Page 2 - TABLE 1; Old Label
Features • Four pre-programmed setpoints for each day of the week. • Fast and easy programming for setting all days of the week simultaneously. • Energy efficient recovery. • Residual cooling for added air-conditioning efficiency. • Two “AA” ENERGIZER brand batteries retain program memory, even duri...
Page 3 - FIGURE 1; Installing the Model 8355 Thermostat; FIGURE 2
FIGURE 1 Installing the Model 8355 Thermostat NOTE: For new installations, mount thermostat on inside wall, 4-5 feet above the floor. Do not install behind a door, in a corner, near air vents, indirect sunlight, or near any heat or steam generating fixtures. Installationat these places will affect t...
Page 4 - FIGURE 3; NOTE: Enclosed plastic; FIGURE 4; OPENING
FIGURE 3 7. Drill the marked holes using a 3/16" drill bit. NOTE: Enclosed plastic anchors do not require a drilled hole for drywall. 8. Tap plastic anchors into the holes. 9. Align base with plastic anchors and feed wires through opening. See Fig 4. FIGURE 4 10. Secure base to wall with supplie...
Page 5 - Programming Guide
Programming Guide Set Time of Day, Day of Week,Temperature Differential, Residual Cooling 1. Press SET & PROG/MAN. Release simultaneously. Press or to change Time of Day. 2. Press 3. Press To Change Day of Week 4. Press 5. Press To change 1st Stage Temperature Differential NOTE: The Temperature ...
Page 7 - SUMMER
Setting Daily Programming 1. Place COOL-OFF-HEAT-EM in COOL position. 2. Press SET button. The display will show a number from 1 to 7. This number representsthe day of the week to be programmed. Ifprogramming individual days, press eitheror button to adjust the day of the week to program (1=Mon., 2=...
Page 8 - While in the Cool or Heat mode, once the thermostat turns the system
3. Press PROG/MAN button until indicator is in PROG position. Temporary Program Override To temporarily increase or decrease temperature Press or The thermostat will automatically return to the program at the next scheduled setting change or after four hours. Manual Operation Manual operation allows...
Page 10 - Troubleshooting; SYMPTOM REMEDY; If problems with thermostats cannot be solved, call:
Troubleshooting SYMPTOM REMEDY 10 Thermostat does not turn on system. Check Wiring (see INSTALLATION). Check fuse. Replace with 3 ampfuse if fuse has opened. Fiveminute compressor short cycleprotection may be in effect. PressRESET to override. NOTE: This will erase programming. Thermostat turns on a...
Page 11 - APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT CONVERSION TO CARRIER; APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT CONVERSION TO; Wiring Diagrams
11 R Y1 O B G E W2 L C Y2 APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT R Y O G E W2 L C W3 CARRIER LOW VOLTAGE TERMINAL BOARD APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT CONVERSION TO CARRIER SPLIT SYSTEM CONDENSORS AND HEAT PUMP SYSTEMS THE LOW VOLTAGE TERMINAL DESIGNATIONS AND THEIR DESCRIPTION AND/OR ...
Page 12 - CYC SERIES HEAT PUMP SYSTEMS
12 R Y1 O B G E W2 L C Y2 APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT R Y O G W1 W2 X C COMFORTMAKER LOW VOLTAGE TERMINAL BOARD APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT CONVERSION TO COMFORTMAKER CYC SERIES HEAT PUMP SYSTEMS THE LOW VOLTAGE TERMINAL DESIGNATIONS AND THEIR DESCRIPTION AND/OR FUNCTION ...
Page 13 - APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT CONVERSION TO PAYNE; HEAT PUMP SYSTEMS
13 R Y1 O B G E W2 L C Y2 APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT R Y O G W2 L C PAYNE LOW VOLTAGE TERM INAL BOARD APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT CONVERSION TO PAYNE RELIANT AND ENDURA MODEL HEAT PUMP SYSTEMS THE LOW VOLTAGE TERMINAL DESIGNATIONS AND THEIR DESCRIPTION AND/OR FUNCTION AR...
Page 14 - APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT CONVERSION; APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT CONVERSION TO YORK
14 R Y1 O B G E W2 L C Y2 APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT R Y O G X2 W-U B WEATHERTRON LOW VOLTAGE TERMINAL BOARD APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT CONVERSION TO WEATHERTRON HEAT PUMPS THE LOW VOLTAGE TERMINAL DESIGNATIONS AND THEIR DESCRIPTION AND/OR FUNCTION ARE USED ON ALL SPLIT...
Page 15 - APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT CONVERSION TO LENNOX
15 R Y1 O B G E W2 L C Y2 APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT R Y O G E W1 L C T LENNOX LOW VOLTAGE TERMINAL BOARD APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT CONVERSION TO LENNOX CB19 HEAT PUMP SYSTEMS THE LOW VOLTAGE TERMINAL DESIGNATIONS AND THEIR DESCRIPTION AND/OR FUNCTION ARE USED ON ALL S...
Page 16 - Limited Warranty; Products For Better Indoor Air Quality
Limited Warranty Your Research Products Corporation Aprilaire ® Thermostat unit is expressly warranted for two (2) years from date of installa- tion to be free from defects in materials and workmanship. Research Products Corporation’s exclusive obligation under this war-ranty shall be to supply, wit...