Honeywell EN2H-0221GE51 R0808 ユーザーズマニュアル

Hydraulic Components 

SDC / DHC  

152 EN2H-0221GE51 

R0808 

 = Actual temperature at flow sensor "hot-water pre-

control" 

 = Hot-water setpoint temperature 

)

(

09 HW

= Value of parameter 09 (hot-water loading temperature 

offset) 

= Switching difference hot water 

 

Both pumps (tank loading pump and hot-water pre-control) switch 
off after completion of a hot-water circuit loading, taking into 
account their extended running times. If they are to switch off 
simultaneously, identical extended running times must be 
selected for them. 

 

For monetary reasons, hot-water tanks are not used in many 
district heating systems, especially in Eastern Europe. The hot-
water setpoint temperature is held in a closed loop pipeline here 
(see hydraulic example). 

MK

SF

VF

SLP

b

a

 

a  Flow from closed loop 

pipeline 

b Draw-off 

points 

 

•  Minimum spread between the tank sensor and the return 

sensor from which an offset at the valve is given (see "Mixed 
Heating Circuit 1"/"Mixed Heating Circuit 2" menu, parameter 
39) 

•  Additional value for offset in %/K deviation (valve staring point 

for controller) (see "Mixed Heating Circuit 1"/"Mixed Heating 
Circuit 2" menu, parameter 40)