-
24
-
(q)
Prevention of continuous low speed operation:
For oil return to compressor
(i)
Operating condition:
When inverter command speed of less than 26 rps continues for 60 minutes
(ii)
Detail of operation:
The unit is operated at inverter command speed of 30 rps forcibly for 15 seconds. (The indoor and
outdoor fans are not changed.)
Note (1) When the inverter command of exceeding 30 rps is directed during 30 rps forced operation, the unit follows it.
(r)
Outdoor fan motor protection
If the outdoor fan motor has operated at 75rpm or under for more than 30 seconds, the inverter and fan motor are stopped.
(s)
Stop mode
(i)
Operating conditions:
When the operation mode is changed, when the dehumidifying operation is changed from the
heating oriented mode to the cooling oriented mode or vice versa, or when the dehumidifying operation is changed from
reheat dehumidifying to the heating or when the inverter speed turns to 0 rps. [When 0 rps is commanded from the indoor unit
controller, or when an outdoor protective function is actuated]
(ii)
Detail of operation
Function
Operation
Heating,
heating oriented
dehumidifying
Heating,
heating oriented
dehumidifying
Cooling,
cooling oriented
dehumidifying
Cooling,
cooling oriented
dehumidifying
When stopped by indoor unit controller
Reheat
dehumidifying
Reheat
dehumidifying
When stopped or reset by outdoor unit protective function
Inverter
speed
3 min.
6 th speed
6 th speed
6 th speed
6 th speed
6 th speed
6 th speed
3 min.
3 min.
2 min.
55 sec.
2 min.
45 sec.
2 min.
45 sec.
4 min. 40 sec.
2 min.
55 sec.
1 min
1 min
1 min
1 min
1 min
1st speed
1 min
2 min.
55 sec.
2 min.
55 sec.
Indoor
fan
Outdoor
fan
4-way valve
Solenoid
valve
Stop
Full stop
[0 rps command]
Stop
Full stop
[0 rps command]
Stop
Full stop
[0 rps command]
Stop
Restart
[0 rps command]
Stop
Restart
[0 rps command]
Stop
Restart
[0 rps command]
ON
OFF
ON
OFF
OFF
Command speed
0 rps
Speed dependent
OFF
ON
OFF
Speed responsive
or reheat
dehumidifying
control
Indoor
power
relay
Hot keep
Summary of Contents for SRK13ZEV-S4
Page 2: ...TECHNICAL MANUAL 1 SRK13ZEV S4 2 2 SRK22ZEV S4 60 1 ...
Page 126: ...PARTS LIST INDOOR UNIT SRK13ZEV S4 SRK22ZEV S4 OUTDOOR UNIT SRC13ZEV S4 SRC22ZEV S4 125 ...
Page 134: ...MEMO 133 ...
Page 137: ... 136 CRBE0226 1 3 4 2 5 6 7 8 9 10 11 12 13 PANEL FAN ASSY ...
Page 145: ...ROOM AIR CONDITIONING TECHNICAL MANUAL PARTS LIST Manual No 06 SRK T 054 ...