Connection Symbols; Ce Marking; Application Limits - Vaillant VWL 57/5 IS Operating, Installation And Maintenance Instructions

3 Product description
Information Meaning
Refri- GWP Refrigerant, global warming poten-
gerant tial
circuit
Heating MPa (bar) Permissible operating pressure
circuit

CE marking

See section "CE marking"
3.9

Connection symbols

Symbol
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.
22
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
Installation and maintenance instructions Hydraulic station 0020257319_02
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
B
60
[-10;55]
55
50
[-20;43]
45
40
35
30
25
20
[-20;20]
15
10
5
0
-20 -15 -10 -5
A Outdoor temperature
3.11.2 DHW mode
B
70
[2;62]
[-10;55]
60
[-20;43]
50
40
30
20
10 [-20;5]
0
-20 -10 0
A Outdoor temperature
[20;55]
[20;20]
0 5 10 15 20
B Heating water temperat-
ure
[35;62]
[43;55]
[20;5]
[43;10]
10 20 30 40 50
B Domestic hot water
temperature
A
A