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5. First start
5.1
After installation
Check that:
1.
All sensors have been mounted in the designated spaces.
2.
All connections are properly installed, the systems are filled with liquid
and have been pressure tested and checked for tightness.
3.
The system is pressurised and bled. Make extra sure that the heat
exchanger in CTC EcoComfort is bled; use the air valve in the unit.
Additional bleeding may be needed after start-up.
5.2
Start-up
Switch on the main switch for the CTC controlling product.
5.3
Selecting cooling function
The cooling function can now be selected in the controlling product's menu
system. Go to the "Advanced/Define system/Cooling" menu and select
"Yes".
5.4
Selecting system type/Menu
settings
For menu settings, see the Installation & Maintenance Manual for the
controlling product.
5.5
Bleeding and function test
Additional bleeding can now be performed by manually activating the
pump and mixing valve in the controlling product (the mixing valve in
CTC EcoComfort also has a "manual mode"). Push in and twist as shown in
the picture to release the mixing valve knob.
After activating the cooling function in the controlling product, check the
following by going to the "Advanced/Service/Function test" menu on the
controlling product:
•
The pump in CTC EcoComfort receives power when activated.
•
The mixing valve closes (moves towards zero) when the "reduce" signal
is activated.
•
The mixing valve opens (moves towards 10) when the "increase signal"
is activated.
!
For menu settings,
see the Installation &
Maintenance Manu-
al for the controlling
product.
Disengaging the mixing valve for
manual mode.
CTC EcoComfort
19
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