Delta-T DI-02A Series User'S & Technical Manual Download Page 22 | Manualshive

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4421 Tradition Trail ● Plano, Texas 75093 ● 972-964-2700 ● 800-836-7472

URL:

www.iscenclosurecooling.com

● Email:

[email protected]

SP-ENG-210-100-08 Rev 3.0

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Summary of Contents for DI-02A Series

Page 1: ...User Technical Manual DI 02A Series Rev 3 0 ...

Page 2: ... 4 07 25 16 B Slotnick Added circuit breaker recommendation 2 5 01 03 17 B Slotnick Update replacement parts list electrical schematic 2 6 01 17 17 B Slotnick Corrected unit weight 2 7 07 03 17 B Slotnick Changed Outdoor Option to Remote Controller 2 8 08 31 17 B Slotnick Updated replacement temperature probe information 2 9 10 05 2017 B Slotnick Added replacement parts to warranty statement new l...

Page 3: ...oving the Air Conditioner 5 Unit Label 5 Operation 6 Preliminary Testing 6 Mounting the Air Conditioner 7 Unit Specifications 8 Options 10 System Faults 13 Digital Temperature Controller Programming 13 Preventative Maintenance 16 Field Serviceable Parts 17 Safety Information 17 Troubleshooting Guide 18 Physical Dimensions 21 Electrical Schematic 23 Warranty Information 24 Return Material Authoriza...

Page 4: ...ment DELTA T air conditioning equipment is designed manufactured and packed to prevent damage from normal handling shock and vibration during shipment It is necessary to inspect your equipment upon receipt to insure that there is no visual or hidden damage Upon receipt of the equipment ensure that it is always top side up as indicated by THIS SIDE UP labels This ensures that the compressor oil is ...

Page 5: ... the template below and keep this information in a safe place for warranty and ordering parts To prevent damage to equipment electrical panel and wiring and to prevent personal injury assure that the power source is compatible with the equipment before operating When recharging refrigeration type and amount must be the same as shown on the unit label or air conditioner will not operate properly or...

Page 6: ...d wire and neutral wire installation per 2008 NEC Assure that the electric power is protected by a circuit protection device refer to the Unit Specification section in this manual for proper circuit protection sizing Connect a power source to the air conditioner to start the evaporator fan and if desired change the set point Refer to Digital Temperature Controller Programming section on this manua...

Page 7: ...re use the fasteners supplied to attach the air conditioner to the enclosure Ensure that these fasteners are tight in order to prevent the unit from falling off the enclosure These fasteners should be checked periodically to ensure that they have not become loose due to vibration The air conditioner is provided with a power cord or a power terminal block Ensure that the power supplied is compatibl...

Page 8: ...it Current Rating Amps Recommended Fuse Selection Amps KVA Rating Refrigerant Type Refrigerant Amount ounces Low High Unit Pressures psi DI 02A 126 110 120 10 63 4 1 2 7 Amp Class CC CCMR Time Delay 0 5 R134a 12 00 59 195 DI 02A 236 220 240 8 84 2 00 2 4 Amp Class CC CCMR Time Delay 0 5 R134a 12 00 64 203 HACR Type Circuit Breakers or Time delay Fuses with the following electrical characteristics ...

Page 9: ...4421 Tradition Trail Plano Texas 75093 972 964 2700 800 836 7472 URL www iscenclosurecooling com Email iscinfo iscsales com SP ENG 210 100 08 Rev 3 0 9 P a g e THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 10: ...ow current in the compressor motor during the non cooling state This option provides internal heat to the compressor to protect it from stalls and hard starts during long periods of compressor off state Dry Contact This option provides an early warning capability to your enclosure to aid in the protection of your expensive equipment The Dry Contact is programmed with an individual dry contact set ...

Page 11: ...0 Watt 650 Watt 950 Watt Default Settings 55 F Heat Set Point 3 F Differential At the default settings the heater output turns on at 52 F and operates until the temperature has reached 55 F Refer to Advanced Digital Temperature Controller Programming section on this manual for details on changing these parameters Special Programming All DELTA T Air Conditioners have a Special Programming option fo...

Page 12: ...re at any specific location of your enclosure Ethernet IP Controller Output This option provides the ability to communicate with the DELTA T Air Conditioner controller via the Ethernet IP protocol You can monitor and control all settings from a remote location with a PLC Full specifications will be provided with this option For full details refer to the Ethernet IP Option Specifications included w...

Page 13: ...e delay A thermal overload protects the compressor against faults In the event that the snowflake status LED is not flashing on the display and the compressor is not running an internal fault may have occurred on the unit Refer to the Troubleshooting Guide in this manual Digital Temperature Controller Programming For the end user this section will provide all the necessary information to view and ...

