Check Items Before Test Run - Fujitsu R407C Service Manual

1. TEST RUN

1-1 CHECK ITEMS BEFORE TEST RUN

Before test run, check the following items.
Outdoor
unit
3 4W 50Hz 380 - 415V
Transmission line
1 50Hz 220 - 240V
Is the selection of the outdoor unit and the indoor units correct?
1
(Check the number of connected indoor units, total capacity of the indoor units)
Is the piping length correct?
2
(Ex. Maximum piping length : 100m)
Is the diameter of the selected pipe correct?
3
Is the diameter selected separation kit correct?
4
Doesn't gas leak?
5
Have the vaccuum process done enough time?
6
Is the refrigerant flow correct?
7
Is the additional refrigerant charge amount correct?
8
(Note the charge amount to control box cover)
Are the power supply cables connected?
9
(Power supply for the indoor unit and outdoor unit is separated.)
Is the spec. for the power supply cable correct?
10
Is the RB unit cable connected?
11
Is the length of the transmission line under the limit?
12
Is the spec. for the transmission cable correct?
13
(non-polar 2-core, 0.75-1.25mm )
Is the transmission cable connected to all units?
14
Is the remote controller cable connected to units?
15
Is not the power supply cable connected to transmission and remote controller terminal?
16
Are the addresses set? (Ex. Refrigerant circuit address, indoor unit address, remote controller address, etc.)
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
22
temperature of 20
2 3 5 6
13
1 7 8 14
15 16 19 21 22
12 13 14
9 10
Central
remote controller
2
or below?
7 20
4
RB unit
RB unit
11
11
15 16 17 18 21
1
Wired
remote controller
01-01
1 50Hz
220 - 240V
9 10
Indoor
unit