6 Electrical installation
Installation manual
23
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620240-1 – 2020.06
1 2 3 4 5
6 7 8 9 10
X3M
X15M
1 2
1 2
X5M
X15M
EKLBUHCB6W
A
B
HV
LV
A
Outdoor unit
B
Backup heater kit
HV
High voltage connections (backup heater thermal
pro backup heater connection)
LV
Low voltage connection (backup heater thermistor)
NOTICE
The distance between the high voltage and low voltage
cables should be at least 50 mm.
1
On the backup heater kit, connect the LV and HV cables to the
appropriate terminals as shown in the illustration below.
1
9
8
7
6
10
2
X15M
F1B
LV
HV
2
On the outdoor unit, connect the HV cable to the appropriate
terminals as shown in the illustration below.
6 7 8 9 10
X15M
X3M.1
X3M.2
X3M.3
X3M.4
X3M.5
EKLBUHCB6W
HV
1
2
3
4
5
X3M
3
On the outdoor unit, connect the LV cable to the appropriate
terminals as shown in the illustration below.
1 2
X15M
X5M.1
X5M.2
EKLBUHCB6W
LV
1 2
X5M
4
Fix the cables with cable ties to the cable tie mountings.
Bypass valve kit necessity
For reversible systems (cooling) in which an external
backup heater kit is installed, the installation of valve kit EKMBHBP1
is required if condensation is expected inside the backup heater.
7
10
13
16
19
22
25
28
31
7
10
13
16
19
22
25
28
31
20
23
26
29
32
A (°C)
A (°C)
B (°C DB)
A
Leaving water evaporator temperature
B
Dry-bulb temperature
Relative humidity 40%
Relative humidity 60%
Relative humidity 80%