Biddle CITY Series - Page 11

CITY MANUAL INTRODUCTION
Versie: 5.0 (04-06-2012) 11
1.4.2 Installation, maintenance and service
Danger:
d The unit may be opened by qualified technical
staff only.
Warning:
w Perform the following actions before opening
the unit:
1. Switch OFF the unit using the control panel.
2. Wait until the fans have stopped.
3. Allow the unit to cool down.
Caution:
c The heat exchanger and/or the heating elements can
get very hot. Moreover, the fans may continue to
rotate for a while.
4. For models for connection to a Daikin direct expan-
sion system:
Switch OFF the Daikin system and disconnect the mains
po
wer supply from the Daikin outdoor unit.
5. Disconnect the power supply (remove plug from power
point
or move isolation switch to OFF).
6. F
or water-heated models:
Close the central heating supply (if possible).
Caution:
c For CYQ and CYV: If the system is operating in
defrost mode or has been in operation recently,
there may be water in the inspection panel.
Warning:
w The fins of the heat exchanger are sharp.