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

1.3 Serial Number Date Code

20 = 2020

01 = January

05 = May

09 = September

21 = 2021

02 = February

06 = June

10= October

22 = 2022

03= March

07 = July

11 = November

23 = 2023

04 = April

08 = August

12 = December

1.4 Air Flow, Weights and Filter Sizes.

MODEL

External Static Pressure (WET COIL)

0.10

0.20

0.25

0.30

0.40

0.50

7AA1024H & 2024H

800

770

725

680

600

500

7AA1030H & 2030H

1200

1100

1050

1000

900

800

7AA1036H & 2036H

1290

1170

1115

1060

1000

920

7AA1042H & 2042H

1500

1360

1295

1230

1160

1070

7AA1048H & 2048H

1900

1800

1700

1600

1500

1350

7AA1060H & 2060H

2200

2100

2000

1900

1800

1650

Air flow ratings of 208-230v. Units are at 230v. Air flow ratings of 480 v. units are at 460 volts. Operation of units at a different voltage

from the rating point will affect air flow.

Note:

Follow local codes and standards when designing duct runs to deliver the required airflow. 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

30/36/42

"N" Ventilation Configuration

420

540

680

"Y", "Z", "B", "J" & "C" Ventilation Configuration

445

495

659

With GreenWheel or GreenCube

590

810

Table 2. Ship Weight (lbs)

MODEL

FILTER TYPE

INCHES

MILLIMETERS

PART

NUMBER

FILTERS

PER UNIT

MERV

RATING

7AA1024H & 2024H

Return Air

Filter

30 x 16 x 1

762 x 406 x 25

80136

7AA1030H/1036H/1042H &

7AA2030H/2036H/2042H

Return Air

Filter

36½ x 22 x 1

927 x 559 x 25

80139

7AA1048H/2060H &

7AA2048H/2060H

Return Air

Filter

18 x 24 x 1

457 x 610 x 25

81199

Intake Air

Filter*

14 x 14 x 1

356 x 356 x 25

80192

N/A

7AA1024H w/GreenWheel ERV

Return Air

Filter

27½ x 13½ x 1 699 x 343 x 25

80769

Intake Air

Filter*

14 x 14 x 1

356 x 356 x 25

80192

N/A

7AA1030H/1036H/1042H &

7AA2036H/2042H

w/GreenWheel ERV

Return Air

Filter

36½ x 22 x 1

927 x 559 x 25

80139

Intake Air

Filter*

14 x 14 x 1

356 x 356 x 25

80192

N/A

*Units with the GreenWheel ERV

Table 3. Filter Sizes

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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