Vaillant MultiMatic 700/2, Product Training

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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