6 Installation
Installer and user reference guide
18
SERHQ020~0 SEHVX20~64BAW
Split packaged air-cooled water chiller
4P508020-1A – 2018.01
6.2.5
To open the electrical component box of
the indoor unit
NOTICE
Do NOT apply excessive force when opening the
electronic component box cover. Excessive force can
deform the cover, resulting in entering of water to cause
equipment failure.
1
4×
6.3
Mounting the outdoor unit
6.3.1
About mounting the outdoor unit
When
You have to mount the outdoor and indoor unit before you can
connect the refrigerant and water piping.
Typical workflow
Mounting the outdoor unit typically consists of the following stages:
1
Providing the installation structure.
2
Installing the outdoor unit.
3
Providing drainage.
6.3.2
Precautions when mounting the outdoor
unit
INFORMATION
Also read the precautions and requirements in the
following chapters:
▪ General safety precautions
▪ Preparation
6.3.3
To provide the installation structure
Make sure the unit is installed level on a sufficiently strong base to
prevent vibration and noise.
NOTICE
▪ When the installation height of the unit needs to be
increased, do NOT use stands to only support the
corners.
▪ Stands under the unit must be at least 100 mm wide.
X
Not allowed
O
Allowed
▪ The height of the foundation must at least be 150 mm from the
floor. In heavy snowfall areas, this height should be increased,
depending on the installation place and condition.
▪ The preferred installation is on a solid longitudinal foundation
(steel beam frame or concrete).
722-737
≥
67
≥
67
765
67
67
A
B
Minimum foundation
Outdoor unit
A
B
SERHQ020
930
792
SERHQ032
1240
1102
▪ Fasten the unit in place using four foundation bolts M12. It is best
to screw in the foundation bolts until their length remains 20 mm
above the foundation surface.
20 mm
6.3.4
To provide drainage
NOTICE
▪ Prepare a water drainage channel around the
foundation to drain waste water from around the unit.
▪ If the unit is to be installed on a roof, check the strength
of the roof and its drainage facilities first.
▪ If the unit is to be installed on a frame, install the
waterproofing board within a distance of 150 mm under
the unit in order to prevent infiltration of water coming
from under the unit.
▪ When installed in a corrosive environment, use a nut
with plastic washer (a) to protect the nut tightening part
from rust.
a
6.4
Mounting the indoor unit
6.4.1
About mounting the indoor unit
When
You have to mount the outdoor and indoor unit before you can
connect the refrigerant and water piping.
Typical workflow
Mounting the indoor unit typically consists of the following stages:
1
Providing the installation structure.
2
Installing the indoor unit.
