Installation Instructions

5 Assembly and installation
20 Installation instructions aroTHERM 0020147164_04
9 Air inlet temperature sensor
10 Electronic expansion valve
11 Main PCB
12 Coding resistance
13 Diagnosis software connection
14 Fan 1
15 Fan 2 (for VWL 155/2 only)
16 Fan PCB
17 Crankcase heating
18 Drain pan electrical heating rod
19 LED status display
20 Heating circuit high-efficiency pump with flow sensor
21 4-way valve
22 PCB installation
23 Rotary piston compressor
24 Inverter box
25 Temperature sensor for ribbed pipe heat exchanger