Bryant 581A - Manuals - manualsarea.com

Page 4 - SHIPPING RAILS; Fig. 2 — Shipping Rail Removal; UNIT SIZE

— 4 — SHIPPING RAILS Fig. 2 — Shipping Rail Removal Fig. 3 — Rigging Details UNIT SIZE 581A MAX WEIGHT (lb) CENTER OF GRAVITY (in.) X Y Z 210 3358 63.9 34.0 30.5 240 3380 63.9 34.5 30.5 300 3769 67.8 35.0 35.0

Page 6 - Table 1 — Physical Data

— 6 — Table 1 — Physical Data LEGEND *Aluminum evaporator coil and aluminum condenser coil. UNIT 581A 210 240 300 NOMINAL CAPACITY (tons) 18 20 25 OPERATING WEIGHT (lb) Al/Al* 2224 2272 2526 COMPRESSOR Quantity 3 3 2 Number of Refrigerant Circuits 3 3 2 Oil (ounces) Ckt A...Ckt B...Ckt C 68...68...9...

Page 7 - Table 2 — Fan Motor and Drive Data — Vertical Supply/Return

— 7 — Table 2 — Fan Motor and Drive Data — Vertical Supply/Return LEGEND 581A 210 240 300 208/230 and 460 v 575 v 208/230 and 460 v 575 v 208/230 and 460 v 575 v LOW RANGE Motor Hp 3.7 3 5 5 7.5 7.5 Motor Nominal Rpm 1725 1725 1745 1745 1745 1745 Maximum Continuous Bhp 4.25 3.45 5.75 5.75 8.63 8.63 ...

Page 8 - Table 3 — Fan Motor and Drive Data — Horizontal Supply/Return

— 8 — Table 3 — Fan Motor and Drive Data — Horizontal Supply/Return LEGEND 581A 210 240 300 208/230 and 460 v 575 v 208/230 and 460 v 575 v 208/230 and 460 v 575 v LOW RANGE Motor Hp 3.7 3 5 5 7.5 7.5 Motor Nominal Rpm 1725 1725 1745 1745 1745 1745 Maximum Continuous Bhp 4.25 3.45 5.75 5.75 8.63 8.6...

Page 9 - For vertical supply and return units,; Do not drill in this area damage to basepan may result in water

— 9 — IV. STEP 4 — FIELD FABRICATE DUCTWORK On vertical units, secure all ducts to roof curb and buildingstructure. Do not connect ductwork to unit. For horizontalapplications, field-supplied flanges should be attached tohorizontal discharge openings and all ductwork secured tothe flanges. Insulate ...

Page 10 - are obtained from field-supplied

— 10 — VI. STEP 6 — INSTALL FLUE HOOD AND INLET HOOD Flue hood (smaller hood), inlet hood (larger hood), andscreens are shipped inside the unit in the fan section. Toinstall, remove the heat panel. The flue hood is attached tothe heat section panel from the outside using the screws pro-vided. See Fi...

Page 11 - Trap should be deep enough to offset maximum unit static dif-

— 11 — IMPORTANT: Natural gas pressure at unit gas connection must not be less than 5.5 in. wg or greater than 13.0 in. wg. Size gas-supply piping for 0.5-in. wg maximum pressuredrop. Do not use supply pipe smaller than unit gasconnection. IX. STEP 9 — MAKE ELECTRICAL CONNECTIONS A. Field Power Supp...

Page 12 - A. Manual Damper Assembly; Fig. 15 — Field Power Wiring Connections; Equipment; Fig. 16 — Field Control Thermostat Wiring

— 12 — Set heat anticipator settings as follows: Settings may be changed slightly to provide a greater degreeof comfort for a particular installation. X. STEP 10 — INSTALL OUTDOOR-AIR HOOD Perform the following procedure to install the outdoor-airhood on units equipped with an economizer, two-positi...

