Mitsubishi Electronics PUHY-YMC installation manual For details, see wire connection example C

Models: PUHY-YMC

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Permissible length

Prohibited items

Length of the wire to the most remote indoor unit in the system (1.25 mm2) L1 + L2, L2 + L3, L3 + L1 = 200 m Remote control wire length

1In the case of 0.5 - 0.75 mm2 wire, r1 , r2 = 10 m

2If the length exceeds 10 m, use 1.25 mm2 wire and let the length be within the length of the wire to the most remote indoor unit in the system. (L3).

Same as above.

OS

OC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC

 

IC

 

 

 

(52)

(51)

 

 

 

 

 

 

 

 

 

 

 

 

(01)

 

(02)

 

 

 

TB3

TB3

TB7

TB5

TB13

TB5

TB13

 

 

M1 M2 S

M1M2

M1M2 S

M1M2 S

1 2 3

M1M2 S 1 2

3

 

 

Shielded cable

TB6

 

 

TB6

TB6

TB6

 

TB6

 

 

 

 

 

 

 

 

 

(101)

 

 

(151)

(102)

(103)

(152)

(104)

 

 

 

RC

 

 

RC

RC

RC

 

RC

 

 

 

(Main remote

(Sub remote

(Main remote

(Sub remote

 

 

 

 

controller)

controller)

controller)

controller)

 

Let the address of the sub remote controller be the indoor unit (IC) address + 150. In this case, the address would be 152.

More than 3 remote control (RC) units cannot be connected to one indoor unit.

Same as above.

OS

 

OC

 

 

 

 

 

 

 

 

 

IC (Main)

IC (Sub)

(52)

 

(51)

 

 

 

 

 

 

 

 

(01)

(02)

TB3

 

TB3

TB7

TB5

TB13

TB5

TB13

M1 M2

S

M1M2

M1M2 S

M1M2 S

1 2 3

M1M2 S

1 2 3

 

Shielded cable

 

 

 

 

 

 

 

 

 

TB6

 

 

 

 

 

 

 

(102)

(101)

 

 

RC

• The remote controller address is the indoor unit main address + 100. In this case, it is 101.

Note:

1.If there is one or more 200 or higher indoor units within the same cooling system, and the number of indoor units exceeds 16 units, a transmission booster is necessary. (When a “PAR-F25MA Ver. F or subsequent version of remote control is used)

2.If there is not even one 200 or higher indoor unit within the same cooling system, and the number of indoor units exceeds 20 units, a transmission booster is necessary. (When a “PAR-F25MA Ver. F or subsequent version of remote control is used)

* For details, see wire connection example C.

ENGLISH

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Page 29
Image 29
Mitsubishi Electronics PUHY-YMC installation manual For details, see wire connection example C