EPH Controls RDT-RF Installation And Operation Manual
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EPH Controls RDT-RF Installation And Operation Manual

Mains recessed rf room thermostat
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RDT-RF
Mains Recessed RF Room Thermostat
Installation and Operation Guide

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Summary of Contents for EPH Controls RDT-RF

  • Page 1 RDT-RF Mains Recessed RF Room Thermostat Installation and Operation Guide...

  • Page 2: Table Of Contents

    On / O Function Adjusting the Target Temperature Locking the Keypad Backlight Menu P0 1 Connecting a RDT-RF P0 2 Operating Mode Nor (Normal Mode) Delay Start Control (On/O ) Time Proportional Integral Mode (TPI) P0 3 Setting High and Low Limits...
  • Page 3 P0 5 Calibrate P0 7 Setback Mode P0 8 AFS - Air / Floor Sensor P0 9 FHL - Floor High Limit Resetting the Thermostat...

  • Page 4: Installation Instructions

    Mains Recessed RF Room Thermostat Installation Instructions...

  • Page 5: Factory Default Settings

    Factory Default Settings Temperature indicator: ˚C Keypad lock: Backlight: Auto Operating mode: Normal High and low Limits: Hysteresis: 0.4˚C Setback temperature: 0˚C AFS - Air / Floor / Sensor: 01 Internal Air Sensor FHL - Floor High Limit: 26˚C EPH Controls Ltd.

  • Page 6: Speci Cations

    5-95% RH Dimensions: 95 x 95 x 40mm Internal temperature sensor: NTC 100K Backlight: White IP rating: IP20 Pollution degree: Hysteresis Adjustable from 0 to 1°C (Switching di erential) 0.1°C increments Automatic action: Setback temperature: Adjustable 0 to 10˚C RDT-RF...

  • Page 7: Lcd Display

    LCD Display Room Current/Target Mode temp temperature setting mode Setting target temperature Setback mode is enabled Keypad locked Calling for RF transmission heat Setting Calibration Displays when high O mode hysteresis mode & low temperature EPH Controls Ltd.

  • Page 8: Buttons

    Buttons Standby button OK button Setpoint Setpoint decrease increase RDT-RF...

  • Page 9: Wiring

    Wiring Floor Sensor Sensor Terminal Connections Live In Neutral In 1 & 2 External air sensor 3 & 4 External oor senor Note: NTC10K temperature sensor can be bought separately as an accessory. EPH Controls Ltd.

  • Page 10: Mounting & Installation

    Prior to setting the thermostat, it is necessary to complete all ƒ required settings described in this section. Before commencing installation, the thermostat must be rst ƒ disconnected from the mains. This thermostat can be mounted to a 1 Gang recessed back box. RDT-RF...
  • Page 11 10. Wire the thermostat according to the wiring diagram on page 7. Screw the rear wiring box to the recessed back box. Attach the front housing to the rear wiring box until it clips securely into place. EPH Controls Ltd.
  • Page 12 40.2 15.2 45 113...

  • Page 13: Operating Instructions

    Mains Recessed RF Room Thermostat Operating Instructions...

  • Page 14: On / O Function

    To lock the thermostat, press and hold for 10 seconds. will appear on the screen. The buttons are now disabled. To unlock the thermostat, press and hold for 10 seconds. will disappear from the screen. The buttons are now enabled. RDT-RF...

  • Page 15: Backlight

    AUTO, ON and OFF. Press to con rm selection and to return to normal operation. Menu This menu allows the user to adjust additional functions. Press and hold together for 5 seconds to access the menu. EPH Controls Ltd.
  • Page 16 P0 1 Connecting a RDT-RF This function allows the user to connect a RDT-RF to a UFH10-RF or a R_7-RF programmer. To connect a RDT-RF to a UFH10-RF 1. On the UFH10-RF: , ‘P01 rF COn’ will appear on the screen.
  • Page 17 Connecting a RDT-RF to a R_7-RF 1. On the R_7-RF Press , ‘P01 rF COn’ will appear on the screen. MENU Press , ‘RF CONNECT’ will appear solid on the screen. 2. On the RDT-RF: Press and hold together for 5 seconds.

