Page 2 - All panels must be in place when rig-; B. Alternate Unit Support; UNIT LEVELING TOLERANCES
INSTALLATION I. PROVIDE UNIT SUPPORT CAUTION: All panels must be in place when rig- ging. Unit is not designed for handling by fork truck. A. Roof Curb Assemble and install accessory roof curb in accordance withinstructions shipped with the curb. Accessory roof curb andinformation required to field ...
Page 3 - Do not locate adjacent units with flue discharge
UNIT SIZE 580G OPERATING WEIGHT A B CORNER WEIGHT (lb) lb ft-in. ft-in. 1 2 3 4 240 350 4176 6- 0 3 ⁄ 8 3-6 3 ⁄ 8 879 954 1220 1124 240 525 4256 6- 1 5 ⁄ 16 3-6 11 ⁄ 16 917 973 1218 1148 300 350 4262 5- 9 5 ⁄ 8 3-8 899 899 1232 1232 300 525 4342 5-10 1 ⁄ 8 3-8 5 ⁄ 16 929 916 1240 1257 324 350 4262 5...
Page 4 - Do not locate adjacent units with flue discharge facing
UNIT SIZE 580H OPERATING WEIGHT A B CORNER WEIGHT (lb) lb ft-in. ft-in. 1 2 3 4 240 350 4176 6- 0 3 ⁄ 8 3-6 3 ⁄ 8 879 954 1220 1124 240 525 4256 6- 1 5 ⁄ 16 3-6 11 ⁄ 16 917 973 1218 1148 300 350 4262 5- 9 5 ⁄ 8 3-8 899 899 1232 1232 300 525 4342 5-10 1 ⁄ 8 3-8 5 ⁄ 16 929 916 1240 1257 324 525 4262 5...
Page 6 - Table 1 — Specifications
Table 1 — Specifications UNIT 580G,H 240 300 324 360 NOMINAL CAPACITY (tons) 20 25 27 30 OPERATING WEIGHT (lb) Unit Al/Al* (Lo Heat/Hi Heat) 4176/4256 4262/4342 4262/4342 4262/4342 Al/Cu* (Lo Heat/Hi Heat) 4396/4476 4482/4562 4482/4562 4482/4562 Roof Curb (14-in. curb) 365 365 365 365 COMPRESSOR Typ...
Page 7 - Table 2 — Evaporator Fan Motor Data; Check building codes for weight distribution requirements.; III. FIELD FABRICATE DUCTWORK; For vertical supply and return units, tools; IV. UNIT DUCT CONNECTIONS
Table 2 — Evaporator Fan Motor Data UNIT SIZE 580G,H MOTOR HP MOTOR SHAFT DIA. (in.) FAN SHAFTSPEED (rpm) MOTOR SHEAVE MOTOR SHEAVE PITCH DIAMETER (in.) BUSHING DIAMETER (in.) FAN SHEAVE FAN SHEAVE PITCH DIAMETER (in.) BUSHING DIAMETER (in.) BELT (QUANTITY) OUTSIDE BELT LENGTH BELT TENSION (lb at .2...
Page 10 - Fig. 11 — Control Board Diagram
LEGEND COM — Common R — Relay D — Diode SIO — Serial Input/Output LED — Light-Emitting Diode SW — Switch N.C. — Normally Closed T — Terminal N.O. — Normally Open *Where X is the unit control software version number (1 or 2). Fig. 11 — Control Board Diagram —10—
Page 14 - Fig. 15 — Field Control Thermostat Wiring; Fig. 16 — Adding Seal Strip to Top of Hood Sides
IX. OUTDOOR-AIR INLET ASSEMBLY A. Economizer NOTE: If accessory power exhaust or barometric relief pack- ages are being added to the unit, install power exhaust orbarometric relief before installing economizer hoods. Economizer Hood Assembly The economizer hood is shipped in a package secured to the...
Page 16 - Fig. 25 — Attaching Seal Strip to Filter Cover
4. Remove screws along bottom of damper assembly. Lo- cate and mount blockoff baffle using these screws. 5. Assemble 2 filter tracks side-by-side with the as- sembled ends together. 6. a. Attach mounting angle (without tabs) to the as- sembled end of the filter track. See Fig. 23. b. Attach 6 green ...
Page 17 - Fig. 26 — Enthalpy Control and Sensor; ENTHALPY CONTROL; Fig. 27 — Wire Connections for Solid-State; RH — Relative Humidity; Fig. 28 — Psychrometric Chart for Enthalpy Control
3. Mount the outdoor air enthalpy sensor inside the right economizer hood on the right side panel of the hood,adjacent to the outdoor-air thermistor. 4. Locate the red, violet, and brown wires near the out- door air thermistor. Remove the splice from the red andviolet wires. Remove the cap from the ...
