Technical data

5.13 Complete Interface I-75/76 installation
The illustration below shows how to complete the Uponor
Interface I-75/76 installation.
To complete the Interface I-75/76 installation:
1 Check the entire installation.
• Check that Interface I-75/76 and thermostats have
power.
• Check Interface I-75/76 for alarms.
2 Close the controller cover.
3 Fill in the installation report included in this manual and
give all information about the system to the end user.
5.14 Optional: room by-pass (Interface I-76 only)
It is possible to use one room per controller as a by-pass. This
means that the loops are opened for this room when all other
loops on the controller are closed. This is needed by some heat
pumps that need a minimum fl ow and load to operate correctly.
If more than one controller is used it is possible to choose one
for each controller. To reach the by-pass settings Interface I-76
must be set to Installer level access.
1 On the Uponor screen, select Main Menu > Settings >
Rooms > By Pass.
2 Select Controller from the list and
confi rm by pressing OK.
3 Choose the relevant room for the
by-pass function.
5.15 Optional: auto-balance (Interface I-76 only)
The auto-balance function removes the need for manual
balancing of the manifold at installation. The principle for
automatic balancing is that the energy required by each loop
is distributed in pulses. The length of the pulses in each loop is
calculated from the actual heat demand of the room. The auto-
balance function requires an Interface I-76 set to Installer level
access. To activate the auto-balance function of Interface I-76:
1 On the Uponor screen, select Main Menu > Settings >
System Parameters > Auto Balance.
2 In the Auto Balance screen, select
Active and press OK. The auto-balance
function is now activated.
When Auto-balancing is used all balancing valves on the
manifold must be fully open.
5.16 Room check (Interface I-76 only)
The room check function checks that the loops and thermostats
are correctly mapped. It works best at night to minimize
interference from sunlight, kitchen appliances, and so on. It
works only if there is a heat demand and the heating is running.
You can choose which rooms to include in the test. To start the
room check Interface I-76 must be set to Installer level access:
1 On the Uponor screen, select Main Menu > Settings >
System Parameters > Room Check.
2 On the Room Check screen, select
Room Check Start/Stop and press
OK.
3 On the new Room Check screen the Room check function
can be either started or stopped. Confi rm selection by
pressing OK.
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UPONOR CONTROL SYSTEM – INSTALLATION AND OPERATION MANUAL
UK English