7 Installation
Installer reference guide
43
EWAQ+005BAVP
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P492900-1 – 2017.06
X2M
X8M
X1M
A4P
1
2
3
4
5
6
11
12
S3P S2P S1P S4P
S3P
Connect to terminals X2M/1+2
S2P
Connect to terminals X2M/3+4
S1P
Connect to terminals X2M/5+6
S4P
Connect to terminals X2M/11+12
2
Fix the cable with cable ties to the cable tie mountings.
7.8.16
To connect the alarm output
INFORMATION
▪ Requires option box EK2CB07CAV3.
▪ To be connected to option box EK2CB07CAV3.
1
Connect the alarm output cable to the appropriate terminals as
shown in the illustration below.
X2M
X8M
X1M
A4P
15
13
2
Fix the cable with cable ties to the cable tie mountings.
7.8.17
To connect the space cooling/heating ON/
OFF output
INFORMATION
▪ Requires option box EK2CB07CAV3.
▪ To be connected to option box EK2CB07CAV3.
1
Connect the space cooling/heating ON/OFF output cable to the
appropriate terminals as shown in the illustration below.
X8M
X1M
1 2
2
Fix the cable with cable ties to the cable tie mountings.
7.8.18
To connect the changeover to external
heat source
INFORMATION
▪ Requires option box EK2CB07CAV3.
▪ To be connected to option box EK2CB07CAV3.
1
Connect the changeover to external heat source cable to the
appropriate terminals as shown in the illustration below.
X8M
X1M
L N
4
3
2
Fix the cable with cable ties to the cable tie mountings.
7.8.19
To connect the electrical wiring on the
backup heater
Routing
Cables
a
Low voltage
Interconnection cable (backup heater ther
backup heater thermal pro backup heater
connection)
b
High
voltage
Main power supply
1
Insert the wiring from the bottom of the backup heater.
2
Inside the backup heater, route the wiring as follows:
Backup heater
type
Routing
*3V
a
b
a
Low voltage wiring
b
High voltage wiring