Page 19 - III Control Installation; Fig. 31 — Motormaster III Baffle Details
XI. ACCESSORIES After all the factory-installed options have been adjusted, in-stall all field-installed accessories. Refer to the accessory in-stallation instructions included with each accessory. A. Motormaster T III Control Installation Install Field-Fabricated Wind Baffles Wind baffles must be f...
Page 20 - Fig. 32 — Low Ambient Kit Sensor Location
PRE-START-UP WARNING: Failure to observe the following warn- ings could result in serious personal injury: 1. Follow recognized safety practices and wear pro- tective goggles when checking or servicing refrig-erant system. 2. Do not operate compressor or provide any electric power to unit unless com...
Page 23 - D. Smoke Control Modes; On standard gas models, the indoor fan will continue; F. Indoor Air Quality Control; Low Priority; Circuit
controls up to 2 stages of power exhaust to maintain buildingpressure. The power exhaust package can be configured todeliver positive or negative building pressure. These powerexhaust stages are staged according to a percentage of theeconomizer dampers position. Default values are 25% forStage 1 and...
Page 26 - Motor efficiency
Table 8 — Fan Performance, 580G240-360 — Vertical Discharge Units For 580H units, reduce net available external static pressure by 0.3 in. wg. AIRFLOW (Cfm) AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 4,0...
Page 31 - B. Fan Shaft Bearings; Multifak 2; C. Condenser and Evaporator-Fan Motor Bearings
B. Fan Shaft Bearings Lubricate the bearings at least twice annually with suitablebearing grease. Do not over grease. Typical lubricants are shownbelow: MANUFACTURER LUBRICANT Texaco Regal AFB-2* Mobil Mobilplex EP No. 1 Sunoco Prestige 42 Texaco Multifak 2 *Preferred lubricant because it contains r...
Page 33 - TROUBLESHOOTING; Typical refrigerant circuiting diagram is shown in Fig. 44.; LEGEND; Fig. 44 — Typical Refrigerant Circuiting
TROUBLESHOOTING Typical refrigerant circuiting diagram is shown in Fig. 44. I. DIAGNOSTIC LEDs (Light-Emitting Diodes) There are 3 LEDs (red, yellow, and green) on the lower righthand side of the control board. The red light is used to checkunit operation and alarms. A constant pulse is normal unit ...
Page 34 - Table 14 shows the input and output channel designations.
Table 12 — Control Board LED Alarms LED BLINKS ERROR CODE DESCRIPTION TROUBLESHOOTING COMMENTS 1 Normal Operation The control board flashes the red LED in one-second intervalswhen the board is operating properly. Make sure DIP switch 3 isclosed. 2 HF-13 Compressor 1 Safety The high or low pressure s...
Page 35 - Table 14 — I/O Channel Designations Base Module; OAT — 5K
Table 14 — I/O Channel Designations Base Module TERMINAL NO. ASSIGNMENT T1-2 — T3-4 — T5-6 OAT — 5K V Thermistor T7-8 SAT — 5K V Thermistor T9-10 — T11-12 — T13-14 — T15-16 — T17-25 Y1 — DI (24 vac) T18-25 Y2 — DI (24 vac) T19-25 W1 — DI (24 vac) T20-25 W2 — DI (24 vac) T21-25 G — DI (24 vac) T22-25...
Page 39 - Type 90 C wire or its equivalent.
NOTES:1. Connect TRAN1 to H4 for 575V units.2. Connect TRAN2 to black lead for 575V units.3. Circuit breaker must trip amps are equal to or less than 156% FLA for CB1 and CB2. All others are 140%. 4. If any of the original wire furnished must be replaced, it must be replaced with Type 90 C wire or i...
Page 42 - PACKAGED SERVICE TRAINING
PACKAGED SERVICE TRAINING Our packaged service training programs provide an excellent way to increase your knowledge of theequipment discussed in this manual. Product programs cover: • Unit Familiarization• Installation Overview • Maintenance• Operating Sequence A large selection of product, theory,...
Page 44 - GENERAL
GENERAL M SET ECONOMIZER MINIMUM VENT POSITION TO JOB REQUIREMENTS M ENSURE DRIVES OPERATE WITHIN LIMITS OF FAN PERFORMANCE TABLES. HIGH-PRESSURE SWITCH SETTING PSIG LOW-PRESSURE SWITCH SETTING PSIG MOTOR PULLEY PART NUMBER FAN PULLEY PART NUMBER BELT PART NUMBER BELT SIZE in. FILTER QUANTITY FILTER...