Amana 2246003 - User Manual

ELECTRICAL SHOCK HAZARD – Turn off power at the main service panel by removing
the fuse or switching the appropriate circuit breaker to the OFF position before
removing the existing thermostat.
1. Turnoffpowertotheheatingandcoolingsystembyremovingthefuseorswitchingthe
appropriatecircuitbreakeroff.
2. Removecoverofoldthermostat.Thisshouldexposethewires.
3. Labeltheexistingwireswiththeenclosedwirelabelsbeforeremovingwires.
4. Afterlabelingwires,removewiresfromwireterminals.
5. Removeexistingthermostatbasefromwall.
6. Refertothefollowingsectionforinstructionsonhowtoinstallthisthermostat.
To Remove Existing Thermostat
Specifications
Electrical rating: •24VAC(18-30VAC) 
 •4ampmaximumtotalload
 •1ampmaximumperterminal
Temperature control range: 45°Fto90°F(7°Cto32°C)Accuracy:±1°F(±0.5°C)
System congurations:2-stageheat&1-stagecoolheatpump,1-stageelectricheat
Timing: Anti-shortCycle: 4minutes
 BacklightOperation:10seconds
Terminations:R,C,O/B,Y,W,GH,GL
Important Safety Information
WARNING! : Always turn off power at the main power supply before installing, cleaning,
or removing thermostat.
•Thisthermostatisfor24VACapplicationsonly;donotuseonvoltagesover30VAC
•Allwiringmustconformtolocalandnationalelectricalandbuildingcodes
•Donotuseairconditioningwhentheoutdoortemperatureisbelow50degrees;thiscandamage
yourA/Csystemandcausepersonalinjuries
•Usethisthermostatonlyasdescribedinthismanual
Package Contents/Tools Required
Package includes: Amana
®
2246003thermostatonbase,thermostatcover,wiringlabels,screws
andwallanchors,Installation,OperationandApplicationGuide
Tools required for installation:Drillwith3/16”bit,hammer,screwdriver
Installation, Operation &
Application Guide
www.amana-ptac.com
2246003
Non-Programmable Electronic Thermostat
Electric Heat or HP, Manual Changeover, Hardwired
• Congurable
• 2-Stage Heat Pump Systems
• 1-Stage Electric Heat
• Backlit Display
• Field Calibration Feature
• Relay Outputs
(minimum voltage drop in thermostat)
• Ideally Suited for:
–Residential(NewConstruction/Replacement)
–LightCommercial
Parts Diagram
RESET
LEFT RIGHT
FanSwitchModeSwitch
Left
Button
Right
Button
ResetSwitch
LargeBacklitDisplay
UpButton
DownButton
ELECTRICAL SHOCK HAZARD – Turn off power at the main service panel by removing
the fuse or switching the appropriate circuit breaker to the OFF position before
removing the existing thermostat.
 IMPORTANT: Thermostatinstallationmustconformtolocalandnationalbuildingand
electricalcodesandordinances.
 Note:Mount the thermostat about four feet above the oor. Do not mount the thermostat
on an outside wall, in direct sunlight, behind a door, or in an area affected by a vent
or duct.
1.Turnoffpowertotheheatingandcoolingsystembyremovingthefuseorswitchingtheappropriate
circuitbreakeroff.
2. Toremovecover,insertandtwistacoinorscrewdriverintheslotsontopofthethermostat.
3. Putthermostatbaseagainstthewallwhereyouplantomountit(Besurewireswillfeedthrough
thewireopeninginthebaseofthethermostat).
4. Marktheplacementofthemountingholes.
5. Setthermostatbaseandcoverawayfromworkingarea.
6. Usinga3/16”drillbit,drillholesintheplacesyouhavemarkedformounting.
7. Useahammertotapsuppliedanchorsinmountingholes.
8. Alignthermostatbasewithmountingholesandfeedthecontrolwiresthroughwireopening.
9. Usesuppliedscrewstomountthermostatbasetowall.
10.Insertstripped,labeledwiresinmatchingwireterminals.See“WiringDiagrams”sectionofthis
manual.
 CAUTION! : Besureexposedportionofwiresdoesnottouchotherwires.
11. Gentlytugwiretobesureofproperconnection.Doublecheckthateachwireisconnectedtothe
properterminal.
12.Sealholeforwiresbehindthermostatwithnon-ammableinsulationorputty.
13.Replacecoveronthermostatbysnappingitinplace.
14.Turnonpowertothesystematthemainservicepanel.
15.Testthermostatoperationasdescribedin“TestingtheThermostat”.
To Install Thermostat
Terminal Designator Descriptions
 R – 24VAChot
 C – 24VACcommon
 O/B – Reversingvalve
 Y – 1ststagecool,1ststageHPheatforHP
 W – 2ndstageheatforHP,1ststageelectricheat
 GH – FanHigh
 GL – FanLow
Wiring Diagram Conversions
Cool & Electric Heat Heat Pump
Output Chart
1
ST
Cool 1
ST
Heat 2
ND
Heat
HSo=HeatPump(coolactivereversingvalve)
Y,GL,O Y,GL Y,GL,W
HSb=HeatPump(heatactivereversingvalve)
Y,GL Y,GL,B Y,GL,B,W
HSE=ElectricHeat
Y,GL W,GL W,GL
Note:GL will be on during heating and cooling cycle when fan switch is set to Auto
FanHigh
FanLow
Heat
Compressor
X
Former
ReversingValve
AuxiliaryHeat
Compressor
FanHigh
FanLow
X
Former

Summary

Thermostat Installation and Removal

To Remove Existing Thermostat

Step-by-step instructions for safely disconnecting and removing the old thermostat from the wall.

To Install Thermostat

Detailed guide on mounting the new thermostat base and connecting wires according to diagrams.

Technical Specifications and Wiring

Specifications

Details electrical ratings, temperature control range, system compatibility, and timing parameters.

Terminal Designator Descriptions

Explains the function of each terminal (R, C, O/B, Y, W, GH, GL) for system connections.

Wiring Diagram Conversions

Illustrates common wiring configurations for electric heat and heat pump systems.

Safety and Operation

Important Safety Information

Critical warnings on electrical hazards, voltage limits, and proper AC usage to prevent damage.

Configuration Mode

Guide to setting up the thermostat for specific heating/cooling system types and preferences.

Testing the Thermostat

Procedures to verify correct heating, cooling, and fan operation after installation.

System Modes and Troubleshooting

Mode of Operation

Explains the thermostat's functions in Cool, Off, and Heat modes, including fan control.

Starting the Thermostat

Initial steps for powering up the thermostat and setting the operating mode.

Troubleshooting

Lists common issues like no display, fan problems, and incorrect room temperature with remedies.

Amana 2246003 Specifications