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Operation Guide 3M-22

The  3M-22 programmable communicating  

thermostat operates via a simple keypad. To 

program or adjust your 3M-22, simply press 

your finger firmly on the keypad keys. The 

backlight will automatically light up.  You can 

progam the 3M-22 with unique 7 days or use 

it like a 5-1-1 programmable with Saturday 

and Sunday different from all other days of 

the week. A program that fits your lifestyle can 

save energy.

ENGLISH

Statement of use:

  100% Compatible with all popular 

residential HVAC systems; 24VAC single, two and 

stage conventional heating systems (gas/oil/electric), 

heat pumps, single or with auxiliary heat (electric or 

fossil), zoned forced air and zoned hot water (2 or 3 

wire), millivolt systems (with 12-24 AC or DC adapter), 

one or two stage cooling, and hybrid systems.

 

PROGRAM

SET

 

CLOCK

SET

 

DAY

FILTER

CALIB

SWING

HOLD

HVAC

COPY

MTW

F

C

TARGET

TEMP

HEAT

LINK

RADIO

F

Save 

Energy

button

Power Grid 

status

indicator

top cover

Target

 

Temperature

Wire

 

terminals

Mode

switch

Fan

switch

buttons

Reset

button

HVAC

selections

switches

bottom 

cover

Programing

Room

 

Temperature

EMER

switch

1005-007-001

Summary of Contents for 3M-22

Page 1: ...100 Compatible with all popular residential HVAC systems 24VAC single two and stage conventional heating systems gas oil electric heat pumps single or with auxiliary heat electric or fossil zoned forc...

Page 2: ...rgy Saving Program This thermostat comes preprogrammed with an energy saving program This program is recommended for energy efficiency We strongly recommend that you use this program for one week and...

Page 3: ...the daily PROGRAM button for 5 seconds Select the day you want to program by pressing to cycle through the days of the week to the desired day Select the Time Slot period you want to program morning d...

Page 4: ...e week The day of the week display advances initially SU for Sunday Press again to step throught the days of the week until the correct day is displayed SWING HVAC cycling rate This feature allows you...

Page 5: ...TER ALERT The 3M 22 is programmed to remind you when the HVAC air filter needs changing It is set to remind you every 90 days The Check Filter indicator blinks when your filter limit is reached To cha...

Page 6: ...F of actual ambient temperature You do have the option however to change the display temperature to match that of a previous thermostat or to match another thermostat already in your home The range of...

Page 7: ...s also canceled when you set the mode to OFF TEMPORARY override Touch the buttons to select your desired temporary Target Temperature The TEMPORARY icon will display indicating you have modified the p...

Page 8: ...ts of the HOLIDAY program Press to store your settings NOTE The default HOLIDAY program is set as 2 periods all day same target MORN DAY and EVEN and a different target for NITE Other Functions SAVE E...

Page 9: ...switch EMER off Auxiliary heat is more expensive than the heat pump so use EMER only if the heat pump cannot keep up or is defective RESET button The RESET button re boots the 3M 22 processor It does...

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