Greenheck HRE-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 #461248 READ AND SAVE THESE INSTRUCTIONS ® HEAT RECOVERY UNIT WITH EVAPORATIVE COOLING Models: HRE-20, 45, 55, & 90 INSTALLATION, OPERATION AND MAINTENANCE MANUAL Indirect Evaporative Cooler (Exhaust/Scavenger Airstream) Direct Evaporative Cooler (Outdoor/Supply Airstream)