Aprilaire 8081 TT User manual

1
8081 TT / 8082 TrH
Support Module
READ AND SAVE THESE INSTRUCTIONS
Installation Instructions
FEATURES







MODEL 8081 TT OPTIONS
*For remote temperature sensors use the Aprilaire Model 8051 Flush Mount Temperature Sensor, Model 8052 Duct/Outdoor
Temperature Sensor, or the Model 8053 Surface Mount Temperature Sensor.




MODEL 8082 TrH OPTIONS
 
 
 
3-4
TABLE OF CONTENTS
5-6
7
7


2
3
INSTALLATION RECOMMENDATIONS



CONTROLLING SENSOR SHOULD BE MOUNTED:







DO NOT MOUNT CONTROLLING SENSOR:
















SUPPORT MODULE MOUNTING



WIRING
RC
C
RSA & RSB
T1 & T2
T3 & T4
WIRE SPECIFICATIONS







INSTALLATION NOTES
WIRING TERMINALS

4
5
WIRING (CONTINUED)








8082 8081
8800




1
2
3
4
5
6
OFF ON OFF ON
ADDRESS ADDRESS
ADDRESS ADDRESS
MONITOR (S1)CONTROL (S1)
MONITOR (S2)CONTROL (S2)
SPARESPARE
T1/T2 (S1)ONBOARD SENSOR
DIP SWITCH CONFIGURATION


SUPPORT MODULE ADDRESS SELECTION – DIP SWITCH 1 & 2
ADDRESS 1
ADDRESS 2
ADDRESS 3
ADDRESS 4
OFF ON
OFF ON
OFFON
OFFON


If the support module is set to address 1, sensor 1 is set to monitor, and
the 8800 thermostat does not have an outdoor temperature sensor attached then the 8800 thermostat will
use sensor 1 as the outside temperature value.




SENSOR 1 MODE – DIP SWITCH 3
WIRING DIAGRAM




Note: If the switch is set to off and there is no temperature sensor wired to T1&T2 then no value will
be reported for sensor 1 or sensor 2 and “CHECK SM” message will be displayed at the 8800 thermostat.
SENSOR 1 SELECTION – DIP SWITCH 6

6
7
DIP SWITCH CONFIGURATION (CONTINUED)

DIP SWITCH 5
TROUBLESHOOTING



THE 8800 THERMOSTAT DISPLAY IS BLANK
Temperature 

Temperature Accuracy 
Humidity 
Humidity Accuracy 
Electrical 


THE 8800 THERMOSTAT DISPLAYS A VERY HIGH TEMPERATURE


8800 THERMOSTAT DOES NOT DISPLAY THE OUTDOOR TEMPERATURE FROM THE SUPPORT MODULE
SPECIFICATIONS
8081








8082








Note: If the 8800 thermostat has both humidity and temperature sensors set to control, the temperature
sensors will be used for control and the 8800 thermostat will display a CONFLICTING CONTROL SENSORS
message in the message center.
SENSOR 2 MODE – DIP SWITCH 4


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

ACCESSORIES – OPTIONAL REMOTE TEMPERATURE SENSORS




MODEL 8051 FLUSH MOUNT TEMPERATURE SENSOR




MODEL 8052 OUTDOOR/DUCT MOUNT TEMPERATURE SENSOR


MODEL 8053 SURFACE MOUNT TEMPERATURE SENSOR