Drayton LP111 Thermostat Instruction Manual

Manual Drayton LP111 Thermostat Instruction Manual

Drayton LP111 Thermostat Instruction Manual

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Drayton LP111 Thermostat

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Drayton LP111 Thermostat

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Drayton LP111 Thermostat

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Drayton LP111 Thermostat Instructions

Here we offer the Drayton LP111 Thermostat manual completely free and in English. We have cataloged this manual in the Thermostats section on Manualverse, and it has been rated by 1 users with an average rating of 5. If you have any specific questions about Drayton LP111 Thermostat, we suggest checking the Frequently Asked Questions (FAQs) section of this manual.


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Drayton LP111 Thermostat Specifications

Feature Specification
Product type Lifestyle single-channel 24-hour electronic timeswitch (controls heating OR hot water)
Product part number LP111: 25477 / LP111Si: 25493
Program type 24-hour program, the same every day
Timed periods Up to 3 per day (ON1/OFF1, ON2/OFF2, ON3/OFF3)
Operating modes OFF, TIMED, ONCE, ON
Factory standard program ON1 6.30am, OFF1 8.30am, ON2/OFF2 12.00pm (inactive), ON3 4.30pm, OFF3 10.30pm
Power supply 230V a.c. +10% / -10%, 50Hz
Timeswitch rating 2(1)A 230V a.c.
Output Volt-free contacts (output depends on the supply to the common terminal)
Mains input fuse 3A
Programming / timing resolution 1 minute
Time adjustment steps 1-minute steps; 10-minute steps when the – or + button is held down
Advance function Moves to the next ON or OFF period (works only in TIMED or ONCE mode)
Boost function Extra 1, 2 or 3 hours, shown on the LCD
Holiday mode Switches the system off for a set number of days, then returns to normal operation
Clock Pre-set at the factory, with automatic British Summer Time changeover (DLS on/off)
Display Backlit LCD and a red indicator light that shows when the output is on
Without mains power Display goes blank; the time and program times are kept
Operating temperature 0 °C to 45 °C (installation data); 0 °C to 50 °C (datasheet)
Storage temperature -20 °C to 50 °C
Ambient humidity Operating 25% to 90%; storage 15% to 95% (non-condensing)
Pollution degree 2
Software class 2 (installation instructions); A (datasheet)
Ball pressure test temperature 75 °C
Rated impulse voltage 2.5kV
Insulation Double insulated, so no earth is needed; an earth continuity (loop) terminal is provided
Terminals N, L, 1 (Common), 2 (On), 3 (Off), 4 (Spare)
Wiring Fixed wiring only, to current IEE/IET wiring regulations (BS7671)
Mounting Industry-standard wall-plate; flat wall (No. 6 x 1" / 25mm woodscrews) or flush single conduit box UA1 (BS4662) with M3.5 x 14 bolts. Do not use a surface-mounting box.
Recommended mounting height 1.4m above floor level
Required clearance 70mm to the right and 25mm above the wall-plate, plus access to the securing screws underneath
Outline dimensions (drawing) 148mm x 93mm
Building regulations Part L compliant (Part J in Scotland)
Directives 2014/30/EU EMC, 2014/35/EU Low Voltage, 2006/66/EC Batteries, 2011/65/EU RoHS
Applied standards EN60730-1; EN60730-2-7
Maintenance Must be maintained by a qualified electrician or heating engineer
Manual reference 06490033001 ISS L
Technical helpline 0333 7000 622 / customer.care@draytoncontrols.co.uk

Drayton LP111 Thermostat Details

Although it is often called a thermostat, the Drayton LP111 is a timeswitch from the Lifestyle range. It switches one circuit, either heating or hot water, on and off at times you choose. Drayton suggests it where simple time control is enough, especially with combination boilers or extra zones. Its large buttons and simple layout have made it popular with elderly users. Remember that the room thermostat still has the final say. If the thermostat has switched off, the heating will not run, even during an ON period.

The factory program gives two active periods, morning and evening. The middle period is inactive because ON2 and OFF2 are both set to 12.00pm. To use it, set two different times. To change the program, press SET? until SET PROG? appears, then press YES. Adjust each time with – and +, and press SET? to move to the next one. You can also press SET? to leave a time unchanged. After OFF3, one more press of SET? returns the unit to normal operation.

