INSTALLATION AND
OPERATING INSTRUCTIONS
TF 22 REMOTE REGULATOR
DESCRIPTION
The TF 22 remote regulator is a temperature controller
equipped with operating mode switch, room temperature sensor, and error indicator LED. It is supported by the following
control systems:
• MCR 35, 36, 40, 200
• DHC 23
• Excel 500
INSTALLATION OF THE TF 22
Figure 1: Locations for installation
1. Remove housing cover of the remote regulator.
Figure 2: Removing housing cover
2. Screw remote regulator to the flush distribution box.
Figure 3: Dimensions of housing
3. Connect the cable coming from the controller.
Figure 4: Wiring diagram
Wiring of the terminals:
1 Desired value 4 not used
2 + 10 V 5 Room sensor
3Earth 6 LED
4. Return cover to housing by placing top edge against backplate and snap lower part of cover onto housing.
Figure 5: Replacing of housing cover
OPERATION AND FUNCTIONS
Figure 6: Operating devices and indicators
1 Operating mode switch
2 LED (error indicator)
3 Temperature selector with scale
4 Temperature sensor (to the side)
TF 22 in operation with systems MCR 35, 36, 40, 200, DHC 23 and EXCEL 500
Operating mode switch
The operating mode switch allows for the selection of three
different functions:
Position Operating
mode
Auto
Note
Temperature selector
Automatic Heating is controlled by timer.
Daytime Only desired value for day applies.
Switch-off Heating is switched off. In the event of
The operating mode switch of the TF 22 does not in
any way influence the warm water program.
The desired value can be changed only if the
operating mode switch is set to positions Auto or
respectively.
Range: –7...+7 °C
Mid-point position: 0 °C
(in relation to controller settings)
Function
danger of frost, the heating pump and
the burner are automatically switched
on.
LED
Function in operation with MCR 200: The LED is
on if the controller has detected an error.
The LED may also be used with other systems.
The input voltage is
5 – 24 V AC or DC.
TF 22 in operation with Excel 500 System
If the TF 22 is operated with the Excel 500 System, the
temperature range and options of the operating mode switch
can be chosen to suit your needs.
In such an installation, the feedback control system of the Excel
System provides information on the current configuration of the
switch.
TECHNICAL DATA
Sensor device: NTC thermistor
Resistance: 20 kΩ at 25 °C
Temperature range: –15...+40 °C
Dimensions (H×W×D): 103 × 98 × 28 mm
Installation: Installation on wall or
on standard 60 mm distribution box
Max. operating
temperature / humidity: 0...50 °C / 5...95% humidity
Max. storage
temperature / humidity: –35...+70 °C / 5...95% humidity
Electric connection: Terminals for max. 1.0 mm
wire diameter
Protection class: IP 30, DIN 40 050
or IEC 144
Technical data regarding the NTC thermistor:
see publication GE3R-1106.
2
Control Products
Honeywell AG
Böblinger Strasse 17
D-71101 Schönaich
Phone: (49) 7031 637 01
Fax: (49) 7031 637 493
http://europe.hbc.honeywell.com
Manufacturing location certified to
Subject to change without notice. Printed in Germany
EN1H-0140GE51 R1102
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