EPH Controls EDBS Installation And Operation Manual
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EPH Controls EDBS Installation And Operation Manual

Electronic cylinder thermostat
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EDBS
Electronic Cylinder Thermostat
Installation and Operation Guide

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Summary of Contents for EPH Controls EDBS

  • Page 1 EDBS Electronic Cylinder Thermostat Installation and Operation Guide...

  • Page 2: Table Of Contents

    Table of contents Installation Instructions Factory Default Settings Speci cations LCD Symbol / Button Description Wiring Mounting & Installation Installation Drawing Operating Instructions Resetting the High Limit Thermostat Adjusting the Setpoint Temperature Setting the Date & Time Legionella Function Auto Lock Function Backlight Mode Selection High &...

  • Page 3: Installation Instructions

    Installation Instructions...

  • Page 4: Factory Default Settings

    Clock: 24 hours Day light saving: Legionella function: Legionella set temperature: 65˚C Auto lock: Backlight: Auto Maximum temperature setting: 80°C Minimum temperature setting: 10°C Hysteresis On: 5°C Hysteresis O : 0°C High Limit Cut Out: 85˚C - Not adjustable EDBS...

  • Page 5: Speci Cations

    Speci cations Power supply: 230Vac 50-60Hz Power consumption: 1.8W Temperature control range: 10…80°C Ambient temperature: 0…45°C Admissible ambient humidity: 5-95%RH Dimensions: 100 x 105 x 42.5 mm Contact rating: Battery: LIR 2032 Backlight: Blue IP rating: IP20 Pollution degree: Pollution Degree 2 Rated impulse voltage: Automatic action: Temperature sensor:...

  • Page 6: Lcd Symbol / Button Description

    LCD Symbol / Button Description LCD Display Day of the week Current Day Legionella Function and Month is activated Current Time Keypad is locked (24 Hr mode) Current probe temperature Thermostat is calling for heat Button Handwheel High Limit Thermostat Reset Button EDBS...

  • Page 7: Wiring

    Wiring Heat Heat 200-240Vac Switch Live from 50Hz-60Hz Programmer Caution! Mains voltage output only ƒ Terminal Connections Heat OFF Heat ON Live in from Mains Supply Neutral in from Mains Supply Switch Live Electronic Cylinder Thermostat...

  • Page 8: Mounting & Installation

    Prior to setting the thermostat, it is necessary to complete all required settings described in ƒ the section. The EDBS is designed to t directly onto a hot water cylinder pocket. 1) Loosen the 3 screws on the back housing of the thermostat. 2) Remove the back housing.

  • Page 9: Installation Drawing

    Installation Drawing Electronic Cylinder Thermostat...

  • Page 10: Operating Instructions

    Operating Instructions...

  • Page 11: Resetting The High Limit Thermostat

    Resetting the High Limit Thermostat This thermostat consists of a control thermostat and a high limit thermostat. The high limit thermostat has a maximum permissible temperature of 85°C. If the high limit temperature is exceeded, the temperature will continuously ash on the screen to alert you that a manual reset is required.

  • Page 12: Setting The Date & Time

    Press to con rm. Rotate to select daylight saving. Press to con rm and to return to the menu. Rotate to exit the menu Press to con rm. Alternatively, the menu will be exited after 20 seconds. EDBS...

  • Page 13: Legionella Function

    Legionella Function Legionella bacteria can thrive in hot water cylinders that have a water temperature of between 20°C and 50°C. The purpose of the Legionella function on this thermostat is to remove any threat of Legionella bacteria surviving by raising the temperature of the hot water in the cylinder above 60°C for a speci c period of 1 hour.
  • Page 14 65˚C will ash on the screen. Rotate to select the desired temperature of between 60°C & 70°C. Press once to con rm. “03:00” will ash on the screen. Rotate to select the start time. Press once to con rm. EDBS...
  • Page 15 “MON” will ash. To select “MON”, rotate clockwise once. Rotate anti-clockwise once to skip “MON”. You can then choose to select or skip the other days of the week. Turn clockwise to Select or anti-clockwise to Skip. Press once to con rm and to return to the menu. Rotate to exit the menu Press...

