Application - Danfoss ECL Comfort 310 Installation Manual

Installation Guide

7.5 Application

Send desired T
Circuit
3
When the controller acts as a slave controller in a master / slave system,
information about the desired flow temperature can be sent to the master
controller via the ECL 485 bus.
OFF:
Information about the desired flow temperature is not
sent to the master controller.
ON: Information about the desired flow temperature is sent
to the master controller.
P exercise (pump exercise)
Circuit
3
Exercises the pump to avoid blocking in periods without heat demand.
OFF:
The pump exercise is not active.
ON:
The pump is switched ON for 1 minute every third day at
noon (12:14 hours).
M exercise (valve exercise)
Circuit
3
Exercises the valve to avoid blocking in periods without heat demand.
OFF: The valve exercise is not active.
ON: The valve opens for 7 minutes and closes for 7 minutes
every third day at noon (12:00 hours).
P frost T
Circuit
3
When the outdoor temperature is below the set temperature in 'P frost T' ,
the controller automatically switches ON the circulation pump to protect
the system.
OFF: No frost protection.
-10 ... 20: The circulation pump is ON when the outdoor
temperature is below the set value.
138 DEN-SMT/DK
ECL Comfort 310, application A376
13500
Setting range Factory setting
OFF / ON
13022
Setting range Factory setting
OFF / ON
13023
Setting range Factory setting
OFF / ON
13077
Setting range Factory setting
OFF / -10 ... 20 °C
In the master controller, 'Demand offset' must be set to a value in order
ON
to react on a desired flow temperature from a slave controller.
ON
OFF
Under normal conditions, your system is not frost protected if your
2 °C
setting is below 0 °C or OFF.
For water-based systems, a setting of 2 °C is recommended.
VI.GU.B1.02
Danfoss District Energy