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Summary of Contents for Robertshaw RS9220
- Page 1 RS9220 Installation Manual...
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Page 3: Table Of Contents
INSTALLATION MANUAL Thank you for purchasing a Robertshaw thermostat. ® This manual will describe how to install and test the Robertshaw RS9220 thermostat. Thermostat System Types Gas, Oil, or Electric Heat with Air Conditioning IMPORTANT SAFETY INFORMATION Heat Pumps (without auxiliary or emergency heat) -
Page 4: Installation Location
INSTALLATION LOCATION Install the thermostat 4 to 5 feet above the floor in an area with good air circulation and average temperature. For new installations, mount thermostat on an inside wall, 4-5 feet above the floor. Do not install the thermostat in the following locations: •... -
Page 5: Thermostat Quick Reference
THERMOSTAT QUICK REFERENCE Getting to know your thermostat Displays the user Days of the week selected set-point and time. Room temperature. Hold: Is displayed Set At when thermostat program is Sun Mon Tue Wed Thu Fri Sat overridden. Min Com On Menu Tech Set Heat... -
Page 6: Wallplate Installation
WALLPLATE INSTALLATION Mercury Notice: Caution: This product is mercury-free. However, Electrical Hazard if this product is replacing a control which contains mercury, it needs to Disconnect power before installing be disposed of properly. Contact your this product. Failure to do so can local waste management authority for cause electric shock or equipment instructions regarding recycling and... -
Page 7: Wiring
WIRING 1 Turn Off Power to Heating/Cooling System Circuit breaker Heating/cooling system power switch 2 Remove Old Thermostat Remove old thermostat but leave wallplate with wires attached. Do not remove wallplate Terminal designation... - Page 8 WIRING 3 Label Wires with Tags 4 Separate Wallplate from New Thermostat Label the wires using the supplied wire labels as you disconnect them. Remove wallplate from the new thermostat and mount onto wall. Wiring Labels Apply these wiring labels to each wire with the appropriate terminal designation as you remove it from the existing thermostat.
- Page 9 WIRING 5 Mount Wallplate for New Thermostat Mount the new wallplate using the included screws and anchors. Drill 3/16-in. holes for drywall Drill 3/16-in. holes for plaster...
- Page 10 WIRING 6 Connect Wires Simply match wire labels. If labels do not match letters on the thermostat, check “Alternate Wiring (Conventional Systems)” on page 9 and connect to terminal as shown (see notes, below). Remove metal jumper if you have both RH and Rc wires Insert wires and tighten screws...
- Page 11 WIRING Alternate Wiring (Conventional Systems) If labels do not match letters on the thermostat, check the chart below and connect to terminal as shown here (See notes, below). If wires will be connected to both RC and RH/R terminals, remove metal jumper. If there is C or X wire available then you can connect with C terminal.
- Page 12 WIRING Terminal Designations 24 VAC Common Heat pump reversing valve energized In cooling Heat pump reversing valve energized in heating Heat relay Stage 1 Heat relay Stage 2 24 VAC power for heating 24 VAC power for cooling Fan relay Compressor relay Stage 1 Compressor relay Stage 2 Notes...
- Page 13 WIRING Power supply. Optional 24 VAC common connection when thermostat is used in battery power mode. Typical 2H/2C System: 1 Transformer Typical 2H/2C System: 2 Transformers REMOVE JUMPER (HOT) (HOT) COMPRESSOR COMPRESSOR RELAY RELAY HEAT RELAY FAN RELAY FAN RELAY HEAT RELAY HEAT RELAY 2 HEAT RELAY 2...
- Page 14 WIRING Typical Heat-Only System Typical Cool Only System (HOT) (HOT) COMPRESSOR RELAY HEAT RELAY FAN RELAY Typical 2H/2C Heat Pump System w/o Aux. Typical Heat-Only System With Fan (HOT) (HOT) COMPRESSOR RELAY 1 COOL REVERSING HEAT RELAY VALVE FAN RELAY HEAT REVERSING FAN RELAY VALVE...
