8
5285 280 v1.0
Cascade System Guide
Control for Heating System Loop
Additional Mixing Valves
Vitocontrol-S, is capable of controlling (1) high
temperature circuit and (2) low temperature circuits with
mixing valves.
Refer to the price book 1 and 2 for available 3 and 4 way
mixing valve sizes and corresponding part numbers.
BMS tie-ins to the Vitocontrol-S will require additional
integration equipment, the following integration equipment
is available from Viessmann;
0-10VDC Extension input module
Versatronik 505 BACIP Gateway
Versatronik 505 LONIP Gateway
External mixing valve controllers are required when
controlling 3 or more mixing valve circuits, use one
Vitotronic 200 HK1M (PN 7134627) in conjunction with
the Vitocontrol-S for each additional mixing valve circuit
in the system.
Additional equipment required when installing a Vitotronic
200 HK1M are as follows;
- (1) LON Connection cable 23 ft. (7 m) (7143495)
- (1) LON Terminal end resistors 92 pieces ( 7143497)
- (1) LON Communication modules for HK1M (7172173)
- (1) LON Communication modules for WB2B (7179113)
Venting Systems
Each boiler must be vented separately using one of the
following certified venting systems:
- Coaxial PP(s)
- Stainless steel
- CPVC Vent
- Flexible PP(s)
- PP(s) rigid venting
Refer to the Venting Installation Instructions
for more detail.
