External Accessory Connection Box - Viessmann B2HA 80 Installation Instructions Manual

Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation
Connections
(continued)
IMPORTANT
Electrical installations must comply with the latest edition of:
In the U.S.A., the National Electrical Code (NEC),
ANSI/NFPA 70 and any other state, local codes and/or
regulations.
In Canada, the Canadian Electrical Code (CEC),
CSA C22.1 Part 1 and any other province, territory,
local codes and/or regulations.
ACCESSORIES
(ie VITOTROL
REMOTE OR
MIXING VALVE)
0-10V INPUT

External accessory connection box

Note: See wiring diagram on page 47 for connection
to the control base.
PUMP
Boiler Connections
120/1/60 (12 Amps -
full load amperage)
POWER SUPPLY WITH
DISCONNECT AND
PROTECTION
27