Greenheck 473501 - Manual

Greenheck 473501

Greenheck 473501 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Receiving
  • Page 3 – Table of Contents
  • Page 4 – Models and Capacities; Heat Pump Capacity; Product Overview; The heat pump
  • Page 5 – Coils; Subassemblies; Energy Wheel; Dampers
  • Page 6 – Heat Pump Module
  • Page 7 – Installation; All dimensions shown are in inches.; Unit Weights and Recommended Roof Opening
  • Page 8 – Service Clearances
  • Page 9 – Handling; WARNING; Lifting Lugs; NOTE
  • Page 10 – Curb Outside Dimensions and Weights; Curb Cap Dimensions; All dimensions are in inches.; Curb Outside Dimensions and Curb Weights (lbs); All dimensions are in inches. Weights are for 12 inch high; Roof Curb Mounting; Factory Supplied Roof Curbs:
  • Page 11 – Rail Mounting / Layout; • Rails designed to handle the weight of the unit; Exhaust Weatherhood
  • Page 12 – DANGER
  • Page 13 – SPECIAL TOOLS REQUIRED; Voltage Imbalance
  • Page 14 – Unit Start-Up Checklist
  • Page 15 – Electrical Information; Connect the Power Supplies; Electrical Nameplate
  • Page 16 – Plumbing / Piping Overview; Condensate Drain Trap
  • Page 17 – Optional Remote Control Panel; Indicator Lights powered by the ER Unit; “On” - Manual Operation
  • Page 18 – Typical Control Center Components -; individual components and locations; Optional Control Center Components; - Economizer module
  • Page 19 – Electrical Controls; Optional Frost Control; Frost Threshold Temperatures; Timer Scale
  • Page 20 – Optional Economizer; Testing; Wheel runs at full speed.; Phase Monitor
  • Page 21 – Optional Rotation Sensor; place a sheet of plastic or cardboard over 50% of the
  • Page 22 – Drive Belt; Sequence of Operation; Wheel Rotation Alarm:
  • Page 23 – Energy Wheel Maintenance
  • Page 24 – temperatures drop below 28oF, which is 32o–34oF coil; Energy Wheel Troubleshooting; Air seals are too tight.; Heat Pump Overview
  • Page 25 – Heat Pump Controls; • High pressure switch located in the refrigerant
  • Page 26 – Refrigeration System Schematic; leaves about 6
  • Page 27 – Fault Indications; LED; Intelligent Reset; Default Settings
  • Page 28 – Troubleshooting - Controller Alarms; DDC Controller
  • Page 29 – Symptom; Troubleshooting – Unit; The
  • Page 31 – Check line voltage. If more than 10% from; Troubleshooting – Refrigeration Circuit; TROUBLESHOOTING NOTE
  • Page 36 – Routine Maintenance; Maintenance Frequency:; Monthly; Check for cleanliness – clean if required; Semiannually; Heat Pump
  • Page 37 – Fan Motors; of grease to be used is to fill 30% to 60% of available; Unirex 2; Bearing Lubrication Schedule; Fan
  • Page 38 – Internal Filter Maintenance; Access to the outdoor air filters; Coil Maintenance; TEST; over a small corner of the coil; REFER TO GENERAL SAFETY INFORMATION; External Filter Maintenance
  • Page 39 – Maintenance Log
  • Page 40 – Warranty; AMCA Publication 410-96, Safety Practices for Users and
Loading the manual

1

Model ERCH-HP Energy Recovery Unit

®

Installation, Operation and Maintenance Manual

Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the
product described. Protect yourself and others by observing all safety information. Failure to comply with instructions could
result in personal injury and/or property damage! Retain instructions for future reference.

Only qualified personnel should install this system.
Personnel should have a clear understanding of these
instructions and should be aware of general safety
precautions. Improper installation can result in electric
shock, possible injury due to coming in contact with
moving parts, as well as other potential hazards,
including environmental. Other considerations may be
required if high winds or seismic activity are present.
If more information is needed, contact a licensed
professional engineer before moving forward.
1. Follow all local electrical and safety codes, as well

as the National Electrical Code (NEC), the National
Fire Protection Agency (NFPA), where applicable.
Follow the Canadian Electric Code (CEC) in
Canada.

2. All moving parts must be free to rotate without

striking or rubbing any stationary objects.

3. Unit must be securely and adequately grounded.
4. Do not spin fan wheel faster than maximum

cataloged fan RPM. Adjustments to fan speed
significantly affect motor load. If the fan RPM is
changed, the motor current should be checked to
make sure it is not exceeding the motor nameplate
amps.

5. Verify that the power source is compatible with the

equipment.

6. Never open access doors to the unit while it is

running.

General Safety Information

DANGER

• Always disconnect power before working on or near

this equipment. Lock and tag the disconnect switch
or breaker to prevent accidental power up.

• If this unit is equipped with optional gas

accessories, turn off gas supply whenever power is
disconnected.

CAUTION

This unit is equipped with a compressed refrigerant
system. If a leak in the system should occur,
immediately evacuate and ventilate the area. An EPA
Certified Technician must be engaged to make repairs
or corrections. Refrigerant leaks may also cause
bodily harm.

CAUTION

When servicing the unit, the internal components may
be hot enough to cause pain or injury. Allow time for
cooling before servicing.

Model ERCH-HP

Part #473501

ERCH-HP Energy Recovery Ventilator

with Heat Pump

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Summary

Page 2 - Receiving

2 Model ERCH-HP Energy Recovery Unit Receiving Upon receiving the product, check to make sure all items are accounted for by referencing the bill of lading to ensure all items were received. Inspect each crate for shipping damage before accepting delivery. Notify the carrier if any damage is noticed...

Page 3 - Table of Contents

3 Model ERCH-HP Energy Recovery Unit Table of Contents General Safety Information . . . . . . . . . . . . . . . . . . . . 1 Receiving, Handling and Storage . . . . . . . . . . . . . . . 2 Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Models and Capacities . . . . . . . ....

Page 4 - Models and Capacities; Heat Pump Capacity; Product Overview; The heat pump

4 Model ERCH-HP Energy Recovery Unit Models and Capacities This unit is manufactured in four different platform sizes; 20, 45, 55 and 90. Each platform has multiple options for heating and cooling capacities.All 4, 5 and 6 ton capacity units have a single scroll type compressor and all other units h...

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