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The data inside this manual are not binding and they can be modified by the manufacturer without notice.
All rights reserved.
NPC 280 - 400
C
HAPTER
9
O
PERATION
AND
MAINTENANCE
9 . 1
O p e r a t i o n
The machine operates in completely automatic mode.
There is not necessary to turn it off when there is no thermal load as it turns off automatically when the preset water outlet temperature has been
reached.
9 . 2
M a i n t e n a n c e
ATTENTION
Before proceeding with the installation or the maintenance of these units be sure that all personnel concerned have read and understood the
Chapter 2
“Safety“
.
9 . 3
U n i t a c c e s s
ATTENTION
Everytime the panels must be removed the unit must be switched off and disconnected from power supply.
To access the components of the refrigerant circuit use an appropriate key furnished with the unit and operate on the closing bolts of the front
panel (A).
The access to the evaporator and to the components of the hydraulic circuit can be carried out by unscrewing, by a screwdriver, the screws fixing
the panel (B).
To access the components of the electrical circuit remove the front panel (C).
A further access to the evaporator and to the components of the hydraulic circuit can be carried out by removing the panel (F) or the side panels
(D) and (E).
C
B
A
F
E
D
