Before Starting The Test Run; Installation Location - Mitsubishi Mr.Slim PUHZ-RP200YHA Manual De Instalación

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1. Safety precautions
1.3. Before electric work
Caution:
• Be sure to install circuit breakers. If not installed, electric shock may result.
• For the power lines, use standard cables of sufficient capacity. Otherwise, a
short circuit, overheating, or fire may result.
• When installing the power lines, do not apply tension to the cables. If the
connections are loosened, the cables can snap or break and overheating or
fire may result.

1.4. Before starting the test run

Caution:
• Before starting operation, check that all panels, guards and other protective
parts are correctly installed. Rotating, hot, or high voltage parts can cause
injuries.
• Do not touch any switch with wet hands. Electric shock may result.
• Do not touch the refrigerant pipes with bare hands during operation. The
refrigerant pipes are hot or cold depending on the condition of the flowing
refrigerant. If you touch the pipes, burns or frostbite may result.
1.5. Using R410A refrigerant air conditioners
Caution:
• Use C1220 copper phosphorus, for copper and copper alloy seamless pipes,
to connect the refrigerant pipes. Make sure the insides of the pipes are clean
and do not contain any harmful contaminants such as sulfuric compounds,
oxidants, debris, or dust. Use pipes with the specified thickness. (Refer to
page 7) Note the following if reusing existing pipes that carried R22 refriger-
ant.
• Do not use OL material for the ø22.2 pipes.
- Replace the existing flare nuts and flare the flared sections again.
- Do not use thin pipes. (Refer to page 7)
• Store the pipes to be used during installation indoors and keep both ends of
the pipes sealed until just before brazing. (Leave elbow joints, etc. in their
packaging.) If dust, debris, or moisture enters the refrigerant lines, oil dete-
rioration or compressor breakdown may result.
• Use ester oil, ether oil, alkylbenzene oil (small amount) as the refrigeration oil
applied to the flared sections. If mineral oil is mixed in the refrigeration oil, oil
deterioration may result.
1
Fig. 1-1

2. Installation location

E
C
Fig. 2-1
Fig. 2-2
2
B
F
D
A
• Be sure to ground the unit. Do not connect the ground wire to gas or water
pipes, lighting rods, or telephone grounding lines. If the unit is not properly
grounded, electric shock may result.
• Use circuit breakers (ground fault interrupter, isolating switch (+B fuse), and
molded case circuit breaker) with the specified capacity. If the circuit breaker
capacity is larger than the specified capacity, breakdown or fire may result.
• After stopping operation, be sure to wait at least five minutes before turning
off the main power switch. Otherwise, water leakage or breakdown may re-
sult.
• Do not use refrigerant other than R410A refrigerant. If another refrigerant is
used, the chlorine will cause the oil to deteriorate.
• Use the following tools specifically designed for use with R410A refrigerant.
The following tools are necessary to use R410A refrigerant. Contact your
nearest dealer for any questions.
Gauge manifold
Charge hose
Gas leak detector
Torque wrench
Safety chager
• Be sure to use the correct tools. If dust, debris, or moisture enters the refrig-
erant lines, refrigeration oil deterioration may result.
• Do not use a charging cylinder. If a charging cylinder is used, the composi-
tion of the refrigerant will change and the efficiency will be lowered.
1.6. Accessories of outdoor unit (Fig. 1-1)
The parts show in the left are the accessories of this unit, which are affixed to the
inside of the service panel.
1 Flange joint ... ×1
2 Packing ......... ×1
2.1. Refrigerant pipe (Fig. 2-1)
s Check that the difference between the heights of the indoor and outdoor
units, the length of refrigerant pipe, and the number of bends in the pipe are
within the limits shown below.
A Pipe size (mm)
Models
Gas side Liquid side
RP200
ø25.4
ø9.52
RP250
ø28.58
ø12.7
• Height difference limitations are binding regardless of which unit, indoor or outdoor,
is positioned higher.
E Indoor unit
F Outdoor unit
(mm)
2.2. Choosing the outdoor unit installation location
• Avoid locations exposed to direct sunlight or other sources of heat.
• Select a location from which noise emitted by the unit will not inconvenience
neighbors.
• Avoid locations where the unit will be exposed to strong winds.
• Select a location permitting easy wiring and pipe access to the power source and
indoor unit.
• Avoid locations where combustible gases may leak, be produced, flow, or accumulate.
• Note that water may drain from the unit during operation.
• Select a level location that can bear the weight and vibration of the unit.
• Avoid locations where the unit can be covered by snow. In areas where heavy snow
fall is anticipated, special precautions such as raising the installation location or
installing a hood on the air intake and air outlet must be taken to prevent the snow
from blocking the air intake or blowing directly against it. This can reduce the airflow
and a malfunction may result.
• Avoid locations exposed to oil, steam, or sulfuric gas.
2.3. Outline dimensions (Outdoor unit) (Fig. 2-2)
Tools (for R410A)
Flare tool
Size adjustment gauge
Vacuum pump adapter
Electronic refrigerant charging scale
B Pipe length
C Height
D Number of
(one way)
difference
bends (one way)
Max. 80 m
Max. 40 m
Max. 80 m
Max. 40 m
Max. of 15
Max. of 15
3

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