2
3
INSTALLATION COMFORT AIR CURTAIN
18
7. Fit a lock plate 3 to each suspension bracket.
Warning:
w The unit may fall down if you do not secure the
suspension.
8. Check whether the unit is suspended firmly:
- Try to push the unit from its suspension.
- Shake the unit for a few seconds.
Warning:
w Ensure you do not run any risk, should the unit
drop down.
2.5 Connect the unit to the central heating installation (CA
2
W)
2
1
2.5.1 Particulars
Caution:
c The supply and return pipes of the central heating system
must be connected to the correct corresponding
connections 1. The directions are indicated on the unit
us
ing arrows.
• The maximum permissible operating pressure of the hot
wate
r circuit is specified on the type plate (see
section 1.4.4). It is based on a water temperature of
110 ºC.
Caution:
c The unit has an integrated water control. The central
heating connection must not be fitted with a control valve.
• The water-side control valve is automaticall
y closed as
standard if the air curtain and/or the heating is switched
off. This can be altered at the control panel via
Menu>configuration>77. Valve open.
Caution:
c Biddle recommends the inclusion of a valve in each pipe.
• The bleed valve 2 of the heat exchanger is located at the
l
eft in the top of the unit.
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