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

SDC / DHC 

Hydraulic Components 

EN2H-0221GE51 R0808 

149 

Besides return temperature limitation either volume flow limit or 
thermal output limit can also be set for this controller. The 
selection of these functions is described below in parameter 11. 

08 Max. 

return 

setpoint 

0 ... 100  90 

0.5 

°C 

09 Starting 

point 

of the flexible 
district heating 
return 
temperature 

Off 

–40...+10

Off 0.5 

°C 

11 Return 

limit 

0 = 
Temperature 

1 = Volume 
flow and 
temperature 

2 = Heat output 
and 
temperature 

0 / 1 / 2 

0 

- 

- 

 

In the case of hot-water loading a special constant return setpoint 
applies. It is valid only if the hot-water loading pump is operating. 
The return setpoint is to be set with parameter 10.  

Para-
meter 

Designation 

Range  

Presetti
ng 

Step 

Unit 

10 Hot-water 

circuit loading: 
Target return 

40 ... 100  90 

0.5 

°C