Drainage Piping Work - Mitsubishi Electric ecodan PUHZ-W50VHA2 User Manual

at a higher position or installing a hood on the air intake. This can
reduce the airflow and the unit may not operate properly. at a higher position or installing a hood on the air intake. This can
reduce the airflow and the unit may not operate properly.
Avoid locations where the unit is exposed to oil, steam or
Avoid locations where the unit is exposed to oil, steam or
sulphuric gas.
sulphuric gas.
Make sure to hold the handles to transport the unit. Do not hold
Make sure to hold the handles to transport the unit. Do not hold
the base of the unit, as there is a risk that hands or fingers may be
the base of the unit, as there is a risk that hands or fingers may be
trapped.
trapped.
WINDY LOCATION INSTALLATION:
WINDY LOCATION INSTALLATION:
When installing the outdoor unit on a rooftop or other location where
When installing the outdoor unit on a rooftop or other location where
the unit is exposed to strong wind, do not face the air outlet of the unit
the unit is exposed to strong wind, do not face the air outlet of the unit
directly into the winds. Strong wind entering the air outlet may impede
directly into the winds. Strong wind entering the air outlet may impede
the normal airflow and it may result in a malfunction.
the normal airflow and it may result in a malfunction.
The following (Fig.3.1) shows three examples of precautions against
The following (Fig.3.1) shows three examples of precautions against
strong winds.
strong winds.
1. Face the air outlet towards the nearest available wall keeping
1. Face the air outlet towards the nearest available wall keeping
about 50cm distance
about 50cm distance
2. Install an operational air guide if the unit is installed in a location
2. Install an operational air guide if the unit is installed in a location
where strong winds such as a typhoon , etc, may directly blow to
where strong winds such as a typhoon , etc, may directly blow to
the air outlet.
the air outlet.
3. Position the unit so that the outlet air can blow at a right angle to
3. Position the unit so that the outlet air can blow at a right angle to
the seasonal wind direction, if possible.
the seasonal wind direction, if possible.
NECESSARY SPACE TO INSTALL:
NECESSARY SPACE TO INSTALL:
When installing a single outdoor unit (refer to page 23)
When installing a single outdoor unit (refer to page 23)
When installing multiple outdoor units (refer to page 23)
When installing multiple outdoor units (refer to page 23)
Installation Procedure
Installation Procedure
Be sure to install the unit on a solid, level surface to prevent
Be sure to install the unit on a solid, level surface to prevent
rattling noises during operation.
rattling noises during operation.
Make sure that the length of the foundation bolt is within
Make sure that the length of the foundation bolt is within
30mm from the surface of the base.
30mm from the surface of the base.
Secure the base of the unit firmly with 4 M10 foundation
Secure the base of the unit firmly with 4 M10 foundation
bolts in solid locations.
bolts in solid locations.
INSTALLING THE OUTDOOR UNIT:
INSTALLING THE OUTDOOR UNIT:
Do not block the vent. If the vent is blocked, operation
Do not block the vent. If the vent is blocked, operation
will be hindered and the unit may breakdown.
will be hindered and the unit may breakdown.
If additional fixation of the unit is necessary, use the
If additional fixation of the unit is necessary, use the
installation holes on the back of the unit to attach wires,
installation holes on the back of the unit to attach wires,
etc, with self-tapping screws (Ø5 x 15mm or less).
etc, with self-tapping screws (Ø5 x 15mm or less).
WARNING:
WARNING:
The unit must be securely installed on a structure that can
The unit must be securely installed on a structure that can
sustain its weight. If the unit is mounted on an unstable
sustain its weight. If the unit is mounted on an unstable
structure, it may fall down and cause damage or injuries.
structure, it may fall down and cause damage or injuries.
The unit must be installed according to the instructions in
The unit must be installed according to the instructions in
order to minimise the risk of damage by earthquakes,
order to minimise the risk of damage by earthquakes,
typhoons, or strong winds. An improperly installed unit
may fall down and cause damage or injuries. typhoons, or strong winds. An improperly installed unit
may fall down and cause damage or injuries.

Drainage Piping Work

Drainage Piping Work
Outdoor unit pipe connection
Outdoor unit pipe connection
When drain piping is necessary, use the drain socket or the drain pan (option)
When drain piping is necessary, use the drain socket or the drain pan (option)
*There is no optional drain pan for the PUHZ-HW140VHA(2)-BS/ YHA(2)-BS.
*There is no optional drain pan for the PUHZ-HW140VHA(2)-BS/ YHA(2)-BS.
26
INSTALLATION: OUTDOOR UNIT
INSTALLATION: OUTDOOR UNIT
Foundation Specification
Foundation Specification
Foundation bolt
Foundation bolt
Thickness of concrete
Thickness of concrete
Length of bolt
Length of bolt
Weight-bearing capacity
Weight-bearing capacity
Optional parts name
Optional parts name
Drain socket
Drain socket
Drain pan for 50/85
Drain pan for 50/85
25
Fig. 3.1
Fig. 3.1
120mm
120mm
70mm
70mm
320kg
320kg
Table 1.3
Table 1.3
Fig. 3.2
Fig. 3.2
Model name
Model name
PAC-SG61DS-E
PAC-SG61DS-E
PAC-SG64DP-E
PAC-SG64DP-E
Table 1.4
Table 1.4