5
GB 05/2009
AW HT
DESCRIPTION OF STANDARD UNIT
I A
The air-cooled units with axial-flow fans for heating only oper-
ate on R407C refrigerant and are suitable for outdoor installa-
tion.
The units are CE marked, as established by the EU directives,
including the latest amendments, and the corresponding
approximated national legislation:
They are factory tested and on site installation is limited to
water and electrical connections.
VERSIONS AVAILABLE
AW HT
Air/water heat pump for heating only with domestic hot water production by external 3-way valve (accesso-
ry). Built-in water circuit assembly.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21
22
1 Coil
2 Electrical
panel
3
Injection heat exchanger
4
Thermostatic injection valve
5
Injection solenoid valve
6 Check
valve
7 Indicator
8
System thermostatic valve
9 Filter
10
System plate heat exchanger
11 Pressure
gauge
12 Installation
pump
13 Liquid
receiver
14 Safety
valve
15 Fill
valve
16 System
inlet
17
HP pressure switch
18
LP pressure switch
19 Compressor
20 Reversing
valve
21 Fan
22 Expansion
vessel
