Viessmann EA1 Installation And Service Instructions

10
■ Select the effect of the operating pro-
gram changeover via parameter 1F
(Heating circuit group).
■ Set the duration of the changeover
via parameter 24 (Heating circuit
group).
Set flow temperature for external
demand
■ Select the set flow temperature in
parameter 0B (General group).
Connecting a circulation pump or a fault message facility
Connection aBJ is floating.
The following components can be con-
nected to plug
aBJ
:
Groups A, B and D:
■ Feed pump to substation
or
■ DHW circulation pump
or
■ Fault message facility
? ?
fÖaBJ
230 V~
f-]
A
M
1~
A
A
Circulation pump or fault message
facility 230 V
Connecting digital inputs (group D)
(cont.)
5443233

Viessmann EA1 Specifications

General

Brand	Viessmann
Model	EA1
Category	Control Unit
Language	English