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Welcome to the Seasons 4 Wiki.
This wiki houses the Seasons-4 engineering procedures.

The procedures are as follows:

ADMINISTRATION---INDEX

1. ENGINEERING UNIT MASTER FILE 2. SUBMITTAL POLICY 3. PRODUCTION PACKAGE POLICY 4. GENERIC VERSUS SPECIFIC PARTS 5. UNIT MODEL NUMBERS 6. ASSIGNING NUMBERS TO PARTS PROVIDED BY OTHERS 7. CREATING NEW SUBBILLS 8. AUTO CAD UNIT DIMENSIONAL DRAWINGS 9. DESIGNING UNITS USING SECTIONS 10. SUPERMARKET UNIT DESIGNATION 11. NOTIFICATION REQUIRED WHEN CHANGING PARTS 12. DRAWING FILE NAMING AND SAVING PROTOCOL 13. SEQUENCE OF OPERATION 14. NEW CONDENSER AND SUB COOLING COIL 15. PIPING SCHEMATIC DRAWINGS 16. ENGINEERING BULLETIN 17. CURB DRAWING FOR SUBMITTAL 18. OMS MANUALS 19. DIMENSIONAL DATA DRAWING STANDARDS 20. MASTER QUOTES 21. FILTERS SHIPPED SEPARATELY 22. ENGINEERING FILE NAMING PROCEDURE 23. ENGINEERING REVIEW OF UNITS IN PRODUCTION 24. PEER UNIT DESIGN REVIEW 25. FACTORY ORDERS FOR ITEMS OTHER THAN UNITS

BLOWERS---INDEX

1. BELT REQUIREMENTS, SMALL HP DRIVES 2. CENTER DISTANCE, HORIZONTAL PLENUM FANS 3. SELECTION OF BLOWER CLASS 4. APPLICATION OF FORWARD CURVE BLOWERS 5. APPLICATION OF TWIN PLENUM BLOWERS 6. VIBRATION ISOLATION OF BLOWERS 7. GUIDELINES FOR DIRECT DRIVE BLOWERS MANUFACTURED BY SEASONS-4 8. BLOWER INLET GUARDS 9. PLENUM BLOWERS WITH MOTOR MOUNTED ON TOP

CABINET—INDEX

1. CONTROL PANEL CONSTRUCTION, NON-VESTIBULE 2. 2-PIECE CABINET CONSTRUCTION 3. O.A. INTAKES 4. REMOTE TERMINAL ACCESS 5. SPECIAL CONSIDERATIONS FOR UNITS OVER 138" WIDE 6. DOOR INDICATORS FOR SUBMITTAL DRAWINGS 7. NON-MOTORIZED RES EXHAUST DAMPERS 8. LOCATION OF OA DAMPER, VESTIBULE UNITS 9. LOCATION & STORAGE OF DIMENSIONAL DATA DRAWINGS 10. UNIT HEIGHT 11. UNIT WIDTH 12. DUAL DUCT UNITS 13. FILTER SPACE REQUIREMENTS 14. PERFORATED LINERS 15. INSTALLATION GUIDELINES FOR VARIABLE FREQUENCY DRIVES 16. VENTILATION REQUIREMENTS FOR COMPRESSORS

CONTROLS---INDEX

1. FREEZESTAT 2. AIRFLOW SWITCH 3. SMOKE DETECTOR 4. EES & RES DUAL DUCT OPERATION 5. RELAYS 6. HIGH STATIC PRESSURE LIMIT SWITCH 7. SEQUENCE OF OPERATION FOR SMOKE DETECTORS

DUCT FURNACES---INDEX

1. POWER VENTED FURNACE REQUIREMENTS 2. MODINE FURNACE POLICY 3. GAS CONNECTION SIZES 4. BURNER LOCATION IN CABINET 5. TUBULAR FURNACE ORIENTATION

ELECTRICAL---INDEX

1. MAIN DISCONNECT LOCK-OUTS 2. THROUGH-THE-DOOR DISCONNECT & TOGGLE 3. MOTOR MANUFACTURER BY VOLTAGE 4. PUMP OVERLOAD SIZING 5. FREEZESTAT, AMBIENT COOLING & HEATING LOCK-OUTS 6. NEUTRAL BAR 7. CONDENSER FAN FUSING 8. BRANCH CIRCUITS-ELECTRIC HEAT 9. ENCAPSULATED TRANSFORMERS 10. INVERTER DUTY CONDENSER FAN MOTORS 11. PIERCING CONNECTORS 12. UNIT LIGHTING 13. UL508A CONTROL PANELS 14. COMPRESSOR PUMP DOWN FOR WATER COOLED SYSTEMS 15. NEMA CONTACTOR SIZING FOR COMPRESSORS

ELECTRIC HEAT---INDEX

1. APPLICATION OF ELECTRIC HEATERS

EVAPORATORS---INDEX

1. DRAIN PAN INSULATION 2. SIZE GUIDELINES 3. BYPASS DAMPER LOCATION 4. MODEL NUMBER TONNAGE CALCULATION 5. DISTRIBUTOR NOZZLE ORDERING 6. EVAPORATOR HEADER SIZING 7. DISTRIBUTOR/NOZZLE SELECTION

HEAT RECLAIM---INDEX

1. SIZING HEAT RECLAIM COILS

MOTORS---INDEX

1. MAXIMUM LOADING/MOTOR HP SELECTION 2. MOTOR MANUFACTURER SELECTION

MULTI-ZONE EQUIPMENT---INDEX

1. ZONE LABELING 2. HOT DECK VS. COLD DECK PRESSURE DROP 3. TWO DECK VAV AND TRIPLE DECK DAMPERS

PIPING---INDEX

1. SPLIT SYSTEMS 2. ANGLE VALVE CALLOUTS 3. REFRIGERANT LINE SIZES 4. LIQUID LINE SENSOR MOUNTING LOCATION 5. LOW AMBIENT CONTROL 6. WATER PIPING

POWER BURNERS---INDEX

1 HIGH TURNDOWN BURNERS 2 ADIABATIC CHAMBER SIZES 3 CGA POWER BURNER REQUIREMENTS 4 DECK FOR PIPING PURPOSES 5 GAS CONNECTION SIZES 6 BURNER LOCATION IN CABINET 7 ORDERING PROCEDURE FOR POWERFLAME BURNERS

UNIT DESIGN---INDEX

1. HOT GAS REHEAT COILS 2. SUPERMARKET DESIGN GUIDELINES 3. ENERGY RECOVERY DESIGN GUIDELINES (SUBMITTAL PROGRAM) 4. FILTERS FOR MAKE-UP AIR UNITS

WATER AND STEAM COILS---INDEX

1. PLACEMENT OF CW/HW/STEAM COILS 2. STEAM COIL SELECTION GUIDELINES