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Page 15: Installer Setup Menu
INSTALLER SETUP MENU Installer Setup Menu This thermostat has an installer setup menu for easy configuration. Follow the procedure below to set up the thermostat to match the specific heating/cooling system. Press MENU. Press and hold TECH SET for 3 seconds. Configure the installer options as desired using the table below. - Page 16 INSTALLER SETUP MENU Settings Display Adjustment Options Default The filter change reminder can be This setting will flash FILT in the adjusted from OFF to 2000 hours Next step display after the elapsed run time in 50 hour increments. Press Filter Change to remind the user to change the the second button from the top...
- Page 17 INSTALLER SETUP MENU Settings Display Adjustment Options Default Next step The compressor short cycle delay Compressor setting will not allow the compressor The compressor short cycle Short Cycle to be turned on for 5 minutes after it delay setting can be removed by selecting OFF.
- Page 18 INSTALLER SETUP MENU Settings Display Adjustment Options Default Next step F for Fahrenheit Select F for Fahrenheit temperature For C display or select C for Celsius display. C for Celsius Prev step Next step 12 or 24 Select a 12 or 24 hour clock setting. Hour Clock select 12 or 24 hour clock.
- Page 19 INSTALLER SETUP MENU Settings Display Adjustment Options Default This thermostat can be configured to have 7 Day, 5+1+1 programming or be non-programmable. Next step If 7 Day is selected, in Set Time all seven days will need to be programmed individually. Program to select If 5+1+1 programming is selected,...
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Page 20: Mounting & Battery Installation
MOUNTING & BATTERY INSTALLATION Mounting Thermostat Align the 4 tabs on the faceplate with the corresponding slots on the back of the thermostat, then push gently until the thermostat snaps into place. Room Set At Menu SLEEP SYSTEM HEAT AUTO COOL Battery Installation Battery installation is optional if used with AC power (the C terminal is connected). -
Page 21: Programming
PROGRAMMING Set Time of Day and Day of Week 1. Press MENU. 2. Press SET TIME. 3. Day of the week will be flashing. Use to select the current day of the week. 4. Press NEXT STEP. 5. The current hour will be flashing. Use to select the current hour. - Page 22 PROGRAMMING Default Program This thermostat is pre-programmed for energy saving operation. The default program is below: Default Program Day of the Set-Point Temperature Set-Point Temperature Time Events Week (Heat) (Cool) Weekday 6 a.m. 70°F (21°C) 75°F (24°C) Wake 8 a.m. 62°F (17°C) 83°F (28°C) Leave...
- Page 23 PROGRAMMING You can use the table below to plan your customized program schedule. Custom Program Day of the Set-Point Temperature Set-Point Temperature Time Events Week (Heat) (Cool) Weekday Wake Leave Return Sleep Saturday Wake Leave Return Sleep Sunday Wake Leave Return Sleep...
- Page 24 PROGRAMMING Custom Programming This thermostat can be configured to have 7 Day or 5+1+1 programming. If 7 Day is selected, all seven days will need to be programmed individually. If 5+1+1 programming is selected, Monday–Friday will be programmed together and Saturday and Sunday will need to be programmed individually. There are four time periods for each day (WAKE, LEAVE, RETURN, SLEEP).
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Page 25: Specifications
SPECIFICATIONS Specifications Temperature Display Range ....41°F to 95°F (5°C to 35°C) Temperature Control Range ....44°F to 90°F (7°C to 32°C) Load Rating ..........1 amp per terminal, 1.5 amp maximum all terminals combined Display Accuracy ........± 1°F Differential ..........Heating is adjustable from 0.2°F to 2.0°F Cooling is adjustable from 0.2°F to 2.0°F Power Source......... - Page 28 Customer Service +1.800.304.6563 Technical Service +1.800.445.8299 Use Phone Year HVACCustomerService@robertshaw.com to Scan for Limited 352-00305-001 Rev. B www.robertshaw.com • 352-XXXX-XXX Warranty Info Warranty © 2021 Robertshaw Controls Company. Robertshaw is a trademark of Robertshaw Controls Company. ®...