External Accessory Connection Box - Viessmann B2HB 45 Installation Instructions Manual

Boiler Connections
Vitodens 200-W B2HB 45, 57 Installation
Connections
(continued)

External accessory connection box

Note: See wiring diagram on page 44 for connection
to the control base.
120/1/60 12 AMP
POWER SUPPLY WITH
DISCONNECT AND
ACCESSORIES
PROTECTION
(ie VITOTROL
REMOTE OR
MIXING VALVE)
PUMP
0-10V INPUT
27