Specifications Of Standard Wiring Components; Power Supply - Airwell AW-WHPMA18-H93 Manual De Instalación

9.7.4 Specifications of standard wiring components

Door 1: compressor compartment and electrical parts: XT1
OUTOOOR UNIT POWER SUPPLY
Unit 18kW
Maximum
overcurrent
18
protector(MOP)
2
Wiring size(mm ) 6
Stated values are maximum values (see electrical data for exact values).
The ground fault circuit interrupter must be a high-speed type
breaker of 30 mA (<0.1 s).
9.7.5 Connection for system parallel
SW9
L1 L2 L3 N
Master unit
Fuse
On/Off switch

Power supply

Distribution box
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.
22kW 26kW 30kW
21 24 28
6 6 6
NOTE
SW9
OFF Slave unit
Master unit
ON
L1 L2 L3 N
H1 H2
Slave unit 1
Fuse
Distribution box
The parallel system electrical control system connection diagram(3N~)
CAUTION
35
BLACK BLACK BROWN BROWN
L1 L1 L2 L2
LPS
L1 L2 L3 N
Please use the shielded wire, and the shield layer must be grounded.
L1 L2 L3 N
H1 H2
......
Slave unit 2
Fuse Fuse
Distribution box Distribution box
GRAY GRAY BLUE BLUE
L3 L3 N N
POWER SUPPLY
380VAC~3N
L1 L2 L3 N
H1 H2
Slave unit x
Only the last IDU
requires adding the
build-out resistor at
H1 and H2.
Build-out resistor