Bryant operation manual Base Unit Dimensions, 551A240

Page 5

5

UNIT

STD UNIT

ECONOMI$ER

CORNER

CORNER

CORNER

CORNER

DIM A

DIM B

DIM C

WEIGHT

WEIGHT

 

A

 

B

 

C

 

D

551A

 

 

 

 

 

 

 

 

 

 

Lb

Kg

Lb

Kg

Lb

 

Kg

Lb

 

Kg

Lb

 

Kg

Lb

 

Kg

ft-in.

mm

ft-in.

mm

ft-in.

mm

 

 

 

 

 

240

1750

794

80

36.3

420

 

191

395

 

179

448

 

203

486

 

221

3-3

988

3-5

1054

1-8

508

NOTES:

1.Refer to print for roof curb accessory dimensions.

2.Dimensions in ( ) are in millimeters.

3. Center of Gravity.

4. Direction of airflow.

5.Ductwork to be attached to accessory roof curb only.

6.Minimum clearance:

Rear: 7-0(2134) for coil removal. This dimension can be reduced to 4-0(1219) if conditions permit coil removal from the top.

Left side: 4-0(1219) for proper condenser coil airflow.

Front: 4-0(1219) for control box access.

Right side: 4-0(1219) for proper operation of damper and power exhaust if so equipped.

Top: 6-0(1829) to assure proper condenser fan operation.

Local codes or jurisdiction may prevail.

7.With the exception of clearance for the condenser coil and the damper/ power exhaust as stated in Note #6, a removable fence or barricade requires no clearance.

8.Dimensions are from outside of corner post. Allow 0-5/16(8) on each side for top cover drip edge.

9.See drawing 50TJ500352 for service option details.

10.A 90 degree elbow must be installed on the supply ductwork below the unit discharge for units equipped with electric heaters.

Fig. 5 — Base Unit Dimensions, 551A240

Image 5
Contents Safety Considerations ContentsInstallation Provide Unit Support II. RIG and Place UnitRoof Curb Details Ft-in 155 Unit Maximum Dimensions Shipping Weight180 240551A Unit STD Unit ECONOMI$ER Corner DIM a DIM B DIM C WeightFt-in 155 1575 714 36.3 407 185 375 170 383 174 410 1039 1054 559 180 1650 748 36.3 375 170 449 204 452Base Unit Dimensions, 551A240 155 180 240 Physical DataIV. Make Unit Duct Connections III. Field Fabricate DuctworkTrap Condensate Drain 551A180 and 240 Shown 551A155 ShownNEC Field Control WiringUnit Voltage FLA LRA MCA MOCP† Electrical DataUnit Electric Resistance Heater DataHeater Maximum Minimum Heater Amps PEROptional Non-Fused Disconnect VII. Make OUTDOOR-AIR Inlet AdjustmentsOptional Convenience Outlet Manual Outdoor-Air DamperVIII. Install OUTDOOR-AIR Hood Heat Anticipator SettingsOutdoor Air Enthalpy Sensor Installation Unit StageDischarge Air Thermistor DAT CO2 Control SetupEconoMi$er Switchover Control Strategy Dry Bulb Changeover Set UpDefault Potentiometer Settings Mechanical Cooling LockoutMotormaster I Control Installation 551A155 and 180 Only Ventilation Air Minimum Position Set UpIX. Install ALL Accessories Wind Baffle Details Motormaster III Control Installation 551A240 OnlyLPS LlsvInternal Wiring III. Refrigerant Service PortsXI. Accessory ECONOMI$ER Adjustment START-UPUnits With Perfect Humidity Dehumidification Package Freeze Protection ThermostatsFan Performance 551A155 With Standard Indoor Fan Motor Watts Bhp Rpm 3750 Cfm Rpm Watts BhpWatts Bhp 4800 551A180 15 Tons5100 5700Watts Bhp Rpm 551A240 20 TonsBhp Rpm Watts 000 500Drop Accessory/FIOP Static Pressure in. wgEvaporator Fan Motor Specifications Fan RPM at Motor Pulley SettingsII. Lubrication Service CleaningIV. Evaporator FAN Service and Replacement Belt Tension Adjustment Evaporator-Fan Pulley Alignment AdjustmentVII. ECONOMI$ER Adjustment VI. CONDENSER-FAN AdjustmentIX. Refrigerant Charge VIII. Power FailureFilter Drier XI. Protective DevicesXVI. Optional Hinged Access Doors XIV. Replacement PartsXII. Relief Devices XIII. Control CircuitTypical Wiring Schematic 551A180, 460v Shown Typical Component Arrangement 551A180 Shown Problem Cause Remedy TroubleshootingCooling Service Analysis Problem Potential Cause Remedy EconoMi$er TroubleshootingPage General TemperaturesElectrical
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