Times must be entered in order: ON1, OFF1, ON2, OFF2, ON3, OFF3. If they get out of order, the display flashes a warning. ON1 cannot be the last time before midnight. OFF3 can fall after midnight, as long as it is no more than 23 hours 59 minutes after ON1. To clear your changes and go back to the factory program, press SET and + together.

The Advance/Boost button on the front gives temporary control without changing the program. Pressing Advance shows ADV and moves the output to the next state. If the system is off, it turns on until the end of the next period. If it is on, it turns off until the next ON time. Pressing and holding Boost shows BST and adds one hour. Press it again for two or three hours. Press it once more to cancel.

The SELECT button under the flap chooses one of four modes. OFF keeps the system off and ON keeps it on. TIMED follows the three daily periods. ONCE runs one long period from ON1 to OFF3. Changing the mode never deletes your saved times, so you can return to them at any time by selecting TIMED.

Holiday mode is useful when the house will be empty. Press SET? three times to reach SET H'DAY?, press YES, then set the number of days with + and –. The unit counts each pass through midnight as one day. For example, if you leave on Saturday morning and want heating again on Tuesday morning, set three days. The display shows H'DAY until normal operation resumes.

The clock is set at the factory, but you can set it yourself through SET CLOCK?. Set the hour (check AM or PM), then the minutes. Under SET DATE?, set the year, month and day. The day of the week is worked out from the date, so if the weekday shows wrong, correct the date. The last step turns automatic Daylight Saving (DLS) on or off.

When replacing an old timeswitch, the LP111 can usually be plugged into the existing wall-plate, after checking the terminal comparison chart. Because the contacts are volt-free, Terminal 1 must be supplied, either by a link from L or by a separate supply with a 3A fuse. Always switch off the mains before removing the unit, and never fit it to a live wall-plate. The LP111Si version adds a boiler service reminder. Thirty days before the service is due, it flashes the display and sounds an alarm. If the service is still not done, it lowers heating comfort until a separate reset unit is used.

Frequently Asked Questions (FAQs)

Can't find the answer you need? Here are some frequently asked questions about the Drayton LP111 Thermostat, and we answer them below.


Is the Drayton LP111 a thermostat or a timeswitch?
The LP111 is a single-channel 24-hour electronic timeswitch. It controls when your heating or hot water is on. Room temperature is still controlled by a separate room thermostat or cylinder thermostat.

How many heating periods can I set per day?
You can set up to three ON/OFF periods each day. The same program is used every day of the week.

Why does the middle heating period not work on the standard program?
In the factory program, ON2 and OFF2 are both set to 12.00pm, so that period does nothing. Give them two different times to use it.

How do I reset the LP111 to the factory program?
Press SET and + together. The unit goes back to the pre-set standard program.

What is the difference between Advance and Boost?
Advance moves the output to the next ON or OFF period and works only in TIMED or ONCE mode. Boost adds 1, 2 or 3 extra hours of operation. Press it again to cancel.

What does ONCE mode do?
ONCE mode runs the system for one continuous period each day, from the start of ON1 to the end of OFF3.

Will I lose my settings during a power cut?
No. The display goes blank, but the clock time and program times are kept.

Do I need to change the clock for British Summer Time?
No. The clock is set at the factory and changes for British Summer Time automatically, as long as Daylight Saving (DLS) is turned on in the date settings.

How does holiday mode count days?
Each pass through midnight counts as one day. If you leave on Saturday morning and want heating again on Tuesday morning, set 3 days.

Can the LP111 replace my old timeswitch without rewiring?
Often, yes. It fits an industry-standard wall-plate and uses the same terminals as Drayton Tempus and SM1 models. For other brands, check the terminal comparison chart in the installation instructions.

Why does Terminal 1 need a link to Live?
The output contacts are volt-free. Terminal 1 (Common) must be supplied, either by a link from L or by a separate supply with a 3A fuse.

Who should install the LP111?
Installation and maintenance must only be done by a qualified electrician or heating engineer, using fixed wiring and a 3A fused mains supply.

What extra features does the LP111Si have?
The LP111Si adds a boiler service reminder. Thirty days before the service is due, the display flashes and an alarm sounds. If the boiler is still not serviced, it lowers comfort levels until it is reset with a separate reset unit.

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