Connection And Wiring Diagram; Parts List - Viessmann EM-EA1 Installation And Service Instructions For Contractors

Connection and wiring diagram

Fig. 14
DI1 Digital input 1
DI2 Digital input 2
DI3 Digital input 3
0 - 10 V IN 0 - 10 V input
0 - 10 V OUT 0 - 10 V output
PWM1 Control voltage output
S1 Rotary switch
Z1 230 V relay output, 230 V input

Parts list

The following details are required when ordering parts:
■ Serial no. (see type plate)
■ Position number of the part
10
Power supply
fÖ
A Power supply for additional accessories
fÖ
Changeover contact (floating switching
hH
contact) for connecting signalling equip-
ment for fault messages or an extractor
hood
PlusBus
jF