37
Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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WIRING
CONNECTOR
LOCATION POINT
FUNCTION
CN-POWER
AC Power supply
AC Power line input for indoor controller
CN-MOTOR1
Fan motor output
Motor output of BLDC
CN-D/PUMP
Drain pump output
AC output for drain pump
CN-485
Communication
Connection between indoor and outdoor
CN-DISP
Display
Display of indoor status
CN-EEV
EEV Output
EEV Control output
CN-VANE2
Step motor
Step motor output
CN-FLOAT
Float switch input
Float switch sensing
CN-PIPE/IN
Suction pipe sensor
Pipe in thermistor
CN-PIPE/OUT
Discharge pipe sensor
Pipe out thermistor
CN-ROOM
Room sensor
Room air thermistor
CN-REMO
Remote controller
Remote control line
CN-CC
Dry Contact
Dry Contact line
CN-AIRC
Air Clean
Air cleaner control
Table 4: TR, TQ Chassis Wiring Diagram
4-Way Cassette TR, TQ Chassis
Table 5: TR, TQ Chassis DIP Switch Settings
For Multi V systems, DIP switches 1, 2, 6, and 7 must be set to OFF. These switches are used for other models.
Switch
Function
OFF
ON
Description
3
Group Control
Master
Slave
Selects master or slave operation for the IDU
4
Dry Contact
Variable
Auto
Selects mode of operation for optional dry contact:
Variable: Auto or Manual mode can be set with a 7-day
programmable controller or wireless remote
controller (factory setting is Manual)
Auto: Selects Auto mode
5
Ceiling Cassettes:
No Function
N/A
N/A
N/A
8
Communications
Data Rate
Generation 2
Generation 4
Selects IDU/ODU communications data rate.
Gen 2 data rate is 1.2kbps. Gen 4 data rate is 9.6kbps.
Note:
•
Switch 8 MUST be set to ON (Gen 4) for a Generation 4 indoor unit to function with Generation 4 features
• Generation 4 features also require Generation 4 outdoor units
