3M 22 User Manual
Operation Guide 3M-22
PG 1
The 3M-22 programmable communicating
thermostat operates via a simple keypad. To
program or adjust your 3M-22, simply press
your nger rmly 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 ts your lifestyle can
save energy.
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.
1005-007-001
HVAC
selections
switches
Save
Energy
button
Power Grid
status
indicator
Target
Temperature
Reset
button
top cover
F
C
F
I
LT
E
H
R
A
D
I
bottom
cover
O
LINK
T
ARGET
TEMP
F
Room
Temperature
R
E
AT
S
W
I
N
G
C
A
L
I
B
H
S
E
T
C
L
O
C
K
S
E
T
D
AY
P
R
O
G
R
A
M
M
T
W
H
C
O
Wire
terminals
EMER
switch
Mode
switch
O
L
D
Fan
V
A
C
P
Y
switch
Programing
buttons
ENGLISH
PG 2
Set Clock
Set time of day -
• From the
• Press
screen, Press or to set the time. Press and hold to set the time in fast mode.
to store your settings.
Set day of the week -
• Press (SET DAY) once to set the day of the 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.
• Press
to store your settings.
Energy Saving Program
This thermostat comes preprogrammed with an energy saving program. This program is
recommended for energy efciency. We strongly recommend that you use this program for one week
and see if it works for you. If it does not t your needs, you can always input a custom program.
EPA
HEAT
All Days 70oF 62oF 70o 2oF
MORN
6:00am
DAY
8:00am
EVEN
6:00pm
F
F 6
NITE
10:00pm
MORN
COOL
6:00am
All Days 78oF 85oF 78oF 82oF
DAY
8:00am
EVEN
6:00pm
NITE
10:00pm
• To run the energy saving program, select HEAT or COOL with the mode switch. The unit is now
running the energy saving program.
• One of the TIME SLOT icons MORN, DAY, EVEN, NITE
comes on. This indicates the TIME SLOT active in the energy
saving program. For program details refer to the energy saving
program chart.
time
time slot
HEAT
F
I
D
O
A
R
mode
K
IN
L
To Change the Program
NOTE: 60 Second Rule-
During programming if a button is not pushed within 60 seconds, the
target temp
T
E
G
R
TA
M
P
E
T
day
unit will go out of the set mode. Everything you have input in this
programming will automatically be saved.
• Select either HEAT or COOL by setting the MODE switch.
• Press and hold the
• Select the day you want to program by pressing
daily PROGRAM button for 5 seconds.
to cycle through the days of the week to the
desired day.
• Select the Time Slot (period) you want to program
• Select the desired start time of that Time Slot by pressing
(morning, day, evening, night).
or to set the time.
This is the starting time of the Time Slot.
• Select the desired target temperature for that time slot by pressing the +/- buttons to select the
desired temperature for that Time Slot.
• Repeat this setting procedure for all four Time Slots
of the day.
• Repeat the setting procedure for all days you want to program.
temp
PG 3
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