  • Page 16: Auto Lock Function

    The Auto Lock function allows you to set an automatic handwheel lock for the thermostat. When activated, the thermostat will automatically lock if is not rotated or pressed for 5 minutes. You can lock or unlock the thermostat by pressing for 10 seconds. EDBS...
  • Page 17 Setting the Auto Lock Function Double press the handwheel to enter the menu. Rotate to select the Auto lock function. (Menu P03) will appear. Press once. “O ” will appear on the screen. Rotate to select “On”. Press once to con rm and to return to the menu. Rotate to exit the menu Press...

  • Page 18: Backlight Mode Selection

    Backlight Mode Selection There are 3 backlight settings available for selection: AUTO: Backlight stays on for 10 seconds after is pressed or rotated. Backlight is permanently On OFF: Backlight is permanently O EDBS...
  • Page 19 Setting the backlight: AUTO Double press the handwheel to enter the menu. Rotate to select the Backlight function. (Menu P04) will appear. Press once. “Auto” will appear on the screen. Rotate to select “On” or “O ”. Press once to con rm and to return to the menu. Rotate to exit the menu Press...

  • Page 20: High & Low Temperature Limits

    “Lo” will appear on the screen. Rotate to select the minimum temperature. Press once to con rm and to return to the menu. Rotate to exit the menu Press to con rm. Alternatively, the menu will be exited after 20 seconds. EDBS...

  • Page 21: Hysteresis Function

    Hysteresis Function The Hysteresis function allows you to set the switching di erential of the thermostat when the temperature is both rising and falling. “HYS On” of 5°C means the thermostat will switch on if the temperature drops 5°C below the setpoint. “HYS O ”...
  • Page 22 “HYS OFF” will appear on the screen. Rotate to select the HYS OFF temperature. Press once to con rm and to return to the menu. Rotate to exit the menu Press to con rm. Alternatively, the menu will be exited after 20 seconds. EDBS...

  • Page 23: Calibrating The Thermostat

    Calibrating the Thermostat The calibration function allows you to calibrate the thermostat. Setting the Calibration function: Double press the handwheel to enter the menu. Rotate to select the Calibration function. (Menu P07) will appear. Press once. The current temperature is displayed. Rotate to select the required temperature.

  • Page 24: Legionella Check Function

    Checking the legionella record Double press the handwheel to enter the menu. Rotate to select the Legionella Check function. (Menu P08) will appear. Press once. will appear. This is the date and time of the last successful legionella operation. Rotate clockwise. EDBS...
  • Page 25 will appear. This is the temperature of the last successful legionella operation. Rotate clockwise. will appear. This is the date and time of the second last successful legionella operation. Rotate clockwise. will appear. This is the temperature of the second last successful legionella operation.
  • Page 26 This is the date and time of the third last successful legionella operation. Rotate the handwheel clockwise. will appear. This is the temperature of the third last successful legionella operation. Press once. Rotate to exit the menu Press to con rm. Alternatively, the menu will be exited after 20 seconds. EDBS...

  • Page 27: High Limit Cut Out Temperature

    High Limit Cut Out Temperature This function allows you to view the high limit cut out temperatures in the thermostat. Double press the handwheel to enter the menu. Rotate to select the Factory default function. (Menu P09) will appear. Press once.
  • Page 28 Press once to con rm and to return to the menu. Rotate to exit the menu Press to con rm. Alternatively, the menu will be exited after 20 seconds. EDBS...

  • Page 29: Factory Reset Function

    Factory Reset Function This function allows you to restore the factory default settings in the thermostat. Double press the handwheel to enter the menu. Rotate to select the Factory default function. (Menu P09) will appear. Press once. “NO” will appear on the screen. Rotate to select “YES”.
  • Page 30 also available Electro - Mechanical Thermostats CM2S CM3S Programmable Digital Thermostats CDTP2 CRTP2 RDTP CP4B CP4M RFRP-OT OpenTherm® Instructions...
  • Page 31 Non Programmable Digital Thermostats CDT2 CRT2 Cylinder Thermostats EDBS WRP-TP WRP-IM WRP-IM-TP...
  • Page 32 EPH Controls IE sales@ephcontrols.com www.ephcontrols.com T +353 21 434 6238 F +353 21 454 5890 EPH Controls UK sales@ephcontrols.com www.ephcontrols.com T +44 1933 626 396 F +44 1933 626 218...

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