PTAC Service Manual

Service Manual
Installation and Maintenance
67
8. Installation
Installation Precaution
ƹ
Please follow the local electrical codes and
ordinances.
Do not use damaged power cords or cords that do not
comply with standards.
ƹ
Pay attention to safety during installation and
maintenance. Please comply with the operation
standards, otherwise it may cause electric shock,
dropping, injury or even death.
Select a location
Basic requirements:
Installing the unit in the following places may cause
malfunctions. If it is unavoidable, please consult local dealer.
1. Places near strong heat sources, vapors, fl ammable or
explosive gas, or places where volatile material spreads in the
air.
2. Places with high-frequency devices(e.g. welding machine,
medical equipment)
3. Costal area
4. Places with oil or fumes in the air.
5. Places with sulfureted gas.
6. Other places with special circumstances.
Requirements for the Unit:
1. Air inlet and air outlet are away from obstacles.
2. Select a location where the drainage water can be dispersed
easily and won't affect other people.
3. The location should be able to withstand the weight of the
whole unit and won't increase noise and vibration.
4. Select a location where the noise and outfl ow air will not
affect neighborhood.
5. The location should be able to withstand the weight of the
unit.
6. Select a location which is out of children's reach and far
away from animals and plants. If it is unavoidable, please add
fence for safety purpose.
7. Keep the unit away from fl uorescence lamp.
Requirements for Electric Connection
Safety Precaution
1. Must follow the electrical safety regulations during
installation.
2. Use qualifi ed power supply circuit and air switch according
to local safety regulations.
3. The air switch must have the functions of magnetic tripping
and heat tripping in order to prevent short circuit or overload.
4. Make sure the power supply matches with the requirements
of air conditioner. Unstable power supply or incorrect wiring
may lead to electric shock, fi re hazard or malfunctions. Please
contact qualifi ed electricians for service before using the air
conditioner.
5. Please properly connect the live wire, neutral wire and
ground wire of power socket.
6. Be sure to cut off the power supply before proceeding any
work related to electrical safety.
7. Do not connect the power before the installation is fi nished.
8. The air conditioner is I class electrical appliance. It must
be properly grounded with specialized grounding device
by a professional. Please make sure it is always effectively
Warning
grounded, otherwise it may cause electric shock.
9. The yellow-green wire or green wire of the air conditioner is
grounding wire, which can't be used for other purposes.
10. The grounding resistance should comply with national
electrical safety regulations.
Installation Location
The location should be away from electric wire and pipe line.
Be sure there's no obstacle inside and outside the wall.
Note:
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The air conditioner does not come with any accessory. If
necessary, please contact local dealer.
ƹ
If more than one accessory is to be used, use the maximum
dimension.
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If wall thickness is over 13¾-(A+¼), a sleeve extension
must be used. (Contact local dealer if necessary)
Prepare Wall Openings
1. Generally, wall opening should be prepared during
construction.(Wall sleeve is modular in fi xed dimension. Please
prepare the wall opening according to the table below.)
Note: Wall sleeve can't be used to support the unit. Therefore,
please do not try to use wall sleeve as a bearer when
preparing the wall opening.
2.For existing construction, wall opening must be made. Wall
openings of the proper dimensions are essential to avoid the
necessity of fi lers or additional framing.
13¾ "
(35 cm)
A
B
wall
2"min
2"min
Note: select a location where the power cord can
be easily connected to the power socket.
¼" (6.4 mm) ¼" (6.4 mm) ---
1¾" (4.5 cm) 3½" (8.9cm) 5" (12.7cm)
¾" (1.9 cm) ¼" (6.4 mm) ---
A
(Min distance
from wall)
B (Distance from ground)
min maxAccessories
Dimension
No accessories
With Sub-base
With ventilation duct
16
1/4"
Min.
42
1/4"
Min.
Size of the Hole