Outdoor
unit
3 4W 50Hz 380 - 415V
1 50Hz
220 - 240V
Transmission line
Indoor
unit
1
13
9
10
9
10
1
14
15 16
12
13
14
2
4
3 5 6
15
16 17 18
21
Central
remote controller
Wired
remote controller
Before test run, check the following items.
Is the selection of the outdoor unit and the indoor units correct?
(Check the number of connected indoor units, total capacity of the indoor units)
Is the piping length correct?
(Ex. Maximum piping length : 100m)
Is the diameter selected separation kit correct?
Doesn't gas leak?
Have the vaccuum process done enough time?
Is the refrigerant flow correct?
1
2
Is the additional refrigerant charge amount correct?
Are the power supply cables connected?
Is the spec. for the power supply cable correct?
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 )
(Note the charge amount to control box cover)
(Power supply for the indoor unit and outdoor unit is separated.)
Is the transmission cable connected to all units?
2
Is the remote controller cable connected to units?
Is not the power supply cable connected to transmission and remote controller terminal?
Are the addresses set? (Ex. Refrigerant circuit address, indoor unit address, remote controller address, etc.)
3
4
5
6
7
8
9
Is the diameter of the selected pipe correct?
10
12
13
14
15
1. TEST RUN
16
17
Have the all settings done on the PCB?
18
Is the ball valve opened?
19
Is the pipe heat-insulated which have the enough thickness?
20
Is the drain water-flow correct?
21
Is the power supplied to crank case heater for more than 12 hours before the start of test run at outdoor
temperature of 20 or below?
22
1 50Hz 220 - 240V
1-1 CHECK ITEMS BEFORE TEST RUN
01-01
7 8
19
21
22
7 20
Is the RB unit cable connected?
11
RB unit
RB unit
11
11
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