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Section 2. INSTALLATION – Typical Cased Unit
Continued
FIXING CASED UNIT TO OUTSIDE WALL & ATTACHING WALL SLEEVE/ATTENTUATOR
Figure 5
(Part A) freely slides inside of the wall aperture. Fix the unit to the wall via 4 off
fixing lugs with suitable screws.
3. From outside, slide the inner section of the telescopic wall sleeve/attenuator
(Part B, flange on outside of wall) as far into part A as the wall thickness will allow.
Seal the joint inside of the two halves of the sleeve using 'duct tape' or similar.
4. Before fitting the external weatherproof grille, un-wind the cable of the fresh air
sensor, located within the Innovair unit (fresh air aperture) and position the sensor
just inside of the external weatherproof grille. Failure to position the sensor behind
the grille may prevent accurate operation of the unit.
5. Fix the weatherproof grille (usually supplied by others) to the outside wall.
6. Feed the water pipework (if applicable) through either of the two appertures
provided in the back or base of the unit casing. Connect pipework to the 2 open
ports of the control valve. Ensure flow and return pipework corresponds to the
flow and returns on the valve.
7. Ensure that both pipework and heating coil is fully vented.
SEE PAGE 13 FOR ELECTRICAL CONNECTIONS.
Page 7
View on rear of unit
1. Before fixing the unit to the external
wall. Attach the outer section (Part A) of
the telescopic wall sleeve/attenuator to
the fixed spigot on the back (or rear) of
the Innovair unit. The sleeve should be
attached using self tapping screws No.8
or duct tape.
2. Offer the unit up to the fresh air
aperture (already cut into the external
wall) making sure that the outer section
v2.1
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