24
EN
ELECTRICAL CONNECTION
Installation
C65403161F
L1 PHASE SIGNAL
ALARM (NC)
EXTERNAL POWER SUPPLY
230VAC - 1PH - 50/60Hz
FIELD WIRING
WIRING CONNECTIONS
TO THERMOSTAT
FACTORY WIRING
CPU
RE
LA
Y
P
U
M
P
F
L
O
A
T
TRANSFORMER
RELAY
HEATING/COOLING VALVE
230VAC INPUT
2-PIPE/4-PIPE
N COMMON SIGNAL
HIGH FAN SPEED
MEDIUM FAN SPEED
LOW FAN SPEED
RE
LA
Y
RE
LA
Y
RE
LA
Y
X-DIS
AI1
CN2
CN1
P
U
M
P
N
H
M
L
N
L
FUS
E
STEP.
MOTOR
1 + 2
YELLOW/GREEN
L
N
L
M
H
V
1
V
2
L
N
N
ALARM (NO)
BLACK
BLUE
ORANGE
BROWN
YELLOW
STEP.
MOTOR
3 + 4
HEATING VALVE
230VAC INPUT
4-PIPE ONLY
230VAC
SIGNAL INPUT
230VAC
POWER SUPPLY
ATTENTION
!
Bl
ue
Gree
n
Re
d
Oran
ge
Brow
n
Y
e
llow
N
1
2
3
4
5
M
DO NOT CONNECT NEUTRAL WIRE
(BLUE) TO OTHER TERMINAL
POSITIONS EXCEPT "N".
WRONG WIRING CONNECTION
COULD RESULT IN PCB OR
MOTOR FAILURE.
BLUE =
NEUTRAL
GREEN = LOWEST
RED = LOW
ORANGE = MEDIUM
BROWN = HIGH
YELLOW = HIGHEST
Ti2
Tr
Pre-wired sensor cable.
For use when connecting
to ~S FULL CONTROL
ATTENTION
!
C65403162F
EXTERNAL
POWER SUPPLY
230VAC - 1PH - 50/60Hz
L1 PHASE SIGNAL
WIRING CONNECTIONS
TO THERMOSTAT
AUTO ON/OFF SIGNAL
230VAC INPUT
FIELD WIRING
FACTORY WIRING
S3
S4
R
E
L
A
Y
BLDC
ECM
H
V
G
N
D
V
C
C
V
S
P
F
G
F
L
O
A
T
1
N
2
PU
M
P
JP2
PUMP
CN 2
AI1
JP3
CN 4
X-DIS
TTL
+
-
-
+
BLACK
BLUE
YELLOW/
GREEN
YELLOW
BROWN
ORANGE
CN1
ALARM (NC)
GREY
RED
GREEN
S1
LOW VOLTAGE
MODULATING SIGNAL
0-5VDC/0-10VDC
(S1 CLOSED = 0-10VDC)
L
M
H
AUTO
N
CPU
N
L
ALARM SIGNAL (NC)
N
L
HEATING/COOLING VALVE
230VAC INPUT
2-PIPE/4-PIPE
N COMMON SIGNAL
HIGH FAN SPEED
MEDIUM FAN SPEED
LOW FAN SPEED
HEATING VALVE
230VAC INPUT
4-PIPE ONLY
230VAC
SIGNAL
INPUT
230VAC
POWER SUPPLY
R
E
L
A
Y
R
E
L
A
Y
F
L
O
A
T
2
STEP.
MOTOR
1 + 2
STEP.
MOTOR
3 + 4
L
N
L
M
H
V1
V2
N
Ti2
Tr
Pre-wired sensor cable.
For use when connecting
to ~S FULL CONTROL
ATTENTION
!
a-CHD 606÷2209
i-CHD 706÷2209
