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Eubank 7AA1024H-1060H & 7AA2024H-2060H I&O Manual 03/2021 Rev.1

Chapter 7  Warranty

7.1 

Marvair, Inc.  Limited Product Warranty

Marvair Inc., warrants its products to be free from defects in materials and workmanship under normal use to the original purchaser 

for the period of time in the table below. If any part of your  product fails within 12 months from start-up, or 18 months from 

shipment from the factory,  whichever comes first, Marvair, Inc.  will furnish without charge, EXW Cordele, Georgia, the required 

replacement part. The owner must provide proof of the date of the original start-up. The contractor’s invoice, the certificate of 

occupancy, or similar documents are examples of acceptable proof of the date of the original start-up.

Marvair, ICE, Eubank Products

90 Days

1

 w/Flat Rate Labor

2

 (See Marvair, ICE, Eubank Flat Rate Labor Guidelines)

1 Year Parts

2,3

5 Years Compressor

2

1

If any part of your Marvair, Inc.  unit fails within 90 days of the commencement of the warranty, Marvair, Inc.  will furnish without charge, EX Works, Cordele, Georgia, the 

required replacement part and pay for the labor to replace the part in accordance with the Marvair, Inc. Flat Rate Labor Guidelines.

2

All OTR (over the road) applications that are moved from one location to another: Factory Warranty applies only up to the point of initial start-up and test at all OEM 

manufacturing locations or subsequent facility. Once it goes into OTR service, the warranty expires immediately for compressor and sealed system components. This OTR 

exemption does not apply to relocatable classrooms, construction or office trailers.

3

All warranty replacement parts shall be shipped Ground only. Expedited shipping is available upon request for additional cost.

The responsibility of the equipment owner includes:

1.  To operate the equipment in accordance with the manufacturer’s instructions.

2.  To provide easy accessibility for servicing.

3.  To check and reset any circuit breaker(s) and/or disconnect(s) prior to calling for service.

4.  To keep the unit clean and free of dirt and containment and replace filters as required.

5.  To keep the outdoor coil clean and free of leaves, paper, or other debris.

6.  To pay the charges incurred when any of the above have not been done.

7.  To pay for repair or replacement of any material or part other than those within the Marvair unit or controller.

Marvair, Inc.,  will not be responsible for labor after 90 days, transportation costs, delays or failures to complete repairs caused by 

events beyond our control (labor hours incurred due to required site-specific training, time waiting to gain access, or extended drive 

time for remote sites). This warranty does not cover:

1.  Any transportation, related service labor, diagnosis calls, filter, driers, refrigerant, or any other material charges.

2.  Damages caused by shipping, accident, abuse, negligence, misuse, fire, flood, or Acts of God.

3.  Damages caused by operating or staging the unit in a corrosive environment.

4.  Damages caused by improper application of the product.

5.  Damages caused by failing to perform proper routine maintenance.

6.  Expenses incurred for erecting, disconnecting or dismantling the product or installing the replacement part(s).

7.  Products not installed or operated according to the included instructions, local codes, and good trade practices.

8.  Products moved from the original installation site.

9.  Products lost or stolen

10.  Consequential damages or incidental expenses including losses to persons, property or business.

11.  Modifications to original unit after it leaves the factory, such as breaking into any part of the sealed systems unless 

authorized in advance in writing by Marvair, Inc.. 

12.  Damages as a result of operating as a construction site cooler / dehumidifier.

When labor (first 90 days only)  is required, it must be performed during normal working hours (8:00 AM - 5:00 PM) Monday - Friday 

and must be performed by Marvair, Inc.,  personnel or a designated Service Representative. 
The owner of the product may ship the allegedly defective or malfunctioning product or part to Marvair, Inc.,, at such owner’s 

expense, and Marvair, Inc.,  will diagnose the defect and, if the defect is covered under this warranty, Marvair, Inc.,  will honor its 

warranty and furnish the required replacement part. All costs for shipment and risk of loss during shipment of the product to 

Marvair, Inc., and back to the owner shall be the responsibility and liability of the owner. Upon written request by an owner, Marvair, 

Inc., may arrange for remote diagnosis of the allegedly defective or malfunctioning product or part but all costs for transportation, 

lodging and related expenses with regard to such diagnostic services shall be the responsibility and liability of the owner.
An owner requesting performance under this Warranty shall provide reasonable access to the allegedly defective or malfunctioning 

product or part to Marvair, Inc., and its authorized agents and employees.
THIS WARRANTY CONSTITUTES THE EXCLUSIVE REMEDY OF ANY PURCHASER OF A MARVAIR HEAT PUMP OR AIR CONDITIONER 

AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTY 

OF MERCHANTABILITY OR FITNESS FOR USE, TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT SHALL ANY IMPLIED 

WARRANTY OF MERCHANTABILITY OR FITNESS FOR USE EXCEED THE TERMS OF THE APPLICABLE WARRANTY STATED ABOVE 

AND MARVAIR SHALL HAVE NO OTHER OBLIGATION OR LIABILITY. IN NO EVENT SHALL MARVAIR BE LIABLE FOR INCIDENTAL OR 

CONSEQUENTIAL DAMAGES OR MONETARY DAMAGES.
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE-TO-

STATE. Some states do not allow limitations or exclusions, so the above limitations and exclusions may not apply to you.  

