Fujitsu AB12 User Manual

4-WAY VALVE 5
4-Way valve 5 control
Stop
Cooling
Heating
System type switching
The 4-way valve 5 is used properly depending on the model as shown below.
HEAT RECOVERY
TYPE
HEAT PUMP
TYPE
COOLING ONLY
X
: Used (ON/OFF operation under condition)
x
: Not used (always OFF)
4-Way valve 5 setting by the operating mode
(a) 4-Way valve 5 setting by the operating mode
OPERATING MODE
Same performance
4-WAY VALVE 5 CONDITIONS
OFF
OFF
ON
OFF
(b) Delay switching
When the operating mode is changed to Stop, the 4-way valve 5 maintains a start of the operating
mode before changing, and when the operating mode is other than Stop before three minutes pass
it follows the above 1)
immediately.
1)
2)
5-8 FOUR -WAY VALVE 5 CONTROL
– 52 –
TYPE

Fujitsu AB12 Specifications

General

Brand	Fujitsu
Model	AB12
Category	Air Conditioner
Language	English