Mitsubishi SCM45ZA User Manual page 18

(c) Operation of Major Functional Components in Cooling Mode
Operation
Functional
components
Instruction speed
Fixed
Indoor
unit fan
Automatic
Outdoor unit fan
Electronic
expansion valve
Compressor
(7) Heating Operation
(a) Summary
1) Capacity control
Model
Capacity
Capacity control is within the range shown above. If demand capacity of the indoor units exceeds the maximum capac-
ity of the outdoor unit, the demand capacity will be proportionally distributed.
2) Outdoor unit speed control (28 ~ 134 rps)
Indoor unit instruction total speed value
28 rps or less
More than 28 rps, but 120 rps or less
More than 120 rps, but 134 rps or less
More than 134 rps
Note (1) The indoor unit instruction total speed value is the total of the values from each unit in item (b).
(b) Mode switching
Within the selected mode, the unit operates using the values shown below which were obtained by multiplying a conversion
coefficient to the indoor unit instruction speed.
Model (Indoor)
Operation Mode
Automatic
High
Medium
Low
Hi power
Econo
(c) Operation of Major Functional Components in Heating Mode
Operation
Functional
components
Instruction speed
Fixed
Indoor
unit fan
Automatic
Outdoor unit fan
Electronic
expansion valve
Compressor
208
Thermostat OFF
Cooling
(All indoor units)
0
See preceding table
(All indoor units)
According to instruction speed According to mode switching
According to outdoor unit speed OFF
According to decision
According to stop mode
speed
ON OFF
SCM45ZA
2.2 ~ 6.0 kW
22 25
28 ~ 74 28 ~ 80
28 ~ 74 28 ~ 80
28 ~ 50 28 ~ 58
28 ~ 34 28 ~ 36
76 82
28 ~ 42 28 ~ 44
Thermostat OFF
Heating
(All indoor units)
0
See preceding table
(All indoor units)
According to mode switching Hot Keep
According to instruction speed Hot Keep
According to outdoor unit speed OFF
According to decision
According to stop mode
speed
ON OFF
Thermostat OFF Fan, stop, abnormal stop
(Some of indoor units) (Some of indoor units)
0
(Thermostat off units) (Fan, stop, abnormal stop units)
According to mode switching
First speed or low
According to outdoor unit speed
All closed All closed
(Thermostat off units) (Fan, stop, abnormal stop units)
ON
Decision speed
28 rps
28 to 120 rps
120 to 134 rps
134 rps
28
28 ~ 120
28 ~ 120
28 ~ 86
28 ~ 46
120
28 ~ 60
Thermostat OFF Fan, stop, abnormal stop
(Some of indoor units) (Some of indoor units)
0
(Thermostat off units) (Fan, stop, abnormal stop units)
According to mode switching
According to instruction speed
According to outdoor unit speed
After 4 minutes all closed: 58 pulse
(Thermostat off units) (Fan, stop, abnormal stop units)
ON
Failure
(Outdoor Unit)
0 0
(All units)
OFF
According to stop mode
ON OFF
(rps)
32 40
28 ~ 126 28 ~ 134
28 ~ 126 28 ~ 134
28 ~ 92 28 ~ 126
28 ~ 46 28 ~ 54
120 126
28 ~ 54 28 ~ 64
Failure
(Outdoor Unit)
0 0
(All units)
Hot Keep
Hot Keep
OFF
58 Pulse
According to stop mode
ON OFF