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American Standard ACONT900AC43UA, Installer'S Manual

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American Standard ACONT900AC43UA Installer'S Manual Download Page 4

ACONT900AC43UA

Pub. No. 11-HD04D1-2

69-2080—05

4

Fig. 2. Field Wiring Diagram, Communicating Indoor Unit - Communicating Outdoor Unit

Fig. 3. Field Wiring Diagram, Communicating Indoor Unit - Single Stage Cooling Unit

B

BK

Y2

Y1

O

R

D

W1

W3

G

W2

B

D

B

R

D

X2

Y2

Y1

O

COMFORT
CONTROL

24VAC HOT

24VAC

Common

DATA

INDOOR
UNIT

OUTDOOR
UNIT

COM.

COM.

COM.

LOW VOLTAGE WIRING TO BE NO. 18
AWG MINIMUM CONDUCTOR.

B

BK

Y2

Y1

O

R

D

W1

W3

G

W2

B

B

R

D

Y

COMFORT
CONTROL

24VAC HOT

24VAC

Common

DATA

INDOOR
UNIT

SINGLE

STAGE AIR
CONDITIONER

COM.

COM.

LOW VOLTAGE WIRING TO BE NO. 18
AWG MINIMUM CONDUCTOR.

Summary of Contents for ACONT900AC43UA

Page 1: ...al fuel systems via digital 2 way communications The Comfort Control will communicate with and identify all AccuLinkTM components in the system It is easily manually configured via the user friendly I...

Page 2: ...150 F 34 4 C 65 6 C 5 90 RH non condensing Operating Temperature Range 0 F 120 F 17 8 C 37 2 C 5 90 RH non condensing System Mode Heat Cool Auto Emergency Heat and Off Fan Mode On Auto and Circ Coolin...

Page 3: ...Control from the subbase to expose mounting holes 4 Position and level the sub base wallplate for appearance only The Comfort Control functions properly even when not level 5 Use a pencil to mark the...

Page 4: ...Stage Cooling Unit B BK Y2 Y1 O R D W1 W3 G W2 B D B R D X2 Y2 Y1 O COMFORT CONTROL 24VAC HOT 24VAC Common DATA INDOOR UNIT OUTDOOR UNIT COM COM COM LOW VOLTAGE WIRING TO BE NO 18 AWG MINIMUM CONDUCT...

Page 5: ...received during Discovery mode NOTE While in Discovery mode the LED indicator located in the upper right corner of the Comfort Control will be illuminated NOTE All discovered values will be saved int...

Page 6: ...See Figure 5 Fig 5 Clock Activation NOTE If the system is not powered the Real Time Clock battery life is approximately 20 weeks The Comfort Control is designed to automatically keep the current time...

Page 7: ...y to exit the Installer Setup screen NOTE Manually changing an ISU setting to an option other than E disables Discovery mode for that ISU setting If power is lost all custom settings are retained in t...

Page 8: ...minimum of 1H or 1C is required Fan Operation 0180 E E 0 1 E Auto Discover 0 Equipment controls fan operation in heat mode fossil 1 Comfort Control controls fan operation in heat mode electric Only se...

Page 9: ...ight comes on with a key press 1 Backlit is on continuously Comfort Control backlight will come on full brightness with a key press and display will dim 45 seconds after the last keypress Changeover 0...

Page 10: ...0 F 6 5 C 25 25 F 4 0 C 30 30 F 1 0 C 35 35 F 1 5 C 40 40 F 4 5 C 45 45 F 7 0 C 50 50 F 10 0 C 55 55 F 13 0 C 60 60 F 15 5 C System will switch to gas furnace to satisfy call for heat if the highest c...

Page 11: ...alled For future use Leave at factory default setting E Indoor Humidity Sensor 0370 1 0 1 2 0 Disabled 1 Internal sensor 2 Remote sensor Indoor Humidification Control 0372 E 0 E 0 1 2 E Auto Discover...

Page 12: ...ous days 12 120 continuous days 13 180 continuous days 14 365 continuous days When set to Auto Discover and the discovered value is not 0 disabled the Comfort Control will display the filter timer val...

Page 13: ...rnal timer simply press the More key to access the filter timer value and then press the Reset key Humidifier Pad Replacement Reminder 0510 E 0 E 0 3 E Auto Discover 0 Disabled 1 90 continuous days 30...

Page 14: ...e V S only 5 5 seconds 10 10 seconds 20 20 seconds 30 30 seconds For Variable Speed indoor units choices are 0 and 1 For Non variable Speed indoor units choices are 0 5 10 20 and 30 Compressor Cool Fa...

Page 15: ...on Circ Circulation control will provide a variable circulation determined by the Adaptive Intelligent Circulation AIC algorithm running the fan between 20 and 60 of the time Temperature Control in Co...

Page 16: ...2D2 1 69 2009 for a listing of all equipment Alert codes Equipment Damage Hazard Minimum compressor off time is bypassed during Installer System Test Avoid cycling compressor quickly Observe compresso...

Page 17: ...e Heating setpoint is changed to a warmer temperature NOTE The deadband is restricted to a range of 5 to 9 if ISU 0380 is set to Integrated Temperature and Humidity Control ITHC Backlit Display When c...

Page 18: ...will be displayed when the setpoint is changed in the direction of calling for additional system capacity or the outdoor unit is in Charge AssistTM mode Wait indicates system time delays are being enf...

Page 19: ...isable any blower off delays and disable continuous fan mode when the indoor humidity is above the dehumidification setpoint This will help prevent coil condensation from being evaporated back into th...

Page 20: ...e the Comfort Control by 1 Choose Heat Pump Application in Installer Setup Number 0172 2 Choose Fossil Fuel Option as the backup heat source in Installer Setup Number 0200 3 Outdoor Temperature Sensor...

Page 21: ...610 are 60 F 99 F 15 5 C 32 2 C 2 Unlock keypad ISU 0670 Room temperature overshoots when the Heat Cool setting is changed more than 2 degrees 1 Oversized heating cooling equipment under current condi...

Page 22: ...rates ISU 0220 0230 Heating cycle too fast or too slow narrow or wide temperature swing The location of the control and or the size of the heating system may be influencing the cycle rate Verify adju...

Page 23: ...ACONT900AC43UA Pub No 11 HD04D1 2 23 69 2080 05...

Page 24: ...American Standard Heating Air Conditioning Troup Highway Tyler TX 75711 9010 Pub No 11 HD04D1 2 69 2080 05 M S Rev 11 08 U S Registered Trademark 2008 American Standard Heating Air Conditioning All R...

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