HTW A60CGN8PLUS Manuel De L'utilisateur page 121

C.2 When unit detect voltage is 12VDC between CL and COM,
zone2 turn on according to climate temp curve. When unit
detect voltage is 0V between CL and COM, zone2 turn off.
C.3 When HT-COM and CL-COM are detected as 0VDC, unit
turn off.
C.4 when HT-COM and CL-COM are detected as 12VDC, both
zone1 and zone2 turn on.
NOTE
The wiring of the thermostat should correspond to the
settings of the user interface. Refer to ROOM
THERMOSTAT.
Power supply of machine and room thermostat must be
connected to the same Neutral Line .
When ROOM THERMOSTAT is not set to NON, the
indoor temperature sensor Ta can't be set to valid
Zone 2 can only operate in heating mode, When cooling
mode is set on user interface and zone1 is OFF,"CL" in
zone2 closes, system still keeps 'OFF'. While installation,
the wiring of thermostats for zone1 and zone2 must
be correct.
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.
7) For tank booster heater：
13 16
CN11
Power supply
7 5 3 1
A1
KM4
A2
NOTE
8 6 4 2
TCO
ATCO
Voltage
Maximum running current(A)
2
Wiring size(mm )
Control port signal type
NOTE
The unit only sends an ON/OFF signal to the
heater.
25 26 27 28
1 2 3 4 5
29 30 31 32
6 7 8 9 10
CN7 CN30
220-240VAC
0.2
0.75
Type 2
8) For additional heat source control：
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 1617 18 19 20
CN11
FUSE
L
Power supply
7 5 3 1
A1
KM6
A2
N
8 6 4 2
Additional heat source
Voltage
Maximum running current(A)
Wiring size(mm 2 )
Control port signal type
WARNING
This part only applies to Basic. For Customized, cause there
is an interval backup heater in the unit, the indoor unit
should not be connected to any additional heat sourceC
9) For defrosting signal output:
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 1617 18
CN11
DEFROSTING PROMPT SIGNAL
40
27 28
1 2 3 4 5
2122 23 24
6 7 8 9 10
CN7 CN30
220-240VAC
0.2
0.75
Type 2
1 2 3 4 5
19 20 31 32
2122 23 24
6 7 8 9 10
CN30
CN7