Vaillant VWL 127/5 IS User Manual

2 Notes on the documentation
4 Operating instructions Hydraulic station 0020257319_02
2 Notes on the documentation
2.1 Observing other applicable documents
▶ You must observe all operating instructions enclosed with
the system components.
2.2 Storing documents
▶ Keep this manual and all other applicable documents
safe for future use.
2.3 Validity of the instructions
These instructions apply only to:
Product Outdoor unit
VWL 57/5 IS VWL 35/5 AS
VWL 55/5 AS
VWL 77/5 IS VWL 75/5 AS
VWL 127/5 IS VWL 105/5 AS
VWL 125/5 AS
3 Product description
3.1 Heat pump system
Design of a typical heat pump system with split technology:
1 2
4
3
5
6
1 Heat pump | Outdoor
unit
2 eBUS line
3 System control (op-
tional)
4 Control for the indoor
unit
5 Heat pump | Indoor unit
6 Refrigerant circuit
3.2 Design of the product
2
3
1
1 Optional installation site
for the system control
2 Reset button
3 Control elements
3.3 Control elements
reset
120
kWh/d
E
4
3 2 1
1 System control (optional
accessory)
2 Reset button
3 Control elements
4 Display

Vaillant VWL 127/5 IS Specifications

General

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