Decision speed
Indoor compressor total speed value
Model
Item
A
B
SCM40ZS-S
SCM45ZS-S
SCM50ZS-S
(1) Summary
(a) Capacity control
(i) Indoor unit SRK
**
ZMX-S models only
Model
Capacity
SCM40ZS-S
̾
SCM45ZS-S
̾
SCM50ZS-S
̾
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.
(b) Outdoor compressor speed control
(iii) Indoor unit except SRK
**
ZMX-S and SKM
**
ZSP-S models
(ii) Indoor unit SKM
**
ZSP-S models only
Model
Capacity
SCM40ZS-S
̾
SCM45ZS-S
̾
SCM50ZS-S
̾
SCM45ZS-S
1.3
—
6.3 kW
SCM50ZS-S
1.4
—
7.3kW
Model
Capacity
SCM40ZS-S
1.3
—
6.1 kW
Functional
components
Operation
Compressor speed
Indoor
fan
Compressor
Outdoor fan
Electronic
expansion valve
Heating
Thermostat OFF
(All indoor units)
Thermostat OFF
(Some of indoor units)
Fan, stop, abnormal stop
(Some of indoor units)
Failure
(Outdoor unit)
Fixed
Automatic
(2) Operation of major functional components in heating mode
7.5 Outdoor units
7.5.1 Outline of heating operation
(3) Defrost operation
(a) Starting conditions
(i)
(ii)
(iii)
(iv)
−
40
40
Tho-R
satisfied
Tho-A
2
(Tho-A)
㸫
(Tho-R) >= 0.44 × (Tho-A) + A
A
Tho-A
㸫
15 °C <= Tho-A <
㸫
2 °C
㸫
2 °C <= Tho-A
Tho-A <
㸫
15 °C
Tho-R
-
189
-
'16 • SCM-T-199
