External commands mode
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Line No. Value
•
Configuration
menu
Configure input H1 to make an on/off
command by dry contact
H1 input function (5950) Blocked generator,
waiting
If you want the blocking command to be
effectuated when you CLOSE your contact
Contact H1 action direction (5951) Operation contact
If you want the blocking command to be
effectuated when you OPEN your contact
Contact H1 action direction (5951) Normally-closed contact
(NC)
INFORMATION:
The frost protection function is still ensured even when the Dorchester
DR-SG is blocked.
For a product blocking request made by external information with a VF
contact
Line No. Value
•
Configuration
menu
Configure the H1 input
H1 input function (5950) Switching of heating
c DHW operation
If you want "no DHW request" to switch to "DHW request comfort mode"
when you CLOSE your contact
Contact H1 action direction (5951) Operation contact
If you want "no DHW request" to switch to "DHW request comfort mode"
when you OPEN your contact
Contact H1 action direction (5951) Normally-closed contact
(NC)
•
Switch the DHW mode when stopped
•
Activate the DHW request via your dry
contact The screen then displays
To switch from “no DHW request” to “DHW request comfort mode”
13.01.2023
Page 77 / 104
DORCHESTER DR-SG -
Installation, Operation and Maintenance