Industrial Climate Engineering ECUA120 Скачать руководство пользователя

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Chapter 1 Description ........................... 5

Chapter 2 Installation ......................... 11

Chapter 3 Start-Up ............................. 20

Chapter 4 Troubleshooting ................. 21

Chapter 5 Maintenance ....................... 24

Chapter 6 Warranty ............................ 25

ECU Installation & Operation Manual

Vertical Air Conditioners

Part Number 02118 12/2014 NEW

Models ECUA90/120

Manufactured By:

Industrial Climate Engineering™ Division of AIRXCEL

, Inc.

P.O. Box 5104 • Cordele, Georgia 31010

2002 Hoover St. • Cordele, Georgia 31015

(229) 273-9558 • Fax (229) 273-5154

E-mail: [email protected] • Internet: www.acice.com

The most current version of this manual can be found at www.acice.com.

Содержание ECUA120

Страница 1: ... Manual Vertical Air Conditioners Part Number 02118 12 2014 NEW Models ECUA90 120 Manufactured By Industrial Climate Engineering Division of AIRXCEL Inc P O Box 5104 Cordele Georgia 31010 2002 Hoover St Cordele Georgia 31015 229 273 9558 Fax 229 273 5154 E mail icesales airxcel com Internet www acice com The most current version of this manual can be found at www acice com ...

Страница 2: ...aying it down on its side may cause oil to leave the compressor and breakage or damage to other components 3 TURN ELECTRICAL POWER OFF AT THE breaker or fuse box BEFORE installing or working on the equipment LINE VOLTAGES ARE HAZARDOUS or LETHAL 4 OBSERVE and COMPLY with ALL applicable PLUMBING ELECTRICAL and BUILDING CODES and ordi nances 5 SERVICE may be performed ONLY by QUALIFIED and EXPERIENC...

Страница 3: ... adjacent to the thermostat END USER Retain these instructions for future reference Table of Contents Chapter 1 Air Conditioner Description Specifications 1 1 General Description 5 1 2 Model Identification 5 1 3 Serial Number Date Code 5 1 4 Air Flow Weights and Filter Sizes 6 1 5 General Operation 6 1 6 Electronic Control Board Mode of Operation 7 1 7 Optional Controls and Packages 8 1 8 Electric...

Страница 4: ...ctrical Schematic 10 Figure 2 Top Flange and Lifting Bracket Installation 15 Figure 3 Wall Mounting Detail 16 Figure 4a Thermostat Connection Diagram 19 Figure 4b CommStat 3 Wiring Detail 19 Tables Table 1 Cooling Performance and Air Flow 6 Table 2 Return Air Filter Sizes 6 Table 3 Shipping Weights Dimensions 6 Table 4 Minimum Clearances 12 Table 5 Voltage Limitations 12 ...

Страница 5: ...g upon state and local code requirements this feature may eliminate the need for an external breaker or disconnect 1 2 Model Identification The model identification number is found on the data sticker Rating plate located on side panel Cabinet Color 100 Beige 200 Gray standard Environmental Control Unit Nominal Cooling 90 90 000 BTUH 120 120 000 BTUH System Type Air Conditioner Electric Heat kW 00...

Страница 6: ...2365 3 8 Table 2 Return Air Filter Sizes MODEL Unit Weight Shipping Weight Shipping Dimensions Height Width Depth LBS KG LBS KG Inches MM Inches MM Inches MM ECUA90 1 053 478 6 1 178 535 5 98 2 489 56 1 422 42 1 067 ECUA120 1 160 527 3 1 285 584 1 98 2 489 56 1 422 48 1 219 Table 3 Shipping Weights Dimensions 1 5 General Operation Refrigerant Cycle Cooling Mode The air conditioners use R 410Arefri...

Страница 7: ...ed Note There is no delay on break if the lockout condition is reset Delay on Make On initial power up only the unit will wait 0 03 to 10 minutes from the cooling Y call before al lowing the contactor to energize The delay can be adjusted by the DOM wheel on the board Factory recommended wait is 3 minutes Low Pressure By Pass Time When starting the low pressure switch LPS fault condition will be b...

Страница 8: ...egnated polyurethane on the condenser coil The Coat all package includes all of the above but also includes an impregnated polyurethane on the evaporator coil and the two layer epoxy urethane on all exterior and interior components and sheet metal Note the internal sheet metal which is insulated and the internal control box are not coated Three Phase Voltage Monitor Continuously measures the volta...

Страница 9: ...The compressor and condenser fan are energized with a contactor controlled by a 24 VAC pilot signal Some compressors incorporate an internal PTC crankcase heater that functions as long as primary power is available The heater drives liquid refrigerant from the crankcase and prevents loss of lubrication caused by oil dilution Power must be applied to the unit for 24 hours before starting the compre...

Страница 10: ...10 ECU 12 2014 NEW Figure 1 Typical Electrical Schematic ...

Страница 11: ...to the freight carrier 2 2 Installation Requirements General 1 Inspect unit for completeness Check for missing parts e g hardware Refer to the installation kit information in section 2 3 2 Remove access panels and check for loose wires Tighten screw connections 3 Complete and mail the warranty registration card You must consider all of the following when choosing the installation site 1 Noise Inst...