Page 14: ... display its value 4 Use the UP or DOWN arrow key to change its value 5 Press SET to store the new value and move to the following parameter To exit Press SET UP arrow keys or wait 15 seconds without pressing a key Note The set value is stored even when the procedure is exited by waiting for the time out to expire HOW TO LOCK THE KEYPAD 1 Press and hold the UP and DOWN arrow keys simultaneously fo...

Page 15: ... start up delay No Output 2 HA2 Condenser High Temperature Alarm P2 145 F for 3 minutes Compressor Off 2 LA2 Condenser Low Temperature Alarm P2 50 F for 3 minutes No Output 2 CA Evaporator Coil Alarm Low Pressure for 2 minutes Compressor Off 2 noP Invalid Probe Selected Low Evaporator Coil No Output Display Only 2Note When both Heater and Dry Contact options are included Dry Contact Alarm Contact ...

Page 16: ...ay bottle is recommended to enhance air filter efficiency Replacement filters are readily available from ISC Customer Service DO NOT operate the air conditioner without the air filter Such operation will allow the condenser coil to become dirty and loose efficiency causing overheating and diminished cooling capacity Dirty condensing coils must be back flush cleaned using proper commercial coil cle...

Page 17: ...32023 1 Compressor 31003 1 for 120VAC 31610 1 for 230VAC Compressor Thermal Overload 31003 2 for 120VAC 31610 2 for 230VAC Gasket Installation Kit 71407 CS02 Evaporator Fan 41005 1 1 for 120VAC 41005 2 1 for 230VAC Condenser Fan 41025 1 2 for 120VAC 41025 2 2 for 230VAC Filter Media Part 44201 12 pack Capacitor 54002 1 for 120VAC 54040 1 for 230VAC Safety Information Unit is carefully designed to ...

Page 18: ...on position ON OFF Toggle Switch then Retry Verify input power meets voltage requirements as shown in the UL label YES If problem is still present contact technical support Unit Overheats Insufficient Cooling Is Filter Clean NO Clean Replace Filter YES Are Condenser Evaporator Fans ON NO Check for Faulty Fan replace YES Is Condenser Coil dirty YES Clean Coil NO NO Is Evaporator Coil Frozen Iced YE...

Page 19: ...Use meter 3 Check for faulty evaporator fan 3 Measure Temperature at Evaporator Verify Heat Load Requirements Is unit capacity adequate for internal head load Possible low refrigerant Is compressor thermal overload open Use ohm meter 3 Check for error code CA LA HA LA2 HA2 P1 or P2 YES NO Check contactor circuit Does it have power 3 NO YES Refer to Alarm Signals in Digital Temperature Controller P...

Page 20: ...controller CA YES NO Check Low Pressure Switch Connections and Verify Pressure switch is closed Use meter 3 P1 or P2 NO YES Check probe connections potential faulty probe LA LA2 HA HA2 YES Refer to Alarm Signals in Digital Temperature Controller Programming Section Fuse Circuit Protection Nuisance Trip Is fuse opening as soon as unit turns on NO YES Check incoming power supply and connections for ...

Page 21: ...Dimensions 120 230 VAC Models Water overflow excessive Check drain is it plugged YES NO Clean condensate pan and drain add 1 tbsp bleach to upper pan monthly to kill mold Is Air Conditioner sealed against enclosure properly tightly sealed and door closed YES Contact Customer Service NO Ensure air tight seal between air conditioner and enclosure Make sure door is closed ...

Page 22: ...4421 Tradition Trail Plano Texas 75093 972 964 2700 800 836 7472 URL www iscenclosurecooling com Email iscinfo iscsales com SP ENG 210 100 08 Rev 3 0 22 P a g e THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 23: ...les com SP ENG 210 100 08 Rev 3 0 23 P a g e Electrical Schematics System Schematic Digital Controller Schematic Note Schematics apply to all voltages optional accessories wiring not provided in this document If you require electrical schematic with options contact our technical support and provide your model number ...

Page 24: ...n are furnished ISC assumes no liability beyond the repair or replacement of its own product This Warranty does not cover Labor or reimbursement of labor for evaluation removal installation repair or cost of any warranted part except at the ISC factory in Dallas Texas Use of equipment for other than its designed purpose or operating conditions Operation in harsh oily corrosive or other abnormal en...

Page 25: ...d address Shipping method Pack unit in a suitable packing for shipment preferably the original packaging if available If suitable packing is not available arrange for packaging to be shipped to you Air Conditioners must be returned in an upright position properly secured to a pallet Tip unit to empty water from the evaporator and boil off pans Clearly mark the RMA number on the box Customer will p...

Page 26: ...nnect the wires by inserting them into the lower receptacles located on the front of connector in the following order NOTE If using stranded wires it may be difficult to insert into the receptacles without releasing the spring tension as described below in the removal instructions The wires can be tinned or pin terminals as shown above or pin ferrules may be attached to stranded wires to ease inse...

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