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© Danfoss 05/2011
VIUHR402
Danfoss Heating Solutions
4. Transmission Test
Initiate transmission test on room thermostat (fig. 1)
• Press the push button
.
• LED
goes ON.
Link test is satisfactory
• LED
goes OFF.
Link test is unsatisfactory
• LED
flashes 5 times.
No Link connection to room thermostat
• Try to relocate room thermostat in the room.
• Or install CF-RU Repeater Unit and locate between
Master Controller and room thermostat.
Note: When connected to a room thermostat, the Master
Controller output LED(s)
flash(es) during Link test.
Instruction
CF-RF Room Thermostat with Infrared Floor Sensor