8.5 The hydraulic Kit
Fig. 9 Description of the Hydraulic Kit with thermostatic valve working with
open vessel installation:
1-central heating pump; 2-thermostatic valve; 3-throttle valve; 4-return from DHW tank;
5-connection for open vessel; 6-return flow from the central heating; 7-forward flow for central
heating and DHW; 8-connection for open vessel; 9-open vessel*; 10-DHW tank (max. 140L)*;
11-mixing valve with servo*; 12-mixing circuit pump*; 13-DHW pump*
* - not included
Holz Master Manual
wer. 22/05/2012/EN/V1.0
HKS LAZAR
str.27
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3
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13
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