Multi Variable Heat Pump Floor and Ceiling Type Indoor Unit
11
Ceiling type
Floor type
Fig.4.3.3
4.4 Wired Controller Installation
Wired controller is optional accessory. If wired controller is needed, please contact your local dealer and
install the wired controller according to the instruction manual.
Note:
Controller commissioning operation must be performed before first use for automatic addressing and other
settings. Please refer to the manual of ODU.
5 Wiring Work
Note:
ķ
......Units must be grounded securely, or it may cause electric shock.
ĸ
......Please carefully read the wiring diagram. Faulty wiring could cause malfunction or even damage the
unit.
Ĺ
......The capacity of power supply must be sufficient and the sectional area of wires in the room should be
larger than 2.5mm
2
.
ĺ
......The unit should be powered by independent circuit and specific socket.
Ļ
......The wiring should have a dedicated power supply.
ļ
......Install circuit breaker for branch circuit according to related regulations and electrical standards.
Ľ
......Crimp terminal or single wire must be used for all wires.
ľ
......Keep cable away from refrigerant piping, compressor and fan motor.
Ŀ
......Do not change the wiring inside the unit.
ŀ
......If there is strong electromagnetic interference around the unit, use shielded twisted pair line; the metal
shielded layer of twisted pair wire must be grounded to avoid electromagnetic interference.
䢈
......The communication wires should be separated from power cord and connection wire between indoor
unit and outdoor unit.
䢉
.......Adjust the static pressure via wired controller according to site conditions.
5.1 Connection of Wire and Patch Board Terminal
(1) Single wire connection (as shown in Fig. 5.1.1)
1) Strip about 25mm (1 in.) insulation of the wire end with stripping tool.
