Horstmann ChannelPlus H27XL Folheto

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This programmer is NOT user serviceable. Please do not dismantle the unit.

In the unlikely event of a fault developing please refer to the RESETTING THE PROGRAMMER section of

this user guide located on page 2. If this fails to resolve the problem please contact a local heating

engineer or a qualified electrician.

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The display only reads bAt

The unit display has become frozen

The indicator neon fails to illuminate on

Hot Water or Central Heating channel

The indicator neon will illuminate but

the pump and/or boiler fails to

operate

There is no display on the

programmer

How do I know if the programmer is

still under warranty

How is the programmer removed from

the wall

When setting the programme times, the

setting ‘bounces’ by 10 minute periods

Turn the battery on.The switch on the rear of the unit must be in either the Fully

Pumped or Gravity position.

This could be due to local electrical interference

Using the RESET procedure may rectify the fault.

Using the RESET procedure may rectify the fault. If the problem persists the programmer

will need replacing.

This may indicate a problem elsewhere in your system;

E.g. A zone valve, etc. please contact a registered installer for advice.

Try the RESET procedure on page 2, if this fails to rectify the problem please have the

mains supply checked

The ChannelPlus XL range comes with a 5 year guarantee from the date of manufacture.

This date is located on the rear of the unit, indicated by a month over a year

NIIN

G:: The ChannelPlus programmer must only be removed from it’s backplate by

either a qualified electrician or heating engineer; The programmer plugs in to a 9 pin

backplate located on the rear of the unit and is secured using 2 screws located on the

top surface of the unit. Undo these screws and pull forward and down in an arc motion

This indicates that you have reached an existing set time period, you will be unable to

set a new ON/OFF time unless there is an alteration to the existing timed period

LEAFLET No P32621

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The installer will have set the programmer to suit the installed system. If this is a Fully pumped

system this will allow independent control of the Central heating and Hot water, however on a Gravity

system the Central heating and Hot water are linked so that it is not possible to use the Central

heating independently. This will allow only one common time setting for both Hot Water and Central

Heating.

The programmer is fitted with a non-rechargeable, long life battery, which will maintain the

programmed time settings for a minimum of ten months with the supply disconnected.

THIS SHOULD BE SUFFICIENT TO COVER POWER INTERRUPTIONS DURING THE LIFE OF THE UNIT.

During power interruptions the display will be blank, after 3 days the current time of day will be lost.

If the programmer is not to be used for a long period of time, the switch on the rear of the unit

should be returned to the BATTERY OFF position. These are both to prolong the battery life.

16 SET slider switch

17 SET Positions

D D

DIIS

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1 Current TIME OF DAY

2 Day of Week Indicator

3 Switch time SETTING indicator

4 ADVANCE symbol

5 BOOST symbol

6 Current Hot water programme

7 Current Central heating programme

8 Next Central heating switch time

9 Next Hot water switch time

PROG.RUN

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10 Central heating ON indicator

11 Hot water ON indicator

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12 Central heating ADVANCE(ENTER) button

13 Hot water ADVANCE (PLUS) button

14 Central heating BOOST(COPY) button

15 Hot water BOOST (MINUS)button

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r Offers up

to three programmed operating periods per day, seven days a week,

with independent Boost and Advance control on Fully Pumped Systems.

Can be used as a direct replacement for Horstmann 425 Diadem, Tiara

and H527(Allowing for new programmer position).

Horstmann Controls Limited

Bristol

BS4 1UP

Email: sales@horstmann.co.uk

Website: www.horstmann.co.uk