Specifications

CNTR-80
CONTROLLER (Feb. 2009)
CONTROLLER
DATA U4
4. SYSTEM COMPONENT
S-Series
(1) Step demand and Silent mode (Night mode) (CN3D) (2) Silent mode (Night mode) (CN3D + DipSW8-1 OFF)
(3) System changeover (CN3N)
SW1 : Cooling / Heating
SW2 : Validity / Invalidity of X
X, Y : Relay
X
CN3D
Preparations
in the field
Maximum cable
length is 10m
Adapter *2
Outdoor unit
control board
2
3
1
X : Relay
: The sound pressure level is reduced by controlling
-Note-
The sound pressure level cannot be reduced, when neither the
Contact rating voltage >= 15VDC
Contact rating current >= 0.1A
Minimum applicable load =< 1mA at DC
*2. Optional part : PAC-715AD or field supply.
Contact rating voltage >= 15VDC
Contact rating current >= 0.1A
Minimum applicable load =< 1mA at DC
Silent mode
(Night mode)
CN3N
X
Y
Relay circuit
Relay circuit
Relay circuit
Adapter *2
Outdoor unit
control board
Preparations
in the field
Maximum cable
length is 10m
1
2
3
Y
X
CN3D
Preparations
in the field
Maximum cable
length is 10m
OFF
100%
0%
ON
75%
50%
Y
OFF
ON
X
*They are rough values.
DipSW8-1 ON (Step demand only)
Adapter *2
Outdoor unit
control board
3
2
1
Compressor
ON/OFF
Y
OPEN
SHORT
ON
OFF
DipSW8-1 OFF
(Compressor ON/OFF and Silent mode [Night mode)
Low noise mode
X
OPEN
SHORT
OFF
ON
OFF
Cooling
ON
Heating
Normal
Y
OFF
ON
X
*2. Optional part : PAC715AD or field supply.
*2. Optional part : PAC-715AD or field supply.
X,Y : Relay
Contact rating voltage >= 15VDC
Contact rating current >= 0.1A
Minimum appicable load =< 1mA at DC
the maximum fan frequency and compressor frequency.
fan frequency nor the compressor frequency are maximum.