Danfoss 088U0230 Instruction Manual page 6

Instruction
3. Placing and Mounting
The Repeater Unit has been assigned
When the Repeater Unit has been assigned to the Controller, disconnect it
from the temporary 230 V power supply outlet.
• Place it somewhere between the Controller and the Room Thermostat (see
fig. 5) and connect it to a 230 V power supply outlet.
• Verify the transmission to the Controller by making a link test from the
Repeater Unit – see chapter 4.
• Perform another link test from the Room Thermostat with 1) the unsatisfac-
tory link test or 2) where system enlargement is required.
Note: Extending the transmission range of the system:
• Up to three Repeater Units can be installed in a chain – see fig. 5.
• Several chains of Repeater Units can be added to one Controller – see fig. 5.
4. Transmission Test
Initiate transmission test on the Repeater Unit – fig. 4
• Press the push button
• LED goes ON.
Link test is satisfactory
• LED goes OFF.
• Mount the front cover again.
Link test is unsatisfactory
• LED flashes 5 times.
No transmission to room / Repeater Unit
• Try to relocate the Repeater Unit.
• Or install one or up to three Repeater Units and place them between the
Controller and Room Thermostat.
VI.UH.N6.1T
6
CF-RU Repeater Unit
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Produced by Danfoss Floor Heating Hydronics 08.2010