Pentair NHZ28 Spectracool Instruction Manual Download | Manualshive

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© 2015 Pentair Equipment Protection

89117141

Rev. F

P/N 89117141

SPECTRACOOL

Air Conditioner, HAzArdous LoCAtions

nHz28 ModeL

INSTRUCTION MANUAL

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Summary of Contents for NHZ28 Spectracool

Page 1: ... 2015 PentairEquipmentProtection 89117141 Rev F P N 89117141 SPECTRACOOL Air Conditioner Hazardous Locations NHZ28 Model INSTRUCTION MANUAL ...

Page 2: ... Controller 14 Introduction 14 Energizing the Controller 14 Control Status Indication 14 Displaying and Changing Program Variables 15 Operating Parameters 15 Alarm Parameters 15 Displaying Temperature Sensor 2 15 Compressor Restart Time Delay 15 Alarm Output Contact 15 Alarm Input Connection 16 Alarm Condition Display 16 Remote Access Control 17 Air Conditioner Unit Communication Features 17 USB C...

Page 3: ...emblies evidence of oil etc Damage evident upon receipt should be noted on the freight bill Damage should be brought to the attention of the delivering carrier NOT to Pentair Equipment Protection within 15 days of delivery Save the carton and packing material and request an inspection Then file a claim with the delivering carrier Pentair Equipment Protection cannot accept responsibility for freigh...

Page 4: ... 460 Volt 4 6 50 60 Hz or 60 Hz only 5 Unique set of numbers for each air conditioner which identifies the accessories on a model TECHNICAL INFORMATION GENERAL Sensor 2 monitors the enclosure return air temperature to prevent ice buildup on the evaporator coil If the air temperature drops below 1 C the compressor and condenser air mover s shut off They turn back on when the temperature rises above...

Page 5: ... mm inside diameter tube can be attached to the fitting and routed to a nearby drain WHEN USED WITH PURGE AND PRESSURIZED ENCLOSURES This air conditioner will operate safely in a Class 1 Division 2 Groups A B C and D hazardous location on both exterior and interior sides It does not require a purge and pressurized enclosure but if it is to be installed on one the following should be considered The...

Page 6: ... 2015 PentairEquipmentProtection 89117141 6 SCHEMATICS AND WIRING DIAGRAMS GENERIC 115V SCHEMATIC ACTUAL UNIT OPTIONS MAY VARY GENERIC 230V SCHEMATIC ACTUAL UNIT OPTIONS MAY VARY ...

Page 7: ... 2015 Pentair Equipment Protection 89117141 7 GENERIC 460V SCHEMATIC ACTUAL UNIT OPTIONS MAY VARY ...

Page 8: ... 2015 PentairEquipmentProtection 89117141 8 GENERIC 115V WIRE DIAGRAM ACTUAL UNIT OPTIONS MAY VARY ...

Page 9: ... 2015 Pentair Equipment Protection 89117141 9 GENERIC 230V WIRE DIAGRAM ACTUAL UNIT OPTIONS MAY VARY ...

Page 10: ... 2015 PentairEquipmentProtection 89117141 10 GENERIC 460V WIRE DIAGRAM ACTUAL UNIT OPTIONS MAY VARY ...

Page 11: ... 2015 Pentair Equipment Protection 89117141 11 DIMENSIONAL DRAWING AIR IN CONNECTOR CONTROLLER CONTROLLER COOL AIR IN ...

Page 12: ... a six 6 inch clearance be maintained on at least one side of the air conditioner It is also recommended that twenty 20 inches of clearance be allowed from the front of the unit for cover removal 6 Figure 1 and the cutout template included with the unit will assist in preparing the enclosure for installation of the unit NOTE Mount the unit within 3 from vertical 7 Mount air conditioner on enclosur...

Page 13: ... 2015 Pentair Equipment Protection 89117141 13 Surface Mount Figure 1 Cut out Drawing ...

Page 14: ...zed when power is supplied to the air conditioner CONTROL STATUS INDICATION The display has numerous symbols that indicate if the controller is cooling or alarming if the compressor is enabled and if the ambient fan is enabled The 3 alpha numeric characters further describe alarms and show the cabinet temperature by default SYMBOL COLOR ICON ON ICON FLASHING 1 AMBER Compressor On Start up Request ...

Page 15: ...Cooling turns on at r01 r02 and off at r01 Heating turns on at A04 and off at A04 A05 Functional only on units with heater option ALARM PARAMETERS Parameter Default Value Description P16 125 F High Temperature Alarm P19 40 F Low Temperature Alarm DISPLAYING TEMPERATURE SENSOR 2 Sensor number 2 the air outlet or condenser coil sensor can be viewed at any time by pressing the up or down arrow button...