  • Page 18: P0 2 Operating Mode

    ‘P01’ will appear on the screen. Press until ‘P02’ appears on the screen. Press to select. to select between: nOr (Normal mode) dS (Delay Start mode) tPi (Time Proportional Integral mode) Press to con rm the mode. Press to return to normal operation. RDT-RF...
  • Page 19 When the temperature rises above the target temperature, will disappear, and the thermostat will cancel the demand for heat. Graph (17.1): On / O Control Temp 22˚C Target Temperature 21˚C 20˚C 19˚C 18˚C 17˚C Time Minutes EPH Controls Ltd.

  • Page 20: Delay Start Control (On/O )

    E.g: If the temperature is 6˚C below the thermostat target, the thermostat will call for heat immediately. If the temperature is 2˚C below the target, the thermostat will not call for heat for 32 minutes. Temperature below thermostat setting °C RDT-RF...
  • Page 21 24 minutes. If the di erence is 6°C or more then the thermostat will be switched on immediately. The time delay will change if the temperature drops from the original calculation. EPH Controls Ltd.

  • Page 22: Time Proportional Integral Mode (Tpi)

    CyC – Number of Heating Cycles per hour 6 Cycles This value will decide how often the thermostat will cycle the heating on and o when trying to achieve the target temperature. You can select 2, 3, 6 or 12. RDT-RF...
  • Page 23 TPI control. You can set this temperature from 1.5°C to 3.0°C in 0.1°C increments. Graph (21.1): TPI Control Temp 22˚C 21˚C Target Temperature 20˚C Proportional Bandwidth 19˚C 18˚C 17˚C Time Minutes Heating On Heating O EPH Controls Ltd.
  • Page 24 Once TPI mode is selected, ‘CYC’ and ‘06’ will appear on the screen. to select from 2, 3, 6 or 12. Press to con rm. ‘P Band’ and ‘2.0’ will appear on the screen. to select from 1.5 to 3.0. Press to con rm. Press to return to normal operation. RDT-RF...

  • Page 25: P0 3 Setting High And Low Limits

    ‘LOW LIMIT’ will appear on the screen, the temperature will begin to ash. to select the low limit for the thermostat. Press to con rm. Press to return to normal operation. ‘LIMIT’ will appear on the screen. EPH Controls Ltd.
  • Page 26 ‘HYS On’ temperature. Press to con rm. ‘HYS’ & ‘OFF’ will appear on the screen. and the ‘HYS OFF’ temperature will begin to ash. Press to select the ‘HYS OFF’ temperature. Press to con rm. Press to return to normal operation. RDT-RF...

  • Page 27: P05 Calibrate

    Press until ‘P05 & CALIBRATE’ appears on the screen. Press to select. ‘CALIBRATE’ and the actual temperature will appear on the screen. Press to calibrate the temperature. Press to con rm. Press to return to normal operation. EPH Controls Ltd.

  • Page 28: P0 7 Setback Mode

    0°...10°C. Press to con rm. Press to return to normal operation. The setback temperature will be saved and the user will be returned to the previous screen. When in Setback mode ‘SB’ will appear on the screen. RDT-RF...

  • Page 29: P0 8 Afs - Air / Floor Sensor

    04 Internal air sensor with an external hight limit sensor This option allows the user to record the room temperature with the internal sensor while having the external sensor record the oor temperature to prevent overheating. (NTC10K temperature sensor required). EPH Controls Ltd.
  • Page 30 ‘01’ will ash on the screen. to choose between options 01, 02, 03, 04 or 05. Press to con rm. Press to return to normal operation. Note: NTC10K temperature sensor can be bought separately as an accessory. RDT-RF...

  • Page 31: P0 9 Fhl - Floor High Limit

    ‘P01’ will appear on the screen. until ‘P08’ appears on the screen. Press Press to select. The high limit temperature will ash on the screen. to choose the desired high limit temperature. Press to con rm. Press to return to normal operation. EPH Controls Ltd.

  • Page 32: Resetting The Thermostat

    ‘P01’ will appear on the screen. Press until ‘RST’ appears on the screen. Press to select. ‘NO’ will ash on the screen. Press ‘YES’ will ash on the screen. Press to con rm. The thermostat will restart and revert to its factory settings. RDT-RF...
  • Page 33 Notes...
  • Page 34 Notes...
  • Page 35 Notes...
  • Page 36 EPH Controls IE technical@ephcontrols.com www.ephcontrols.com/contact-us +353 21 471 8440 Cork, T12 W665 EPH Controls UK technical@ephcontrols.co.uk www.ephcontrols.co.uk/contact-us +44 1933 322 072 Harrow, HA1 1BD...

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