  

Содержание Eubank 7AA1024H-1030H

Страница 1: ...formation for options and features which may not be included on the unit being installed Refer to the unit data label or Model Identification to determine which features and options this unit is equip...

Страница 2: ...lure to follow these rules may result in death serious bodily harm property damage and damage to the equipment Important Safety Precautions 1 USE CARE when LIFTING or TRANSPORTING equipment 2 TRANSPOR...

Страница 3: ...et Up 29 Chapter 4 Troubleshooting 4 1 Overview 32 4 2 Failure Symptoms Guide 33 4 3 Compressor Troubleshooting 34 4 4 Electric Heat Control 34 Chapter 5 Electrical Schematics 5 1 Electrical Schematic...

Страница 4: ...t Pump Wall Mounting Detail 22 Figure 5a Humidity Control Wiring Detail 25 Figure 5b Thermostat Connection Diagram 25 Figure 6 Temperature Sensor Wires Modulating HGR Valve 28 Figure 7 Desired Tempera...

Страница 5: ...Service ports have been provided for field service if required All internal wiring is complete These heat pump models are available in a wide variety of styles and configurations to meet the various...

Страница 6: ...H T Hard Start w EFS U Hard Start w Hot Gas Bypass V Hard Start w Low Ambient CCH EFS W Low Ambient w CCH X Hot Gas Bypass Y Low Ambient w CCH FCC Z Low Ambient w CCH EFS 1 Low Ambient w FCC 2 Low Amb...

Страница 7: ...Minimize noise and excessive pressure drops caused by duct aspect ratio changes bends dampers and outlet grilles in duct runs Table 1 Air Flow Cubic Feet per Minute MODEL 24 30 36 42 49 60 N Ventilati...

Страница 8: ...eased into the room The compressed refrigerant vapor will condense to its liquid state as it gives up heat Finally liquid flows through a metering device into the evaporator where the cycle will be re...

Страница 9: ...has no moving parts The media is impregnated with a RC134 polymeric desiccant that exchanges water by direct vapor transfer using molecular transport without the need of condensation The GreenCube ER...

Страница 10: ...H will be energized when a 24 VAC signal is applied to the W2 terminal The control will monitor the status of the loss of charge switch and the high pressure switch If either of these inputs recognize...

Страница 11: ...three potentiometers pots that allow the user to select settings to optimize the installation See Figure 1 for location of the pots Delay on Make The control has a pot settable 0 03 to10 minute delay...

Страница 12: ...EHDD function will be disabled S Circuit The S Circuit prevents the compressor and electric heat from operating simultaneously The S Circuit is pin selectable using a jumper to select Yes to enable th...

Страница 13: ...dition will only be reset by manually cycling power to the control To reset the switch turn primary power off then back on or turn thermostat system switch off then back on The loss of charge switch o...

Страница 14: ...switch terminals are the loss of charge switch input DS The DS terminals are the defrost sensor input CS The CS terminals are the coil sensor optional input This input will monitor the condenser coil...

Страница 15: ...ERV Exhaust Blower For separate control of the exhaust blower When used the standard speed controller operates the intake blower and the optional second controller the exhaust blower Individual blower...

Страница 16: ...sponse to input from the enthalpy and mixed air sensors The controller is designed to maintain the supply air temperature between 50o to 56o F by mixing warm indoor air with cooler outdoor air On a ca...

Страница 17: ...w to stand for 24 hours with primary power turned on 2 Attempt to start the compressor after 24 hours 3 If the compressor will not start makes excessive noise or will not operate return the unit to th...

Страница 18: ...duct work requirements 6 Clearances When facing the unit from the outside the minimum clearances are found below Note the minimum clearances required for proper operation and service Tables 4a 4b belo...

Страница 19: ...48 Digital 7 day 2 occupied 2 unoccupied periods for each day of the week programmable thermostat Three stage heat Three stage cool Manual or auto changeover Fan Auto On Ten year retention of programm...

Страница 20: ...WARNING FIRE HAZARD Improper adjustment alteration service maintenance or installation could cause serious injury death and or property damage Installation or repairs made by unqualified persons could...

Страница 21: ...t quantity of supply registers adequate return and filter area Ductwork must be of correct material and must be properly insulated Ductwork must be constructed of galvanized steel with a minimum thick...

Страница 22: ...ch this opening Allow sufficient clearance to run 3 4 conduit through the hole and to the unit 2 Apply a bead of silicone sealer on the wall side of the mounting brackets on the Heat Pump Circle the m...

