Vailant ecoTEC plus 937, Инструкция по установке и обслуживанию

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Installation and maintenance instructions ecoTEC plus 937 0020031552_06
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2.4 Structure and functional elements
The ecoTEC plus 937 consists of
a modified combination boiler and
a 15 litre shift load storage tank.
Mains cold water heated by the combi unit is fed to the
heat insulated storage tank by means of a modulating
storage tank charging pump.
The combi unit supplies the shift load storage tank with
electrical energy for the storage tank charging pump.
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Fig. 2.3 Function elements combi unit
Legend:
1 Expansion vessel combi boiler
2 Air intake pipe
3 Compact thermal module
4 Ignition
electrode
5 Fan
6 Diverter valve with built in automatic adjustable bypass
7 pump
8 Electronics
box
9 Hot water heat exchanger
10 Gas valve
11 Pressure
sensor
12 Heat exchanger
13 Connection flue duct
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Fig. 2.4 Function elements shift load storage tank
Legend:
1 Shift load storage tank expansion vessel
2 Aqua-Sensor
3 Storage charging pump
4 NTC temperature sensor - hot water outlet
5 Storage tank pressure relief valve
Unit description, data and dimensions 2