Page 13 - Table 4A — Electrical Data — Units Without Convenience Outlet

— 13 — Table 4A — Electrical Data — Units Without Convenience Outlet LEGEND *Fuse or HACR circuit breaker. NOTES: 1. In compliance with NEC requirements for multimotor and combination load equip- ment (refer to NEC Articles 430 and 440), the overcurrent protective device for theunit shall be fuse or...

Page 14 - Table 4B — Electrical Data — Units With Optional Convenience Outlet

— 14 — Table 4B — Electrical Data — Units With Optional Convenience Outlet LEGEND *Fuse or HACR circuit breaker. NOTES: 1. In compliance with NEC requirements for multimotor and combination load equip- ment (refer to NEC Articles 430 and 440), the overcurrent protective device for theunit shall be f...

Page 15 - FILTER; Units with manual damper only use one filter.; Fig. 20 — Manual Damper Details

— 15 — TOP HOODSECTION SEALSTRIPLOCATION BOTTOMHOODSECTION FILTERGUIDE FILTERGUIDE HOODSIDE ADDSEALSTRIP ADDSEALSTRIP HOODSIDE INNERFILTERTRACK ADDSEALSTRIP ADDSEALSTRIP UNITBACKPANEL FILTERRETAINER FILTER MANUALDAMPER(IF EQUIPPED) NOTE: Units with manual damper only use one filter. Fig. 18 — Outdoo...

Page 18 - VIII. CONDENSER FANS AND MOTORS; All other rpms require field-supplied drive.; Refer to page 23 for general Fan Performance Data notes.; Maximum continuous bhp is:

— 18 — VIII. CONDENSER FANS AND MOTORS Condenser fans and motors are factory set. Refer toCondenser-Fan Adjustment section (page 39) as required. IX. RETURN-AIR FILTERS Check that correct filters are installed in filter tracks (seeTable 1). Do not operate unit without return-air filters. NOTE: For u...

Page 23 - Refer to this page for general Fan Performance Data notes.; GENERAL NOTES FOR TABLES 5-22; Use of a field-supplied motor may affect wire size. Contact the; Brake Horsepower Input to Fan

— 23 — Table 13 — Fan Performance — 581A300 High Heat Vertical Discharge Units* LEGEND *Motor drive ranges: Low Range: 941-1176High Range: 1014-1297 All other rpms require field-supplied drive. Refer to this page for general Fan Performance Data notes. NOTE: Maximum continuous bhp is: Low Range: 8.6...

Page 28 - Table 23 — Power Exhaust Fan Performance

— 28 — Table 22 — Fan Performance — 581A300 High Heat Horizontal Discharge Units* LEGEND *Motor drive ranges: Low Range: 941-1176High Range: 1014-1297 All other rpms require field-supplied drive. Refer to page 23 for general Fan Performance Data notes. NOTE: Maximum continuous bhp is: Low Range: 8.6...

Page 30 - Table 27 — Fan Rpm at Motor Pulley Settings*; Outdoor Air Lockout Sensor; B. EconoMi$er IV Controller Wiring and Operational Modes; Outdoor Dry Bulb Changeover; Factory-Installed Option

— 30 — Table 26 — Accessory/FIOP Static Pressure (in. wg)* LEGEND *The static pressure must be added to the external static pressure. The sum and the evaporator entering-air cfm should then be used in conjunction with the Fan Performance tables to determine blower rpm and watts. Table 27 — Fan Rpm a...

Page 31 - Table 28 — EconoMi$er IV Sensor Usage; WIRE TIES; Fig. 24 — Supply-Air Temperature Sensor Location; Fig. 25 — Outdoor-Air Temperature Changeover

— 31 — Table 28 — EconoMi$er IV Sensor Usage *CRENTDIF004A00 and CRTEMPSN002A00 accessories are used on many different base units. As such, these kits may contain parts that will not be needed for installation. †CGCDXSEN004A00 is an accessory CO 2 sensor. **CGCDXASP001A00 is an accessory aspirator b...

