Wiring Diagram; Specifications - Viessmann EM-EA1 Extension Installation And Service Instructions Manual

Wiring /Specification

Wiring Diagram

Legend
DI1 Digital input 1
DI2 Digital input 2
DI3 Digital input 3
0 - 10V IN 0 - 10V input
0 - 10V OUT 0 - 10V output
F4 Fuse 2 A (slow)
PWM1 Control voltage output
S1 Rotary switch for subscriber number
addressing

Specifications

Rated voltage
Rated frequency
Rated current
Power consumption – electronics
Permissible ambient temperature
Operation
Storage and transport
Output for rated breaking capacity hH (floating)
Rated breaking capacity of output Z1 fD
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EM-EA1 Extension Installation / Service
Z1 fD
120V relay output, 120V input
fÖ
Power supply
fÖ A
Power supply for additional accessories
hH
Changeover contact (floating switching
contact) for connecting signalling
equipment for fault messages or an
extractor hood
jF
PlusBus
120V ~
60 Hz
2A
2.8 W
32 to 104°F (0 to +40°C)
-4 to +140°F (–20 to +60°C)
1A, 120V~
1A, 120V~