Horstmann ChannelPlus H17XL Series 2 User Operating Instructions Manual Download Page 4

4

Manual Overrides

BOOST FUNCTION - 1 OR 2 HOUR TEMPORARY OVERRIDE

The boost facility will allow the user to either activate a channel which is currently ‘OFF’ 
for 1 or 2 hours, or to extend a current ‘ON’ period by 1 or 2 hours. To indicate the boost 
being activated the ‘BOOST’ button under the selected channel will stay illuminated for the 
duration of the boost/extension period. The display will also indicate the extension to the 
time visually on the display.  

ADVANCE FUNCTION - BRINGS FORWARD THE NEXT ON OR OFF OPERATION

The advance facility will allow the user to either bring a timeswitch ‘ON’ which is currently 
‘OFF’ or switch a timeswitch ’OFF’ which is currently ‘ON’. To indicate the advance feature 
being activated the ‘ADVANCE’ button will stay illuminated until the next programme 
switching time, the user display will change to also indicate the status of the timeswitch 
and the next switching time. 

Press BOOST button 
once:
Your system will be 
boosted for 1 hour

Press ADVANCE 
button once to 
move to the next 
ON/OFF time

Press BOOST button 
twice:
Your system will be 
boosted for 2 hours

To cancel the advance 
press the ADVANCE button 
again. This will return 
the unit to its normal 
programme

Press BOOST button 
a third time to 
cancel the period 
and return to the 
normal programme

Summary of Contents for ChannelPlus H17XL Series 2

Page 1: ...s per day for each day of the week For day to day operation the H17XL 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 dis...

Page 2: ...rmal operation is required PRODUCT OVERVIEW DETAIL SHOWN WITH THE FLAP LOWERED 1 Current time of day 2 Day of week and date 3 Channel Heading 4 Current Channel programme 5 Next On Off time 6 Channel O...

Page 3: ...l illuminate for approximately 1 minute whenever a button is pressed To illuminate the display for viewing purposes only press the green menu button under the front flap twice SETTING AND ADJUSTING Wh...

Page 4: ...y will allow the user to either bring a timeswitch ON which is currently OFF or switch a timeswitch OFF which is currently ON To indicate the advance feature being activated the ADVANCE button will st...

Page 5: ...ility to turn off heating during summer without altering the programme times 1 or 2 hour boost still available All of the settings above will be permanent i e unaffected by programme times until alter...

Page 6: ...quire this programme on any other day of the week use and buttons to select day and copy Open cover Press ENTER Press ENTER Press ENTER Press ENTER Programme the remaining days Press the green SET but...

Page 7: ...NOTE Any alteration to the current time or date will cancel any Holiday programme set N B Do not use the holiday programme when conditions are such that frost damage to the heating system is possible...

Page 8: ...es The factory default normally installed are illustrated below 8 Time and Date Options Clock Options Options Headings Options Time and calendar are factory set The timeswitch has been set with the cu...

Page 9: ...d Press the green SET button Use the and buttons to adjust TIME AND DATE Use the and buttons to adjust THE MONTH Use the and buttons to adjust THE YEAR Use the and buttons to adjust THE CURRENT TIME U...

Page 10: ...D REPAIR This timeswitch is NOT user serviceable Please do not dismantle the unit In the unlikely event of a fault developing please refer to the RESETTING THE CHANNELPLUS H17XL section on the right I...

Page 11: ...to the original factory programme settings the time setting will remain correct Press the green SET button Use the and buttons to adjust HEADINGS Use the and buttons to adjust HEATING WATER ZONES OR...

Page 12: ...ously run under the chosen On and Off heating periods or be permanently off The time on the programmer must be correct Some types have to be adjusted in Spring and Autumn at the changes between Greenw...

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