Overview of the equipment 4
0020147164_07 aroTHERM Installation instructions
9
3
Ribbed pipe heat ex-
changer
4
Temperature sensor
of the ribbed pipe heat
exchanger
5
4-way valve
6
Return heating circuit
temperature sensor
7
High-efficiency pump
with flow sensor
8
Purging valve
9
Flow heating circuit
temperature sensor
10
Drain valve
11
Plate heat exchanger
12
Temperature sensor
after the plate heat
exchanger
13
Service valve for the
high-pressure range of
the coolant circuit
14
High-pressure pressure
switch in the coolant
circuit
15
High-pressure sensor in
the coolant circuit
16
Compressor outlet
temperature sensor
17
Rotary piston com-
pressor
18
Filter
19
Liquid separator
20
Electronic expansion
valve
21
Compressor inlet tem-
perature sensor
22
Service valve for the
low-pressure range of
the coolant circuit
23
Flow rate limiter (cool-
ing mode) on the VWL
85/2 A 230 V only
24
Filter
25
Gas buffer
A
Heating return
B
Heating flow
4
Overview of the equipment
4.1
Type designation and serial number
1
1
The type designation and serial number are on the identifica-
tion plate
(1)
.
4.2
Information on the identification plate
Information on the identi-
fication plate
Meaning
Serial no.
Unique unit identification number
P max
Maximum rated power
I
Max. operating current
I max
Maximum start-up current
R410A
Coolant type and fill quantity
PS
R
_LP
PS
R
_HP
Min. and max. operating pres-
sure in the coolant circuit
Information on the identi-
fication plate
Meaning
PS
H
min
PS
H
max
Minimum and maximum operat-
ing pressure in the heating circuit
COP (Ax/Wxx)
Output figure (coefficient of
performance) at an air inlet
temperature of xx °C and a
heating flow temperature of
xx °C
(Ax/Wxx)
Heating output at an air inlet
temperature of xx °C and a
heating flow temperature of
xx °C
Volt
Compressor, pump and control-
ler mains voltage
Hz
Power frequency
IP
Protection class
Compressor
Ventilator
Pump
Controller
