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English
3. Overview of unit
3.1. Opening the unit
To gain access to the unit, front panels need to be opened as follows:
12x
12x
12x
Once the front panel open, the control box can be accessed by remov-
ing the control box cover as follows.
5x
For service purposes, the push buttons on the main printed circuit
board need to be accessed. To access these push buttons, the control
box cover does not need to be opened. See 13. Making field settings
on page 27.
DANGER: ELECTRICAL SHOCK
See Safety considerations on page i.
DANGER: DO NOT TOUCH PIPING AND INTERNAL PARTS
See Safety considerations on page i.
3.2.
Technical and Electrical specifications
Refer to the Engineering Data Book for the complete list of specifica
-
tions.
3.3. Main components
For main components and function of the main components, refer to
the Engineering Data Book.
4. Selecting an installation location
WARNING
Be sure to provide for adequate measures in order to prevent that the
unit is used as a shelter by small animals.
Small animals making contact with electrical parts can cause malfunc-
tions, smoke or fire. Please instruct the customer to keep the area
around the unit clean and clear.
In a domestic environment this product may cause radio interference
in which case the user may be required to take adequate measures.
CAUTION
Appliance not accessible to the general public, install it in a secured
area, protected from easy access.
This unit, both indoor and outdoor, is suitable for installation in a com-
mercial and light industrial environment.
4.1. General precautions on installation
Select an installation site that meets the following requirements:
• The foundation must be strong enough to support the weight of the unit.
•
Installation location is flat to prevent vibrations and noise generation
and to have sufficient stability.
• The space around the unit is adequate for maintenance and servic-
ing (refer to 5.2. Service space on page 7).
•
The space around the unit allows for sufficient air circulation.
•
There is no danger of fire due to leakage of inflammable gas.
• The equipment is not intended for use in a potentially explosive
atmosphere.
• Select the location of the unit in such a way that the sound generat-
ed by the unit does not disturb anyone, and the location is selected
according the applicable legislation.
• All piping lengths and distances have been taken into consideration
(refer to 7.5. System piping (length) limitations on page 12).
• Take care that in the event of a water leak, water cannot cause any
damage to the installation space and surroundings.
• When installing the unit in a small room, take measures in order to
keep the refrigerant concentration from exceeding allowable safety
limits in the event of a refrigerant leak, refer to 18. Caution for refrig-
erant leaks on page 49.
CAUTION
Excessive refrigerant concentrations in a closed room can lead to
oxygen deficiency.
NOTE
The equipment described in this manual may cause electronic noise
generated from radio-frequency energy. The equipment complies
to specifications that are designed to provide reasonable protection
against such interference. However, there is no guarantee that inter-
ference will not occur in a particular installation.
It is therefore recommended to install the equipment and electric wires
keeping proper distances away from stereo equipment, personal
computers, etc.
Take necessary measure to minimize harmonic interference as
needed.
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