Mitsubishi Heavy Industries SRK20ZJ-S Service Manual

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39
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'10 • SCM-SM-094
'09•SRK-DB-087D
(18) Serial signal transmission error protection
(a) Purpose:
(b) Detail of operation:
(19) Rotor lock
(20) Outdoor fan motor protection
(21) Outdoor fan control at low outdoor temperature
Cooling
(a) Operating conditions:
(b) Detail of operation:
(c) Reset conditions:
Heating
(a) Operating conditions:
(b) Detail of operation:
(c) Reset conditions:
Outdoor air temperature > 10˚C
Outdoor air temperature
<
=
10˚C
Outdoor fan
Outdoor air temperature > 16˚C
Outdoor air temperature
<
=
16˚C
Lower limit speed
(a)
The fan operates as follows according to the compressor command speed. (Except during defrost.)
Cooling Heating
Compressor speed (rps) Less than 31
More than 66
85 or more
but 85 or less
Outdoor fan speed
6th speed5th speed
More than 31
but 66 or less
4th speed3rd speed
Less than 31
More than 46
66 or more
but 66 or less
6th speed5th speed
More than 31
but 46 or less
4th speed3rd speed
Cooling Heating
Compressor speed (rps)
Outdoor fan speed
Model 40: Less than 40
Model 45: Less than 40
Model 50: Less than 48
Model 60: Less than 48
Model 40: 40 or more
Model 45: 40 or more
Model 50: 48 or more
Model 60: 48or more
Model 40: Less than 56
Model 45: Less than 56
Model 50: Less than 61
Model 60: Less than 61
Model 40: 56 or more
Model 45: 56 or more
Model 50: 61 or more
Model 60: 61 or more
6th speed
5th speed6th speed
5th speed
SCM71, 80 ZJ-S
SCM40~60ZJ-S
(b)
If the outdoor unit’s fan speed drops, the outdoor fan is run for 1 minute at that speed.

Mitsubishi Heavy Industries SRK20ZJ-S Specifications

General

Brand	Mitsubishi Heavy Industries
Model	SRK20ZJ-S
Category	Air Conditioner
Language	English