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GREENHECK

P.O. BOX 410 SCHOFIELD, WISCONSIN 54476-0410

PH. 715-359-6171

ENERGY RECOVERY VENTILATORS

Models ERV-251, 361, 521, 581, 522 & 582

INSTALLATION, OPERATION AND MAINTENANCE MANUAL

**WARNING**

DISCONNECT ALL ELECTRICAL POWER TO THE ERV PRIOR TO INSPECTION OR SERVICING BY

SECURING THE MAIN DISCONNECT SWITCH TO THE "OFF" POSITION. 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 ANY ERV.

FAILURE TO COMPLY WITH THIS SAFETY PRECAUTION COULD RESULT IN PROPERTY

DAMAGE, SERIOUS INJURY OR DEATH.

PART #455924

READ AND SAVE THESE INSTRUCTIONS

Содержание ERV-251

Страница 1: ...R TO THE ERV PRIOR TO INSPECTION OR SERVICING BY SECURING THE MAIN DISCONNECT SWITCH TO THE OFF POSITION FAILURE TO COMPLY WITH THIS SAFETY PRECAUTION COULD RESULT IN SERIOUS INJURY OR DEATH IMPORTANT...

Страница 2: ...inimum service clearance should be provided on the side of the unit for routine service and component removal should it become necessary Before beginning installation see pages 8 through 11 for dimens...

Страница 3: ...ls Before hoisting into position test lift the unit to verify stability and balance Avoid twisting or uneven lifting of the unit Never lift an ERV by weatherhoods FIGURE 2 ERV 522 and 582 FIGURE 1 3 S...

Страница 4: ...hers Assembly instructions are included with the curb 2 Cut Roof Opening and Locate Curb Locate the unit over the roof opening so the unit openings and corresponding ducts line up See the drawing belo...

Страница 5: ...RV unit base 4 Install Duct Work Installation of all ducts should be done in accordance with SMACNA and AMCA guidelines The chart on page 6 shows the duct sizes and straight lengths recommended for op...

Страница 6: ...and Length ERV ERV Duct Straight Model Blower Size Duct Size Length 251 10 9 x 9 40 361 10 14 x 14 40 521 12 20 x 20 48 581 15 28 x 28 60 522S 15 28 x 28 60 522H 18 32 x 32 72 582 20 34 x 34 80 ELECTR...

Страница 7: ...rough the base panel near the exhaust intake opening of the ERV 3 Connect control wiring to the terminal strip located in the electrical control center All ERV units include as standard a transformer...

Страница 8: ...rrangement A A B C Outdoor Air Inlet Q x P Exhaust Air Discharge L x K Outdoor Air Discharge L x K Exhaust Air Inlet F x G C B A D E Arrangement B Exhaust Air Inlet F x G Outdoor Air Discharge L x K I...

Страница 9: ...Outdoor Air Inlet Exhaust Air Discharge Exhaust Air Inlet Outdoor Air Discharge Cassette Slides out Access Panels Access Panels Exhaust Side Supply Side Model R S T 251 32 30 30 361 44 30 30 521 60 4...

Страница 10: ...D A E Outdoor Air Discharge L x K Exhaust Air Inlet H x J Exhaust Hood Intake Hood Arrangement A Arrangement B Arrangement D Arrangement C Weight dependent on components and accessories All dimensions...

Страница 11: ...el for proper component access Clearances for component removal are shown below Interior Rooftop Exhaust Air Inlet Outdoor Air Inlet Exhaust Air Discharge Exhaust Hood Intake Hood Outdoor Air Discharg...

Страница 12: ...ay out of the unit DRIVE BELT Turn the energy recovery wheel by hand to verify free operation Inspect the belt which drives the energy wheel rotation Make sure the belt rides smoothly through the pull...

Страница 13: ...tion open the blower access panels which are labeled either supply or exhaust and run the blower momentarily to determine the rotation To reverse the rotation turn the power off and use the following...

Страница 14: ...e motor plate must be loosened in order to adjust the belt It is very important that the drive pulleys remain in proper alignment after adjustments are made Misalignment of pulleys will result in prem...

Страница 15: ...n the cleanliness of the incoming air To remove these filters pull the side access panel off and simply slide the filters out of the weatherhood Clean filters by rinsing with a mild detergent in warm...

Страница 16: ...the 3 fasteners that hold the center channel in place Pull the cassette halfway out as shown in Figure 8 When service is complete reattach the center channel before putting access panels back in plac...

Страница 17: ...ean AK 1 concentrate in a 5 solution has been demonstrated to provide excellent results Do not use acid based cleaners aromatic solvents temperatures in excess of 140 F or steam damage to the wheel ma...

Страница 18: ...m the factory MAINTENANCE OF THE ENERGY RECOVERY WHEEL continued Name Plate Information Model _______________________________ Volts ___________ Hertz _______ Phase ___ Wheel Serial Number ____________...

Страница 19: ...____________________________________ Name Plate Information Model ___________________________________________ Volts ___________ Hertz __________ Phase _________ Min Circuit Amps _____________ Mark __...

Страница 20: ...ntrol sensors are tripping Air seals too tight See Energy Recovery Wheel on page 12 Energy Wheel Economizer temperature Adjust temperature or enthalpy set points as needed Does NOT Turn sensors are op...

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