Dip Switch Settings - Trane 2GN Series Installer's Manual

2GN SPLIT INSTALLER'S GUIDE

DIP SWITCH SETTINGS

DIP SWITCH
NUMBER
SW1 N/A
Service/Test Mode - Allows control of "NORM" or "TEST" operational
modes. Test mode accelerates most timing functions 16 times to allow
1
faster troubleshooting. Test mode also allows viewing the "CURRENT"
status of the fault inputs on the LED display.
Freeze Detection (Water Flow)
This lockout mode occurs when the freeze detection thermistor
2
temperature is at or below the selected point (well 30°F or loop 15°F) for
30 continuous seconds.
Accessory Relay
3
Allows fi eld selection of the accessory relay to operate with the
compressor or fan.
4 NOT USED
SW2
5 NOT USED
Input Diagnostics - Allows viewing the inputs from the thermostat to the
6
control board such as Y1, Y2, O, G, W, SL1-In on the LED display.
Output Diagnostics - Allows viewing the outputs from the control board
7
such as the compressor, reversing valve, blower, hot water pump, and loop
pump on the LED display.
Thermostat Selection
8 Confi gures the control for a pulsed lockout signal (ComforTalk and
FaultFlash thermostats) or continuous 5 VAC lockout signal.
1 Single or Dual Capacity Operation
Zoned/Finish on Second Stage
This switch allows the unit to down stage with the thermostat when off and
2
fi nish with second stage when on. Finish on second stage reduces stage
changing in reciprocating dual capacity compressors.
SW3
3 ECM Fan Monitoring - Set for No PRM on split systems
4 NOT USED
On dual capacity units this switch allows stage change: on the fl y when off,
5 and 1 minute delay when on. A delay is required on all reciprocating dual
capacity units.
22
DESCRIPTION
NOT USED
OFF POSITION ON POSITION
N/A
TEST NORM
LOOP WELL
(PROTECTION 15° (PROTECTION
F) 30° F)
FAN COMP
N/A
N/A
NORMAL
DIAGNOSTIC
DISPLAY
INPUTS VIEWED AT
VIEWED AT
LEDS
NORMAL
DIAGNOSTIC
DISPLAY
OUTPUTS VIEWED
VIEWED
AT LEDS
AT LEDS
CONTINUOUS
PULSED "L"
SIGNAL
SIGNAL
DUAL CAP 1 SPEED
FINISH ON
2ND UNZONED
NORMAL - DUAL
ALL OTHER CAPACITY
SYSTEMS E-SERIES OR
PREMIER 2
SPEED
NO RPM
N/A
TAMG SERIES
18-GL07D1-4
N/A
N/A
N/A
LEDS
"L"
RPM
N/A
N/A