Mitsubishi Electric PUHY-RP200YJM-A [19/34] D f e i nl p gr ru tr cz sv sl hg po gb

DFEINLPGRRUTRCZSVSLHGPO

h. The group setting operations among the multiple indoor units is done by the remote controller (RC) after the electrical 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 outdoor units (OC, OS) to “ON”.

*1 OC, OS1, and OS2 of the outdoor units in the same refrigerant system are automatically identified. They are identified as OC, OS1, and OS2 in descending order of

capacity (If the capacity is the same, they are identified in the ascending order of their address number).

1 M-NET Remote controller

• Max length via outdoor units: L

1+L2+L3+L4 and L1+L2+L3+L5 and L1+L2+L6

500 m (1.25 mm

or more)

• Max transmission cable length: L

1 and L3+L4 and L3+L5 and L6 and L2+L6

200 m (1.25 mm

or more)

• Remote controller cable length: r

1, r2, r3, r4

10 m (0.3 to 1.25 mm

)

If the length exceeds 10 m, use a 1.25 mm

shielded wire. The length of this section (L8) should be included in the calculation of the

maximum length and overall length.

2 MA Remote controller

• Max length via outdoor unit (M-NET cable): L

1+L2+L3+L4 and L1+L2+L6

500 m (1.25 mm

or more)

• Max transmission cable length (M-NET cable): L

1 and L3+L4 and L6 and L2+L6

200 m (1.25 mm

or more)

• Remote controller cable length: c

1+c2 and c1+c2+c3+c4

200 m (0.3 to 1.25 mm

)

3 Transmission booster

• Max transmission cable length (M-NET cable): 1 L

1+L2+L3+L5+L6

200 m (1.25 mm

)

2 L

1+L2+L3+L5+L7

200 m (1.25 mm

)

3 L

1+L2+L4

200 m (1.25 mm

)

4 L

6+L5+L3+L4, L4+L3+L5+L7

200 m (1.25 mm

)

Unit Range Setting Method

Indoor unit (Main) 01 to 50 Use the most recent address within the same group of indoor units

Indoor unit (Sub) 01 to 50

Use an address, other than that of the IC (Main) from among the units within the same group of indoor units. This must be

in sequence with the IC (Main)

Outdoor Unit (OC, OS) 51 to 100

Set the addresses of the outdoor units in the same refrigerant system in the order of sequential number. OC, OS1, and

OS2 are automatically identified. (*1)

M-NET R/C (Main) 101 to 150 Set at an IC (Main) address within the same group plus 100

M-NET R/C (Sub) 151 to 200 Set at an IC (Main) address within the same group plus 150

MA R/C – Unnecessary address setting (Necessary main/sub setting)

Example of a group operation system with multiple outdoor units (Shielding wires and address setting are

necessary.)

[Fig. 11.3.1] M-NET Remote Controller (P.8)

*1: When the power supply unit is not connected to the transmission line for centralized control, disconnect the male power supply connector (CN41) from ONE

outdoor unit in the system and connect it to CN40.

*2: If a system controller is used, set SW2-1 on all of the outdoor units to ON.

[Fig. 11.3.2] MA Remote Controller (P.9)

<A> Change the jumper connector from CN41 to CN40

<B> SW2-1:ON

<C> Keep the jumper connector on CN41

A Group 1 B Group 3 C Group 5 D Shielded wire E Sub remote controller

( ) Address

[Fig. 11.3.3] Combination of outdoor units and transmission booster unit (P.9)

a. Always use shielded wire when making connections between the outdoor unit (OC) and the indoor unit (IC), as well for all OC-OC, OC-OS, OS-OS, and IC-IC wiring

intervals.

b. Use feed wiring to connect terminals M1 and M2 and the earth terminal

on the transmission line terminal block (TB3) of each outdoor unit (OC) to terminals M1, M2

and terminal S on the transmission line block of the indoor unit (IC). For OC and OS, connect TB3 to TB3.

c. Connect terminals 1 (M1) and 2 (M2) on the transmission line terminal block of the indoor unit (IC) that has the most recent address within the same group to the terminal

block on the remote controller (RC).

d. Connect together terminals M1, M2 and terminal S on the terminal block for central control (TB7) for the outdoor unit in a different refrigerant system (OC). For OC and

OS in the same refrigerant system, connect TB7 to TB7.

e. When the power supply unit is not installed on the central control transmission line, change the jumper connector on the control board from CN41 to CN40 on only one

outdoor unit in the system.

f. Connect the terminal S on the terminal block for central control (TB7) for the outdoor unit (OC) for the unit into which the jumper connector was inserted into 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 outdoor unit address to 100, the outdoor address setting switch must be set to 50.

2 Wiring examples

• Controller name, symbol and allowable number of controllers.

Name Code Possible unit connections

Outdoor unit

Indoor unit

Remote controller

Other

Main unit

Sub unit

Indoor unit controller

Remote controller (*1)

Transmission booster unit

– (*2)

1 to 32 units per 1 OC (*1)

2 units maximum per group

0 to 1 unit per 1 OC (*1)

OS1, OS2

*1 A transmission booster (RP) may be required depending on the number of connected indoor unit controllers.

*2 OC, OS1, and OS2 of the outdoor units in the same refrigerant system are automatically identified. They are identified as OC, OS1, and OS2 in descending order of

capacity. (If the capacity is the same, they will be in ascending order of their address number.)

WT05910X01_en_e.p65 10.5.18, 15:4519

Mitsubishi Electric PUHY-RP200YJM-A [19/34] D f e i nl p gr ru tr cz sv sl hg po gb

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