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BENSON CP4 User Instruction Manual

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USER & ENGINEER
INSTRUCTION
MANUAL
BENSON
CP4

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Summary of Contents for BENSON CP4

  • Page 1 USER & ENGINEER INSTRUCTION MANUAL BENSON...

  • Page 3: Table Of Contents

    USER INSTRUCTIONS CONTENTS PAGE SUBJECT PAGE No. Contents Page ..............CP4 Basic Setting Guide ........... Standard Terms ..............Normal RUN Mode ..............Override ................. Standby Mode ................ Date ..................Heater Lockout and Reset ............. Summer Fan ................Program Mode Temperature setting ...............

  • Page 4: Cp4 Basic Setting Guide

    CP4 BASIC SETTING GUIDE INITIAL SCREEN ON RECEIPT. The display will show either of the following: DAY: TIME: INITIAL TEMP SETTING HEAT OFF or DAY: TIME: and the letters N/C HEAT OFF At this point the control will require calibration. (A separate thermostat showing the actual temperature would be an advantage for the calibration).
  • Page 5 DAY AND DATE On 4 options screen press 3 SYSTEM then press 1 SYSTEM TIME key in the correct time and press ENTER. The screen will change to DATE. Key in date and press ENTER. Screen will display SET DAY OF WEEK 1=MON 7=SUN, press the correct number for the day of the week.

  • Page 6: Standard Terms

    Heater Lockout and Reset is standard on the CP4 and allows for a signal to be fed into the CP4 from the heater when the heater goes to lockout. Once the fault on the heater has been rectified a reset signal can be sent to the heater resetting lockout status.

  • Page 7: Override

    Override The Benson CP4 can be overridden into a day or night condition to allow for any unscheduled operation of the system. The maximum time that the unit can be overridden will have been set by the installer. To program an override period Mon 13.06 20°C...

  • Page 8: Summer Fan

    ENTRY CODE: ???? Before you can access the Benson CP4 you must enter the passcode. This passcode is set to 0000 as a factory default but may be changed at any time by the user to ensure security. This process is explained under section 4 (code).

  • Page 9: Code Setting

    So, for example, if you were to press the COPY button on Tuesday period 1 all of the switching times from Monday would be copied, and then the Benson CP4 would move onto Wednesday.

  • Page 10: Holidays

    1> Manager Code - This code gives access to all data settings. 1> MANAGER CODE 2> Override Code - This code gives access to the Override and 2>OPERATORS CODE Summer functions. CODE NOW: 0000 To change the code, simply enter the new code when prompted. NEW CODE:???? Press RUN to return to the Normal RUN mode.

  • Page 11: System Settings Override (Maximum) Setup

    (eg:08 hours) and then press enter to accept the setting. MAXIMUM TIME:08 OPTI (Optimisation) With the Benson CP4 you are able to set whether optimisation is required (Refer to Terms for further information). OPTIMISATION ? Should you require optimisation select 1 or 0 to disable it.

  • Page 12: Configuration / Setup Configure Control Setup (On/Off): Purge Option, Double Ignition, Proving Switch

    N<0> Y<1> :0 When there is a demand for heat, the Benson CP4 looks to check firstly that the proving switch is not made. Relay 3 is then energised giving pre purge if required. The proving switch then makes followed by relay 2 being energised.

  • Page 13: Configure Control Setup (High/Low): High Flame Boost, High/Low Differential, Double Ignition, Proving Switch

    You are now prompted to select whether you have a proving switch PROVING SWITCH? on the system. N<0> Y<1> :0 When there is a demand for heat, the Benson CP4 looks to ensure that the proving switch is made. The heat outputs (High/Low) will be energised when the switch is made.

  • Page 14: System Wide Setup Fan Setup

    User: In this mode, the user is allowed to manually switch the fan relay on/off by use of the FAN Key. Constant Fan: On the Benson CP4 there is an option to have a constant Fan output. If enabled the fan relay will be permanently ON during the programmed switching times and will operate to the optimiser setting.

  • Page 15: Resetting Service Alarm

    After a service alarm has been activated you are able to reset the hours setting without the need to reprogram the telephone number by selecting Reset from the Configuration/Reset screen. SYSTEM RESET This function resets the Benson CP4’s settings back to the factory default. To put the control through a reset: •...

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