Viessmann VITOROND 200 Technical Data Manual page 7

Boiler Connection Kit (Standard Equipment)
consisting of boiler supply and return header
Boiler supply header
SS/RWE ACP
AQW
29½" / 750 mm
Boiler return header
SEN 2
BWR 7½"
190 mm
20¼" / 515 mm
Low Temperature Protection
Boiler model
30% Boiler Flow Package
100% Boiler Flow Package
Low temperature protection packages from
Viessmann are required for Rondomat
boilers. A 30% Boiler Flow Package is
typically utilized in single-boiler installations.
100% Boiler Flow Packages are utilized in
single- and multiple-boiler installations.
Selection of the correct package depends on
the characteristics of the heating system,
and the degree of control necessary to
protect the boiler. Contact Viessmann for
assistance.
VITOROND 200, VD2
BWS
Air vent SS/RWE
SR/RWE
BWR
SEN 1
SR/RWE
VD2- 125
Ø" 1¼
Ø" 2
30% Boiler Flow Package:
H 1 Boiler pump, 2 ball valves,
1 flow check valve
100% Boiler Flow Package:
H 1 3-Way return water mixing valve,
1 actuator, 1 circulating pump
TCP
BWS
12¾" / 325 mm
Legend
TCP Additional temperature control port ½"
AQW Aquastat well tapping ½"
BWR Boiler water return
BWS Boiler water supply
ACP Additional control port ½" (pressure gage)
SEN 1 Return temperature sensor port
SEN 2 Boiler pump temperature sensor ½"
RWE Return water elevation 1½"
SR Safety return - connection to precharged
membrane expansion tank
SS Safety supply - connection to pressure relief valve
160 195
1½
2½ 2½
Technical Data
230 270
1½
3 3
7