Overview Of Electrical Connections - Viessmann EM-EA1 Installation And Service Instructions Manual

Wall mounting
1.
Fig. 1

Overview of electrical connections

jF jF [{] [{]
1 2 3 4 1 2 3 4 5 6
Fig. 2
DI1 Digital input 1
DI2 Digital input 2
DI3 Digital input 3
0 - 10 V IN 0 to 10 V input
0 - 10 V OUT 0 to 10 V output
F4 Fuse 2 A (slow)
PWM1 Control voltage output
S1 Rotary switch for subscriber number
addressing
S1
[{]
+ - + -
1 2 1 2 1 2
K1
hH
fD
1
?
Z1 230 V relay output, 230 V input
fD
Power supply
fÖ
Power supply for additional accessories
fÖ A
Changeover contact (floating switching
hH
contact) for connecting signalling equip-
ment for fault messages or an extractor
hood
PlusBus
jF
Installation sequence
[{] fÖ
? ?
9