Manual Horstmann ChannelPlus H27ZXL Thermostat

Manual

BATTERY

SERVICE AND REPAIR

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

In the unlikely event of a fault developing please refer to the RESETTINGTHEPROGRAMMERsection 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.

QUESTIONSANDANSWERS

The display only reads bAt

The unit display has become frozen

The indicator neon fails to illuminate on

Zone 1 or Zone 2

The indicator neon will illuminate but the

Zone 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

WARNING: 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 P32635

ISSUE 3

Page 4

The following are some of the easy to operate features:-

Flexible 7 Day Control

1 or 2 Hour Boost on each channel

Independent timing on Zone 1 and Zone 2

Advance control gives instant On/Off override

Up to 3 On/Off periods per channel in each 24 Hr operation.

Programme options: Auto / All day / On constantly / Off

FULLY PUMPED OR GRAVITY SYSTEM

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 Zone 1 and Zone 2, however on a Gravity system Zone 1

and zone 2 are linked so that it is not possible to use Zone 2 independently. This will allow only one

common time setting for both Zone 1 and Zone 2.

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 BATTERYOFF position. These are both to prolong the battery life.

Horstmann’s ChannelPlus H27ZXL - Two Channel Programmer Offers up to

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

independent Boost and Advance control on Fully Pumped Systems.

16 SET slider switch

17 SET Positions

Internal Slide Switch -

located under front cover

17

16

LCD DISPLAYFEATURES

1 Current TIME OF DAY

2 Day of Week Indicator

3 Switch time SETTING indicator

4 ADVANCE symbol

5 BOOST symbol

6 Current Zone 1 programme

7 Current Zone 2 programme

8 Next Zone 2 switch time

9 Next Zone 1 switch time

LED INDICATOR

10 Zone 2 ON indicator

11 Zone 1 ONindicator

EASY TOUSE PROGRAMMEANDFEATUREBUTTONS

12 Zone 2 ADVANCE(ENTER) button

13 Zone 1 ADVANCE (PLUS) button

14 Zone 2 BOOST(COPY) button

15 Zone 1 BOOST (MINUS)button

Both the Zone 1 and Zone 2 SELECT buttons are

located under the front cover

1

5

4

3 2

8

7

9

10

12

11

14

13

15

Page 1

6

Horstmann Controls Limited

Bristol

BS4 1UP

Email: [email protected]k

Website: www.horstmann.co.uk

Rating

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