Honeywell LYRIC T4 User Manual Download | Manualshive

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Summary of Contents for LYRIC T4

Page 1: ...User Guide T4 T4R T4M Thermostat T4 Programmable Thermostat T4M Programmable Modulating Thermostat T4R Wireless Programmable Thermostat EN ...

Page 2: ...2 ...

Page 3: ...6 Heating Schedule 6 Clock 8 Date 8 Keypad lock 8 Optimisation 9 OpenTherm boiler alerts T4M only 10 Standby mode 10 Away mode 10 Schedule Override 11 Temporary Override 11 Timed Override 11 Turn Schedule Off 11 Changing the Batteries T4 T4R only 12 Wireless Receiver Box T4R only 13 Troubleshooting 14 ...

Page 4: ...Schedule On Programmed schedule is active Schedule Override Active until next scheduled period starts or the timed override duration has ended Schedule Off Programmed schedule is turned off Low Battery Power has reached approximately 10 flashes when critically low see Changing the Batteries Heat Demand Room temperature is below setpoint indicating there is a demand for heating boiler activity migh...

Page 5: ...med duration for the override Standby Turns the heating on or off Away mode Turns the heating off for a set number of days Home Returns you directly back to the home screen Navigating the menu Press button to enter the main menu Press or buttons to select a menu item the selected item will flash Press to confirm the selection Press or to adjust a setting and press to save change or advance to next...

Page 6: ...edule Days 1 to 5 Mon to Fri Days 6 7 Sat Sun Period Time C Time C P1 6 30 8 00 19 C 8 00 10 00 19 C P2 8 00 18 00 16 C 10 00 17 00 16 C P3 18 00 22 30 21 C 17 00 23 00 21 C P4 22 30 6 30 16 C 23 00 8 00 16 C 1 Press to enter the main menu 2 Press or to select the schedule menu and press 3 Press or to select EDIT and press Menu ...

Page 7: ...o be adjusted and press 6 Press or to adjust the start time and press 7 Press or to adjust the end time and press 8 Press or to adjust the temperature and press 9 Repeat these steps to make adjustments to the remaining periods and days or press to save changes and return to the home screen ...

Page 8: ...ssary adjustments to the Thermostat 1 Press to enter the main menu 2 Press or to select the Keypad lock and press to activate it 3 To unlock the Keypad press and hold the Left and Right buttons for 5 sec 4 To lock the Keypad repeat step 2 Date To make adjustments to the date Year Month Day 1 Press to enter the main menu 2 Press or to select the Date menu and press 3 Press or to adjust year and pre...

Page 9: ... the longer it will delay the start Optimum Stop saves energy by switching off a little bit earlier than the programmed time If your home is up to temperature you will not notice the effect on the temperature but you should see a difference in your fuel bill To enable or disable an optimisation function 1 Press to enter the main menu 2 Press or to select the Optimisation menu and press 3 Press or ...

Page 10: ... doors and windows are open for extended periods of time If the temperature drops to 5 C the heating will come on to prevent the heating pipes freezing 1 Press to switch the heating off the display will show OFF 2 Press a gain to switch the heating on the display will show OpenTherm boiler alerts T4M only If you have T4M Thermostat fitted to an OpenTherm boiler you can view alerts received form th...

Page 11: ...the heating for a short period or as an Economy decreased setting if leaving the house for a short period 1 Press or to set the new desired temperature and press to activate the timer 2 Press or to select 1 or 2 Hours and press 3 To cancel the timed override press again from the home screen Turn Schedule Off Manual Mode Turn the heating schedule off and permanently follow a single adjustable tempe...

Page 12: ...n will flash when battery power has become critically low you should change them immediately to make sure there is no disruption to your heating system Replace with 2 new 1 5V LR6 AA Alkaline batteries only which should last approximately 2 years depending on Thermostat use 1 Pull Thermostat off the wall bracket or table stand 2 Remove old batteries and insert new ones 3 Clip Thermostat onto wall ...

Page 13: ...ill flash on the Thermostat when the wireless signal is lost The Receiver Box LED will flash RED If communication is lost move the Thermostat to another location to try and restore communication To manually override the boiler using the Receiver Box 1 Press the button once to switch the boiler ON or OFF The button LED should be Solid YELLOW when the boiler is ON Off when the boiler is OFF Press th...

Page 14: ...ies Thermostat shows but the boiler does not switch on The boiler cycles on and off as it controls the temperature and sometimes the icon will be displayed when the boiler has cycled off If the boiler doesn t switch on after a long period of time contact your installer Heating system does not respond to temperature adjustments Make sure the set temperature is higher than the actual room temperatur...

Page 15: ...flashing ORANGE Receiver Box is in binding mode will time out of this mode after 3 minutes T4M OpenTherm Thermostat only An OpenTherm boiler can report alerts back to the Thermostat which can be useful when contacting an installer or maintenance engineer You can view these in the OpenTherm boiler alerts menu Description ID Error code OT Reading Service request 001 01SR 0 service not required 1 ser...

Page 16: ...imped Hill Lane Bracknell Berkshire RG12 1EB www honeywelluk com 2016 Honeywell International Inc Printed in the UK 32318059 001 B T4 Programmable Thermostat T4R Wireless Programmable Thermostat T4M Programmable Modulating Thermostat ...

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