1. تعارف
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Horstmann CHANNELPLUS H17XL Series 2 Electronic Heating Programmer. Please read this manual carefully before installation and use to ensure safe and efficient operation.
The CHANNELPLUS H17XL is a single-channel electronic programmer designed for controlling heating systems, offering both 24-hour and 7-day programming options.

Figure 1: Horstmann CHANNELPLUS H17XL Electronic Heating Programmer. The device features a clear blue backlit LCD display and two control buttons: ADVANCE and BOOST.
2. حفاظت جي ڄاڻ
هميشه هيٺ ڏنل حفاظتي احتياطن تي عمل ڪريو:
- موجوده وائرنگ جي ضابطن جي مطابق، انسٽاليشن صرف هڪ قابل اليڪٽريشن طرفان ڪئي وڃي.
- Isolate the mains supply before commencing any wiring work.
- يونٽ کي نمي يا انتهائي گرمي پد جي سامهون نه آڻيو.
- ٻارن جي پهچ کان پري رکو.
3. سيٽ اپ ۽ تنصيب
3.1 کولڻ
Carefully remove the programmer from its packaging. Check for any signs of damage. If damaged, do not install and contact your supplier.
3.2 چڙهڻ
The H17XL is designed for surface mounting. Ensure the mounting location is free from direct sunlight, drafts, and heat sources that could affect its temperature sensing capabilities (if applicable, though this is a programmer, not a thermostat).
- Remove the front cover by gently prying it off.
- Mark the drilling points on the wall using the base plate as a template.
- سوراخ ڪريو ۽ ڀت پلگ داخل ڪريو.
- Secure the base plate to the wall using appropriate screws.
3.3 وائرنگ
Refer to the wiring diagram provided with the unit or consult a qualified electrician. Ensure all connections are secure and correctly terminated. The unit operates on 230 Volts.
| ٽرمينل | وصف |
|---|---|
| L | ۾ رهو |
| N | غير جانبدار اندر |
| 1 | Switched Live Out (Heating) |
| 2 | عام |
After wiring, reattach the front cover securely.
4. آپريٽنگ هدايتون
4.1 شروعاتي پاور اپ
Upon first power-up, the display will illuminate. You may need to set the current time and date. Refer to the on-screen prompts or the following sections.
4.2 مقرر وقت ۽ تاريخ
Use the programming buttons (usually located under a flap or accessible via menu) to navigate to the time/date setting menu. Adjust hours, minutes, day, month, and year as required. Confirm settings to save.
4.3 Programming Modes (24-Hour / 7-Day)
The H17XL supports both 24-hour and 7-day programming. Select your preferred mode via the menu. In 7-day mode, you can set different programs for each day of the week.
4.4 Setting Heating Programs
Each program typically consists of ON/OFF times. You can set multiple ON/OFF periods per day. For exampاليزي:
- Program 1: ON at 06:00, OFF at 09:00
- Program 2: ON at 17:00, OFF at 22:00
Follow the on-screen instructions to enter and save your desired heating schedule.
4.5 Override Functions: ADVANCE and BOOST
The unit features 'ADVANCE' and 'BOOST' buttons for temporary overrides:
- اڳڀرائي: Pressing this button will advance the current program to the next ON or OFF period. For example, if heating is OFF, pressing ADVANCE will turn it ON until the next scheduled OFF time. If heating is ON, it will turn OFF until the next scheduled ON time.
- بوسٽ: This function provides a temporary period of heating (e.g., 1 hour) regardless of the current program. Pressing BOOST will turn the heating ON for a preset duration, after which it will revert to the programmed schedule.
5. سار سنڀال
The Horstmann CHANNELPLUS H17XL requires minimal maintenance.
- صفائي: يونٽ کي نرم، سڪل ڪپڙي سان صاف ڪريو. گھڙڻ وارا صاف ڪندڙ يا محلول استعمال نه ڪريو.
- بيٽري جو بيڪ اپ: The unit typically has an internal battery for retaining program settings during power outages. This battery is usually non-replaceable by the user and has a long lifespan. If settings are lost frequently during power cuts, consult a qualified technician.
6. مسئلا حل ڪرڻ
If you encounter issues with your programmer, refer to the following table:
| مسئلو | ممڪن سبب | حل |
|---|---|---|
| ڊسپلي خالي آهي | بجلي جي فراهمي ناهي | Check mains power, circuit breaker, and wiring connections. |
| Heating not turning ON/OFF as programmed | Incorrect program settings; Manual override active; Wiring issue | Verify program times; Check if ADVANCE/BOOST is active; Consult electrician for wiring check. |
| Time/Date incorrect after power cut | Internal battery depleted (unlikely for new units) | Reset time and date. If persistent, contact support. |
If the problem persists after attempting these solutions, contact a qualified technician or Horstmann customer support.
7. وضاحتون
- ماڊل: H17XL
- برانڊ: هارسٽمن
- قسم: Single Channel Electronic Heating Programmer
- پروگرامنگ جا اختيار: 24-Hour or 7-Day
- جلدtage: 230 وولٽ
- طول و عرض (تقريبن): 16.2 x 11.2 x 5.2 سينٽي
- وزن (تقريبن): 419.99 گرام
- ڏيکاريو: Backlit LCD
8. وارنٽي ۽ سپورٽ
For warranty information, please refer to the documentation supplied with your purchase or visit the official Horstmann webسائيٽ. وارنٽي دعوائن لاءِ خريداري جو ثبوت رکو.
For technical support or service inquiries, please contact Horstmann customer service or your installer.
Horstmann Contact Information: Please refer to the official Horstmann webجديد ترين رابطي جي تفصيلن لاءِ سائيٽ يا پراڊڪٽ پيڪنگنگ.





