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American Standard ACONT402AN32DA, Installer'S Manual

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American Standard ACONT402AN32DA Installer'S Manual Download Page 6

6

Pub. No.  11-HD03D3-3

Installer’s Guide

R

G

Y/ 

Y1

W1

B

24VAC HOT

24VAC 

common

 COMFORT CONTROL

DUAL FUEL SINGLE STAGE HEAT PUMP
NON-VARIABLE SPEED GAS FURNACE
BK DISABLED

FAN

SOV

COOL/HEAT -

1st STAGE

HEATING -

2nd STAGE

HEATING -

3rd STAGE

W2

O

W3

Y2

BK

R

G

W/

W1

W2

Y

Y

B

SINGLE STAGE
HEAT PUMP

O

R

T

NON-V.S. ONE 
OR TWO  STAGE
GAS FURNACE

B

C

X2

O D Temp

OT1

O D Temp

OT2

O D 
Sensor

Note C

 - For Dual Fuel, cut the  JP1 jumper on the Comfort Control.

NOTE:  See Fig. OIL-1 for external relay connections for oil furnaces.

Figure DF-5

P2

JP1

Cut for 
Dual Fuel 
Applications

JP 1 Location

Summary of Contents for ACONT402AN32DA

Page 1: ...ER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies a hazard which could result in personal injury or death CAUTION is used to identify unsafe practices which could result in minor personal injury or product and property damage Note Read the entire instruction manu...

Page 2: ...se non hardening caulk putty or insulation 3 Avoid locations such as near dryer vents or placing the sensor close to or directly above the outdoor unit where it would be exposed to hot discharge air from the condenser fan 4 Maximum length of field wiring cable to sensor is 200 feet 5 Minimum wire gauge is 18AWG Mounting and Wiring 1 Turn OFF all power to heating and cooling equipment 2 If an exist...

Page 3: ...on display See Figure 6 Enter USER Setup See Table 3A steps 50 62 for option details Press and hold Mode and Fan at the same time Note Allow a minimum of 5 seconds after saving selections Step 99 SA for the control to write selections to memory If power is lost or removed prior to the 5 second elapsed time the selections may be lost and must be reentered If the SERVICE icon is flashing on the cont...

Page 4: ...OFF Table 2 T deg F RESISTANCE OHMS X 1000 10K THERMISTOR T deg F RESISTANCE OHMS X 1000 10K THERMISTOR T deg F RESISTANCE OHMS X 1000 10K THERMISTOR 15 138 9 35 30 0 80 9 3 10 117 7 40 26 1 85 8 3 5 99 9 45 22 7 90 7 3 0 85 1 50 19 9 95 6 5 5 72 7 55 17 4 100 5 8 10 62 3 60 15 3 105 5 2 15 53 5 65 13 5 110 4 7 20 46 1 70 11 9 115 4 2 25 39 8 75 10 5 120 3 8 30 34 5 Figure 8 2 Set Fan to AUTO 3 Pr...

Page 5: ...Temp OT2 O D Sensor Note C For Dual Fuel cut the JP1 jumper on the Comfort Control NOTE See Fig OIL 1 for external relay connections for oil furnaces R G Y Y1 W1 B 24VAC HOT 24VAC common COMFORT CONTROL DUAL FUEL ONE OR TWO STAGE OR TWO STEP HEAT PUMP TWO STAGE VS GAS FURNACE BK ENABLED FAN SOV COOL HEAT 1st STAGE HEATING 3rd STAGE HEATING 4th STAGE W2 O R G W2 Y1 YLO Y1 B ONE OR TWO STAGE OR TWO ...

Page 6: ...AT 1st STAGE HEATING 2nd STAGE HEATING 3rd STAGE W2 O W3 Y2 BK R G W W1 W2 Y Y B SINGLE STAGE HEAT PUMP O R T NON V S ONE OR TWO STAGE GAS FURNACE B C X2 O D Temp OT1 O D Temp OT2 O D Sensor Note C For Dual Fuel cut the JP1 jumper on the Comfort Control NOTE See Fig OIL 1 for external relay connections for oil furnaces Figure DF 5 P2 JP1 Cut for Dual Fuel Applications JP 1 Location ...

Page 7: ...IL VARIABLE SPEED AIR HANDLER BK ENABLED FAN SOV COOL HEAT 1st STAGE HEATING 3rd STAGE HEATING 4th STAGE W2 O R G W1 W2 Y1 YLO Y B TWO SEPARATE HEAT PUMPS VS AIR HANDLER ELECTRIC HEAT W3 HEATING 5th STAGE Y2 COOL HEAT 2nd STAGE BK VS MODE fan Y Y2 Y BK B SECOND STAGE FIRST STAGE X2 O O X2 A B 9 6 3 7 4 R R B O D Temp OT1 O D Temp OT2 O D Sensor T T W3 O Note B Cut remove the factory installed BK j...

