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of 4,5 MPa (45 bar) is reached.
The product is provided with a flow sensor by volume (flow
switch). The flow switch ensures the stop of the machine if the
flow of water falls below the minimum threshold equal to 35-
40% of the nominal flow (1400 l/h).
The machine is equipped with an antifreeze system preventing
the freezing of the water content in hydraulic pipes linked to the
heat pump in case of outdoor low temperature. The antifreezing
protection, when working, keep the circulator is state of ON,
even if the heat pump is set in OFF. The machine stays in state of
“alert” when the protection is active because it could start if the
conditions require it (even if it is in OFF)
WARNINGS!
Before of performing maintenance works on the machine make
sure to unplug the machine from the power supply.
•
During the summer operation an antifreezing protection
prevents the freezing of the water in the system.
•
Heat pump
KITA Templari® is provided of a sonde that
controls the compressor discharge temperature. The
computer of the machine ensures that the discharge
temperature doesn’t exceed the maximum allowed value.
NOTE!
The device isn’t suitable to be used with a frequency converter.
If the machine is powered off (unplugged from the network)
for long periods, don’t stop oil heating procedure starting when
the machine is powered again. This procedure serves to prevent
compressor breakage.
3.2 Allowed operating zone
KITA S - S 3phase - S plus - S plus 3phase / M
- M 3phase - M plus: heat pump
W
at
er output t
emper
atur
e +/-2 [°C]
Outdoor air tempe/-1 [°C]
KITA L - L42 - L66: heat pump
W
at
er output t
emper
atur
e +/-2 [°C]
Outdoor air temperature [°C]
KITA S - S 3phase - S plus - S plus 3phase / M
- M 3phase - M plus: chiller
Out
door air t
emper
atur
e +/-2 [°C]
Produced water tempe/-1 [°C]
KITA L - L42 - L66: chiller
W
at
er
outp
ut
temper
atur
e
+/-2
[°C]
Water output temperature +/-1 [°C]
3.3 System structure with heat pump
The system with heat pump includes following components:
•
Heat pump
KITA Templari®;
•
Control command of heat pump;
•
Optional hydraulic components, that can be required to
the manufacturer: a heating resistor for the condensate
drain, una a three-way valve for the combined system and
domestic hot water management, mesh filter, switching
relé operating with boiler integration.
The control of machine functions is totally done by command.