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5773 596 v1.0
Vitocrossal 200, CM2-400, -500 and -620 Technical Data
Standard Equipment
Installation fittings for standard equipment includes:
- low water cut-off
- safety header (c/w 75 psig pressure relief valve,
air vent and pressure gage)
- drain valve
- product documentation
- combustion air intake kit
- NG to LPG conversion kit
For multi-boiler system (up to 4 boilers)
with Vitocontrol control panel
Vitotronic 300
(type GW5B)
and LON module
for modulating boiler water temperature for each
boiler of the multi-boiler system and
without Vitocontrol control panel
Vitotronic 300
(type GW5B)
and LON module
for modulating boiler water temperature in
conjunction with an external control unit (BMS).
Vitocontrol-S, CM2 control panel
with Vitotronic (300-K, type MW1B) for multi-boiler
system, outdoor reset mode and mixing valve control
for a maximum of 2 heating circuits with mixing valve
and additional Vitotronic 200-H, type HK1B for 1
heating circuit with mixing valve.
For single boiler systems
Vitotronic 300
(type GW5B)
Outdoor reset control for stand alone operation, for
modulating water temperature with mixing valve
(optional expansion board for two additional circuits).
Boiler Control Alternatives
CM2 Boiler model
400
500
620
Thermal insulation
2
2
2
Cylinder burner
1
1
1
Boiler control unit (see boiler control alternatives below)
1
1
1
Boiler coding card
1
1
1
Technical documentation
2
2
2
Combustion air intake kit
1
1
1
Junction box
1
1
1
Boiler body with fitted mating ANSI flanges and gaskets
to all connectors and fitted protective crate, plus flue gas
collector collar.
Specifications
For single-boiler or multiple-boiler installations
Custom control panels for residential or commercial
applications are designed and manufactured by Viessmann
to suit any customer’s specific requirements. Custom
control panels can integrate features such as pool heating,
hot tub heating, snow melting, telephone tie-in, integration
with Building Management Systems, as well
as several other functions. Please inquire.
Boiler Accessories
Refer to the common venting flue vent
damper Installation Instructions.
- Motorized flue gas damper (for cascade venting system)
