Installation; Service Space - Mitsubishi Electric CITY MULTI PQHY-P-ZLMU-A1 Manuel D'installation

7. Installation

7.1. Installation
[Fig. 7.1.1] (P.2)
A
B
Check that the installation leg corners are securely supported to ensure that
the legs do not bend.
C
Check that the installation leg corners are securely supported.
strong winds.
Vibration may be transmitted to the installation area and noise and vibration
8. Water pipe installation
8.1. Precautions during installation
maintenance, checkup, and replacement.
To protect the heat source unit, install a strainer on the circulating water inlet
Use a sleeve to protect the pipes at the point where they go through a wall.
pipes against breakage and bending.
water pipes, power source and transmission wires access holes should be
For installing two units, install water pipes in parallel to each other so that the
1
2
thread.
3
end.
unit side in place.
connection.
24
Warning:
Install the unit in a location strong enough to withstand its weight.
Any lack of strength may cause unit to fall down, resulting in a
personal injury.
Have installation work in order to protect against strong winds and
earthquakes.
Improper installation may cause unit to fall down, resulting in a
personal injury.
wiring routes.

7.2. Service space

[Fig. 7.2.1] (P.2)
A
C
Example of heat source unit installation (using left piping)
[Fig. 8.1.1] (P.3)
A
Main circulating water pipe
C
E
G
In order to protect the unit, consider the water circuit design that uses the
System example of water circuit
[Fig. 8.1.2] (P.3)
A
Heat source unit
C
Flow Switch
E
Temperature gauge
G
I
K
Cooling tower
8.2. Insulation installation
there is no need to insulate the indoor piping. Insulation should be installed in
On any heat source piping.
On any drainage piping.
8.3. Water processing and water quality
control
the water circulation system.
Water Quality Processing
1
Regular water quality processing is recommended.
Cold water circulation systems using open heat storage tanks are
particularly prone to corrosion.
water supply tank is installed, keep air contact to a minimum, and keep
B Heat source unit
B
D
F
H
Drain pipe
B
Strainer
D
F
Pressure gauge
H
Pump
J
L
Heating tank