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Operation Guide 3M-22
Reset
button
TEMP UP
button
Target
Temp
Time
TEMP DOWN
button
Control Panel
Statement of use: The
3M-22 can be used
with - millivolt, 24VAC
Heat/Cool
single and 2-stage
Mode Switch
dstconventional
systems,
Fan
gas/oil/electric heat,
Switch
1-stage heat pumps, 2
-stage heat pumps,
zoned hot water (2 or
3 wire), zoned forced
air, single and 2-stage
cooling, and hybrid
systems.
It can not be used with
120 volt heating
systems.
Battery
Compartment
ENGLISH
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Summary of Contents for 3M FIltrete 22
- Page 1 Operation Guide 3M-22 Control Panel Statement of use: The 3M-22 can be used with - millivolt, 24VAC Heat/Cool single and 2-stage Mode Switch dstconventional Reset systems, button gas/oil/electric heat, Switch 1-stage heat pumps, 2 -stage heat pumps, TEMP UP zoned hot water (2 or...
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Page 2: Set Time Of Day
Set Clock Set day of the week - 1 2 3 SET CLOCK TIME SET • Press SET CLOCK once PROG2 TARGET TEMP to set the day of the week. The day of the week display flashes. (Initially SU for Sunday) TIME SLOT HEAT TIME... - Page 3 NOTE: 60 Second Rule-During programming, if a button is not Program pushed within 60 seconds, the unit will go out of the set mode. Everything you have input in this programming will automatically be saved. • Select HEAT with the HEAT/Cool MODE switch. •...
- Page 4 • Press HOME to leave program REVIEW mode and run the program. Special Features - Swing setting determines the temperature SWING difference from ON to OFF that the 3M-22 will command the HVAC system to run. TIME • With the MODE switch in HEAT or COOL, press the button.
- Page 5 • HOLD is canceled if the MODE switch is moved, or press HOLD again. Lock Allows you to lock the 3M-22 (to prevent any changes in custom settings) • To enable or disable the program lock, press the following buttons one at a time,in this sequence.
- Page 6 The life of a HVAC filter varies depending on many factors, furnace run time, and this will vary from the filter life noted on the filter media. The 3M-22 has a feature that keeps track of actual furnace run time and reminds you to periodically replace your system's air filter.
- Page 7 C or F display Celsius / Fahrenheit selection. The C/F jumper is on the top left of the 3M-22. Separate the control unit from the wall mounted terminals. When changed, the thermostat must be reset to activate the change. When resetting, all custom settings and programming will be erased and only the energy saving program will remain.
- Page 8 AUX only HEAT PUMP w/ AUX 3M-22 Features This thermostat can be used with all millivolt and 24VAC heating and cooling systems. It cannot be used with line voltage systems. This thermostat is digital and your desired heat or cool temperatures can easily be set on the large screen with the +/- buttons on the front.