Grant Aerona3 Series, Инструкции по установке и обслуживанию

Страница: 7 / 88

Section 1: Introduction Page 7
Table 1-8: Key to main components - front
Key Item
1
Front (removable) access
cover
To access the heat pump wiring centre
2 Flue (external applications) Refer to Section 13
3 Control panel Refer to Section 10
4 Blue flame burner A Riello high-efficiency, low NOx blue flame burner with plug and socket connection
5 Pump High efficiency circulating pump
6 Anti-freezing heater Factory fitted electric heater prevents condensate in the base of the heat pump from freezing
7 Fan
A high-efficiency DC fan motor is used for smooth and quiet operation. Two fans (3 blade) are fitted to the
16kW unit.
8 Air inlet Located in the left and back of the heat pump
9 Flow Refer to Section 5
10 Flexible hose
11 Return Refer to Section 5
12 Heat pump return Refer to Section 5
13 Heat pump flow Refer to Section 5
14 System return Refer to Section 5
15 Isolation valve Refer to Section 4 (if heat meter is fitted)
16 Heat meter Refer to Section 4 (if heat meter is fitted)
17 System flow Refer to Section 5
18 Isolation valve Refer to Section 4 (if heat meter is fitted)
19 Condensate trap
Refer to Section 9
20 Condensate knockout
21
Condensate knockout
(base - not shown)
22 Oil line knockouts Refer to Section 3
Not shown
Heat exchanger Award winning condensing heat exchanger
DC Inverter
This responds rapidly to changing conditions to provide the necessary output to meet heating demands by
varying the speed and output of the compressor, fan and circulating pump.
This reduces the on/off times of the compressor, keeping the water temperature constant during operation
reducing the electricity consumption.
Compressor A high-efficiency DC twin-rotary compressor to provide smooth performance and quiet operation.
Plate Heat Exchanger
(Condenser)
The high-efficiency plate heat exchanger is used to transfer heat to the heating system primary circuit.
Circulating Pump High-efficiency DC pump speed controlled from the ASHP control PCB.
Pressure Relief Valve A 3 bar pressure relief valve is factory fitted.
Air Purge Valve (Automatic
Air Vent)
Factory fitted to assist in the removal of air from the heating primary circuit of the heat pump.
Figure 1-7: Knockouts for oil lines and condensate disposal
19
21
22
20
12
13