Delta-T DI-01A-D48 Series User'S & Technical Manual Download Page 1 | Manualshive

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User & Technical Manual

DI-01A-D48 Series

Rev 2.3

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Summary of Contents for DI-01A-D48 Series

Page 1: ...User Technical Manual DI 01A D48 Series Rev 2 3 ...

Page 2: ...018 B Slotnick Updated warranty 2 0 02 21 2019 B Slotnick Updated mounting instructions alarm settings RMA procedure 2 1 06 20 2019 B Slotnick Updated preliminary testing instructions compressor protection default setting field serviceable parts 2 2 08 19 19 B Slotnick Updated preventative maintenance warranty information 2 3 06 03 20 B Slotnick Updated System Faults Alarm Signals Warranty Stateme...

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: ...he Equipment ISC Inc 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 ensure 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...

Page 5: ...record the data from the label to 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 conditi...

Page 6: ...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 and turn on the power switch The evaporator fan will start and the digital controller will power up If cooling is called for the compressor will start in 3 minutes If desired change the cooling set point...

Page 7: ...o let any cutting debris fall into the enclosure Hang the air conditioner on the easy hang flange and from inside the enclosure use the fasteners supplied to attach the air conditioner to the enclosure Screw all fasteners hand tight Then torque to 96 in lbs These fasteners should be checked periodically to ensure that they have not become loose due to vibration The air conditioner is provided with...

Page 8: ...mbient 125 F Unit Weight 30 lbs 120VAC Model Operating Voltage Range Volts Loading Current Running Current Amps SCCR Short Circuit Current Rating Amps Recommended Fuse Selection Amps KVA Rating Refrigerant Type Refrigerant Amount ounces Low High Unit Pressures psi DI 01A D48 43 53 VDC 3 7 8 Amp Fast Acting 0 178 R134a 6 0 81 190 SCCR rating is based on the SCCR rating for the circuit protection de...

Page 9: ...4421 Tradition Trail Plano Texas 75093 972 964 2700 800 836 7472 URL www iscenclosurecooling com Email iscinfo iscsales com SP ENG 211 D48 02 Rev 2 3 9 P a g e THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 10: ...int Default Settings 105 F Dry Contact High Temperature Alarm Set Point 2 F Recovery Differential 3min Temperature Alarm Delay At the default settings the Dry Contact initial conditions are normally open and or normally closed When the unit is powered on and the temperature exceeds 105 F for a period longer than 3 minutes the Dry Contact will activate At this time the normally open contact will cl...

Page 11: ...oor Kill Switch This option provides you with an adjustable and mountable safety switch for your electronics enclosure This switch will disable power to the air conditioner when your electronics enclosure door is open allowing you to work on your enclosure without the risk of unintentionally powering the unit Adjustable Temperature Probe The adjustable temperature probe provides you with a 12 temp...

Page 12: ...ils are available with electrostatically applied epoxy coating to prevent corrosion Three options are available to protect the air conditioner from premature failure due to corrosion A Level Protection Coated condenser coils Included in NEMA Type 4X units Available in NEMA Types 12 and 4 B Level Protection Coated condenser and evaporator coils Available in NEMA Types 12 4 and 4X C Level Protection...

Page 13: ...inute time delay A thermal overload protects the compressor against faults In the event that the snowflake status LED is on but is not flashing and the compressor is not running an internal fault may have occurred 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 change a...

Page 14: ...ue 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 for more than 3 se...

Page 15: ...arm Only 2 HA2 Condenser High Temperature Alarm P2 153 F for 3 minutes Compressor turned Off by pressure switch if temperature continues to rise 2 LA2 Condenser Low Temperature Alarm P2 50 F for 3 minutes No Action Alarm Only 2 CA Evaporator Coil Alarm Low Pressure for 2 minutes Compressor Off 2 noP Invalid Probe Selected Low Evaporator Coil No Action Alarm Only 2Note When both Heater and Dry Cont...

Page 16: ...e Keep fan blades clean for optimal performance Fans are removable and attached by plug in connections Compressor ISC Inc uses hermetically factory sealed compressors that are quiet low vibration and are maintenance free Thermal overload devices are installed to protect the compressor from damage due to overheat and short cycle faults If the compressor thermal overload fails it is recommended to r...

Page 17: ...ature Probe Mounting Clip 52126 250C Thermal Expansion Value TXV 32023 1 Compressor 31659 1 Gasket Installation Kit 71410 CS01 Evaporator Fan 41002 2 1 Condenser Fan 41002 2 1 Note Qty 2 Safety Information Unit is carefully designed to restrict access to movable parts to minimize any potential injury This Air Conditioner has been tested by UL to meet the safety requirements of the UL484 specificat...

Page 18: ...osition 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 Air Inlet Blocked Clean Air Inlet Section 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 YES P...

Page 19: ... Use meter3 Check for faulty evaporator fan3 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 Pr...

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: ... Physical Dimensions 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 211 D48 02 Rev 2 3 22 P a g e THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 23: ...les com SP ENG 211 D48 02 Rev 2 3 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: ...t 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 environmental conditions without the proper filtration sealing protective coatings and or weather protection or cosmetic corrosion that does not affect operation Damage to hermetic system resulting from continuous operation with dirty...

Page 25: ...nd contact info email phone number and 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 ...

Page 26: ...he left connect 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...

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