RFZ - Thermostat ZEHNDER - Free user manual and instructions

USER MANUAL RFZ ZEHNDER

The CMFe R, WHR RF, ComfoAir RF, ComfoD RF and Santos RF can be operated remotely using a transmitter (RFZ). This has 4 buttons for setting the fan position. Position 1, position 2, position 3 and a time delay.

Before the receiver in the ventilation unit can be operated remotely, the transmitter(s) and receiver must be tuned to each other. The receiver can easily be retro-fitted to a ventilation unit without standard RF control. Once the 3-position switch / receiver combination has been fitted, the highest activated rpm is the benchmark. The receiver can simply be affixed or screwed to the wall.

The remote control is powered by a lithium battery (type: CR 2032). A new battery has a lifespan of about five years with a maximum of ten switch movements daily. Of course, the more often it is used, the shorter the lifespan.

Inserting the battery

Note: The cordless switch does not work if the battery has been fitted incorrectly. An incorrectly fitted battery can damage the electronics.

The battery must be fitted at the back of the switch. Insert the battery on the (+) side of the holder with the engraved plus (+) facing up, and then push the battery in place on the (-) side (fig. 1).

Battery replacement

Lift the battery out of the holder on the (-) side by means of a screwdriver (fig. 2). Saved functions are retained during battery replacement.

Note: Do not throw empty batteries out with the household refuse, but take them to your nearest collection point for chemical refuse.

Assembly

1. Use the screws supplied to fit locking plate A (fig. 3) to a flush outlet, or directly onto the wall using the screws and plugs. The 'TOP' marking should be visible at the top end of the locking plate.

You can also affix locking plate A (fig. 4) onto a smooth/level surface (no metal surface) by means of the self-adhesive strips (D).

1. Place cordless switch C (fig.5) into frame B, until it clicks into position.
2. Place the cordless switch and frame approx. 5 mm above locking plate A and lower it until it clicks tight into the fastening lugs of the locking plate. (fig.6)

Fig 3.

Fig 4.

Fig 5.

Fig 6.

Demounting

Fastening lugs hold the frame securely in the locking plate. Never pull the frame off without first lifting it upwards, otherwise you could damage the locking plate. (fig.7)

1. Slide the cordless switch and frame upwards by approx. 5 mm.
2. Now remove the switch and frame.

Fig.7

Operation

Functions for the user

Button Action Function description
1 Short	Position 1 (low)
2 Short	Position 2 (medium)
3 Short	Position 3 (high)
⊗	Short	Position 3, temporary 10 minutes.
	Long (>2 sec)	Position 3, temporary 30 minutes.

24 - EN

Functions for the fitter

Tuning the ventilation unit to the RFZ switch

As standard, 1 or more switches on 1 ventilation unit

1. Disconnect the ventilation system and then switch the power back on. You now have 10 minutes to program the unit.
2. Press "1" + button " " for at least 6 sec.
3. Both indicators turn red and then green. Tuning is complete. (the switch receives the address of the ventilation unit)
4. Test the 3 settings after programing the switch. For a second switch or further switches: repeat steps 1 to 4.

Multiple ventilation units on 1 switch.

1. Disconnect the ventilation system and then switch the power back on. You now have 10 minutes to program the unit.
2. Press “2” + button “ ” for at least 6 sec.
3. Both indicators turn red and then green. Tuning is complete. (the ventilation unit receives the address of the switch)
4. Test the 3 settings after programing the switch. For a second ventilation unit or further units: repeat steps 1 to 4.

Ventilation unit on 1 switch with an arbitrary address.

1. Disconnect the ventilation system and then switch the power back on. You now have 10 minutes to program the unit.

2. Press "3" + button " " for at least 6 sec.

3. Both indicators turn red and then green. Tuning is complete. (the ventilation unit R receives an arbitrary address of the switch)
4. Test the 3 settings after programing the switch.

LED indications

Left LED briefly lights up green: the ventilation unit has been set in position 1 or 3.
Right LED briefly lights up green: the ventilation unit has been set in position 2 or temporarily in position 3.
- Both LEDs light up red for 1 second: after a number of attempts, the ventilation unit has still not reacted.
- Both LEDs light up alternately red: The switch is in the fine-tune mode but the ventilation unit is not. Fine-tuning is therefore not possible. This alternate flashing continues for approx. 1 minute.
- Both LEDs light up green for 1 second: Tuning is complete.

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