32
GB
2
Wiring examples
Controller name, symbol and maximum number of controllers.
Name
Code
Possible unit connections
Heat source unit
Main unit
OC
±
Sub unit
OS
±
BC controller
Main unit
BC
One controller for one OC
Sub unit
BS
Zero, one or two controllers for one OC
Indoor unit
Indoor unit controller
IC
WRXQLWVSHU2&
Remote controller
5HPRWHFRQWUROOHU
RC
2 units maximum per group
Other
Transmission booster unit
RP
WRXQLWVSHU2&
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Example of a group operation system with multiple heat source units (Shielding wires and address setting are
necessary.)
<Examples of transmission cable wiring>
[Fig. 11.3.1] [Fig. 11.3.3] [Fig. 11.3.4] [Fig. 11.3.6] ME Remote Controller (P.15 - 17)
*1: For [Fig. 11.3.1] [Fig. 11.3.4]
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heat source unit in the system and connect it to CN40.
*2: If a system controller is used, set SW5-1 on all of the heat source units to ON.
[Fig. 11.3.2] [Fig. 11.3.5] MA Remote Controller (P.15, 17)
<A>
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<B> SW5-1:ON
<C>
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A
Group 1
B
Group 3
C
Group 5
D
Shielded wire
E
Sub remote controller
$GGUHVV
[Fig. 11.3.3]
[Fig. 11.3.6] Combination of heat source units and transmission booster unit (P.16, 17)
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[Fig. 11.3.1], [Fig. 11.3.2] or [Fig. 11.3.4], [Fig. 11.3.5] or DATA BOOK.
<Wiring Method and Address Settings>
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b. Use feed wiring to connect terminals M1 and M2 and the ground terminal
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OC and OS in the same refrigerant system, connect TB7 to TB7.
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one heat source unit in the system.
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CN40 in the step above to the earth terminal
in the electrical component box.
g. Set the address setting switch as follows.
*
To set the heat source unit address to 100, the heat source address setting switch must be set to 50.
Unit
Range
Setting Method
,QGRRUXQLW0DLQ
01 to 50
Use the most recent address within the same group of indoor units. With an R2 system with sub BC
controllers, set the indoor unit address in the following order:
1
Indoor units connected to the main BC controller
2
Indoor units connected to BC sub controller 1
3
Indoor units connected to BC sub controller 2
Set the indoor unit addresses so that all the addresses of
1
are smaller than those of
2
, and that all
the addresses of
2
are smaller than those of
3
.
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01 to 50
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7KLVPXVWEHLQVHTXHQFHZLWKWKH,&0DLQ
+HDWVRXUFH8QLW2&26
51 to 100
Set the addresses of the heat source units in the same refrigerant system in the order of sequence.
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%&FRQWUROOHU0DLQ
51 to 100
Heat source unit address plus 1. When the set indoor unit address duplicates the address of another
indoor unit, set the new address to a vacant address within the set range.
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51 to 100
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0(5&0DLQ
101 to 150
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0(5&6XE
151 to 200
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MA R/C
–
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“ON”.
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Summary of Contents for CITY MULTI PQHY-P-TLMU-A
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