Robertshaw Digital Non-Programmable Thermometer - Manuals

Page 2 - Wiring Table; Old Terminal

WARNING: • Always turn off power at main fuse or circuit breaker panel before installing, removing, cleaning, or servicing thermostat. • Read all the information in this manual before installing this thermostat. • DO NOT CONNECT TO 120 VAC. This is a 24 VAC low-voltage thermostat. Do not install on ...

Page 3 - Step 2: Installing Model 8406 Thermostat; NOTE: FOR NEW INSTALLATIONS, MOUNT THERMOSTAT ON; Turn power off to the heating and cooling systems.; Figure 2

1. Turn off power to heating and cooling system. 2. Remove cover from old thermostat to expose wires (Figure 1). 3. Disconnect wires one at a time from existing terminals. Use enclosed labels to mark existing wires. Refer to cross references in the Wiring Tableif existing wiring does not directly ma...

Page 4 - Figure 3; Figure 4

4. Remove the cover using a coin or screwdriver (Figure 3). Set aside. 5. Place thermostat against the wall at desired location. Make sure wires will feed through opening (Figure 4) on base of thermostat. 6. Mark placement of mounting holes (Figure 4). Set base aside. 7. If mounting on drywall, tap ...

Page 5 - COOL ONLY; Wiring Diagrams

5 Hot Cooling Control Transformer 24 VAC 120 VAC COOL ONLY SINGLE TRANSFORMER 2-WIRE RH RC Y1 G Factory-Installed Jumper T H E R M O S T A T Hot Cooling Control Fan Control Transformer 24 VAC 120 VAC COOL ONLY SINGLE TRANSFORMER 3-WIRE RH RC Y1 G Factory-Installed Jumper T H E R M O S T A T ♦ Wiring...

Page 6 - Figure 5

13. Make sure wire connections are secure. 14. Push excess wire back through opening. 15. Set the Electric/Gas switch to ELEC (Figure 5). 16. Install two AA Energizer ® brand batteries or equivalent into battery compartment as shown (Figure 5). 17. Replace thermostat cover by snapping into place. 6 ...

Page 7 - Step 3: Testing the Thermostat; CAUTION: DO NOT SWITCH SYSTEM TO COOL OR LEAVE IN COOL MODE

7 Step 3: Testing the Thermostat WARNING: DO NOT SHORT (JUMPER) ACROSS TERMINALS OF GAS VALVE OR SYSTEM CONTROL TO TEST OPERATION. THIS WILLDAMAGE THE THERMOSTAT AND VOID YOUR WARRANTY. CAUTION: DO NOT SWITCH SYSTEM TO COOL OR LEAVE IN COOL MODE IF THE TEMPERATURE IS BELOW 50°F (10°C). THIS CANDAMAG...

Page 8 - System; Temperature Differential; diFF

Step 4: Customizing the Thermostat ♦ Settings System Cool: The thermostat controls the cooling.Off: The heating and cooling systems are off. Fan Auto: Equipment controls the fan.On: The fan operates continuously. ♦ Temperature Differential The temperature differential is factory set at 1.0°F (.5°C)....

Page 9 - Check Filter Reset; CHECK FILTER; Backlit Display

9 ♦ Check Filter Reset Once the filter timer has expired, CHECK FILTER will turn on and stay on. To clear the message and resetthe timer: 1. Press the and buttons and hold for 3 seconds. CLr will appear in the time display. 2. Press any key to clear the message. The display will transition to thetem...

Page 10 - Step 5: Troubleshooting; Symptom; Thermostat does not turn on system.; Installation; If problems with thermostat cannot be resolved, call:; For after hours service, a 24-hour automated help line is available.

Step 5: Troubleshooting Symptom Remedy Thermostat does not turn on system. Check wiring (see Installation section). 10 Thermostat turns system on andoff too frequently. Increase temperature differential(see Changing the Temperature Differential section). Display is blank, flashing or constant LO BAT...

Page 11 - Two Year Limited Warranty; warrants to the original contractor installer,

11 Two Year Limited Warranty Invensys Controls Americas warrants to the original contractor installer, or to the original consumer user, each new Robertshawthermostat to be free from defects in materials and workmanship undernormal use and service for a period of two (2) years from date ofpurchase. ...

Page 12 - NOTES