Airwell Monobloc R32, Installation And Owner'S Manual

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48
9) For additional heat source control
：
For 5/7/9 kW unit
，
the terminal number is 25 and 26.
AHS1 AHS2
27 28
ADDITIONAL HEAT SOURCE
CONTROL SIGNAL OUTPUT
12) For external backup heater kit (optional)
(5/7/9kW unit only)
Control port signal type
Voltage
Maximum running current(A)
Wiring size(mm
2
)
Type 2
220-240VAC
0.2
0.75
10) For outside circulation pump P_o:
11) For feedback switch signal input(5/7/9
kW unit only, reserved):
Atco
：
auto reset thermal protector
It must be connected to thermal protector!
a) Procedure
Connect the cable to the appropriate terminals as
shown in the picture.
Fix the cable with cable ties to the cable tie mountings
to ensure stress relief.
Control port signal type
Voltage
Maximum running current(A)
Wiring size(mm
2
)
Type 2
220-240VAC
0.2
0.75
P_o N
8
9
PUMPO
CONTROL SIGNAL OUTPUT
IBH1/2 FEEDBACK INPUT
(SWITCH SIGNAL INPUT)
HBK1
35
36
HBK2
ATCO
RESERVED
H1 N
31 39
IBH1
CONTROL SIGNAL
OUTPUT
H2 N
32 39
IBH2
CONTROL SIGNAL
OUTPUT
E
13) For defrosting signal output:
DEFROSTING PROMPT SIGNAL
FUSE
33
DFT1 DFT2
34
L N
Control port signal type
Voltage
Maximum running current(A)
Wiring size(mm
2
)
Type 1
220-240VAC
0.2
0.75
14) For wired controller:
“PLEASE USE SHIELDED WIRE AND EARTH THE
WIRE.”
This equipment supports MODBUS RTU
communication protocol.
NOTE
Wire type
Wire section(mm
2
)
Maximum wire length(m)
5 wire shielded cable
0.75~1.25
50
A B X Y
1 2 3 4 5
XT6
COMMUNICATION
A B X Y E
1 2 3 4 5
MODBUS
E
A+
B-