Mitsubishi Electric City Multi PFAV-P500VMH-E, Руководство по обслуживанию

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[
II
Restrictions ]
- 22 -
HWE07150 GB
Example of wiring connection
CN51
CN3S
CN51
X
Y
L
1
L
2
ecr
uo
s r
e
wo
p
p
ma
L
Distant control
board
Relay circuit Adapter 1
Outdoor unit
control board
Preparations
in the field
Maximum cable
length is 10m
5
4
3
X Y
L1 : Outdoor unit error display lamp
L2 : Compressor operation lamp (compressor running state)
X, Y : Relay (coil =<0.9W : DC12V)
1. Optional part : PAC-SC37SA-E or field supply.
2. Optional part : PAC-SC36NA-E or field supply.
X : Relay
Snow sensor : The outdoor fan runs when X is closed
in stop mode or thermostat mode.
X
CN3S
Preparations
in the field
Maximum cable
length is 10m
Adapter 2
Outdoor unit
control board
2
3
1
Contact rating voltage >= DC15V
Contact rating current >= 0.1A
Minimum applicable load =< 1mA at DC
Relay circuit
CN3D
2. Optional part : PAC-SC36NA-E or field supply.
X : Low-noise mode
X : Low-noise mode
Y : Compressor ON/OFF
X,Y : Relay Contact rating voltage >= DC15V
Contact rating current >= 0.1A
Minimum appicable load =< 1mA at DC
Y
X
CN3D
Preparations
in the field
Maximum cable
length is 10m
Adapter 2
Outdoor unit
control board
3
2
1
Relay circuit
2. Optional part : PAC-SC36NA-E or field supply.
X
CN3D
Preparations
in the field
Maximum cable
length is 10m
Adapter 2
Outdoor unit
control board
2
3
1
X : Relay
: The noise level is reduced by controlling the maximum
fan frequency and maximum compressor frequency.
Contact rating voltage >= DC15V
Contact rating current >= 0.1A
Minimum applicable load =< 1mA at DC
Low-noise mode
(Night mode)
Relay circuit