Daikin RY50G - Maintenance Inspections; Optimal Operation Condition

Si-71A Maintenance Inspections
Troubleshooting 77
1. Maintenance Inspections
1.1 Optimal Operation Condition
Guide Lines for
Optimal Operation
Condition
The operation value guide lines when operating under standard conditions by pushing the test run button
on the remote controller are as given in the table below. RY71~125K are used as example outdoor units in
the table.
Indoor Unit Fan: “H” Operation
Note:
Figures given inside parentheses are in unit of kg/cm²
Standard Conditions
„
During or after maintenance, when the power supply is turned back on, operation restarts automatically
by the “auto restart function.” Please exercise the proper caution.
High Pressure
(Mpa)
Low Pressure
(Mpa)
Discharge
Pipe
Temperature
(°C)
Suction
Temperature
(°C)
Indoor Unit
Side:
Differential
Between
Suction
Temperature
and
Discharge
Temperature
(°C)
Outdoor Unit
Side:
Differential
Between
Suction
Temperature
and
Discharge
Temperature
(°C)
Cooling 50Hz 1.62~1.91
(16.5~19.5)
0.39~0.59
(4.0~6.0)
60~95 0~14 8~18 7~12
60Hz 1.72~2.1
(17.5~20.5)
0.34~0.54
(3.5~5.5)
70~115 -2~10
Heating 50Hz 1.42~1.86
(14.5~19.0)
0.29~0.44
(3.0~4.5)
55~95 -4~4 14~30 2~6
60Hz 1.62~2.01
(16.5~20.5)
0.29~0.44
(3.0~4.5)
60~115 -6~2
Indoor Unit Conditions Outdoor Unit Conditions
Cooling Operation 27°C DB/19°C WB 35°C DB
Heating Operation 20°C DB 7°C DB/6°C WB