Mitsubishi Electric PUHY-HP200YNW-A Service Handbook page 52

[2-9 Example System with an MA and an ME Remote Controller ]

(4) Wiring method

1) Indoor/outdoor transmission line

Same as 2-7-1

Shielded cable connection

Same as 2-7-1

2) Transmission line for centralized control

Same as 2-7-4

Shielded cable connection

Same as 2-7-4

3) MA remote controller wiring

Same as 2-7-1

When 2 remote controllers are connected to the sys-

tem

(5) Address setting method

Proce-

Unit or controller

dures

Opera-

In-

tion

door

with the

unit

MA re-

mote

control-

ler

re-

mote

con-

troller

Opera-

In-

tion

door

with the

unit

ME re-

mote

control-

ler

ME re-

mote

con-

troller

LOSSNAY

Outdoor unit

The outdoor units in the same refrigerant circuit are automatically designated as OC, OS1, and OS2.

The outdoor units are designated as OC, OS1, and OS2 in the order of capacity from large to small (if two or more units have

the same capacity, in the order of address from small to large).

BS_02_M

Address

setting

range

Main unit

01 to 50

Sub unit

Main re-

mote con-

settings

troller

required.

Sub

remote

controller

Main unit

01 to 50

Sub unit

Main re-

101 to

mote con-

150

troller

Sub

151 to

remote

200

controller

01 to 50

51 to 100

OS1

OS2

Same as 2-7-1

Group operation of indoor units

Same as 2-7-1

4) ME remote controller wiring

Same as 2-8-1

When 2 remote controllers are connected to the sys-

tem

Same as 2-7-1

Group operation of indoor units

Same as 2-7-1

5) LOSSNAY connection

Same as 2-7-4

6) Switch setting

Address setting is required as follows.

Setting method

Assign the smallest address

Assign an address smaller

to the main unit in the group.

Assign sequential num-

Enter the same indoor unit

bers starting with the ad-

dress of the main unit in

the same group +1. (Main

unit address +1, main unit

address +2, main unit ad-

To perform a group operation

dress +3, etc.)

Settings to be made ac-

cording to the remote con-

troller function selection

Assign the smallest ad-

Enter the indoor unit group

dress to the main unit in

the group.

Assign an address larger than

Assign sequential num-

bers starting with the ad-

To perform a group operation

dress of the main unit in

the same group +1. (Main

unit address +1, main unit

address +2, main unit ad-

dress +3, etc.)

Add 100 to the main unit

It is not necessary to set

address in the group.

To set the address to 200,

Add 150 to the main unit

address in the group.

Assign an arbitrary but

None of these addresses

unique address to each of

may overlap any of the in-

these units after assigning

door unit addresses.

an address to all indoor

units.

Assign sequential address

To set the address to 100,

to the outdoor units in the

set the rotary switches to 50.

same refrigerantcircuit.

The outdoor units are au-

tomatically designated as

OC, OS1, and OS2. (Note)

Factory

Notes

setting

than that of the indoor unit

that is connected to the ME

remote controller.

group settings on the system

controller as the ones that

were entered on the MA re-

mote controller.

of indoor units that have dif-

ferent functions, designate

the indoor unit in the group

with the greatest number of

functions as the main unit.

Main

settings on the system con-

troller (MELANS).

those of the indoor units that

are connected to the MA re-

mote controller.

of indoor units that have dif-

ferent functions, designate

the indoor unit in the group

with the greatest number of

functions as the main unit.

the 100s digit.

set the rotary switches to

00.

chapter 2 -

101

Table of Contents

Chapters

Troubleshooting

This manual is also suitable for:

Puhy-hp250ynw-a Puhy-hp400ysnw-a Puhy-hp500ysnw-a

Mitsubishi Electric PUHY-HP200YNW-A Service Handbook page 52

Chapters

Troubleshooting

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