Aprilaire 8444 User manual

8400 Series Thermostats
READ AND SAVE THESE INSTRUCTIONS
Owner’s Manual
Includes
Operating Instructions and
Warranty Information
61000651C 8400 Tstat Owners.indd 1 10/13/09 11:13:35 AM

2
Thermostat features.............................................................................3
How to identify your thermostat’s model number ...................................................3
Controls & display overview
 ......................................................
 ..........................................................
TABLE OF CONTENTS
ABOUT YOUR NEW THERMOSTAT
OPERATION & PROGRAMMING
WARRANTY
Operation (all models)
  ................................................................
 .....................................................................
 ...............................................................7
  ................................................................7
  .............................................................7
Programmable models only (8463, 8465, 8466)
 ..............................................................................
 ................................................................
 ...........................................................................9
  ...................................................................10
  ................................................11
 ................................................................................12
.............................................................................12
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3
ABOUT YOUR NEW THERMOSTAT
THERMOSTAT FEATURES
Model 8444
Model 8446
Model 8448

Model 8463
Model 8465
Model 8466

All 8400 series thermostats










Programmable models only (8463, 8465, 8466)





HOW TO IDENTIFY YOUR THERMOSTAT’S
MODEL NUMBER



61000651C 8400 Tstat Owners.indd 3 10/13/09 11:13:36 AM

4
CONTROLS & DISPLAY OVERVIEW – MODELS 8444, 8446, 8448
NOTE:









 







HEAT PUMP MODELS ONLY


ABOUT YOUR NEW THERMOSTAT – NON-PROGRAMMABLE MODELS
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5
CONTROLS & DISPLAY OVERVIEW – MODELS 8463, 8465, 8466
NOTE:









 







HEAT PUMP MODELS ONLY









ABOUT YOUR NEW THERMOSTAT – PROGRAMMABLE MODELS
61000651C 8400 Tstat Owners.indd 5 10/13/09 11:13:36 AM

6
OPERATION – ALL MODELS
SELECT SYSTEM MODE
(OFF/HEAT/EM-HEAT/COOL/AUTO)
Press 
AUTO:

OFF:
HEAT:
COOL:
EM-HEAT:





Press  
 

CHANGE TEMPERATURE SETTING
61000651C 8400 Tstat Owners.indd 6 10/13/09 11:13:37 AM

7
SELECT FAN SETTING (ON/AUTO/CIRC)
Press 
ON:

AUTO:

CIRC:



OPERATION – ALL MODELS
BATTERY INSTALLATION AND RESET BUTTON









RESET SERVICE REMINDER MESSAGES
Press and hold  

61000651C 8400 Tstat Owners.indd 7 10/13/09 11:13:37 AM

8
SET TIME AND DAY
2. Press  
3. Press Press 

Press Press 

Press 


OPERATION & PROGRAMMING – PROGRAMMABLE MODELS ONLY (8463, 8465, 8466)
1. Press 

UNDERSTANDING PROGRAM SCHEDULES

WAKE:

LEAVE:

RETURN:

SLEEP:




61000651C 8400 Tstat Owners.indd 8 10/13/09 11:13:38 AM

9
Event Event designator Start time
Set temps
Heat Cool
1   
2   
3   
    
OPERATION & PROGRAMMING – PROGRAMMABLE MODELS ONLY (8463, 8465, 8466)
UNDERSTANDING PROGRAM SCHEDULES (CONTINUED)
PROGRESSIVE RECOVERY




Example:



61000651C 8400 Tstat Owners.indd 9 10/13/09 11:13:38 AM

10
CHANGING PROGRAM SCHEDULES
OPERATION & PROGRAMMING – PROGRAMMABLE MODELS ONLY (8463, 8465, 8466)
1. Press 

2. Press  
3. Press Press 

Press Press 

Press 

Press 

7. Press 


61000651C 8400 Tstat Owners.indd 10 10/13/09 11:13:39 AM