Page 8: ...E BK Y Y2 Y1 BK W3 O O R O D Temp OT1 O D Temp OT2 O D Sensor T X2 Note A The installer must jumper R to O at the LVTB Note B Cut remove the factory installed BK jumper at the indoor unit R G Y Y1 W1 B 24VAC HOT 24VAC common COMFORT CONTROL SINGLE STAGE HEAT PUMP VARIABLE SPEED AIR HANDLER BK DISABLED FAN SOV COOL HEAT 1st STAGE HEATING 2nd STAGE HEATING 3rd STAGE W2 O R G W1 W2 Y1 YLO B SINGLE ST...

Page 9: ... W1 B 24VAC HOT 24VAC common COMFORT CONTROL TWO STEP COOLING VARIABLE SPEED INDOOR BK DISABLED FAN COOLING 1st HEATING 1st HEATING 2nd W2 O R G W1 W2 Y1 YLO B TWO STEP AIR CONDITIONER TWO STAGE VS GAS FURNACE or VS AIR HANDLER ELECTRIC HEAT B C W3 HEATING 3rd Y2 COOLING 2nd BK Y Y2 Y1 BK O Y2 W3 Note A The installer must jumper R to O at the LVTB Note B Cut remove the factory installed BK jumper ...

Page 10: ...ections for oil furnaces NOTE Two additional wires are required for Outdoor Temperature Sensor Figure CL 5 Figure CL 7 Figure CL 6 Figure OIL 1 R G Y Y1 W1 B 24VAC HOT 24VAC common COMFORT CONTROL SINGLE STAGE COOLING SINGLE STAGE OIL FURNACE BK DISABLED FAN COOLING HEATING W2 O R G W W2 Y Y B SINGLE STAGE AIR CONDITIONER SINGLE STAGE OIL FURNACE B C W3 Y2 BK W3 R1 R1 NOTE Two additional wires are...

Page 11: ...ancel CL Clears History and Service Data only CS Clears Setups FD Factory Default 99 Exit Table 3 INSTALLER SETUP ISU see notes at the bottom of setup ISU Table 3A 1 Set System MODE to OFF 2 Set FAN to AUTO 3 Press and hold MODE and Up arrow at the same time Menu Item Factory Setting Setting Choices Press UP or DOWN arrow Step Press Mode Fan Error Count 0 None 1 Software Version None 2 Configurati...

Page 12: ...ages 0 None Steps 28 33 38 39 43 44 46 49 not available Step 9 Heater Stages 1 Single Stage Steps 30 33 48 49 not available Step 9 Heater Stages 2 Two Stage Steps 32 33 49 not available Step 10 Outdoor Sensor 0 None Steps 40 49 60 not available Step 10 Outdoor Sensor 1 Display Only Steps 41 49 not available Step 11 BK Output 0 BK Disabled Steps 12 15 40 not available Step 11 BK Output 1 BK Enabled...

Page 13: ...es Oversized heating or cooling equipment Control cannot respond fast enough to prevent overshooting Set Control Response rate to Fast ISU Step 34 Heating will not come on 1 System Mode not set to Heat 2 Minimum off time delay being enforced 3 Loose connection to control or system 4 Heating system requires service or control requires replacement 1 Set Mode to heat and raise the setpoint above room...

Page 14: ...rrides ISU Step 45 when enabled Cooling Efficiency Booster Single Stage Compressor Only BK Enabled The indoor air flow is reduced to 80 at outdoor temperatures below 87 F in cooling mode The outdoor temperature sensor must be installed and enabled in ISU Step 10 Control Response Rate A set of higher gain Proportion Integral control constants can be chosen to increase the responsiveness of the temp...

Page 15: ...the system Minimum off time delays will be enforced on the next cycle Wait Indicator Waiting will illuminate when the indoor setpoint is moved in the direction of calling for additional system capacity Waiting indicates system time delays are being enforced and that the control is adjusting to the new settings Calibrate Indoor Temperature This option allows calibration of the room temperature sens...

Page 16: ...ransition from furnace operation to heat pump operation there is a minimum comfort control time delay of 45 seconds between the furnace turning off and the heat pump turning on RESTRICTED MODE Requires Outdoor Temperature Sensor The Heat Pump Restricted Mode Outdoor Temperature changeover point ISU Step 43 must be set at or above the application or economic balance point of the system At any tempe...

Page 17: ...Pub No 11 HD03D3 3 17 Installer s Guide ...

Page 18: ...y of continuous product and product data improvement it reserves the right to change design and specifications without notice AmericanStandardInc 6200TroupHighway Tyler TX75707 For more information contact your local dealer distributor ...

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