Installing The Outdoor Unit - Mitsubishi Electric PUZ-WZ50VAA Manual

4. Installing the outdoor unit

A
B
600 Min. 500
Min. 50
Fig. 4-1
C
D
A: M10 (3/8") bolt
B: Base
C: As long as possible.
D: Set deep in the ground
600
225 225
1050
(mm) • Be sure to install the unit in a sturdy, level surface to prevent rattling noises during
operation. (Fig. 4-1)
<Foundation specifications>
Foundation bolt
Thickness of concrete
Length of bolt
Weight-bearing capacity
• Make sure that the length of the foundation bolt is within 30 mm of the bottom
surface of the base.
• Secure the base of the unit firmly with four-M10 foundation bolts in sturdy loca-
tions.
Installing the outdoor unit
• In addition to the unit base, use the installation holes on the back of the unit to
attach wires, etc., if necessary to install the unit. Use self-tapping screws (ø5 × 15
mm or less) and install on site.
WARNING:
• The unit must be securely installed on a structure
that can sustain its weight. If the unit is mounted on
an unstable structure, it may fall down and cause
damage or injuries.
• The unit must be installed according to the instruc-
tions in order to minimize the risk of damage from
earthquakes, typhoons, or strong winds. An incor-
rectly installed unit may fall down and cause dam-
age or injuries.
• Be sure to install the unit according to section
"2. Installation location and 3. Protective zone".
• There must be no ignition sources in the protective
zone.
• Take care that the tools used and work clothes do
not become a source of ignition.
• The area shall be checked by the installer for refrig-
erant leak with a refrigerant detector prior to and
during work in the protective zone.
• In the event of refrigerant leakage, to do as follows:
- Evacuate any people from the danger zone.
- From a safe position, switch off the electricity supply
for all system components.
- Remove ignition sources from the danger zone.
- Do not operate the unit until repairs are completed.
• Wear protective equipment when touching the bot-
tom of the outdoor unit.
Failure to do so could cause injuries.
CAUTION:
• Install be unit on a rigid structure to prevent excessive
operation sound or vibration.
M10 (3/8")
120 mm
70 mm
320 kg
17
en