7 Finishing the outdoor unit installation
Installation manual
24
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620240-1 – 2020.06
Example:
Given are an ambient temperature of 25°C and a relative
humidity of 40%. If the leaving water evaporator temperature is
<12°C, condensation will occur.
Note:
See the psychrometric chart for more information.
To connect the bypass valve kit
The information in this topic supersedes that of the instruction sheet
delivered with the bypass valve kit.
Wires: 3×0.75 mm²
—
The components of the bypass valve kit are as follows. You only
need
B
and
D
.
A
B
C
D
1
Integrate components
B
and
D
as follows in the system:
B
D
FHL1
FHL2
FHL3
EKMBHBP1
B
D
Cu
A
18°C 0.25 m
0.5 m
0.1 m
0.2 m
Alpex
A
5°C
2
On the outdoor unit, connect
B
to the appropriate terminals as
shown in the illustration below.
X2M.4
X2M.3
N
Y
L
X2M.35
M4S
B
3
4
35
X2M
3
Fix the cable with cable ties to the cable tie mountings.
7
Finishing the outdoor unit
installation
7.1
To check the insulation resistance
of the compressor
NOTICE
If, after installation, refrigerant accumulates in the
compressor, the insulation resistance over the poles can
drop, but if it is at least 1 MΩ, then the unit will not break
down.
▪ Use a 500 V mega-tester when measuring insulation.
▪ Do not use a mega-tester for low-voltage circuits.
1
Measure the insulation resistance over the poles.
If
Then
≥1 MΩ
Insulation resistance is OK. This procedure
is finished.
<1 MΩ
Insulation resistance is not OK. Go to the
next step.
2
Turn ON the power and leave it on for 6 hours.
Result:
The compressor will heat up and evaporate any
refrigerant in the compressor.
3
Measure the insulation resistance again.
8
Configuration
INFORMATION
Heating is only applicable in case of reversible models.
8.1
Overview: Configuration
This chapter describes what you have to do and know to configure
the system after it is installed.
NOTICE
This chapter explains only the basic configuration. For
more detailed explanation and background information,
see the installer reference guide.