Vaillant VWL 127/5 IS User Manual

3 Product description
22 Installation and maintenance instructions Hydraulic station 0020257319_02
Information Meaning
Refri-
gerant
circuit
GWP Refrigerant, global warming poten-
tial
Heating
circuit
MPa (bar) Permissible operating pressure
CE marking See section "CE marking"
3.9 Connection symbols
Symbol Connection
Heating circuit, flow
Heating circuit, return
Refrigerant circuit, hot gas
pipe
Refrigerant circuit, liquid pipe
Domestic hot water cylinder,
flow
Domestic hot water cylinder,
return
3.10 CE marking
The CE marking shows that the products comply with the
basic requirements of the applicable directives as stated on
the data plate.
The declaration of conformity can be viewed at the manufac-
turer's site.
3.11 Application limits
The product works between a minimum and maximum out-
door temperature. These outdoor temperatures define the
operating limits for the heating mode, domestic hot water
mode and cooling mode. See Technical data (→ Page 61).
Operating outside of the operating limits leads to the product
switching off.
3.11.1 Heating mode
[-20;20]
[-20;43]
[20;55]
[-10;55]
[20;20]
A
B
30
35
40
45
50
55
60
25
20
15
10
5
0
-20 -15 -10 -5 0 5 10 15 20
A Outdoor temperature B Heating water temperat-
ure
3.11.2 DHW mode
[-20;43]
[35;62]
[-10;55]
[-20;5]
[2;62]
[20;5]
[43;55]
[43;10]
A
B
60
70
50
40
30
20
10
0
-20 -10 0 10 20 30 40 50
A Outdoor temperature B Domestic hot water
temperature

Vaillant VWL 127/5 IS Specifications

General

Brand	Vaillant
Model	VWL 127/5 IS
Category	Heat Pump
Language	English