Manuals / Bryant / Household Appliance / Air Conditioner

Bryant operation manual Base Unit Dimensions, 551A240

Models: 551A

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Fig. 5 — Base Unit Dimensions, 551A240

—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

Bryant operation manual Base Unit Dimensions, 551A240

Contents

— Install Outdoor-AirHood CONTENTS— Install All Accessories X. Step 10 — Install Humidistat for OptionalFig. 1 — Roof Curb Details Fig. 3 — Rigging Details Adapter Roof CurbFig. 4 — Base Unit Dimensions, 551A155 and Fig. 5 — Base Unit Dimensions, 551A240 Table 1 — Physical Data IV. STEP 4 — MAKE UNIT DUCT CONNECTIONS III. STEP 3 — FIELD FABRICATE DUCTWORKV. STEP 5 — TRAP CONDENSATE DRAIN Fig. 6 — Air Distribution — Thru-the-BottomFig. 11 — Field Power Wiring Connections B. Field Control WiringFig. 12 — Field Control Thermostat Wiring Fig. 10 — Condensate Drain Piping DetailsTable 2 — Electrical Data Table 3 — Electric Resistance Heater Data —10—VII. STEP 7 — MAKE OUTDOOR-AIRINLET ADJUSTMENTS Fig. 13 — Optional Non-FusedDisconnect WiringFig. 15 — EconoMi$er Damper Assembly — End View —11—Adjustment Potentiometers Table 4 — Heat Anticipator SettingsVIII. STEP 8 — INSTALL OUTDOOR-AIRHOOD A.Outdoor Air Enthalpy Sensor Installation—13— E. CO2 Control SetupFig. 19 — Seal Strip Location Air Hood Cross-SectionalViewTable 5 — EconoMi$er Switchover Control Strategy G. Dry Bulb Changeover Set UpTable 7 — Default Potentiometer Settings Fig. 23 — Typical EconoMi$er WiringIX. STEP 9 — INSTALL ALL ACCESSORIES H. Ventilation Air Minimum Position Set UpFig. 24 — Typical EconoMi$er Sensor Wiring —15—Fig. 25 — Wind Baffle Details —16——17— Humidistat Wiring Schematic 460V Unit ShownPackage Control Box Fig. 26 — Motormaster I and MotormasterV. INTERNAL WIRING III. REFRIGERANT SERVICE PORTSXI. ACCESSORY ECONOMI$ER ADJUSTMENT —18—D. Freeze Protection Thermostats —19——20— —21— —22— Table 11 — Fan Performance — 551A180—23— Table 12 — Fan Performance — 551A240—24— Table 13 — Accessory/FIOP Static Pressure in. wgFig. 29 — Perfect Humidity Operation Diagram Table 16 — Evaporator Fan Motor Specifications Table 15 — Fan RPM at Motor Pulley Settings—25— Table 14 — Perfect Humidity DehumidificationI. CLEANING SERVICEIII.EVAPORATOR FAN PERFORMANCE ADJUSTMENT Fig. IV. EVAPORATOR FAN SERVICE AND REPLACEMENTMotor Section V. BELT TENSION ADJUSTMENT and Adjustment—27— Fig. 30 — Evaporator-FanPulley AlignmentFig. 33 — Condenser-FanAdjustment 551A155,180 VI. CONDENSER-FANADJUSTMENTFig. 34 — Condenser-FanAdjustment 551A240 VII. ECONOMI$ER ADJUSTMENT A. LED IndicationC. To Use The Cooling Charging Chart VIII. POWER FAILUREFig. 35 — Cooling Charging Chart D. High- and Low-PressureSwitchesXVI. OPTIONAL HINGED ACCESS DOORS XIV. REPLACEMENT PARTS—30— E. Freeze Protection Thermostat FPT—31— —32— —33— TROUBLESHOOTINGTable 18 — Cooling Service Analysis Table 19 — EconoMi$er Troubleshooting Page I. PRE-START-UP TEMPERATURESII. START-UP ELECTRICAL