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UPM HTM621, Manual

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UPM HTM621 Manual Download Page 10

8

If you have successfully installed the thermostat, but the LCD screen does not display or 
the display seems abnormal, press the RESET button. (The reset button must be pressed in gently using 
a small blunt object.)This will revert the clock to 9:00 a.m. Monday morning.

NOTE: To restore programs and options to factory defaults, see page 18.  

RESET 

   

    

2

BACKLIGHT 

   

    

This unit comes equipped with a backlight that will light up the screen for a few seconds any time a button 
is pressed. The backlight might not come on if there is ample light in 

 an 

extended power outage. Following a period without power, the thermostat will use power to recharge
a 

back-up battery

. Once this battery is recharged

,

 the backlight will work again.

room, or just after installation or

Summary of Contents for HTM621

Page 1: ...Model No HTM621 Programmable Thermostat For Electric Baseboard Heaters High VOLTAGE 120 V 240 V AC 60 Hz Ref HTM621 UPM BRAND http waterheatertimer org Woods timers and manuals html Noma Garrison...

Page 2: ...temperature in order to better manage heating costs Selectable cycle rates for energ y efficient heating precise heating Variance 0 6 F 0 3 C TRIAC system Quiet operation Usage monitor tracks accumul...

Page 3: ...ating 14 Copy Function 17 High Limit Function 17 Reset 18 Temporary Override 19 Hold Function 19 Operation 20 Usage Monitor 21 Memory Backup 21 Thermostat Surface Temperature 21 Option Settings 22 Pre...

Page 4: ...Installation instructions 2...

Page 5: ...240 V The minimum load requirement is 500 W NOT for use with low voltage 24 V central heating air conditioning systems wall mounted furnaces Warning THIS PRODUCT MUST BE INSTALLED IN ACCORDANCE WITH...

Page 6: ...control is only compatible with the electric baseboards convectors or radiant heating systems Warning DO NOT WIRE TO A SYSTEM EXCEEDING 16 6 A 4000 W 240 V 2000 W 120 V 4 Electric Baseboard Heater 120...

Page 7: ...ermostat is rated to operate safely at these temperatures but should be kept away from fire hazards For NEW home installation the metal electrical box and thermostat should NOT be mounted near tempera...

Page 8: ...atically voids the warranty Before installation Verify that the heating appliance that is being connected is within the specified load range Ensure that the new thermostat is rated for 120 V 240 V Ens...

Page 9: ...onnect power supply 1 2 3 4 4 WIRE INSTALLATION Metal Wall Box Electric Heater 25 8 23 0 8 15 PM 120 V 240 V AC Lines Wire Nut Wire Nut Wire Nut Bypass Connect Gently remove the faceplate from the rig...

Page 10: ...restore programs and options to factory defaults see page 18 RESET 2 BACKLIGHT This unit comes equipped with a backlight that will light up the screen for a few seconds any time a button is pressed T...

Page 11: ...9 Programming...

Page 12: ...PM USAGE SET TIME USAGE PROGRAM PERIODS SET TEMPERATURE CURRENT TEMPERATURE HEAT ON ICON WEEKDAYS POWER OUTPUT LEVEL SET CLOCK COPY FUNCTION HOLD FUNCTION OVERRIDE ON ICON USAGE MONITOR TEMPERATURE S...

Page 13: ...enter program mode and scroll settings UP DOWN Changes target temperature RESET Resets program clock to factory defaults See page 8 DAY Changes day of the week when viewing programs or setting the clo...

Page 14: ...to change the day of the week Weekday symbols will flash Press SET to end the time mode or wait 15 seconds for normal display to return 2 1 3 4 Choose 12 or 24 hour hour clock Note 12 hour mode is the...

Page 15: ...to return See Option section for more details 2 1 3 4 CELSIUS DEFAULT Since Celsius C is the default mode no action is required to use the thermostat in this mode C or F If you wish to use Fahrenheit...

Page 16: ...set to warmer settings during the winter and cooler settings during the summer If you do not often leave the house during the day period 1 2 or 3 can be set at the same temperature for comfort This is...

Page 17: ...T 2 CUSTOM PRE PROGRAMMED TIME AND TEMPERATURE SETTINGS PERIOD MORNING DAY EVENING NIGHT P TIME P1 P2 P3 P4 HEAT SET POINT 1 DEFAULT PRE PROGRAMMED TIME AND TEMPERATURE SETTINGS 6 00 8 00 17 5 00 p m...

Page 18: ...erature for P1 Press AHEAD or BACK to set the start time for P1 Press PROG again to adjust the next Program Periods P2 P3 P4 and to exit program mode Repeat the above steps above until all four progra...

Page 19: ...COPIED TO Press DAY to select the day you wish the programs COPIED TO Press COPY again to copy all four program settings from the first day to the flashing day The COPY symbol will disappear to indic...

Page 20: ...RESTORE PROGRAMS AND OPTIONS Press SET for 3 seconds to enter the Options mode Press PROG for 3 seconds to restore all programs to factory defaults Note This will restore the default programs and the...

Page 21: ...he next scheduled program period If the High Limit function is activated the user can t set the temperature over this limit 1 2 1 Temperature Override HOLD Function This function maintains a constant...

Page 22: ...red by the electric heater to maintain the temperature setting The Power Bar indicate the current output power level 1 BAR 10 10 BARS 100 When the heating system is activated at partial power a propor...

Page 23: ...rs only the clock setting may be affected The clock will continue to run and display on the LCD screen for up to 1 2 days even without power due to the rechargeable back up battery inside the unit How...

Page 24: ...for fan assisted heating devices Cr1 20 Sec Proportional Power for non fan assisted baseboards and electric heating devices Cr2 240 Sec Proportional Power for convectors and radiant ceiling OPTION 3 P...

Page 25: ...ed If you change from Celsius C to Fahrenheit F or vice versa all programs will be reset to the factory defaults 2 1 If pre comfort recovery is turned off rE 0 heating will only be initiated at the ex...

Page 26: ...users who do not want their electric heating devices to turn on and off frequently Cr 1 is a 20 second cycle rate with proportional heating This means the heating will be turned on and off once every...

Page 27: ...scanned and if the existing temperature setting is above the new maximum set point it will be reduced to the high limit set point The High limit setting can not be bypassed by programs temporary overr...

Page 28: ...a 500 W or greater circuit Check the wiring installation with a certified electrician Press the RESET button under the faceplate see page 8 26 Programming Issues Heating is not activated at the progr...

Page 29: ...system 27 The temperature display is incorrect Ensure thermostat is not installed near a draft in direct sunlight or near any devices such are air conditioners or heaters The thermostat feels HOT to...

Page 30: ...proof of purchase to the retailer from which you purchased it Attention THIS PRODUCT MUST BE INSTALLED IN ACCORDANCE WITH THE CANADIAN ELECTRICAL CODE AND IN QUEBEC BY A QUALIFIED ELECTRICIAN The manu...

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