- 23 -
[
II
Restrictions ]
Wiring method/address setting method
1) Indoor/outdoor transmission line
Connect M1, M2 terminals of the indoor/outdoor transmission line terminal block (TB3) on the outdoor unit (OC)
and A1, B1 terminals of the indoor/outdoor terminal block (TB5-1) on the indoor unit (IC). (Non-polarized 2-core
cable)
Only use shielded cables.
[Shielded cable connection]
Connect the earth terminal of the OC and S terminal of the IC terminal block (TB5-1).
2) Switch setting
Address setting is required as follows.
Pro-
ce-
dure
s
Unit or controller
Address-
settin-
grange
Setting method
Notes
Facto-
ry set-
ting
1
Indoor
unit
Main unit IC
01 to 50
Assign a sequential odd number
starting with "01" to the upper in-
door controller.
00
Sub unit
IC
01 to 50
Assign sequential numbers start-
ing with the address of the main
unit in the same group. (Main unit
a1)
2
Outdoor unit
OC
51 to 100
Add 50 to the address assigned to
the indoor unit connected to the
system with one outdoor unit.
00
3
MA
remote
controller
Main
remote
control-
ler
MA
No settings
required.
-
Main
Sub
remote
control-
ler
MA
Sub
remote
controller
Settings to be made with the sub/
main switch
Содержание PU(H)Y-P250YGM-A
Страница 1: ...Models Service Handbook AIR CONDITIONERS PU H Y P250YGM A PUHY P500YGM A PFD P250VM E PFD P500VM E ...
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Страница 72: ... 63 VI Refrigerant Circuit 1 Refrigerant Circuit Diagram 65 2 Principal Parts and Functions 68 ...
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Страница 182: ... 173 X LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 175 ...
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