Viessmann Vitopend 100-W Installation And Service Instructions

77
!
Please note
Residual water will escape when
the boiler or one of the following
components is fitted or
removed:
■ Water-filled pipework
■ Heat exchanger
■ Circulation pumps
■ Plate heat exchanger
■ Components fitted in the heat-
ing water or DHW circuit.
Water ingress can result in dam-
age to other components.
Protect the following compo-
nents against ingress of water:
■ Control unit (in particular in
the service position)
■ Electrical components
■ Plug-in connections
■ Cables and leads
Outside temperature sensor or room temperature sensor
1 2 3 4
X7
A
B
1 2 3 4
A
Outside temperature sensor or
room temperature sensor
B
Terminals on control unit enclosure
1. Open the control unit enclosure.
See page 23.
2. Disconnect leads from outside tem-
perature sensor.
Troubleshooting
Repairs
5837146
Service

Viessmann Vitopend 100-W Specifications

General

Fuel Type	Gas
Max. Water Temperature	85 °C
Type	Condensing Boiler
Gas Type	Natural gas / LPG
Efficiency	Up to 98%