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(2) Pattern 2
Fujitsu general remote controllers and control devices directly control Fujitsu general out-
door units and indoor units (refrigerant cycle devices, etc.) not manufactured by Fujitsu
general. A system confi guration example is shown below.
System Confi guration Diagram
Fujitsu general-approved devices
Outdoor unit
Control unit
Wired remote
controller
Control line
Thermistor × 4
3.2.3. Pipe Conditions
Straight pipe =
200 mm or more
R
Heat
Gas pipe
Exchanger
4. INSTALLATION WORK
Correct initial installation location is important because it is diffi cult to move unit after it is
installed.
4.1. Selecting an installation location
Decide the mounting position together with the customer as follows.
Select installation locations that can properly support the weight of the DX-kit. Install
the units securely so that they do not topple or fall.
Do not install the DX-kit in the following areas:
• Area with high salt content, such as at the seaside. It will deteriorate metal parts,
causing the parts to fail or the unit to leak water.
• Area fi lled with mineral oil or containing a large amount of splashed oil or steam,
such as a kitchen. It will deteriorate plastic parts, causing the parts to fail or the unit
to leak water.
• Area that generates substances that adversely affect the equipment, such as sulfuric
gas, chlorine gas, acid, or alkali. It will cause the copper pipes and brazed joints to
corrode, which can cause refrigerant leakage.
• Area that can cause combustible gas to leak, contains suspended carbon fi bers or
fl ammable dust, or volatile infl ammables such as paint thinner or gasoline. If gas
leaks and settles around the unit, it can cause a fi re.
• Area where animals may urinate on the unit or ammonia may be generated.
Do not use the unit for special purposes, such as storing food, raising animals,
growing plants, or preserving precision devices or art objects.
It can degrade the quality of the preserved or stored objects.
Do not install where there is the danger of combustible gas leakage.
Do not install the unit near a source of heat, steam, or fl ammable gas.
Install the DX-kit, power supply cable, transmission cable, and remote controller cable
at least 1 m away from a television or radio receivers. The purpose of this is to prevent
TV reception interference or radio noise. (Even if they are installed more than 1 m
apart, you could still receive noise under some signal conditions.)
Piping
Wiring
EEV unit
Indoor unit
EEV
Liquid pipe
unit
WARNING
CAUTION
If children under 10 years old may approach the unit, take preventive measures so
that they cannot reach the unit.
Take precautions to prevent the unit from falling.
(1) Install the DX-kit on a place having a suffi cient strength so that it withstands against
the weight of the DX-kit.
(2) Leave the space required to service the DX-kit.
(3) Install the unit where connection to the outdoor unit (or RB unit) is easy.
(4) Install the unit where the connection pipe can be easily installed.
(5) Install the unit where noise and vibrations are not amplifi ed.
(6) Take servicing, etc., into consideration and leave the spaces.
(7) Do not install the unit where it will be exposed to direct sunlight.
4.2. Installation dimensions
4.2.1. Control unit
400
Weight of the Control unit (kg)
UTY-VDGX
4.2.2. EEV unit
EEV unit Dimensions
221
203
22
159
4 × Ø11
B
(127)
231
Connection pipe diameter (mm)
Model
A
B
UTP-VX30A
9.52
9.52
UTP-VX60A
9.52
9.52
UTP-VX90A
12.7
12.7
4.3. Installing the unit
Install the DX-kit in a location which can withstand a load of at least 5 times the weight
of the main unit and which will not amplify sound or vibration. If the installation location
is not strong enough, the DX-kit may fall and cause injuries.
If the job is done with the panel frame only, there is a risk that the unit will come loose.
Please take care.
Carrying in and installation of the unit should be performed by a suffi cient number
of people and with suffi cient equipment that is adequate for the weight of the unit.
Performing such work by an insufficient number of people or with inadequate
equipment could result in dropping of the unit or personal injury.
(Unit: mm)
306
120
134
10
(Unit: mm)
31
90
8 × Ø5
58
A
36
(120)
58
Weight of the EEV unit (kg)
UTP-VX30A
2
UTP-VX60A
2
UTP-VX90A
2
WARNING
3 × Ø10
En-4
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