Technibel TWN Series, Installation Instruction

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GB
5
2.4 - INSTALLATION
• Secure the units to either a wall or ceiling using appropriate mounting fixtures.
• The distances between the 4 existing lights (
A ) are indicted below.
2.5 - WEIGHT OF FAN COIL UNITS (in kg)
30
8
A
B
3
0
8
A
B
A : mounting holes.
Sizes B (mm)
02 498
03 708
04 918
05 918
06 1,128
08 1,128
11 1,338
Models
Sizes
02 03 04 05 06 08 11
NC 15 19 23 24 32 33 39
Cv 21 25 31 32 42 43 51
CH 21 27 33 34 44 45 53
3 - CONNECTIONS
3.1 - HYDRAULIC CONNECTION
• The units come with the hydraulic connections located on the left-hand side.
• Connections may be changed on site. Refer to paragraph 2.1 for instructions.
• The water inlet is always at the lowest point on the exchanger.
• To connect the additional battery (4-tube version), refer to Technical Instructions 10 12 172.
3.1.1 - HOLE LOCATION
3.1.2 - INSULATION OF PIPES
• The insulation concerns the water return and inlet pipes.
• Use polyethylene sheathing at least 9 mm thick.
•
After connection and leak inspection, insulate the unit’s valves, tubes and
connections.
NOTE: This operation must be done carefully to avoid any risk of
condensation
3.1.3 - PURGING THE FAN COIL UNIT'S WATER CIRCUIT
• This is done by unscrewing a drain plug located on the exchanger collecting receptacle.
• Access: on the side of the unit.
• Tools: standard tip screwdriver or tubular hexagon box wrench.
CAUTION: Be careful not to tighten the purge excessively as the screw head may break.
1
5
0
A
H
D
E
F
G
J
C
B
A
F
K
D
J
H
E
Models Cv, CH (vertical) and NC (vertical) models
Models CH (horizontal)
NC (horizontal)
Sizes
02
03 04 - 05 06 - 08 11
51 51 51 48 48
198 198 198 220 220
226 226 226 251 251
263 263 263 259 259
458 458 458 497 497
163 163 163 185 185
198 198 198 220 220
1/2” 1/2” 1/2” 3/4” 3/4”
16 16 16 16 16
198 198 198 208 208
A
B
C
D
E
F
G
H
J
K
Insulation
Water supply and return pipes