Locating The Room Unit; Communication Loss; Installer Mode; Entering Installer Mode - Acv Rc35Rf Einbauanleitung

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2.2.3 Locating the Room Unit

While still in the Test Mode, as described in section 2.2.2, the Room Unit should be
located taking the following into consideration and reviewing the illustrations below:
1. Find a suitable location where the signal transmission is reliable. Reliable transmission
is indicated when the RF Receiver is flashing the green LED every 6 seconds.
2. Install the Room Unit EITHER on the wall using the wall bracket OR
attach the optional table stand as shown in below.
3. Exit the Test Mode by pressing the or
• The Room Unit should be installed in an open space for best performance as it is a radio frequency device.
• Leave at least 30cm distance from any metal objects including wall boxes and at least 1 metre from any other
electrical equipment eg. radio, TV, PC etc.
• Do not mount onto metal wall boxes. • It is recommended that the RF Receiver is fully installed.

2.3 Communication Loss

In the event of an RF communications loss, the LED on the RF
Receiver will indicate which type of fault has occurred.
• If there is a communications fault between the RF Receiver and the Room Unit, then
the LED on the RF Receiver will flash red for 0.1 sec ON every three seconds
• If there is a fault in communications between the boiler or System Controller, then the
LED on the RF Receiver will flash 3 times quickly and then be off for three seconds,
• If there is more than one Room Unit installed, as in multi-zone systems for
example, and communications is lost with one zone, then the red LED on the RF
Receiver will flash two times quickly and then be off for two seconds.
• If there is more than one Room Unit installed, as in multi-zone systems for
example, and communications is lost with both zones, then the red LED on
the RF Receiver will flash once for 0.1 sec ON, and 0.9 sec OFF.
Once the faulty device has been identified, replace as necessary and follow the re-
binding procedure as described in section 4. Binding / Rebinding Procedure.
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INSTALLATION AND OPERATION MANUAL
button.
Wall bracket Table stand
INSTALLATION AND OPERATION MANUAL

3. Installer Mode

Installer Mode is used to alter the system settings for specific applications,
to use the special features of the Room Unit in a different way or to alter the
factory preset parameters. Parameters are divided into two groups:
- Category 1 parameters – Room Unit Setup
- Category 2 parameters – System Setup.
These are all listed in section 3.4 Installer Parameters Table.

3.1 Entering Installer Mode

1
1 2 3 4 5 6 7
MANAUTO
1..6
2 1
Press the button.
Press and hold the button and the
PROGRAM & buttons together.
3
Press the or to
change factory setting.
The display will flash
indicating that a change
has been made.
5
Press button
to go to the next
parameter.

3.2 Fail-Safe Mode Setup

The fail-safe mode defines the system status if the RF communication is lost (e.g. when the Room
Unit stops communicating due to discharged batteries). If the system is a direct (radiator one),
then the factory setting will make the system revert to a set point of 10°C for frost protection. If
indirect loops are added, the system will continue to operate at the last communicated setpoint.
2
2
The unit will display the first parameter
of installer parameter group category 1
(from Parameter n.1 to n.19) as shown
4
Press the green
button to confirm
the change.
The display will
stop flashing.
6
Press the button to go to Installer parameter
group category 2 ( ) (from Parameter n.4 to n.14).
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To exit the installer mode press
the or buttons.
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