Installing The Outdoor Unit - Mitsubishi Electric City Multi PUMY-P250YBM Installation Manual

2. Installation location
Fig. 2-16
en
3. Installing the outdoor unit
A
B
600
Min. 25
7
A
Fig. 2-17
A Air protect guide
B Wind direction
B
Fig. 2-18
A
A
D
C
A M10 (3/8") bolt
B Base
C As long as possible.
D Vent
E Set deep in the ground
Min. 475 600
220 230
1050
Fig. 3-1
2.7.3. Windy location installation
When installing the outdoor unit on a rooftop or other location unprotected from the
wind, situate the air outlet of the unit so that it is not directly exposed to strong winds.
Strong wind entering the air outlet may impede the normal airflow and a malfunction
may result.
The following shows three examples of precautions against strong winds.
1 Face the air outlet towards the nearest available wall about 50 cm away from the
wall. (Fig. 2-16)
2 Install an optional air protect guide if the unit is installed in a location where strong
winds from a typhoon, etc. may directly enter the air outlet. (Fig. 2-17)
3 Position the unit so that the air outlet blows perpendicularly to the seasonal wind
direction, if possible. (Fig. 2-18)
(mm) • Be sure to install the unit in a sturdy, level surface to prevent rattling noises dur-
ing operation. (Fig. 3-1)
<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.
• S ecure the base of the unit firmly with four-M10 foundation bolts in sturdy loca-
E
tions.
Installing the outdoor unit
• Do not block the vent. If the vent is blocked, operation will be hindered and break-
down may result.
• 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:
• T he unit must be securely installed on a structure that can sustain its
weight.
I f the unit is mounted on an unstable structure, it may fall down and cause
damage or injuries.
• T he unit must be installed according to the instructions in order to mini-
mize the risk of damage from earthquakes, typhoons, or strong winds. An
incorrectly installed unit may fall down and cause damage or injuries.
Caution:
• I nstall the unit on a rigid structure to prevent excessive operation sound or
vibration.
M10
120 mm
70 mm
320 kg