Viessmann OpenTherm Installation And Service Instructions For Contractors

15
Heating circuit pump 230 V~
sÖ
A
1~
M
A/B
A
Heating circuit pump
sÖ A/B
Mains connection on extension
kit
For allocation of the heating circuit
pumps see page 12.
Specification
Rated current 2(1) A
Recommended
connecting cable
H05VV-F3G 0.75
mm
2
or
H05RN-F3G 0.75
mm
2
Heating circuit pump with power consumption greater than 2 A
LN
Ext.
ON/OFF
L
N
N PE
NL
L
C
B
A
sÖ
sÖ A/B
Plug on extension kit
A
Heating circuit pump
B
Contactor
C
Separate power supply
(observe manufacturer's
instructions)
For allocation of the heating circuit
pumps see page 12.
Installation sequence
Connecting the heating circuit pump
(cont.)
5837721
Installation

Viessmann OpenTherm Specifications

General

Brand	Viessmann
Model	OpenTherm
Category	Temperature Controller
Language	English