40
INSTALLER
USERMAINTENANCE TECHNICIAN
TECHNICAL DATA
1.35 COMMISSIONING THE INDOOR UNIT
IGNITION, ONLY WHEN PAIRED WITH
AN OUTDOOR UNIT
To commission the indoor unit (the operations listed below must
only be performed by qualied personnel and in the presence of
sta only):
1. check that the internal system is properly sealed according to
the specications set forth by regulations in force;
2 . M a k e s u r e t h a t t h e t y p e o f g a s u s e d c o r r e s p o n d s t o i n d o o r u n i t
settings;
3. check that there are no external factors that may cause the for-
mation of fuel pockets;
4. Check that the gas ow rate and the relative pressure values
comply with those indicated in the booklet;
5. Switch the indoor unit on and check correct ignition;
6. ensure that the safety device intervenes in the event of gas sup-
ply failure and check the relative intervention time;
7. check connection to a 230V-50Hz power mains, correct L-N
polarity and the earthing connection;
8. Check the intervention of the main switch located upstream
from the indoor unit and in the indoor unit.
9. check that the intake/exhaust terminals are not obstructed
and that they are installed properly;
e system must not be started up if even only one of the
checks should be negative.
Aer installation, check for leaks. Toxic
gas could be generated if the unit comes
into contact with a source of ignition,
such as thermal fan, stove and cylinders.
Make sure that only refrigerant recovery
cylinders are used.
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