Страница 12: ...trical plumbing building and municipal codes Some codes may limit installation to single story structures 7 Electrical Supply The power supply must have the appropriate voltage phase and ampacity for the model selected Voltage must be maintained above minimum specified values listed below Refer to the data sticker on the unit for ampacity requirements Electrical Rating Designations A C D Z Nominal...

Страница 13: ...t take in to account all of these factors and follow best industry practices to provide a safe and secure attachment to the building 14 mounting bolts for unit mounting flanges The length needed is typically the wall thickness plus one inch 25 mm 28 washers 14 hex nuts Silicone Sealer to seal around cracks and openings Minimum 5 conductor low voltage multicolored wire cable i e thermostat wire App...

Страница 14: ...rk The duct system must be engineered to insure sufficient air flow through the unit to prevent over heating of the heater element This includes proper supply duct sizing sufficient quantity of supply registers adequate return and filter area Ductwork must be of correct material and must be properly insulated Duct work must be constructed of galvanized steel with a minimum thickness of 019 inches ...

Страница 15: ...ill a one inch hole in the shelter wall to match this opening Allow sufficient clearance to run 3 4 conduit through the hole and to the unit 2 Lift the unit into position using an appropriate and safe lifting device 3 Make sure that the duct flanges are properly aligned with the wall opening Adjust as necessary 4 Note the holes in each side flange Using the holes for guides drill holes through the...

Страница 16: ...ts of local codes and ordinances Work should be done only by qualified persons The units may incorporate an internal crankcase heater for compressor protection The crankcase heater must be energized for at least 24 hours prior to starting the compressor Scrollcompressors likeseveralothertypesofcompressors willonlycompressinonerotationaldirection The direction of rotation is not an issue with singl...

Страница 17: ... power conductors through the knockouts on the side or back of the unit Use appropriate conduit and strain reliefs CAUTION Note Power supply service must be within allowable range 10 5 of rated voltage stamped on the unit rating plate To operate nominal 230 208V unit at 208V change the transformer line tap from 240V to 208V following the instruction on wiring label in unit 2 Connect the wires to t...

Страница 18: ...d Lag Controller according to the wiring diagram on the specification sheet Remote Signalling Terminals 5 7 N O and 6 7 N C on the air conditioners terminal board are dry contacts which can be used for remote signalling in the event of a c cutoff on low or high pressure limit Continuous fan operation For continuous indoor fan operation on single units install a jumper between terminals 8 and 3 Com...

Страница 19: ...19 ECU 12 2014 NEW Figure 4a Thermostat Connection Diagram Figure 4b CommStat 3 Wiring Diagram ...

Страница 20: ...ate at this time 3 Set the time delay in the control box to three minutes See Section 1 6 4 Slowly lower the thermostat s cooling set point temperature until the switch closes The indoor fan should operate Once the indoor fan turns on allow approximately three minutes for the compressor to start 5 To stop cooling slowly raise the thermostat cooling set point to a temperature higher than the ambien...

Страница 21: ... and good judgement when servicing the air conditioner Use only safe and proven service techniques Use refrigeration goggles when servicing the refrigeration circuit WARNING The refrigerant circuit has hot surfaces and the electrical voltages inside of the unit may be hazardous or lethal SERVICE MAY BE PERFORMED ONLY BY QUALIFIED AND EXPERIENCED PERSONS 4 2 Failure Symptoms Guide PROBLEM SYMPTOM L...

Страница 22: ...ooting section E Water on floor near unit 1 Obstruction in condensate line 2 Obstruction or leak in condensate pan 3 Unit is not level 1 Check for clog or restriction 2 Check pan for leak or blockage 3 Level unit F No space heating or reduced heating units equipped with resistance ele ments 1 Defective heating element s 2 Thermal limit open 3 Defective heater contactor 1 Check resistance element s...

Страница 23: ...tes the lockout fault The control board will enter into and indicate lockout if either of the fault conditions LPS or HPS occur twice The contactor must be closed before the first fault condition can be recognized by the control board The contactor will be closed 3 minutes after the unit is energized and only if cooling is required The first fault condition will open the contactor and shutdown the...

Страница 24: ... before cleaning Be careful not to wet any of the electrical components Be sure the unit has dried before restarting Condenser Periodically inspect the outdoor condenser coil and the cabinet air reliefs for dirt or obstructions Remove foreign objects such as leaves paper etc If the condenser coil is dirty it may be washed off with a commercial solvent intended for this purpose TURN OFF POWER BEFOR...

Страница 25: ...and if the defect is covered under this warranty ICE will honor its warranty and furnish the required replacement part All costs for shipment and risk of loss during shipment of the product or part to ICE and back to the owner shall be the responsibility and liability of the owner Upon written request by an owner ICE may arrange for remote diagnosis of the allegedly defective or malfunctioning pro...

Страница 26: ...26 ECU 12 2014 NEW NOTES ...

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