Greenheck ERH-20 Manuals

**WARNING** DISCONNECT AND SECURE TO THE "OFF" POSITION ALL ELECTRICAL POWER TO THE UNITS PRIOR TO INSPECTION OR SERVICING. FAILURE TO COMPLY WITH THIS SAFETY PRECAUTION COULD RESULT IN SERIOUS INJURY OR DEATH. **IMPORTANT** ALL FACTORY PROVIDED LIFTING LUGS MUST BE USED WHEN LIFTING THE UNITS. FAILURE TO COMPLY WITH THIS SAFETY PRECAUTION COULD RESULT IN PROPERTY DAMAGE, SERIOUS INJURY OR DEATH. PART #459657 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 INSTALLATION SUPPLEMENT Refer to the following Greenheck installation supplement for ERH units supplied with Indirect Gas (IG) heating: Model PVF, Indirect Gas Fired Furnaces for Energy Recovery Units, Part #461006