FUJITSU UTZ VXAA User Manual

(PART NO. 9379477031)  
3.2. Installation dimension location  
WARNING  
5. INSTALLATION OF THE FRESH AIR INTAKE KIT  
5.1. Provisional attachment  
FINRESSTHAALIRLINATTAIKOENKITMANUAL  
Install the air conditioner in a location which can withstand a load of at  
least five times the weight of the main unit and which will not amplify  
sound or vibration. If the installation location is not strong enough, the  
indoor unit may fall and cause injuries.  
For authorized service personnel only.  
UTZ-VXAA  
CAUTION  
Installing the Fresh Air Intake Kit with the wrong direction is a cause of  
water leakage.  
• The following installation parts are furnished. Use them as required.  
• Keep the Installation Manual in a safe place and do not discard any other  
accessories until the installation work has been completed.  
If the job is done with the panel frame only, there is a risk that the unit will  
come loose. Please take care.  
1. SAFETY PRECAUTIONS  
Provisionally attach the “DRAIN”, “PIPE” of the Fresh Air Intake Kit to the  
indoor unit foam-sealed “DRAIN”, “PIPE”, following the direction of the  
indoor unit, using the metal fittings of the combined diagram.  
• Be sure to read this Manual thoroughly before installation.  
Unit: mm (in.)  
• The warnings and precautions indicated in this Manual contain important  
information pertaining to your safety. Be sure to observe them.  
• Hand this Manual to the customer. Request the customer to keep them on  
hand for future use, such as for relocating or repairing the unit.  
Name and Shape  
Chamber  
Q’ty  
Application  
Indoor Unit  
“DRAIN”  
Air joint for connecting duct  
*1  
duct (field supplied)  
1
This mark indicates procedures which, if improperly  
performed, might lead to the death or serious injury  
“PIPE”  
WARNING  
of the user.  
Wire cover  
Cover for extension wire  
Request your dealer or a professional installer to install the indoor unit  
in accordance with this Installation Manual. An improperly installed unit  
can cause serious accidents such as water leakage, electric shock, or  
fire. If the indoor unit is installed in disregard of the instructions in the  
Installation Manual, it will void the manufacturer’s warranty.  
1
4
(12-7/32)  
310  
“DRAIN”  
Screw  
Attaching for chamber  
Attaching for wire cover  
Fresh Air Intake Kit  
Metal fittings×2  
“PIPE”  
Inspection hatch  
Ceiling opening space  
Do not turn ON the power until all work has been completed. Turning  
ON the power before the work is completed can cause serious accidents  
such as electric shock or fire.  
Extension wire for louver  
Extension wire for louver  
*1: Suspend the parts securely. Due to the weight of the indoor unit and this  
kit, a gap may form between them.  
2
1
Unit: mm (in.)  
white  
red  
Installation work must be performed in accordance with national wiring  
standards by authorized personnel only.  
Min.450 (17-3/4)  
Inspection hatch *2  
Extension wire for receiver  
Extension wire for receiver  
Bolt ×4  
This mark indicates procedures which, if improperly  
CAUTION  
performed, might possibly result in personal harm  
to the user, or damage to property.  
5.2. Attaching the fresh air intake kit  
For connect indoor unit to relay  
of duct fan  
Wire (External output 1)  
Attach the Fresh Air Intake Kit to the main body using the bolts provided.  
1
1
1
6. CHAMBER INSTALLATION  
2. ABOUT THE UNIT  
150 to 200  
( 5-7/8 to 7-7/8)  
For connect indoor unit to relay  
of duct fan  
Wire (External output 2)  
Fit the four-sided holes of the chamber together with the hook fittings of the  
Fresh Air Intake Kit (in 2 places), and secure the attached chamber in place  
with screws provided.  
2.1. Precautions for fresh air intake  
*2: Please install the access ports  
The Fresh Air Intake Kit can be installed onto cassette type air  
conditioners.  
On installation please also refer to the air conditioner installation manual  
and decoration panel installation manual.  
The volume of ventilated air provided by the Fresh Air Intake Kit may be  
unable to fulfill ventilation regulations in all countries.  
On such occasions we ask that this kit be used along with Energy  
recovery ventilators.  
l
l
l
Ø100 (3-15/16)  
(more than 450×450 mm (17-3/4 ×17-3/4 in.)).  
For connect indoor unit to relay  
of duct fan  
Wire (External output 3)  
4. MOUNTING THE INDOOR UNIT MAIN BODY  
4.1. Pre-installation preparations  
Bolt  
For attaching the kit to indoor  
unit  
4
1
When intaking outside air please ensure correct air-conditioning design  
as based on air-conditioning load calculations.  
As outside air is not being processed an increase in outside air load can  
affect air conditioning.  
When installing the duct fan, connect the drive relay (field supplied) and  
operate with the indoor unit.  
l
l
• When the number of air outlets is to change, a separately-sold air-outlet  
sealing material should be fitted to the indoor unit main body prior to  
installing the Fresh Air Intake Kit.  
Cable tie  
For fixing wire  
4.2. Mounting of indoor unit  
Please ensure the intake air volume is below 10% of the product’s air  
volume HI.  
• Please refer to the installation manual provided with the indoor unit for  
mounting.  
• Please refer to the diagram below for installation height.  
• When installing this product to existing indoor units, please adjust  
the installation height of the indoor units to height 240 to 245 mm  
(9-7/16 to 9-21/32 in.).  
3. INSTALLATION WORK  
When the intaken air volume becomes too large there the operating noise  
may increase and room temperature detection may be affected.  
Condensation may form on the product when outside air temperature is  
low, and the temperature and humidity surrounding the product are high.  
Don’t intake the air of below 0˚(32°F) into the Fresh Air Intake Kit.  
The upper limit of the product’s temperature range should respond to the  
outdoor temperature range.  
Please ensure the product is installed a distance of at least 3 times the  
duct diameter away from exterior wall air inlets, or air exhausts for the  
prevention of short circuits.  
hook fittings  
3.1. Selecting an installation location  
l
l
CAUTION  
Unit: mm (in.)  
Metal Hanging Fastener  
Indoor Unit  
Do not install the unit in the following areas:  
•Area with high salt content, such as at the seaside. It will deteriorate  
metal parts, causing the parts to fall or the unit to leak water.  
•Area filled 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 fall 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.  
2.2. Accessories  
Fresh Air  
Intake Kit  
WARNING  
•Area that can cause combustible gas to leak, contains suspended  
carbon fibers or flammable dust, or volatile inflammables such as paint  
thinner or gasoline. If gas leaks and settles around the unit, it can cause  
a fire.  
For installation purposes, be sure to use the parts supplied by the  
manufacturer or other prescribed parts. The use of non-prescribed parts  
can cause serious accidents such as the unit falling, water leakage,  
electric shock, or fire.  
ceiling  
screw × 2  

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