHV-P500YA-HPB, Service Handbook

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[
VIII
Test Run Mode ]
- 101 -
HWE10060 GB
[4] Refrigerant
[5] Symptoms that do not Signify Problems
[6] Standard operating characteristics(Reference data)
Reference data
Space
requirements
DB °C 7 16
Ambient
temperature
WB °C 6 12.4
Temperature Discharge refrigerant °C 75 72
Suction refrigerant °C 6 10
Shell temperature °C 20 35
Air-side heat exchanger inlet °C 1 7
Outside temperature °C 7 16
Inlet water temperature °C 40 40
Outlet water temperature °C 45 45
Pressure High pressure MPa 1.72 1.72
Low pressure MPa 0.38 0.47
LEV opening Main circuit pulse 550 870
Injection pulse 60 60
Compressor Frequency Hz 73 59
Fan Frequency Hz 55 50
Unit type
CAHV-P500YA-HPB
Refrigerant type
R407C
Refrigerant charge 5.5kg × 2
If terminals 19 and 20 on TB5 are short-circuited,
the fan will be forced to operate even after the
compressor has stopped.
Cause Remote controller display Symptom
Fan does not stop while stopping op-
eration.
The display shown right will appear
on the unit remote controller for
about 5 minutes when the main
power source is turned on.
Extinguished
"PLEASE WAIT" ("HO")
blinking display
The system is under starting up.
Operate the remote controller after the blinking of
“PLEASE WAIT” (“HO”) is disappeared.