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Installation Guide Danfoss Icon™ Master Controller 24 V
Upon rst installation the system is congured as
a standard oor heating system. In this application
the circulation pump output and the potential free
relay are both activated when there is a heat de-
mand.
Both the boiler relay and the pump output has a
delay of 180 seconds in this application to ensure
there is ow through the circuits before the boiler
is activated.
The use of mixing shunt, connection of circulation
pump to Danfoss Icon™ Master Controller 24V and
use of boiler relay is optional, depending on appli-
cation and available components.
To congure the Danfoss Icon™ Master
Controller 24V system for other applications an
Expansion Module (code no. 088U1100) is required.
Application
Application, Basic
• 2-pipe system
• Mixing shunt (optional)
Parts list
1 1 pc. Danfoss FHM-Cx mixing shunt (optional) Part no. 088U0093/0094/0096
2 1 set Danfoss Manifold Part no. 088U05xx (FHF), 088U06xx (BasicPlus) or
088U07xx (SSM)
3 x pcs. TWA-A 24 V thermal actuators Part no. 088H3110 (NC), 088H3111 (NO)
O
K
M1
M
M2 M3 M4 M5
LN
LN
APP
230 V
Actuator outputs - 24 V
App
Module
Link
Master
Brown
Blue
Green/Yellow
PWR1 PWR2 RELAY
Radio
Module
Opening of expansion
slot and wiring of
terminals below the
expansion slot shall
only be performed by
a trained electrician.
Risk of electric shock
RISK OF ELECTRIC SHOCK!
Removing lid and installing
230V wires should only
be preformed by a
trained professional.
VIMCG30F | 088N3678 | 5
© Danfoss | FEC | 2019.02