Maintenance Inspections; Optimal Operation Condition - Daikin Skyair FHC35K Service Manual

Cooling only heat pump split-system air conditioner skyair r(y)k&f series addition of fuy, fvy-l, fay-fa, fhyc140kve models r71, 100kval, r125ktal models
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Si-71A
1.

Maintenance Inspections

1.1

Optimal Operation Condition

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

Maintenance Inspections

Suction
Indoor Unit
Temperature
Side:
(°C)
Differential
Between
Suction
Temperature
and
Discharge
Temperature
(°C)
0~14
8~18
-2~10
-4~4
14~30
-6~2
Outdoor Unit Conditions
35°C DB
7°C DB/6°C WB
Outdoor Unit
Side:
Differential
Between
Suction
Temperature
and
Discharge
Temperature
(°C)
7~12
2~6
77

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