Fujitsu R407C User Manual

The heat exchanger capacity and four-way valve, solenoid valve, and electronic expansion valve operation states
are shown below.
1. Cooling, Cooling main
Pattern
1
2
3
4
5
6
OFF
ON
ON
OFF
ON
OFF
ON
OFF
ON
ON
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
ON
ON
4-way valve (4WV)
Solenoid valve
(SV)
Electronic expansion
valve (EEV)
Used heat
exchanger(HP)
4-way valve (4WV)
Solenoid valve
(SV)
Electronic expansion
valve (EEV)
Used heat
exchanger(HP)
4-way valve (4WV)
Solenoid valve
(SV)
Electronic expansion
valve (EEV)
Used heat
exchanger(HP)
Remarks
4WV2 4WV3 4WV4
SV7 SV8
Control pulse
Control pulse
0 pulse
Control pulse
Control pulse
Control pulse
EEV1
0 pulse
0 pulse
Control pulse
Control pulse
Control pulse
Control pulse
Cooling 2HP
Cooling 4HP
Cooling 6HP
Cooling 8HP
Cooling 10HP
Cooling 12HP
EEV2 2
4 6
2. Heating, Heating main
Pattern
1
2
3
4
5
6
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
ON
ON
Remarks
4WV2 4WV3 4WV4
SV7 SV8
Control pulse
Control pulse
0 pulse
Control pulse
Control pulse
Control pulse
EEV1
0 pulse
0 pulse
Control pulse
Control pulse
Control pulse
Control pulse
Heating 2HP
Heating 4HP
Heating 6HP
Heating 8HP
Heating 10HP
Heating 12HP
EEV2 2
4 6
3. Stop and same capacity operation
Pattern
1
2
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
OFF
OFF
Remarks
4WV2 4WV3 4WV4 SV7 SV8
280 pulse
0 pulse
EEV1
280 pulse
0 pulse
Stop
Same capacity
EEV2 2 4 6
3-2 HEAT EXCHANGE CAPACITY CONTROL
03-03

Fujitsu R407C Specifications

General

Brand	Fujitsu
Model	R407C
Category	Air Conditioner
Language	English