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Aprilaire 8800 manual

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Table of contents for the manual

  • Page 1

    READ AND SAVE THESE INSTRUCTIONS Safety & Installation Instructions Model 880 0 Universal Communicating Thermostat Installation location recommendations ............. 2 Thermostat mounting ........................... 2 Outdoor temperature sensor (optional) ............. 2 Remote temperature sensor (optional) ............. 3 Power & reset op[...]

  • Page 2

    2 3 INST ALLA TION INST ALLA TION LOCA TION RECOMMENDA TIONS Thermostat should be mounted: • On an interior wall, in a frequently occupied space. • Approximately 5‘ above floor . • At least 18” from outside wall. • Thermostat can be mounted to a vertical junction box. Do not mount thermostat: • Behind doors, in corners or other dead a[...]

  • Page 3

    4 5 WIRING TERMINAL Wire specifications: 18-24 gauge thermostat wire CA T -5 or equivalent for communication terminals Installation notes: • Ensure power at the HVAC equipment is off. • Loosen screw terminals, insert stripped wire and re-tighten. • Push the excess wire back into the opening and plug the wall opening to prevent drafts. Note: I[...]

  • Page 4

    6 7 INST ALLA TION SINGLE TRANSFORMER (USE JUMPER WIRE) 2nd COMPRESSOR 2nd AUX HEA TING FA N 1st COMPRESSOR 1st AUX HEA TING OUTDOOR TEMP SENSOR JUMPER REVERSING VA LV E HE AT PUMP TRANSFORMER REMOTE TEMP SENSOR OR G Y2 Y O BW RC RH W2 S2 R CS 1T 1T 2 A- B- A+ B+ RSB RSA COMMUNICA TION TERMINALS SUPPORT MODULE THERMOST AT IS POWERED FROM 8819 OR 24[...]

  • Page 5

    8 9 SETUP & TESTING INST ALLER SETUP MENU HOW TO ENTER THE INST ALLER SETUP MENU TO CHANGE SYSTEM SETTINGS: Press [MODE] to set system to OFF . Press [MENU] to enter main menu. Press and hold [SETUP] for seven seconds, [INST ALL SETUP] appears. Press [INST ALL SETUP] to enter installer setup menu. Press [NEXT] or [BACK] to page through the sett[...]

  • Page 6

    10 11 INST ALLER SYSTEM SETTINGS T ABLE (CONTINUED) SETUP & TESTING System setting Description Factory default setting (bold) and setting range 19. THIRD STAGE DIFFERENTIAL 3rd stage differential. 1°F (0.5°C) 1°F to 9°F (0.5°C to 4.5°C) 20. FOURTH STAGE DIFFERENTIAL 4th stage differential. 1°F (0.5°C) 1°F to 9°F (0.5°C to 4.5°C) 21.[...]

  • Page 7

    12 13 SETUP & TESTING SYSTEM TEST MENU The system test menu is used to test a system after installation. The outputs of the thermostat or humidistat can be manually activated to test their function. The instructions below show how to enter the test mode and turn outputs on and off. T est Number Thermostat System T est 60 Heating equipment test [...]

  • Page 8

    14 15 QUICK REFERENCE TO CONTROLS & DISPLA Y HOME SCREEN NOTE: BACKLIGHT IS ACTIVA TED WITH FIRST BUTTON PRESS AND AUTOMA TICALLY TURNS OFF . CURRENT DAY FAN MODE BUTTON FAN MODE SETTING SYSTEM MODE BUTTON SYSTEM MODE SETTING LOW BA TTERY INDICA TOR CURRENT TIME & DA TE MAIN MENU BUTTON TEMPERA TURE SETTING TEMPERA TURE ADJUSTMENT HOLD BUTT[...]

  • Page 9

    16 17 TROUBLESHOOTING DISPLA Y IS BLANK • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on. • Make sure furnace door is closed securely. HEA TING SYSTEM DOES NOT RESPOND (“HEA TING” APPEARS ON SCREEN) • Check for 24VAC at the equipment on the secondary side of the transformer b[...]

  • Page 10

    18 19 ERROR CODES If the thermostat enters an error mode, all outputs are turned off. The thermostat attempts to recover every 10 minutes. If the error does not clear , use the reset button. This will return all settings back to factory default. Error code Message Error Description 01 “SENSOR ERROR” Open temperature sensor circuit 02 Shorted te[...]

  • Page 11

    P.O. Box 1467 • Madison, WI 53701-1467 • Phone: 800/334-6011 • Fax: 608/257-4357 www.aprilairepartners.com 61000761 1.12 B2205382C © 2012 Aprilaire – A division of Research Products Corporation[...]