23
English
•
Carry out wiring between the outdoor units, indoor units and the remote controllers according to the wiring
diagram.
•
Carry out installation and wiring of the remote controller according to the “installation manual” attached to
the remote controller.
•
Do not touch the Printed Circuit Board assembly. It may cause malfunction.
8-2 SPECIFICATION FOR FIELD SUPPLIED FUSES AND WIRING
•
For the wiring of outdoor units, refer to the installation manual attached to the outdoor units.
•
Remote controller and transmission wiring are field supplied. (Refer to Table 3)
Table 3
*This will be the total extended length in the system when doing group control.
NOTE
1.
Shows only in case of protected piping. Use H07RN-F in case of no protection.
2.
Vinyl cord with sheath or cable (Insulated thickness : 1mm or more)
•
Wiring specifications are shown on the condition that the wiring has a voltage drop of 2%.
8-3 WIRING CONNECTION METHOD (
Refer to
Fig. 36)
•
Transmission wiring, earth wiring
Remove the control box lid, match the symbol to that of the transmission wiring terminal block (X2M) and
connect the wiring.
Connect the earth wiring also to the transmission wiring terminal block (X2M).
Then, lead the wiring into the indoor unit through the hole bored on the cover for penetrating piping accord-
ing to the section “
6. REFRIGERANT PIPING WORK
” and bind the wiring with the clamp (4).
•
Remote controller wiring (Note that the remote controller is not required for simultaneous operation slave
units.)
Connect the remote controller wiring to [P1 · P2] of the terminal block (X1M) for remote controller.
Bind the remote controller wiring with the clamp (4).
•
Sticking non woven fabric (15).
To prevent wiring from floating, stick non woven fabric (15).
CAUTION
•
Never connect the power supply wiring to the terminal block for remote controller/transmission wiring
(X1M).
It may damage the total system.
•
Do not connect the remote controller/transmission wiring to the wrong terminal block.
Wiring
Size mm
2
Length
Transmission wiring
H05VV-U4G (NOTE 1)
2.5
−
Remote controller wiring
Sheathed vinyl cord or
cable (2 core) (NOTE 2)
0.75
−
1.25
Max. 500m *
01_EN_3P177351-6P.fm Page 23 Sunday, September 30, 2012 1:52 PM
