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1.23 OPERATING LIMITS.
The appliance was designed to work in a specific range of outdoor
temperatures and at a specific maximum flow temperature. The
chart (Fig. 27, 28 and 29) shows these limits.
Heat pump operating limits
in cooling mode
Key (Fig. 27):
TE = Outside temperature
TM = Flow temperature
Heat pump operating limits
in CH mode
A
Key (Fig. 28):
TE = Outside temperature
TM = Flow temperature
A = With integration boiler
B = Without boiler enabled
DHW mode operating limits
TB (°C)
60
55
A
35
10
0
-25
-5
0
10
Key (Fig. 29):
TE = Outside temperature
TB = Storage tank unit temperature
A = With integration boiler
B = Without boiler enabled
30
B
B
TE (°C)
35
46
60
1.24 INDOOR UNIT START-UP (IGNITION).
After having installed the chiller lines on the outdoor condensing
unit, to commission the heat pump (the operations listed below
must only be performed by qualified personnel and in the pres-
ence of staff only):
1) Check connection to a 230V-50Hz power mains, correct L-N
polarity and the earthing connection;
2) Switch the indoor unit on and check correct ignition;
3) Check the intervention of the main switch located upstream
from the indoor unit and in the indoor unit.
4) Set the first ignition parameters (Par. 3.11).
The system must not be started up if even only one of
the checks should be negative.
27
After 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.
Apply the product data nameplate contained inside
the warranty envelope, in an accessible and visible
position.
28
29
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