Viessmann VITODENS 200-W Installation And Service Instructions Manual page 45

Matching the control unit to the heating system
System version 4
One heating circuit without mixer, one heating circuit with mixer M2 (with extension kit), one heating circuit with
mixer M3 (with extension kit) and low loss header (with/without DHW heating)
1
5
6
4
Fig. 38 ID: 4605524_1404_03
Vitodens 200-W
1
Outside temperature sensor
2
Boiler circuit pump
3
4 Circulation pump for cylinder heating
DHW cylinder
5
Cylinder temperature sensor
6
Heating circuit without mixer A1 (heating circuit 1)
7
Heating circuit pump A1
8
Heating circuit with mixer M2 (heating circuit 2)
9
Flow temperature sensor M2
qP
Function/system components
Operation with LPG
System only with two heating circuits with mixer, with extension kit for
heating circuit with mixer (without unregulated heating circuit)
With DHW cylinder
■
Without DHW cylinder
■
System without DHW circulation pump
Heating circuit pump A1 connected at internal extension H1 or H2
System with DHW circulation pump
Heating circuit pump A1 connected at AM1 extension, terminal A1
DHW circulation pump connection at extension AM1, terminal A2
System with low loss header
7
2
8
qO
qI
3
Commissioning, inspection, maintenance
(cont.)
9
qE
qR
qP
qT
qQ qZ
qW qU
M M
Heating circuit pump M2
qQ
Extension kit for one heating circuit with mixer M2
qW
Heating circuit with mixer M3 (heating circuit 3)
qE
qR Temperature limiter to restrict the maximum tem-
perature of underfloor heating systems
Flow temperature sensor M3
qT
Heating circuit pump M3
qZ
Extension kit for one heating circuit with mixer M3
qU
Low loss header
qI
Flow temperature sensor, low loss header
qO
Code
Set Group
82:1 "General"
00:8 "General"
00:7 "General"
53:2 "General"
"General"
—
"General"
—
04:0 "Boiler"
45