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