Page 33 - APPROXIMATE DRY BULB TEMPERATURE— °F (°C); RANGE CONFIGURA; Fig. 27 — Enthalpy Changeover Set Points

— 33 — CONTROL CURVE ABCD CONTROL POINT APPROX. °F (°C) AT 50% RH 73 (23)70 (21)67 (19)63 (17) 12 14 1 6 18 20 2 2 24 26 28 30 32 34 36 38 40 42 44 46 90 10 0 80 70 60 50 40 30 20 10 ENT HA LP Y— BTU P ER PO UN D DR Y A IR 85 (29) 90 (32) 95 (35) 100 (38) 105 (41) 110 (43) 35 (2) 35 (2) 40 (4) 40 (4...

Page 37 - NOTE

— 37 — Remove Surface Loaded Fibers Surface loaded fibers or dirt should be removed with a vac-uum cleaner. If a vacuum cleaner is not available, a soft non-metallic bristle brush may be used. In either case, the toolshould be applied in the direction of the fins. Coil surfacescan be easily damaged ...

Page 38 - Multifak 2; DO NOT SLIDE FAN DECK OUT; Integrated Gas Controller

— 38 — F. Flue Gas Passageways The flue collector box and heat exchanger cells may beinspected by removing heat section access panel (Fig. 4), fluebox cover, and main burner assembly (Fig. 30). Refer to MainBurners section on page 41 for burner removal sequence. Ifcleaning is required, clean tubes w...

Page 39 - LEGEND; Fig. 32 — Evaporator-Fan Motor Adjustment

— 39 — IV. EVAPORATOR FAN PERFORMANCE ADJUSTMENT(Fig. 32 and 33) Fan motor pulleys are factory set for speed shown in Table 1. To change fan speeds: 1. Shut off unit power supply. 2. Loosen nuts on the 4 carriage bolts in the mounting base. Using adjusting bolts and plate, slide motor andremove belt...

Page 40 - Thermostatic Expansion Valve

— 40 — VII. POWER FAILURE Dampers have a spring return. In event of power failure,dampers will return to fully closed position until power isrestored. Do not manually operate damper motor. VIII. REFRIGERANT CHARGE Amount of refrigerant charge is listed on unit nameplate andin Table 1. Refer to GTAC ...

Page 42 - SEE DETAIL “C”; Fig. 39 — Spark Gap Adjustment

— 42 — B. High-Pressure and Low-Pressure Switches If either switch trips, or if the compressor overtemperatureswitch activates, that refrigerant circuit will be automati-cally locked out by the CLO. To reset, manually move thethermostat setting. C. Freeze Protection Thermostat (FPT) An FPT is locate...

Page 44 - Fig. 40 — Low Voltage Control Schematic

Page 45 - Fig. 41 — Power Schematic

Page 48 - Table 35 — Heating Service Analysis; Table 36 — IGC Board LED Alarm Codes

— 48 — Table 35 — Heating Service Analysis Table 36 — IGC Board LED Alarm Codes LEGEND NOTES: 1. There is a 3-second pause between alarm code displays.2. If more than one alarm code exists, all applicable alarm codes will be displayed in numerical sequence. 3. Alarm codes on the IGC will be lost if ...

Page 49 - Thermostat Fan Switch in the; IDM —; Integrated Gas Unit Controller

— 49 — Fig. 43 — IGC Control (Heating and Cooling) LEGEND NOTE: Thermostat Fan Switch in the “AUTO” position. IDM — Induced-Draft Motor IGC — Integrated Gas Unit Controller

Page 56 - ELECTRICAL

Copyright 2005 Bryant Heating & Cooling Systems CL-1 Printed in U.S.A. CATALOG NO. 04-53581005-01 CUT A L O N G DO TTE D LI NE C U T A L ONG DO TT ED L INE START-UP CHECKLIST MODEL NO.: ___________________________________________ SERIAL NO.: ______________________________________________ DATE: _...