Vaillant MultiMatic 700/2 - Key for System Diagrams and Connection Diagrams

multiMATIC 700/2
Notes
10/2015 7 Training 0020228700_00
3.2.3 Key for system diagrams and connection diagrams
Item
Description
Item
Description
1
Heat generator
25
Solar pump unit
2
Heat generator pump
26a
Solar charging system
2a
Swimming pool circulation pump
26b
Drinking water station
2b
CHP circulation pump
27
Cylinder charging pump
2c
Hot water charging pump
28
Zone valve
3
Heat pump
29
Thermal discharge safety device
3a
Passive cooling assembly
30
Non-return valve
4
Buffer cylinder
31
Regulating valve
5
Domestic hot water cylinder
32
Cap valve
5b
DHW cylinder with pipe heat exchanger
33
Dirt trap
5c
Multi-functional cylinder
33a
Sludge separator set
6
Tank in tank
34
Increase in return flow
7
Sequence cylinder
34a
Increase in return flow mixing
8
Solar combi storage tank
35
Flow switch
9
Gas cock
36
Thermometer
10
Thermostatic radiator valve
37
Air separator
12
Unit electronics
38
Diverter valve (internal)
13
Heat generator control system
39
Thermostatic mixer
13a
Remote control unit
40
Heat exchanger
13b
Mixer module
42a
Expansion relief valve
13d
Hot water charging controller
42b
Diaphragm expansion tank
13e
System controller
42c
Diaphragm expansion vessel for drinking
water
13f
Expansion module
43
Safety group for water connection
13g
Solar module
45
Low loss header
13h
eBUS bus coupler
48
Pressure gauge
14
Swimming pool controller
49
Flow meter (Taco setter)
15
Condensate pump
50
Bypass valve
16
Outside temperature sensor/DCF receiver
51
Hydraulic block
16a
Outside temperature sensor
52
Individual room control valve
17
Drinking water station (DWS)
53
Heat recovery module
18a
Hot water charging sensor
53a
Flexible connections
18b
Hot water generation cylinder sensor
56
Heat pump brine filling unit
19
Limit thermostat
57
Brine expansion tank
20
Flush connection
58
Filling and draining valve
21
Flue gas thermostat
59
Solar automatic air vent with lock
22
Cut-off relay
60
Purging valve
24
Home unit
63
VFK solar collector