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2. Installing the FTC2BR unit
1
5
<Fig. 2.1.1>
B
<Fig. 2.3.1>
30 mm or more
Cover
Base
<Fig. 2.3.2>
Service space
Remove the 2 screws
A
(control box cover screws).
Base
Bottom
1
2 – 4
6
A
Top
Wall
Slide the control box cover
until the bottom of the cover
Cover
comes into contact with the
bottom of the control box.
Bottom
Top
2.1. Check the parts (Fig. 2.1.1)
The FTC2BR unit should be supplied with the following parts.
FTC2BR unit
1
Liquid refrigerant temp. thermistor
2
(Lead wire: 5m/Red, Connector: 3p/Yellow)
Flow water temp. and Return water temp. thermistor
(Lead wire: 5m/Gray(Flow water temp.),
3
5m/Black(Return water temp.), Connector: 4p/Red)
Tank water temp. thermistor
4
(Lead wire: 5m/Gray, Connector: 2p/White)
Remote controller cable (5m)
5
Remote controller
6
2.2. Choosing the FTC2BR unit installation location
• Do not install the FTC2BR unit in outdoor location as it is designed for indoor
installation only. (The FTC2BR circuit board and casing are not waterproof.)
• Avoid locations where the unit is exposed to direct sunlight or other sources of
heat.
• Select a location where easy wiring access to the power source is available.
• A void locations where combustible gases may leak, be produced, flow, or accu-
mulate.
• Select a level location that can bear the weight and vibration of the unit.
• Avoid locations where the unit is exposed to oil, steam, or sulfuric gas.
• Do not install in location that is hot or humid for long periods of time.
2.3. Installing the FTC2BR unit (Fig. 2.3.1, 2.3.2, 2.3.3, 2.3.4)
1. Remove 2 screws (
A
Fig. 2.3.1)
2. Install the 4 screws (locally supplied) in the 4 holes (
* To prevent the unit from falling off the wall, select the appropriate screws (locally
supplied) and secure the base horizontally to the appropriate wall location.
(See Fig. 2.3.2)
Screw
A
Weight
Allowable ambient temperature
Allowable ambient humidity
11.5
C
TB142
C
3-ELECTRIC WIRE INLET
When installed on a wall: Lower side
Top
2
<Fig. 2.3.4>
Part Name
Screw) from FTC2BR unit and remove the cover. (See
Hole).
C
Cover
Hole for installation
B
C
2.4 kg + ACCESSORIES 0.8 kg
0 to 35°C
80% RH or less
336
313
(11.5)
C
TB6
TB141
C
<Fig. 2.3.3>
Pull the cover to the
front and remove it.
Bottom
3
W/D
Q'ty
symbol
—
1
TH2
1
THW1/2
1
THW5
1
—
1
—
1
Unit:mm
69
en
Front
Top
EN-3
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