Carrier AGATWNPME01B Installation Instructions Manual page 19

AGATWNPME01B: Installation Instructions
The DIP switch configuration for each furnace is shown at the top of the
wiring label, see Fig. 28 and Fig.
Single-Stage Heating and Cooling with Single-Stage Thermostat Using Two Single-Stage Furnaces
C
R
W
Y
G
*
Dehum
C
R
W1
W2
Y 1
Y2
G
*
Dehum
*. Dehum is not available on all thermostats or control boards
C
R
W
Y 1
G
*
Dehum
C
R
W1
W2
Y 1
Y2
G
*
Dehum
*. Do not remove ACRDJ from furnace control boards
†. Dehum is not available on all thermostats or control boards
LHT switches must be in correct configuration
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
29.
Table 3 – Single-Stage Furnace Thermostat Connections
C Transformer Common
R Power from control board to thermostat.
W Starts LH and RH furnaces in heating.
Y/Y2 Energizes accessory cooling relay to start both A/C units for cooling.
G Starts both indoor fans on cooling speed (with Y/Y2 energized).
Reduces airflow in cooling mode to from cooling speed to heating speed when Dehum input is
*
Dehum
removed.
Two-Stage Heating with Two-Stage Thermostat Using Single-Stage Furnaces
C Transformer Common
R Power from control board to thermostat.
W Starts LH furnaces in first stage heating.
None Thermostat W2 wired directly to RH accessory relay to start RH furnace for second stage heating.
Energizes accessory cooling relay to start LH and A/C unit for first stage cooling and cooling speed
Y/Y2
blower.
None
Thermostat Y2 wired directly to RH accessory relay to start RH A/C for second stage cooling
G Starts both indoor fans on cooling speed (with Y/Y2 energized).
* Reduces airflow in cooling mode to 90% of high cooling airflow when Dehum input is removed
Dehum
Table 4 – Two-Stage Furnace Thermostat Connections
Two-Stage Heating with Single-Stage Thermostat Using Two-Stage Furnaces
C Transformer Common
R Power from control board to thermostat.
W/W1 Starts LH and RH furnaces in low heat or high heat, as determined by LH furnace control board.
Y/Y2
Energizes accessory cooling relay to start both A/C units for cooling
G Starts both indoor fans on cooling speed (with Y/Y2 energized).
† Reduces airflow in cooling mode to 90% of high cooling airflow when Dehum input is removed.
Dehum
Two-Stage Heating with Two-Stage Thermostat Using Two-Stage Furnaces
C Transformer Common
R Power from control board to thermostat.
W/W1 Starts both furnaces in low heat for first stage heating.
W2 Starts both furnaces in high heat for second stage heating.
Y/Y2
Energizes accessory cooling relay to start LH A/C unit for first stage cooling
None
Thermostat Y2 wired directly to RH accessory relay to start RH A/C for second stage cooling
G Starts both indoor fans on cooling speed (with Y/Y2 energized).
†
Reduces airflow in cooling mode to 90% of high cooling airflow when Dehum input is removed.
Dehum
Fig. 28 – DIP Switch Configuration
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A150026
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.
*
.
*
.
*
.