Viessmann VITODENS 200-W Technical Manual page 14

Installation accessories
Divicon heating circuit distributor
Construction and function
■ Available with R ¾ , R 1 and R 1¼ connections.
■ With heating circuit pump, check valve, ball valves with integral ther-
mometers and 3-way mixer or without mixer.
■ Quick and simple installation through pre-assembled unit and com-
pact design.
■ Low radiation losses through all-round thermal insulation shells.
■ Low electricity costs and precise control characteristics through the
use of high efficiency pumps and optimised mixer curve.
■ Also available with staged pumps.
2
For part no. in conjunction with the different circulation pumps, see Viessmann pricelist.
The dimensions of the heating circuit distributor are the same, with or without mixer.
HV HR
120
A
B
C
D
E
HV HV HR HR
Divicon with mixer (wall mounting without thermal insulation and with-
out mixer drive extension set)
HR Heating return
HV Heating flow
A Overflow valve (accessory for multi-stage circulation pump)
B Ball valves with thermometer (as programming unit)
C Circulation pump
D Bypass valve (accessory)
E Three-way mixer
VIESMANN
14
(cont.)
151
a
b
G 1½
■ The bypass valve for hydraulic balancing of the heating system is
available as an accessory as a threaded component for inserting into
the prepared hole in the cast body.
■ The overflow valve may be required when using staged pumps to
prevent the heating system running noisily. It is mounted onto the
Divicon.
■ Individually wall mounted or with a double or triple manifold.
■ Also available as kit. For further details, see the Viessmann pricelist.
Heating circuit connec- R
tion
Flow rate (max.) 3
m /h
a (female) Rp
a (male) G
b (female) Rp
b (male) G
¾ 1 1¼
1.0 1.5 2.5
¾ 1 1¼
1¼ 1½ 2
¼ 1 1¼
1¼ 1¼ 2
VITODENS 200-W