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Installation
Guide
TH7000 Series
Touch-screen Programmable Thermostat
This manual covers the following models
• TH7220U:
For up to 2 Heat/1 Cool Heat Pumps or 2 Heat/2 Cool Conventional systems
(Pull ther mostat from w allplate and tur n o v er to find model n umber)
• Heat only — tw o-wire systems ,
System Types
power to open and close
• Gas , oil, or electr ic heat with air
z one v alv es (Ser ies 20), and
conditioning
normallyopen zone valves
• W ar m air
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Installation Guide Wallplate installation 1. Separ ate w allplate from ther mostat. Gr asp top and bottom of w allplate and pull to remo v e from ther mostat. 2. Mount wallplate as shown below. Dr ill 3/16” holes f or dr yw all. Dr ill 7/32” holes f or plaster . M28073 Wire hole Mounting screws W all anchors MCR31514 Must be installed by a trained, experienced technician • Read these instr uctions carefully . F ailure to f ollo w these instr uctions
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TH7000 Series Power options F or 24V A C pr imar y po w er , connect common side of tr ansf or mer to “C” terminal. AUX C W2 C G Y2 E G NOT L Y Y USED O/B S1 W S1 RC S2 RC S2 R R M28420 Inser t supplied batter ies f or CONVENTIONAL HEAT PUMP primary or backup power. MCR31515 Wiring Remo v e f actor y-installed jumper Push excess wire back into the wall opening. only f or tw o-tr ansf or mer systems . Plug w all opening with non-flammab le insulation. SCREW INSERT WIR
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Installation Guide Wiring Wiring guide—conventional systems Shaded areas below apply only to TH7220. 1H/1C System (1 transformer) 1H/1C System (2 transformers) Rc Power [1] Rc P o w er (cooling tr ansf or mer) [1, 2] R [R+Rc joined b y jumper] R P o w er (heating tr ansf or mer) [1, 2] W Heat relay W Heat relay Y Compressor contactor Y Compressor contactor G Fan relay G Fan relay C 24V A C common [3] C 24V A C common [3, 4] S1 Optional outdoor/remote sensor S1 Optional outdoor/rem
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TH7000 Series Wiring Wiring guide—heat pump systems Shaded areas below apply only to TH7220. 1H/1C Heat Pump (no auxiliary heat) 2H/1C Heat Pump (with auxiliary heat) Rc Power [1] L Equipment monitor [6, 7] R [R+Rc joined b y jumper] E Emergency heat relay [8] O/B Changeover valve [5] Aux Auxiliary heat relay (Heat 2) [8] Y Compressor relay Rc Power [1] G Fan relay R [R+Rc joined b y jumper] C 24V A C common [3] O/B Changeover valve [5] S1 Optional outdoor/remote sensor Y Compressor rel
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Installation Guide Set date and time Press st Press st to set time to set month, then press NEXT 10:10 Repeat to set 6 2012 15 year and then da y of month Done Go Back Next Done M27521 MCR31518 Press DONE to save changes. Press DONE to save and exit. Installer setup 1. Press SYSTEM & FAN. 2. Press and hold the SYSTEM and DONE buttons until the 0120 20 display changes. 3. Change settings as System Fan Done System & Fan Schedule Clock & More required (see pages 7-9). MCR31510 M27522 Press
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TH7000 Series Setup functions Settings & Options ( fac tor y d efau l t i n bold) Shaded areas below apply only to TH7220. 0120 Year 20 (2000-2099) (first two digits) 21 (2101-2178) 0130 Year 12 (2012) (second two digits) [Other options: 00-99] 0140 Month 6 [Other options: 1-12] 0150 Date 15 [Other options: 1-31] 0160 Schedule format 4 7-day programming 0 Non-programmable 0165 Restore energy saving 0 Continue using programmed schedule. schedule 1 Restore thermostat program to energy
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Installation Guide Installer setup Setup functions Settings & Options ( fac tor y d efau l t i n bold) Shaded areas below apply only to TH7220. 0240 First stage heat 5 Gas or oil furnaces of less than 90% efficiency cycle rate (CPH= 1 Steam or gravity systems cycles per hour) 3 Hot w ater systems & fur naces of 90%+ efficiency 9 Electr ic fur naces [Other options: 2, 4, 6, 7, 8, 10, 11, 12 CPH] 0250 Second stage heat 5 Gas or oil furnaces of less than 90% efficiency cycle rate (CPH) 1 St
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TH7000 Series Installer setup Setup functions Settings & Options ( fac tor y d efau l t i n bold) 0500 Furnace filter 0 Off change reminder 1 10-day run time (about 1 month) 2 30-day run time (about 3 months) 3 60-day run time (about 6 months) 4 90-da y r un time (about 9 months) 5 120-da y r un time (about 1 y ear) 6 365-da y r un time (about 3 y ears) 0510 Humidifier pad 0 Off change reminder 1 90 calendar da ys 2 180 calendar days 3 365 calendar da ys 0520 UV lamp change 0 Off reminde
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Installation Guide Installer system test Once y ou enter installer setup , press the Go Back button repeatedly until “Test” 1 appears. 0120 20 Go Back Next Done MCR31511 Test number System status 1 EEEE es 0 Press st to change status Go Back Next Done MCR31520 Press Next to select next test. Press DONE to exit testing. Shaded areas below apply only to TH7220. System test System status 1 Cooling system 0 Compressor and f an tur n off 1 Compressor and f an tur n on 2 Second stage compress
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TH7000 Series Special functions Shaded areas below apply only to TH7220. Auto Changeover (Setup Function 0300): When set to A uto , the ther mostat automatically selects heating or cooling depending on the indoor temper ature . Heat and cool settings m ust be at least 2 deg rees apar t. If function 0380 is set to On, the heat and cool settings m ust be at least 5 deg rees apar t. Remote Sensor (Setup Function 0340): If an optional outdoor sensor is installed, the ther mostat can displ
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Installation Guide Specifications Temperature Ranges Electrical Ratings • Heat: 40° to 90°F (4.5° to 32°C) T er minal V oltage (50/60Hz) Running Current • Cool: 50° to 99°F (10° to 37°C) W Heating 20-30 V ac 0.02-1.0 A Operating Ambient Temperature (P o w er pile) 750 mV DC 100 mA DC • 0° to 120°F (-18° to 48.9°C) W2 Heating 20-30 V ac 0.02-0.6 A Shipping Temperature Y Cooling 20-30 V ac 0.02-1.0 A • -30° to 150°F (-34° to 66°C) Y2 Coolin
