EAS Electric ETH-80VM, Installation & Owner'S Manual

Page: 124 / 199

35
A B X Y E
1 2 3 4 5
XT6
A
B
X
Y
E
COMMUNICATION
Wire section
Maximum wire length
Wire type
AWG18-AWG16(0.75~1.25mm
2
)
50m
5 wire shielded cable
Procedure
1. Remove the rear part of the user interface.
2. Connect the cable to the appropriate terminals as shown in
the picture
3. Reattach the rear part of the user interface
Procedure
1. Connect the cable to the appropriate terminals as shown on the
picture
2. Fix the cable with cable ties to the cable tie mountings to ensure
strain relief
For boiler and outside circulation pump P_o:
For user interface:
As described above, during wiring, port A in the unit terminal XT6
corresponds to port A in the user interface. Port B corresponds to
port B. Port X corresponds to port X. Port Y corresponds to port Y,
and port E corresponds to port E..
“PLEASE USE SHIELDED WIRE AND EARTH THE WIRE.”
Procedure
1. Connect the cable to the appropriate terminals as shown on the
picture
2. Fix the cable with cable ties to the cable tie mountings to ensure
stress relief.
PUMP_O
CONTROL SIGNAL OUTPUT
P_o N
8
9
IBH1
IBH1
CONTROL SIGNAL OUTPUT
H1 N
31 39
IBH2
IBH2(reserved)
CONTROL SIGNAL OUTPUT
H2 N
32 39
For feedback switch signal input
（
5/7/9 kW unit only
，
reserved
）
:
Atco:auto reset thermal protector
It must be connected to thermal protector!
For external backup heater box(
（
5/7/9 kW unit only
）
)
IBH1/2 FEEDBACK INPUT
(SWITCH SIGNAL INPUT)
HBK1 HBK2
35 36
ATCO
This equipment supports MODBUS RTU communication protocol.
NOTE
ADDITIONAL HEAT SOURCE
CONTROL SIGNAL OUTPUT
AHS1 AHS2
27 28
For 5/7/9 kW unit
，
the
terminal number is 25
and 26.
NOTE
FUSE
DEFROSTING
PROMPT SIGNAL
33 34
For defrosting signal output:
Maximum running current
Wiring size
Voltage 220~240VAC
0.2A
0.75mm
2
Type 2
Control port signal type
Maximum running current
Wiring size
Voltage 220~240VAC
0.2A
0.75mm
2
Type 2
Control port signal type
Maximum running current
Wiring size
Voltage 220~240VAC
0.2A
0.75mm
2
Type 1
Control port signal type
V.2