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UNITS INSTALLATION
6 UNITS INSTALLATION
Mount the outdoor unit in a shady location or where it will not
be exposed to direct sunlight, or to high temperatures. Check to
ensure that the foundation is flat, level and sufficiently strong.
When installing the unit on a roof or a veranda, drain water
sometimes turns to ice on a cold morning. Therefore, avoid
draining in an area that people often use because it is slippery.
Do not install the outdoor unit in a space where a seasonal wind
directly blows to the outdoor fan.
When installing the outdoor unit in areas covered by snow,
mount the covers supplied by the fitter on the top of the unit and
on the heat exchanger inlet side.
Do not install the outdoor unit in zones where dust or
contamination could block the outside heat exchanger.
Do not install the outdoor unit in areas with a high air content of
oil, saline atmospheres or aggressive gases such as sulphur.
Mount the outdoor unit so that noises and the discharge of
air from the unit will not bother neighbours or the surrounding
environment. In a restricted area not accessible by the general
public.
7 NAME OF PARTS
7.1 RAS-(4-6)FSvNME / RAS-(4-6)FSNME
Nº
Part Name
1
Compressor
2
Crankcase heater
3
Stop valve for liquid line
4
Stop valve for gas line
5
Low pressure sensor
6
High pressure sensor
7
High pressure switch for protection
7.2 RAS-(8-12)FSXNME
Nº
Part Name
1
Compressor
2
Crankcase heater (3 pcs)
3
Stop valve for liquid line
4
Stop valve for gas line (Low)
5
Stop valve for gas line (High / Low)
6
Low pressure sensor
7
High pressure sensor
8
High-pressure switch for protection
22
PMML0511 rev.1 - 06/2019
!
•
•
•
•
•
Nº
Part Name
8
Check valve
9
Solenoid valve
10
Check joint
11
Strainer
12
Reversing valve
13
Accumulator
14
Micro-computer control expansion valve
Nº
Part Name
9
Check valve
10
Solenoid valve (SVG,SVA)
11
Reversing valve (RVR
RVR
1
12
Check joint (low)
13
Check joint (high)
14
Check joint (for oil)
15
Accumulator
16
Micro-computer control expansion valve (
C A U T I O N
It should also be a well-ventilated spot, enclosed space may cause
explosion or fire.
For cleaning, use noninflammable and nontoxic cleaning liquid.
Toxic gas may be produced when cleaning agent is heated to high
temperature by, e.g., being exposed to fire. Cleaning liquid shall be
collected after cleaning.
Install the outdoor unit with sufficient clearance around it for operation
and maintenance as shown in the next figures, avoid obstacles that
may hamper air intake.
Pay attention not to clamp cables when attaching the service cover to
avoid electric shock or fire.
Aluminium fins have very sharp edges. Pay attention to the fins to
avoid injury.
Nº
15
Electrical control box (different for 1ph/3ph)
16
Air inlet
17
Air outlet
18
Fan propeller
19
Fan motor
20
Heat exchanger
21
Oil separator
Nº
17
18
)
19
2
20
21
22
23
MV
MV
)
-
B,
1
Part Name
Part Name
Electrical control box
Air inlet
Air outlet
Fan propeller
Fan motor
Heat exchanger
Oil separator
Strainer (not shown)
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