Horstmann ChannelPlus H27XL Series 2 User Manual

Two Channel Central Heating and Hot Water Programmer
The ChannelPlus family of electronic programmers offer a range of advanced features
coupled with simplied ‘menu driven’ programming and designed to help save energy.
The Horstmann ChannelPlus H27XL series 2 is designed to give independent time control
over heating and hot water on a 7 day weekly programme.
Each channel offers up to 3 programmed On/Off operations per day
for each day of the week.
For day to day operation each channel has a manual 1 or 2 hour boost button
as well as an advance button to bring forward the next programmed operation.
The back lit display, automatic clock and menu driven programming are all features
designed to make the operation of the ChannelPlus H27XL as simple as possible to use.
All series 2 ChannelPlus programmers are direct replacements for earlier ChannelPlus models.
ChannelPlus H27XL Series 2
User Operating Instructions
1

Horstmann ChannelPlus H27XL Series 2 Specifications

General

Type	Central Heating Programmer
Channels	2
Display	LCD
Power Supply	230V AC 50Hz
Mounting	Wall Mounted
Override Function	Yes
Contact Rating	3A
Maximum Load	3A
Boost Function	Yes
Compatibility	Compatible with most heating systems

Summary

Display and Time Management

Understanding the Display Information

Automatic Time and Date Synchronization

Manual Overrides

Boost Function: Temporary Extension

Allows temporary 1 or 2-hour extension of heating or hot water periods.

Advance Function: Next Operation

Enables bringing forward the next programmed ON or OFF switching time.

Programme Override Facilities

Altering Programme Modes

Flowchart for Setting Overrides

Setting Programme Times

Default Time Schedules

Pre-set ON/OFF times for weekdays and weekends for heating and hot water.

Programming Time Settings Flowchart

Step-by-step guide for setting custom ON/OFF times for each day and channel.

Setting the Holiday Mode

Activating and Configuring Holiday Mode

Procedure to suspend operation for a period, with mid-day to mid-day timing.

Cancelling and Notes for Holiday Mode

Adjusting Time and Date

Procedure for Time and Date Adjustment

Step-by-step instructions to modify the current time and date via the SET button.

Consequences of Time/Date Changes

Adjusting Clock Options

Changing Clock Display Format

Resetting the Programmer

Factory Reset Procedure