Fujitsu AB12 User Manual

Outdoor
unit
3 4W 50Hz 380 - 415V
1 50Hz
220 - 240V
Transmission line
Indoor
unit
1
13
7 8
4
7
8
1
9
14 15 16
10 11
12
2
3 5 6
13
14
Central
remote controller
Wired
remote controller
RB unit
Before test running, check the following items.
Note: RB unit ( ) is for the heat recovery type.
Is the selection of the outdoor unit and the indoor unit correct?
(Maximum operating indoor unit, total capacity of the indoor unit)
Is the piping length correct?
(Ex. Maximum piping length : 100m)
Is the separate selected correct?
Doesn't gas leak?
Is the refrigerant flow correct?
Are the power supplies connected?
1
2
(Power supply for the indoor unit and outdoor unit is separated.)
Is the spec. for the power supply cable correct?
Is the RB unit cable connected?
Is the length of the transmission line under the limit?
Is the spec. for the transmission cable correct?
(non-polar 2-core, 0.75-1.25mm )
Is the transmission cable connected to all units?
2
Are the addresses set? (Ex. Refrigerant circuit address, indoor unit address, remote controller address, etc.)
Have the all settings done on the PCB?
Is the refrigerant valve opened?
Is the power supplied to crank case heater for 12 hours before winter operation?
3
4
5
6
7
8
9
10
Is the diameter of the pipe selected correct?
11
12
13
14
15
2-1 CHECK ITEMS BEFORE TEST RUNNING
9
2. TEST RUN
16
– 19 –
1 50Hz 220 - 240V

Fujitsu AB12 Specifications

General

Brand	Fujitsu
Model	AB12
Category	Air Conditioner
Language	English