Instruction/ maintenance manual of the product 8348 Aprilaire
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MODEL 8344 HEA T/COOL NON-PROGRAMMABLE MODEL 8346 HEA T PUMP NON-PROGRAMMABLE MODEL 8348 HEA T/COOL MUL TI-ST AGE NON-PROGRAMMABLE MODEL 8363 HEA T/COOL 5/2 DA Y PROGRAMMABLE MODEL 8365 HEA T PUMP 5/2.
1 SPECIFICA TIONS Comfort Range 60°F – 80°F Comfort Control Accuracy ± 1 °F (applies to settings within Comfort Range) Operating Range 1 32°F – 99°F Maximum Control Accuracy ± 2°F T emperature Setting (Control) Range 50°F – 90°F heating; 60°F – 90°F cooling Switched Load V oltage 18 – 30 volts Maximum Operating Current 1.
THERMOST A T INST ALLA TION INSTRUCTIONS Step 1. Choose a location to mount the thermostat • Approximately 5 feet off the floor (refer to local codes for compliance with the Americans with Disabilities Act). • On an interior wall where the temperature is most representative of the zone being controlled by the thermostat.
Step 3. Mount the thermostat on the wall There are two sets of mounting holes – one set for use when mounting to a junction box, another set for direct wall mounting. IMPORT ANT! TURN OFF POWER A T THE HVAC EQUIPMENT BEFORE PROCEEDING WITH THERMOST A T INST ALLA TION! Mounting the thermostat directly to the wall (without junction box) 1.
Mounting the thermostat to a junction box 1. Install the top j-box screw (not included), until the head is approximately 1/8” from the surface of the wall. 2. Slide the thermostat on to the top screw . 3. Install the bottom screw (not included) to finish the installation.
Set the O/B reversing valve jumper in the proper position (Models 8346 and 8365 only) The thermostat comes with an O/B terminal which can be configured to be an ‘O’ terminal (for most heat pumps) or to be a ‘B’ terminal.
APRILAIRE MODEL 8344 OR 8363 THERMOST A T FA N RELA Y 1ST ST AGE HEA T R FURNACE C G Y1 W1 1ST ST AGE COOL L1 L2 120 VA C 24 VA C 1ST STG COOL COOLING EQUIPMENT Y1 C LO HI W Y G RC RH HI opens at 100 ° F ± 9 ° F LO closes at 41 ° F ± 9 ° F AUT O ON GAS ELEC Step 5.
7 FA N RELA Y 2ND ST AGE HEA T 1ST ST AGE HEA T R HEA T/BLOWER EQUIPMENT C G Y1 W1 Y2 W2 1ST ST AGE COOL 2ND ST AGE COOL L1 L2 120 VA C 24 VA C 1ST STG COOL 2ND STG COOL COOLING EQUIPMENT Y1 C Y2 APRI.
Step 6. Install supplied batteries Install two new AA alkaline batteries (included). Do not mix old and new batteries Step 7. Reassemble the thermostat No tools required – simply snap the thermostat face back on the thermostat. 8 Y1 O/B W2 L C R 1ST STG COMP .
Step 8. Perform check-out 1. Slide the Fan switch to the On position. The blower should come on. Return the Fan switch to the Auto position. 2. Slide the Mode switch to the Heat position. 3. Use the ADJUST – Up button to raise the temperature 2° - 3° above the current room temperature.
5. Return the Mode switch to the Off position to stop the heat call. 6. Slide the Mode switch to the Cool position. 7. Use the ADJUST – Down button to lower the temperature 2°- 3° below the current room temperature. “COOL” on the display will begin to flash and the cooling equipment should start.
Step 9. Set up temperature scale, differential, offset and Water Panel/filter change indicators 1. Slide the Mode switch to the Off position. 2. Press and hold both the ADJUST – Up and Down buttons until “ROOM” and “OFF” are no longer displayed.
6. T emperature Offset (OF) – All thermostats are factory calibrated to be within 1° of true temperature. Offset is available to allow for agreement with field temperature measuring instruments. Use the ADJUST – Up or ADJUST – Down button to change the offset value between –4° and +4°.
9. Air Filter Change Indicator – Use this feature to remind the homeowner when an air filter change is needed. Use the ADJUST – Up and ADJUST – Down buttons to select the number of months between recommended filter changes. Use 1 or 3 for panel type filters and 6 or 12 for extended (pleated) media type filters.
14 10. Weekend Events – Use this feature to set the number of events for the weekend program. The default value is 4 events (The E NERGY S TA R ® setting), which will result in the “LEA VE” and “RETURN” events to be used during programmed operation.
Press the CURRENT TIME button to enter the minutes value and access the “day of the week” value. Use the ADJUST – Up and ADJUST – Down buttons to set the current day of the week. Press the CURRENT TIME button again to finish. The word “DONE” will appear on the display .
An important point after buying a device Aprilaire 8348 (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 8348 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 8348 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Aprilaire 8348 you will learn all the available features of the product, as well as information on its operation. The information that you get Aprilaire 8348 will certainly help you make a decision on the purchase.
If you already are a holder of Aprilaire 8348, 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 8348.
However, one of the most important roles played by the user manual is to help in solving problems with Aprilaire 8348. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Aprilaire 8348 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
