Greenheck Fan ERH-20, ERH-45, ERH-55, ERH-90 manual

Contents

Main **WARNING** **IMPORTANT** READ AND SAVE THESE INSTRUCTIONS ENERGY RECOVERY UNIT with HEATING Models: ERH-20, 45, 55, & 90 INSTALLATION, OPERATION AND MAINTENANCE MANUAL Heating Section Energy Recovery Wheel GENERAL TABLE OF CONTENTS STORAGE INSTALLATION LIFTING RECOMMENDED ROOF OPENING UNIT WEIGHTS (dry weights) BASIC OPERATION DUCT WORK CONNECTIONS ROOF CURB MOUNTING INSTALLATION (continued) WEATHERHOODS EXHAUST DAMPERS ELECTRICAL CONNECTIONS TYPICAL CONTROL CENTER COMPONENTS SERVICE CLEARANCES / ACCESS PANEL LOCATIONS for Model ERH FIGURE 6 52 in. 0 in. FIGURE 7 WATER COIL APPLICATION RECOMMENDATIONS WATER COIL LOCATION AND CONNECTION ELECTRIC HEATER APPLICATION/OPERATION Electric Post-Heater Electric Preheater FROST CONTROL APPLICATION/OPERATION DIRTY FILTER SWITCH SETUP ECONOMIZER APPLICATION/OPERATION GENERAL FAN WHEEL ROTATION the Trouble Shooting section of this manual if a problem develops. START UP CHECKS **WARNING** Pre-Start Check List Special Tools Required Incline manometer or equivalent Tachometer Thermometer Amperage meter ENERGY RECOVERY WHEEL COILS FAN RPM ROUTINE MAINTENANCE FAN BELTS MOTORS WHEEL AND FASTENERS EXTERNAL FILTER MAINTENANCE INTERNAL FILTER MAINTENANCE VIBRATION WATER COIL MAINTENANCE ROUTINE ENERGY RECOVERY WHEEL MAINTENANCE Page PARTS LIST Model ERH Trouble Shooting Possible CauseSymptom Corrective Action Warranty GREENHECK Possible CauseSymptom Corrective Action Trouble Shooting