Airwell AW-WHPMA18-H93, Installation Manual

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35
The ground fault circuit interrupter must be a high-speed type
breaker of 30 mA (<0.1 s).
NOTE
Stated values are maximum values (see electrical data for exact values).
OUTOOOR UNIT POWER SUPPLY
22kW 18kW 26kW 30kW
Unit
Maximum
overcurrent
protector(MOP)
18 21 24
28
Wiring size(mm 2 ) 6
6 6 6
9.7.4 Specifications of standard wiring components
Door 1: compressor compartment and electrical parts: XT1
9.7.5 Connection for system parallel
POWER SUPPLY
380VAC~3N
FUSE
L1 L2 L3 N
BLACK BLUE GRAY BROWN
LPS
L1 L2 L3 N
L1 L2 L3 N
BLACK BLUE GRAY BROWN
Power supply
Please use the shielded wire, and the shield layer must be grounded.
On/Off switch
Fuse
Distribution box Distribution box Distribution box Distribution box
The parallel system electrical control system connection diagram(3N~)
Master unit
Slave unit 1
H1 H2
Slave unit 2
H1 H2
Slave unit x
H1 H2
Build-out resistor
Only the last IDU
requires adding the
build-out resistor at
H1 and H2.
......
SW9
ON
OFF
SW9
Master unit
Slave unit
L1 L2 L3 N
Fuse
L1 L2 L3 N
Fuse
L1 L2 L3 N
Fuse
L1 L2 L3 N
1
、
The parallel function of the system only supports 6 machines at most .
2
、
In order to ensure the success of automatic addressing, all machines must be connected to the same power
supply and powered on uniformly.
3
、
Only the Master unit can connect the controller, and you must put the SW9 to “on” of the master unit, the slave unit
cannot connect the controller .
4
、
Please use the shielded wire, and the shield layer must be grounded.
CAUTION