Randall 103e7

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Controller manual

Transcript of Randall 103e7

  • 103E7

    Installation & User Instructionsincluding Factory Replacement Units (FRU)

    7-day electronic timeswitch for controlling hot water and heating

    Certification Mark

  • 2

    IND

    EXIndex

    Installation

    Product specifi cation 3

    Installation 4-6

    Wiring 6-9

    Replacement 10-11

    User

    What is a timeswitch? 12

    Your timeswitch 13

    Resetting the unit 13

    24hr or AM/PM display 14

    Setting the Time and Day 14

    Factory preset programmes 15

    Changing the preset programmes 16

    Setting the programme - 7 day 17-18

    Setting the programme - 5/2 day 19-20

    Running your programme 21

    Temporary user overrides 22

    Changing clocks forward/back 23

    Battery backup 23

    Contact details 24

  • 3

    Please Note:

    This product should only be installed by a qualifi ed electrician or competent heating installer, and should be in accordance with the current edition of the IEEE wiring regulations.

    Specifi cation

    Power supply 230Vac 15%, 50 Hz

    Switching action 1 x SPST, Type 1B

    Switch rating 264Vac, 50/60Hz, 3(1)A

    Setting/Running Accuracy 1 min./month

    Power Reserve Minimum 24 hours

    Enclosure Rating IP30

    Max. Ambient Temperature 45C

    Dimensions, mm (W, H, D) 102 x 136 x 47

    Design standard EN 60730-2-7

    Control Pollution Situation Degree 2

    Rated Impulse Voltage 2.5kV

    Ball Pressure Test 75C

    Product specifi cation

    Spec

    ifi c

    atio

    n

    Installation Instructions

  • 4

    Installation

    NB. For FRU units - go straight to point 6.

    1. Loosen the fi xing screw in the base of the unit to release the Wiring Cover.

    2. Holding the unit face downwards, press fi rmly in the centre of the wallplate and slide it apart and lift it from the module.

    3. Fix the wallplate and terminal block to the wall, or plaster box, as required. Ensure that the screw heads do not protrude beyond the vertical centre rib of the wallplate, or this will prevent the module correctly locating onto the wallplate.

    4. Surface cables can only enter from below the unit. Cut an appropriate cable aperture in the wiring cover. If the wallplate is mounted on a plaster box, cables can enter from the rear below the terminal block.

    Inst

    alla

    tio

    n

    Screw fi xing holes (screwheads MUST NOT protrude above centre rib)

    Vertical centre rib

    Wallplate & Terminals

  • 5

    5. Electrical connections are simplifi ed by using a Wiring Centre. However, if this is not used, the wallplate terminal identifi cation is as shown.

    If the system being controlled is 230 Vac, then terminals 3 and L must be linked with insulated cable capable of carrying full load current. Whilst the unit does not require an earth connection, a terminal is provided on the wallplate for earth continuity purposes.

    6. Refer to the wiring diagrams on page 6-9, connect the unit as shown.

    7. Find out from the user whether the unit is required to operate in 7-day mode (factory preset) or weekday/weekend mode (5/2 day). To convert to 5/2 day mode remove the small two-way connector from the pins towards the left of the recess on the rear of the module, then press the button marked R/S under the fl ap to RESET the unit.

    8. Ensure all dust and debris are cleared from the area. Plug the module into the wallplate by locating it onto the wallplate and, when fl ush with it, sliding it down, ensure the hook at the top of the wallplate engages with the slot at the back of the module.

    9. Before setting the programme, check the unit and circuit. Press the SELECT button until the bar in the display lines up with the word ON. Adjust the remote thermostats to check the system operates correctly.

    Inst

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    Load Mains Supply(via 3 amp fuse)

    ON SPARE COMN L

    1 2 3 5 6

  • 6

    103,

    103

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    10. Then press the SELECT button until the bar lines up with the word OFF and check the system does not operate.

    11. When the circuit check has been completed, replace the wiring cover and tighten the fi xing screw. Cut any cable aperture in the wiring cover which may be necessary to accommodate surface mounted cables.

    12. Finally set time of day and programmes required, noting that the unit is supplied with a pre-set programme, as stated on Page 15.

  • 7

    1 2 3 5 6

    L

    NMAINSSUPPLYFUSED3 AMP

    L N

    COM CALL

    ROOM 'STAT

    N

    LINK

    PUMP TERMINALS

    103E5TERMINALS

    L N L N

    COM CALL

    N

    ROOM 'STAT

    L

    N

    BOILER TERMINALS

    PUMP TERMINALS

    LINK

    103E5TERMINALS

    MAINSSUPPLYFUSED3 AMP

    1 2 3 5 6

    Wir

    ing

    Typical Gravity DHW with pumped heating

    Typical control of Pump for Central Heating on a Solid Fuel System

    103E7 TERMINALS

    103E7 TERMINALS

  • 8

    1 2 3 5 6103E5TERMINALS

    L

    N

    LOAD

    MAINSSUPPLYFUSED3 AMP

    LOWVOLTAGESUPPLY

    COM CALL

    LOWVOLTAGE

    ROOM'STAT

    COM CALL

    N

    ROOM 'STAT

    L N BOILER TERMINALS L NPUMP TERMINALS

    L

    N

    103E5TERMINALS

    MAINSSUPPLYFUSED3 AMP

    1 2 3 5 6

    LINK

    Wir

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    Typical Heating Only system, Boiler and Pump control

    Typical control of Low Voltage System requiring voltage free contacts

    103E7 TERMINALS

    103E7 TERMINALS

  • 9

    103E5TERMINALS

    1 2 3 5 6

    MID-POSITION VALVE L N

    L

    NMAINSSUPPLYFUSED3 AMP

    BOILER & PUMP TERMINALS

    RED OR ORANGE

    WHITE OR BROWN

    BLUE GREY

    ROOM 'STAT CYL.

    'STAT

    SATCALL

    COM

    N

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    1 2 3 5 6

    COM CALL

    N

    ROOM 'STAT

    INPUT OUTPUT N L

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    103E7TERMINALS

    MAINSSUPPLYFUSED3 AMP

    COMBI BOILER TERMINALS

    Wir

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    Typical control of Heating when provided by Combination type Boiler (see note below)

    Typical Heating & Hot Water control system usuing 3 port mid-position valve

    103E7 TERMINALS

    103E7 TERMINALS

    Note: Connection must only be made if input/output of boiler are 230V signals

  • 10

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  • 11

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  • 12

    What is a programmer?

    ... an explanation for householders.Programmers allow you to set On and Off time periods. Some models switch the central heating and domestic hot water on and off at the same time, while others allow the domestic hot water and heating to come on and go off at different times.Set the On and Off time periods to suit your own lifestyle. On some programmers you must also set whether you want the heati