Sample Application 2 - Vitocell 100-L With Vitotrans 222 And A Third Party Control Unit - Viessmann Vitocell 100-H Technical Manual

Installation — cylinder loading system
Sample application 2 – Vitocell 100-L with Vitotrans 222 and a third party control unit
(modulating boiler operation)
5 A 5
6
1
A Power supply connection 230 V~ 50 Hz; install a mains isolator in
accordance with regulations
B Flow distributor (under pressure)
C Return collector
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).
Required components
Pos. Title
1 Vitocell 100-L, 500 l (shown), or
Vitocell 100-L, 750 l, or
Vitocell 100-L, 1000 l
2 Vitotrans 222
– up to 80 kW
– up to 120 kW
– up to 240 kW
3 Mixer assembly (incl. 3-way mixing valve, servomotor, sensors, pipework) for the Vitotrans 222
– up to 120 kW
– up to 240 kW
4 Vitotronic 200-H
5
Contactor relay
DHW heating
(cont.)
A1
4
5 5 B 21 17 52
M
A1
40 A
20
D
5
E
3
B
7
2
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)
Contactor relay connection
KK
20
D
ø ø
L N
M
1~
C
5
Number Part no.
subject to system Z002 074
subject to system Z004 042
subject to system Z004 043
1 7453 039
1 7453 040
1 7453 041
1 7164 620
1 7164 621
1 see pricelist
1 7814 681
VIESMANN
7
47