Electrical Controls; Control Panel - Carrier DB-S Series Use & Maintenance Instructions

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7.1 Electrical controls

7 7 . . P P L L A A C C I I N N G G I I N N T T O O S S E E R R V V I I C C E E O O F F T T H H E E U U N N I I T T
7 7 . . P P L L A A C C I I N N G G I I N N T T O O S S E E R R V V I I C C E E O O F F T T H H E E U U N N I I T T
B
efore placing into service the unit it is necessary to preheat.
To do this proceed as follows:
a) Switch on the unit with the mains switch.
b) Leave the unit in this position for at least 3 hours
c) After 3 hours,to start the unit it is necessary to press the key on/off on the
remote control panel.
N.B.: If the unit is stopped with the main switch for more than 3 hours in winter or
more then 6 hours in summer, it is necessary to repeat the preheating.
CAUTION
24 hours after start-up, check the evaporator. If ice has formed on it, reduce
the interval between defrosting cycles. For low temperature units this check
should be performed once a week during the first month of operation.
7.1.1 Electrical panel
fig.14
I ON
Mains switch
GB
D
F
I
15

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This manual is also suitable for:

Db340-sDb235-sDb335-s

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