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Specifications are subject to change without notice.
© 2017 Mitsubishi Electric US, Inc.
2. CN24RELAY-KIT-CM3 (Optional Parts) installation
The following section describes installation of the External Heater Adapter that connects to CITY MULTI air
conditioner R410A series indoor unit. This products is the special wiring parts to drive an electric heater with the
air conditioner.
(1) Parts list
•
Check that the following parts are included in the package.
1) External output cable.............................2 in total
Two types of cables with different connectors are included.
2) Panel heater connector..........................3 in total
White: 3
(2) Connection to the indoor unit
•
Use the cables that fit the connectors on the indoor unit control board.
1) External output cable
This cable is used to connect a relay circuit for an interlocked operation with either an electric or a panel
heater.Select the heater output pattern (1st =CN24-1 or 2nd = CN24-2) to use, and connect the cable to the
connector on the indoor unit control board that corresponds to the selection.
1) Panel heater connector
This connector is used to perform an interlocked operation with a panel heater. Depending on the indoor unit
control board specification, connect the cable to CN22 as appropriate
14
The following section describes installation of the External Heater Adapter that connects to PEA-A AA
series indoor unit. This products is the special wiring parts to
drive an electric heater wi
th the air conditioner.
(1) Parts list
Check that the following par
ts are included in the package.
1) External output cable (with a yellow connector).............................2 in total
Tw o types of cables with differen
t connectors are included.
2) Panel heater connector...........
...................................................
.... 3 in total
White: 1
Green: 2 (2 types)
(2) Connection to the indoor unit
Use the cables that fit the connectors on
the indoor unit control board.
1) External output cable (with a yellow connector)
This cable is used to connect a rela
y circuit for an interlocked operati
on with either an electric or a panel heater.
C onnect the cable to CN24 on the
indoor unit control board.
2) Panel heater co
nnector (with a white connector)
This connector is used to perform
an interlocked operation with a p
anel heater. Depending
on the indoor unit
control board specification
, connect the cable to CN4Y as appropriate
CN4Y for FAN control
(CN24RELAY-KIT-CM3)
<Image>
6-3. PAC-YU25HT (Optional Parts) installation
(3) Wiring
A basic connection method is shown below.
CN24
X
X
Remote control board
Relay circuit
Adapter
Indoor unit
control board
Elect
ric Heater
po
w
er source
Electric Heater
or panel
heater
Red
1
White 2
Preparations in the field
Maximum cable length
is 10 m (32ft)
White
White 1
(applicable only when a panel
heater is connected)
3
CN4Y
White
Summary of Contents for PVFY-P12 NAMU-E
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