Compressor Oil Temperature Protection Control - Daikin VRV Inverter K Series Manual

SI-05C.BOOK Page 233 Monday, November 6, 2000 4:13 PM
SiE-05C
4.7

Compressor Oil Temperature Protection Control

1. Even if the compressor is running, if oil temperature of the inverter compressor lowers, the
2. Compressor operating capacity is controlled if oil temperature of outdoor units drops below the
INV outdoor
unit
STD outdoor
unit 1
STD outdoor
unit 2
Functions PLUS Series
control crankcase heater (CH3) is energized and refrigerant is discharged from inside the
compressor by evaporation.
Control conditions
Crankcase heater (J3HC) is turned on if inverter compressor oil temp. < 0˚C.
Control cancel conditions
Crankcase heater (J3HC) is turned off if inverter compressor oil temp. > 40˚C.
reference value.
Control conditions
No more than 30 min. after start or
no more than 20 min. since
completion of defrost or oil return &
INV compressor temp. < -15˚C
No more than 30 min. after start or
no more than 20 min. since
completion of defrost or oil return &
No.1 compressor temp. < -15˚C
No more than 30 min. after start or
no more than 20 min. since
completion of defrost or oil return&
No.1 compressor temp. < -15˚C
Cancel conditions Contents
Time given on left has been Limited to either:
exceeded or INV compressor 106+OFF
temp. > -10˚C (106+OFF) + (ON+OFF)
(106+OFF) + (ON+OFF) +
(ON+OFF)
Time given on left has been Limited to either:
exceeded or No.1 compressor (106+ON) + (ON+OFF)
temp. > -10˚C (106+ON) + (ON+OFF) +
(ON+OFF)
Time given on left has been Limited to
exceeded or No.1 compressor (106+ON) + (ON+ON) +
temp. > -10˚C (ON+OFF)
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Outline of Control
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