RS9210 Inst a llation Ma nua l
INSTALLATION MANUAL Thank you for purchasing a Robertshaw thermostat. This manual will describe how to install and test the Robertshaw RS9210 thermostat.
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.
THERMOSTAT QUICK REFERENCE Getting to know your thermostat 1 Mon LCD Displays the user selected set-point temperature. Days of the week and time.
WALLPLATE INSTALLATION Mercury Notice: Caution: Electrical Hazard This product is mercury-free. However, if this product is replacing a control which contains mercury, it needs to be disposed of properly. Contact your local waste management authority for instructions regarding recycling and proper disposal of the control. Disconnect power before installing this product. Failure to do so can cause electric shock or equipment damage. For a vertical mount, put screws on the top and bottom.
WIRING 1 Turn Off Power to Heating/Cooling System or Circuit breaker box Heating/cooling system power switch 2 Remove Old Thermostat Remove old thermostat but leave wallplate with wires attached.
WIRING 3 Label Wires with Tags Label the wires using the supplied wire labels as you disconnect them. 4 Separate Wallplate from New Thermostat 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.
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.
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).
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). or or or or or If there is a C or X wire available then you can connect with C terminal. If there is no C or X wire then no need to connect with C terminal. If you have a heat pump without auxiliary/backup heat connect either the O or B, not both. If you do not have a heat pump, do not connect O or B.
WIRING Terminal Designations Heat Pump System 1 HEAT 1 COOL / 2 HEAT 1 COOL Conventional System 1 HEAT 1 COOL / 2 HEAT 1 COOL Transformer Power Transformer Power Transformer Common Transformer Common Reversing Valve Energized in HEAT Energized in HEAT Reversing Valve Energized in COOL Energized in COOL Fan Relay Fan Relay First Stage of Emergency HEAT First Stage of HEAT Second Stage of HEAT/ EMERGENCY HEAT Second Stage of HEAT First Stage of HEAT and COOL First Stage of COOL Installatio
WIRING 1 Power supply. 2 Use either O or B terminals for reversing valve. 3 Optional 24 VAC common connection when thermostat is used in battery power mode. 4 Jumper (not supplied). 2H/1C Heat Pump System L2 L1(HOT) Note: In many systems with no emergency heat relay a jumper can be used between E and W2.
WIRING Typical 2H/1C Heat Pump System with separate emergency heat L2 L1(HOT) COMPRESSOR RELAY COOL REVERSING VALVE EMERGENCY RELAY HEAT REVERSING VALVE FAN RELAY AUXILIARY Conventional System 1H/1C, 2H/1C (Heat pump set to OFF in tech settings) L2 L1(HOT) COMPRESSOR RELAY HEAT RELAY FAN RELAY HEAT RELAY 2 12 Note: This thermostat is only compatible with ONE transformer systems.
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. 1. Press MENU. 2. Press and hold TECH SET for 3 seconds. 3. Configure the installer options as desired using the table on page 14. Use or to change settings and NEW STEP or PREV STEP to move from one option to another. Note: Only press DONE when you want to exit the Installer Setup options.
INSTALLER SETUP MENU Settings Filter Change Reminder Display This setting will flash FILT in the display after the elapsed run time to remind the user to change the filter. The OFF setting will disable this feature. This setting allows the installer to change the calibration of the Room room temperature display so Temperature that, for example, the thermostat Calibration would read 72°F instead of 70°F.
INSTALLER SETUP MENU Settings Compressor Short Cycle Delay Display The compressor short cycle delay setting will not allow the compressor to be turned on for 5 minutes after it was last turned off in order to protect the compressor. The cooling differential is factory preset at 0.5°. This means that whenever the room temperature Cooling heats by 0.5° from the temperature Differential setting, the cooling system will turn on. If the cooling system turns on too often, increase the temperature differential.
INSTALLER SETUP MENU Settings Display Adjustment Options Default Next step F or C Select F for Fahrenheit temperature display or select C for Celsius display. F for Fahrenheit C for Celsius F Prev step 12 or 24 Hour Clock Next step Select a 12 or 24 hour clock setting. Use and to select 12 or 24 hour clock. 12 Prev step Next step Select GAS or ELEC Fan depending on the type Operation of furnace.
INSTALLER SETUP MENU Settings Program Options Display This thermostat can be configured to have 7 Day, 5+1+1 programming or be non-programmable. If 7 Day is selected, in Set Time all seven days will need to be programmed individually. If 5+1+1 programming is selected, in Set Time Monday–Friday will be programmed together and Saturday and Sunday will need to be programmed individually. If 0d is selected, the thermostat becomes non-programmable.
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. Mon Room Set At Menu SLEEP FAN ON OFF AUTO Battery Installation Battery installation is optional if used with AC power (the C terminal is connected). During power outages, the batteries will save settings and power the display. 18 Insert 2 AAA Alkaline batteries.
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 or to select the current day of the week. 4. Press NEXT STEP. 5. The current hour will be flashing. Use or to select the current hour. Note the correct a.m. or p.m. indicator is selected. 6. Press NEXT STEP. 7. The minutes will be flashing. Use or to select the current minutes. 8. Press DONE when completed.
PROGRAMMING Default Program This thermostat is pre-programmed for energy saving operation. The default program is below: Default Program Day of the Week Events Time Set-Point Temperature (Heat) Set-Point Temperature (Cool) Weekday Wake 6 a.m. 70° F (21° C) 75° F (24° C) Leave 8 a.m. 62° F (17° C) 83° F (29° C) Return 6 p.m. 70° F (21° C) 75° F (24° C) Sleep Wake Leave Return 10 p.m. 62° F (17° C) 78° F (26° C) 8 a.m. 10 a.m. 6 p.m.
PROGRAMMING You can use the table below to plan your customized program schedule.
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). Follow the steps below to customize your program schedule: 1. Select HEAT or COOL.
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.
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