Installation, user and maintenance manual
– GAHP-A
11
The fan can be:
low consumption (S1): reduction of the electrical consumption and reduction of
•
noise emissions
low noise (S): reduction of noise emissions
•
standard
•
The GAHP heat pump can be controlled with the CCP/DDC or with a switch on the con-
sent circuit.
During operation, combustion products are exhausted via the discharge terminal at the
left side of the appliance (see Figure 3.1 Size (Standard ventilation)
→
15, Figure 3.2 Di-
mensions (low consumption ventilation – S1)
→
15 o Figure 3.3 Dimensions (low noise
version)
→
16). The fumes outlet must be connected to a flue (for further details, see
Paragraph 5.7 EXHAUST FLUE GAS
→
36).
The appliance powered by 230 V 1N 50 Hz electrical power - .
3�3
teCHnICAL MAnUfACtURInG CHARACteRIstICs
The appliance is supplied with the following technical manufacturing characteristics,
control and safety components:
Steel sealed circuit, externally treated with epoxy paint.
•
Sealed combustion chamber suited for type C installation.
•
Metal mesh radiant burner equipped with ignition electrodes and flame detection
•
managed by an electronic flame control box.
Titanium stainless steel shall-and-tube heat exchanger, with external insulation.
•
Recovery heat exchanger (AISI 304L).
•
Air heat exchanger with single-row finned coil, manufactured with steel pipes and
•
aluminium fins.
Automatic microprocessor-controlled two-ways defrosting valve.
•
Control and safety components
S61 electronic board with integrated microprocessor, LCD display and control
•
knob, complete with Mod10 auxiliary card to control thermal capacity and prima-
ry pump modulation (see Figures 6.1 Electronic board S61
→
41 and 6.2 Mod10
controller
→
42).
Water flowmeter.
•
Sealed circuit high temperature limit thermostat, with manual reset.
•
Flue temperature thermostat 120 °C, with manual reset.
•
Sealed circuit safety relief valve.
•
Safety by-pass valve, between high and low pressure parts of the sealed circuit.
•
Antifreeze functions for hydraulic circuit.
•
Ionization flame control box.
•
Double shutter electric gas valve.
•
Condensate discharge sensor.
•
3�4
teCHnICAL dAtA
table 3�1 – GAHP-A LT technical data
GAHP-A LT S1
GAHP-A LT S
GAHP-A LT
oPeRAtIon WHen HeAtInG
OPERATING POINT A7W50
G.U.E. gas usage efficiency
%
151 (1)
Thermal power
kW
38,0 (1)
OPERATING POINT A7W35
G.U.E. gas usage efficiency
%
165 (1)
Thermal power
kW
41,7 (1)
