Option List; Wired Controller - Hitachi RPIL-1.0PNN1DH Service Manual

1. OPTION LIST

1. Option list
1.1 Wired Rmote Controller (Model: HCWA21NEHH)
Wired controller installation
Manual Quality certification
1pc
Insert the slotted screwdriver from here,
and press on it for removal.
3.Determining the direction of the controller wiring outlet (back outlet, bottom outlet).
Upper cover
Cut off thin area with nippers or the like, and then remove burr with a file or the like.
4.Wiring of wired controller
Single control
Connect wired controller with indoor unit with attached controlling cable (4-pin).
Group control
Connect wired controller with indoor unit with attached controlling cable (4-pin), and connect with adaptor with RS485 controlling
cable (2-pin, attached with adaptor).
s
econdary controller.
Adaptor
( (
Model:
HDBA21NEWH
Screw
1pc 2 pcs
Back out hole
Lower cover
The quantity of adaptor required, which need to be prepared separately, is the same with that of the
RS485 shielded twisted pairs (with polarity, A+ B-)
···
···
A+ B- A+ B- A+ B-
A+
Indoor unit Indoor unit
Wired
(Secondary 1) (Secondary 2)
controller
Indoor unit
(Primary)
Controlling cable Connecting terminal
2 pcs
Bottom outlet hole
···
···
A+ B- A+ B-
B-
Indoor unit Indoor unit
(Secondary ...) (Secondary 7)
1
1 pc