Honeywell EN2H-0221GE51 R0808 service manual District heating return temperature limit

Models: EN2H-0221GE51 R0808

1 258
Download 258 pages 27.36 Kb
Page 147
Image 147

SDC / DHC

Hydraulic Components

 

 

7.2.3District heating return temperature limit

Many district heating companies require min. volume flows in their networks. This can be achieved through a high temperature differential between the flow and return.

a

Example 1 (factory setting)

e

Example 4

b

Return temperature limit

f

Starting points of the

 

 

 

flexible return temperature

 

 

 

limit in examples 3 and 4

c

Example 2

x

Return setpoint

d

Example 3

y

Outside temperature

EN2H-0221GE51 R0808

147

Page 147
Image 147
Honeywell EN2H-0221GE51 R0808 service manual District heating return temperature limit