Mitsubishi Electric kumo station PAC-WHS01HC-E Manuel D'installation page 10

4–2. Wiring
4–2–1. Wiring method
*Optional parts
Ch1
24 V AC
Transformer
Wiring specification
Power cable
Equipment cable
Outdoor temperature sensor cable
Warning
All electrical work should be carried out by a suitably qualified technician. Failure to comply with this could result in
electrocution, fire, and death. All wiring must be conducted according to the national wiring regulations.
Notes:
● Disconnect power supply before connecting wires.
● Do not route wires near equipment generating noise.
● Do not bundle power cables and equipment cables together with other cables.
● Indoor unit-Equipment Controller cable, Wireless Interface cable, and sensor cables should be segregated from each
other until entry into the Equipment Controller. Also avoid running cables along metal surfaces.
● Use copper supply wires.
EN-9
Ch2 Ch3 Ch4
CN460
(WH)
Ch2
24V COM
Ch1
Connect to equipment
Note: Connect surge absorber
according to the load at site.
AWG 18–22
Connect by caulking a round terminal
AWG 16–22 (Note: AWG 18 is recommended)
CN90B
(WH)
Ch4
8
Ch3
Wireless
Interface
Outdoor
temperature
sensor*
CN105
Indoor unit