Страница 23: ...y by qualified persons CAUTION This Heat Pump may incorporate an internal crankcase heater for compressor protection The crankcase heater must be energized for at least 24 hours prior to starting the...

Страница 24: ...e compressors in the reversed direction for a short duration of time usually defined as less than one hour However after several minutes of operation the compressor s internal protector will trip The...

Страница 25: ...25 Eubank 7AA1024H 1060H 7AA2024H 2060H I O Manual 03 2021 Rev 1 Figure 5a Humidity Control Wiring Detail Heat Pumps Figure 5b Thermostat Connection Diagram...

Страница 26: ...tat Slowlylowerthethermostatcoolingsetpointtemperature Once the indoor fan turns on allow approximately three minutes for the compressor and outdoor fan to start For units equipped with the low ambien...

Страница 27: ...tandard on Eubank heat pumps with economizer has cycled 3 Move the system switch to the Off position All functions should stop The Blower Timed Delay Relay BTR keeps the blower running for 90 seconds...

Страница 28: ...ature F Insert the probes of the meter into the negative black and positive red set point test terminals on the board Carefully and in small increments turn the blue knob on the potentiometer until th...

Страница 29: ...tract the return air from the supply air The difference is the amount of fresh air c Loosen the set screw that holds the collar onto the rod connected to the damper Move the collar and tighten the set...

Страница 30: ...ue of the Tmix equals the calculated or desired value of Tmix The motorized damper Configuration B can be controlled by an optional relay that allows additional external control with a choice of 24 12...

Страница 31: ...ller is accessed through the return air opening The controller is located on the GreenWheel ERV assembly on the air separation box in a 2 x 4 J box Note Sufficient airflow is required for proper opera...

Страница 32: ...is only after making this initial inspection The troubleshooting information in this manual is basic The troubleshooting section contains problem solution charts for general problems followed by a com...

Страница 33: ...ch 1 Check blower assembly for proper opera tion Look for airflow restrictions e g the air filter Check blower motor and condenser fan Indoor blower fan speed control set too low 2 Check for blockage...

Страница 34: ...high amperage it should soon drop to the RLA value or less If the amperage stays high check the motor winding resistances NOTE Feel the top of the compressor to see if it has overheated If it is hot t...

Страница 35: ...described above there is a single function thermal cut out switch P N 70005 mounted on the heater frame This switch controls the 24V AC control current to the heater contactor s which powers all the...

Страница 36: ...ower is available The heater drives liquid refrigerant from the crankcase and prevents loss of lubrication caused be oil dilution Power must be applied to the unit for 24 hours before starting the com...

Страница 37: ...37 Eubank 7AA1024H 1060H 7AA2024H 2060H I O Manual 03 2021 Rev 1 Figure 11a Typical Electrical Schematic Diagram Heat Pump Models with Manual Outside Air Damper...

Страница 38: ...38 Eubank 7AA1024H 1060H 7AA2024H 2060H I O Manual 03 2021 Rev 1 Figure 11b Typical Electrical Schematic Diagram Heat Pump Models with Economizer...

Страница 39: ...to wet any of the electrical components Be sure the unit has dried before restarting Use a fin comb of the correct spacing to straighten mashed or bent fins Outdoor Coil Periodically inspect the outd...

Страница 40: ...y other material charges 2 Damages caused by shipping accident abuse negligence misuse fire flood or Acts of God 3 Damages caused by operating or staging the unit in a corrosive environment 4 Damages...

Страница 41: ...________ Serial No ______________________________________________ Compressor Model No ______________________________________________ Serial No ______________________________________________ B Pre Star...

Страница 42: ...3 3 Avg Voltage _______________ Max Deviation from avg voltage ______________volts Voltage imbalance 100 x Max Deviation avg Voltage ___________ A voltage deviation greater than 2 with the unit runnin...

Страница 43: ...emp ________ ________ Evap Leaving Air WB Temp ________ ________ Heater Contactor Amps L1 ________ ________ Heater Contactor Amps L2 ________ ________ Heater Contactor Amps L3 ________ ________ E Cool...

Страница 44: ...L2 ________ ________ Compressor Amps L3 ________ ________ Notes ___________________________________________________________________________ ___________________________________________________________...

Страница 45: ...supply outlet duct flange on the unit The 1 25 4 mm clearance must extend on all sides of the supply duct for the first 3 feet 1 meter from the unit IMPORTANT Eubank requires a minimum of 1 25 4 mm f...

Страница 46: ...other heaters 6 Install the two No 10 screws in the heater assembly plate 7 Install wire harness in hole provided in drain pan and then through filter bracket and then into control box 8 Wire the heat...

Страница 47: ...47 Eubank 7AA1024H 1060H 7AA2024H 2060H I O Manual 03 2021 Rev 1...

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