Mitsubishi Heavy Industries SRK60ZSX-S Technical Manual page 32

2. OUTDOOR UNIT INSTALLATION
1. Haulage
• Always carry or move the unit with two or more persons.
• The right hand side of the unit as viewed from the front
(outlet side) is heavier.
A person carrying the right hand side must take care of
this fact. A person carrying the left hand side must hold the
handle provided on the front panel of the unit with his right
hand and the corner column section of the unit with his left
hand.
CAUTION
When a unit is hauled, take care of its gravity center position which is shifted towards right hand side.
If the unit is not hauled properly, it can go off balance and fall resulting in serious injury.
2. Selecting the installation location
Select the suitable installation location where:
• Unit will be stable, horizontal and free of any vibration transmission.
• There is no obstacle which can prevent smooth air circulation from inlet and outlet side of the unit.
• There is enough space for service and maintenance of unit.
• Neighbours are not bothered by noise or air generating from the unit.
• Outlet air of the unit does not blow directly to animals or plants.
• Drain water can be discharged properly.
• T here is no risk of flammable gas leakage.
• There are no other heat sources nearby.
• Unit is not directly exposed to rain or sunlight.
• Unit is not directly exposed to oil mist and steam.
• Chemical substances like ammonia (organic fertilizer), calcium chloride (snow melting agent) and acid
(sulfurous acid etc.), which can harm the unit, will not generate or accumulate.
• Unit is not directly exposed to corrosive gases (like sulphide gas, chloride gas), sea breeze or salty
atmosphere.
• No TV set or radio receiver is placed within 1m.
• Unit is not affected by electromagnetic waves and/or high-harmonic waves generated by other equip-
ments.
• Strong wind does not blow against the unit outlet.
• Heavy snowfalls do not occur (If installed, provide proper protection to avoid snow accumulation).
NOTE
If the unit is installed in the area where there is a possibility of strong wind or snow accumulation, the fol-
lowing measures are required.
(1) Location of strong wind
• Place the unit with its outlet side facing the wall.
Over 500mm
(2) Location of snow accumulation
• Install the unit on the base so that the bottom is higher than snow cover surface.
• Install the unit under eaves or provide the roof on site.
3. PREPARATION FOR WORK
1. Removing service cover
Remove the screw. Slide service cover downwards and remove it.
Heavy
• Place the unit such that the direction of air
from the outlet gets perpendicular to the wind
direction.
Wind
direction
Wind
direction
Screw
Service cover
-
3. Installation space
• There must be 1 meter or larger space between the unit and the wall in at least 1 of the 4 sides.
Walls surrounding the unit from 4 sides is not acceptable. The wall height on the outlet side should
be 1200 mm or less. Refer to the following figure and table for details.
L3
Inlet
( Service
)
L2
space
L4
Inlet
Outlet
L1
NOTE
When more than one unit are installed side by side, provide a 250mm or wider interval between them
as a service space.
CAUTION
When more than one unit are installed in parallel directions, provide sufficient inlet space so that
short-circuiting may not occur.
4. Drain piping work (If necessary)
Carry out drain piping work by using a drain elbow and a drain grommet supplied separately as acces-
sories if condensed water needs to be drained out.
(1) Install drain elbow and drain grommet.
(2) Seal around the drain elbow and drain grommet with putty or adequate caulking material.
<SRC20/25/35/40/50/60ZSX-S>
<SRC20/25/35ZSX-SA>
5. Installation
• I nstall the unit on a flat level base.
• W hile installing the unit, keep space and fix the unit's legs with 4 anchor bolts as shown in the figure
below. The protrusion of an anchor bolt from the foundation surface must be kept within 15mm.
200 mm over
If drain piping work was carried
out keep the clearance more
510 mm
than 100mm.
CAUTION
• Install the unit properly so that it does not fall over during earthquake, strong wind, etc.
• Make sure that unit is installed on a flat level base. Installing unit on uneven base may result in unit
malfunction.
2. Removing terminal cover
Remove the screw and take out terminal cover.
31
-
'17 • SRK-T-203
Example installation
I II
Size
L1 Open 280
L2 100 75
L3 100 80
L4 250 Open
Do not put a grommet on this hole.
This is a supplementary drain hole to discharge
drain water, when a large amount of it is gathered.
CAUTION
Do not use drain elbow and drain grommet if there
is a possibility to have several consecutive days
of sub zero temperature. (There is a risk of drain
water freezing inside and blocking the drain.)
Do not block the drain holes when installing the
outdoor unit.
Anchor bolt (M10-12) ×4 pcs
313 mm
Screw
Terminal cover
(mm)
III IV
280 180
Open Open
80 80
250 Open