Instruction/ maintenance manual of the product 8620 Aprilaire
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Model 8 6 2 0 Thermostat with Event-Based ™ Air Cleaning and Humidity or V entilation Control READ AND SAVE THESE INSTRUCTIONS Ow ne r ’ s Man u al Includes Operating Instructions and Warranty Inf.
2 3 WARNING Do not use sharp instruments to press touch screen. Only use your fingertips. Thermostat features ........................... 3 Controls & display overview ................... 4-5 T ABLE OF CONTENTS ABOUT YOUR NEW THERMOST A T OPERA TION INDOOR AIR QUALITY FUNCTIONS Select system mode (EM HEA T/HEA T/OFF/COOL/AUTO) .
4 5 CONTROLS & DISPLA Y OVERVIEW – HOME SCREEN ABOUT YOUR NEW THERMOST A T CONTROLS & DISPLA Y OVERVIEW – MAIN MENU ABOUT YOUR NEW THERMOST A T NOTES: .
6 7 OPERA TION Press [MODE] to select: EM HEA T : (only for heat pumps with auxiliary heat) Thermostat controls auxiliary heat. Heat pump will not operate in EM HEA T mode. HEA T : Thermostat controls only the heating system. OFF: Heating and cooling systems are off.
8 9 OPERA TION MAINTENANCE REMINDERS .
10 11 INDOOR AIR QUALITY FUNCTIONS Press [AIR CLEANING] on the Home screen to enter the Air Cleaning screen. If installed, air cleaning can operate in five different modes. Air cleaning will activate the fan for the purpose of air cleaning. Off: The air cleaner will not call the fan for the purpose of air cleaning.
12 13 INDOOR AIR QUALITY FUNCTIONS Press [HUMIDITY CONTROL] on the Home screen to enter the Humidity Control screen. The Humidity Control screen is used to access control for .
14 15 INDOOR AIR QUALITY FUNCTIONS HUMIDITY CONTROL (CONTINUED) In manual mode it is important to anticipate a drop in outdoor temperature and reduce the setting accordingly to avoid excessive condensation.
16 17 INDOOR AIR QUALITY FUNCTIONS HUMIDITY CONTROL (CONTINUED) If dehumidification is installed the thermostat can .
18 19 INDOOR AIR QUALITY FUNCTIONS Humidity Control Screen with only Dehumidification Installed HUMIDITY CONTROL (CONTINUED) .
20 21 INDOOR AIR QUALITY FUNCTIONS Press [FRESH AIR] on the Home screen to enter the Fresh Air screen. If ventilation is installed, Fresh Air can operate in four different modes.
22 23 PROGRAM SCHEDULE AND HOLDS Press [MENU] to enter the main menu. Press [SET CLK/DA TE] to enter clock menu. SET TIME AND DA TE Press or to set the hour . Press [Next] , then or to set the minute. Press [Next] , then or to set the month. Press [Next] , then or to set the day .
24 25 Event designator Start time Set temperature Fan Heat Cool W AKE LEA VE RETURN UNDERST ANDING PROGRAM SCHEDULES (CONTINUED) PROGRAM SCHEDULE AND HOLDS .
26 27 PROGRAM SCHEDULE AND HOLDS Press [Next] , then [FAN] to set the fan mode of the first event. CHANGING PROGRAM SCHEDULES (CONTINUED) Press [Next] to advance to the next event.
28 29 PROGRAM SCHEDULE AND HOLDS PERMANENT PROGRAM HOLD Press [HOLD] to permanently hold the temperature at its current setting while the schedule is running.
30 31 PROGRAM SCHEDULE AND HOLDS Press [Next] , then or to set end date. Press [Next] , then or to set end time. Press [DONE] to save and exit, Or [CANCEL] to exit without saving. The thermostat will save and exit if nothing is pressed within 20 seconds.
32 33 USER SYSTEM SETTINGS T ABLE SETUP MENU bold .
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An important point after buying a device Aprilaire 8620 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Aprilaire 8620 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Aprilaire 8620 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Aprilaire 8620 you will learn all the available features of the product, as well as information on its operation. The information that you get Aprilaire 8620 will certainly help you make a decision on the purchase.
If you already are a holder of Aprilaire 8620, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Aprilaire 8620.
However, one of the most important roles played by the user manual is to help in solving problems with Aprilaire 8620. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Aprilaire 8620 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
