Mitsubishi Electric CITY MULTI PQHY-P-TSHMU-A(-BS) Manuel D'utilisation page 26

Unit
Indoor unit (Main)
Indoor unit (Sub)
Heat source Unit (OC, OS)
BC controller (Main)
BC controller (Sub)
M-NET R/C (Main)
M-NET R/C (Sub)
MA R/C
h. Group setting operation among the multiple indoor units is performed by the remote controller (RC) after the power has been turned on.
i. When the centralized remote controller is connected to the system, set centralized control switches (SW2-1) on control boards in all heat source units (OC, OS) to
"ON".
*1 OC and OS of the heat source units in the same refrigerant system are automatically identi¿ ed. They are identi¿ ed as OC and OS in descending order of capacity (If
the capacity is the same, they are identi¿ ed in the ascending order of their address number).
<Maximum Lengths>
1 M-NET Remote controller [Fig. 11.3.4] (P.12)
• Max length via outdoor units: L +L
1 2
• Max transmission cable length: L
1
• Remote controller cable length: ,
1
If the length exceeds 10 m [32 ft], use a 1.25 mm
calculation of the maximum length and overall length.
2 MA Remote controller [Fig. 11.3.5] (P.13)
• Max length via outdoor unit (M-NET cable): L
• Max transmission cable length (M-NET cable): L
Remote controller cable length: m
• +m
1
3 Transmission booster [Fig. 11.3.6] (P.13)
Max transmission cable length (M-NET cable): 1 L
•
• Remote controller cable length:
1
If the length exceeds 10 m [32 ft], use 1.25 mm
within the total extended length and the longest remote length.
26
Range
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.
01 to 50 Use an address, other than that of the IC (Main) from the units within the same group of indoor units.
This must be in sequence with the IC (Main)
51 to 100 Set the addresses of the heat source units in the same refrigerant system in the order of sequence.
OC and OS are automatically identi¿ ed. (*1)
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.
51 to 100 Lowest address within the indoor units connected to the BC controller (sub) plus 50
101 to 150 Set at an IC (Main) address within the same group plus 100
151 to 200 Set at an IC (Main) address within the same group plus 150
– Unnecessary address setting (Necessary main/sub setting)
+L +L and L +L +L +L and L +L +L
3 4 1 2 3 5 1 2
and L +L and L +L and L and L +L
3 4 3 5 6 2 6
, , 10 m [32 ft] (0.3 to 1.25 mm
2 3 4
+L +L +L and L +L +L
1 2 3 4 1 2 6
and L +L and L and L
1 3 4 6
and m
+m +m +m 200 m [656 ft] (0.3 to 1.25 mm
2 1 2 3 4
+ L + L + L + L
11 12 13 14
2 L
+ L + L + L + L
11 12 13 14
3 L
+ L + L + L 200 m [656 ft] (1.25 mm
11 12 13 15
4 L
+ L + L + L , L
17 16 14 15
, 10 m [32 ft] (0.3 to 1.25 mm 2 [AWG 22 to 16])
2
Setting Method
2
500 m [1,640 ft] (1.25 mm [AWG 16] or more)
6
2
200 m [656 ft] (1.25 mm [AWG 16] or more)
2
[AWG 22 to 16])
2 [AWG 16] shielded wire. The length of this section (L
2
500 m [1,640 ft] (1.25 mm [AWG 16] or more)
2
+L 200 m [656 ft] (1.25 mm [AWG 16] or more)
2 6
2
[AWG 22 to 16])
+ L 200 m [656 ft] (1.25 mm 2 [AWG 16])
16 17
2
+ L 200 m [656 ft] (1.25 mm [AWG 16])
16 18
2 [AWG 16])
+ L + L + L 200 m [656 ft] (1.25 mm
15 14 16 18
2 [AWG 16] shielded cable and calculate the length of that portion (L
) should be included in the
8
2 [AWG 16])
and L
15 18
) as