A
Power supply connection 230 V~ 50 Hz; install a mains isolator in
accordance with regulations
B
Flow distributor (under pressure)
C
Return collector
D
Floating contact for burner start by the third party control unit
E
Additional motorised valve in the flow to the Vitotrans 222 if the
differential pressure between the flow distributor and the return
collector > 3 bar (0.3 MPa)
In conjunction with a third party control unit, the cylinder loading pump
is regulated by the Vitotronic 200-H.
The top cylinder temperature sensor is connected to plug
%
A, while
the bottom one is connected to plug
%
B.
System-specific coding at the Vitotronic
4
Set code "4C : 1":
Use of output
sÖ
as primary pump for the heat exchanger set.
Set code "4E : 1":
Use of output
gS
as primary control for the heat exchanger set.
Set code "55 : 3":
Use of cylinder temperature control for the heat exchanger set.
Set code "6A : 113":
With Vitotrans 222, 240 kW, servomotor runtime 113 s.
Set code "9F : 1" if no outside temperature sensor is connected (e.g.
Vitotronic 200-H, type HK1B, only regulates the Vitotrans 222).
Contactor relay connection
Required components
Pos. Title Number Part no.
1
Vitocell 100-L, 500 l (shown), or subject to system Z002 074
Vitocell 100-L, 750 l, or subject to system Z004 042
Vitocell 100-L, 1000 l subject to system Z004 043
2
Vitotrans 222
– up to 80 kW 1 7453 039
– up to 120 kW 1 7453 040
– up to 240 kW 1 7453 041
3
Mixer assembly (incl. 3-way mixing valve, servomotor, sensors, pipework) for the Vitotrans 222
– up to 120 kW 1 7164 620
– up to 240 kW 1 7164 621
4
Vitotronic 200-H 1 see pricelist
5
Contactor relay 1 7814 681
Installation — cylinder loading system
(cont.)
DHW heating
VIESMANN
47
5414 646 GB
7
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