Page 16: ...ctions with the optional communications board Alarm Mnemonic Description Cause Result Alarm Relay TP General Alarm Door open and or smoke detected Unit turns off for duration of alarm Relay Contacts Close LA High Pressure Warning MALF high pressure switch opens No effect on function N A E1 Air Inlet Temperature Sensor Alarm Sensor Failure Unit turns off for duration of alarm Relay Contacts Close E...

Page 17: ...us TCP and Profinet protocols Customers using their own software can download a MIB file for SNMP EDS file or EtherNet_IP Object file for EtherNet IP and Coil_Register file for Modbus TCP and GSDML file for Profinet Note ACU has a default IP Address of 192 168 1 2 Both Ethernet and USB communication modes allow the ability to Read ACU inlet and outlet air temperatures Read and change Cooling Set p...

Page 18: ... UNIT VALUES To view Air Conditioner Unit values Select the ACU Values tab Select the Enable Comm button the PC Interface will now be communicating with unit To stop communication select the Disable Comm button CHANGING AIR CONDITIONER UNIT VALUES To change ACU Values Select the Settings tab Select the value to change Make the change to the value Select the Change Setting button Change can be veri...

Page 19: ...l now be communicating with unit To stop communication select the Disable Comm button CHANGING AIR CONDITIONER UNIT VALUES To change ACU Values Select the Settings tab Select the value to change Make the change to the value Select the Change Setting button Change can be verified in ACU Values tab VIEWING AND CHANGING ETHERNET INFORMATION To view and change Ethernet Information Select Ethernet Info...

Page 20: ...ling unit Do not attempt to operate the air conditioner while it is horizontal or on its side back or front Factory supplied replacement parts must be used Repaired replaced components must be located and wired in the identical location as the original components Hazardous Location rating may be compromised if the above are not followed Operation of air conditioner in areas containing airborne cau...

Page 21: ...r housing As soon as the compressor temperature has dropped to within the switch s cut in setting the compressor will restart automatically However the above condition will continue to take place until the filter or coil has been cleaned It is recommended that power to the air conditioner be interrupted intentionally when abnormally high compressor operating temperature causes automatic shut down ...

Page 22: ...rpentins du condenseur les ventilateurs et les moteurs Communiquer avec Pentair Equipment Protection pour connaître les recommandations spéciales CAUTION MISE EN GARDE REFRIGERANT LOSS Each air conditioner is thoroughly tested prior to leaving the factory to insure against refrigeration leaks Shipping damage or microscopic leaks not found with sensitive electronic refrigerant leak detection equipm...

Page 23: ...imum Ambient Temp 40 F 40 C Enclosure Airflow 143 CFM External Airflow 288 CFM Condensate Management Hose discharge Optional powered C E Electrical Data Rated Voltage 50 60 Hz 115 V 230 V 460 V Rated Frequency 50 60 Hz 50 60 Hz 50 60 Hz Voltage Range 10 of rated Cooling Amps at Max Conditions 10 2 9 4 4 9 5 0 2 4 2 5 Compressor RLA LRA 8 1 40 0 24 5 24 5 Evaporator Fan RLA 38 36 19 19 Condenser Fa...

Page 24: ...r 89087424SP 89087424SP 89087424SP Controller Wires with pins 24 89083091SP 89083091SP 89083091SP Communication Board 89109039SP 89109039SP 89109039SP Communication Cable 89080313SP 89080313SP 89080313SP Fuse Controller 315mA 89085114SP 89085114SP 89085114SP Encapsulated Compressor Overload 89114216SP 89114217SP 89114217SP Solid State Relay 89114223SP 89114223SP 89114223SP Overload Relay 89115269S...

Page 25: ...5 259 47 263 48 265 120 35 254 38 260 40 266 42 269 43 272 47 280 48 284 50 287 125 36 268 39 274 41 280 43 283 44 287 48 295 50 299 51 302 NHZ280416GXXX 60hz L Suction 5PSIG H Head 10 20PSIG Ambient Temperature F Enclosure Temperature F F 70 80 90 95 100 113 120 125 L H L H L H L H L H L H L H L H 70 22 122 23 124 24 127 24 128 25 129 26 132 27 134 27 135 80 24 149 25 153 26 156 27 157 27 159 29 ...

Page 26: ... 269 58 275 60 280 120 39 250 43 259 47 268 50 273 52 278 57 290 60 296 62 301 125 41 263 45 273 50 282 52 287 54 292 59 304 62 311 64 316 NHZ280426GXXX 60hz L Suction 5PSIG H Head 10 20PSIG Ambient Temperature F Enclosure Temperature F F 70 80 90 95 100 113 120 125 L H L H L H L H L H L H L H L H 70 23 124 26 130 29 135 31 138 32 141 36 148 38 152 40 155 80 26 151 29 157 32 163 34 167 36 170 40 1...

Page 27: ... 2015 Pentair Equipment Protection 89117141 27 NOTES ...

Page 28: ... greater than five seconds Is the cooling mode symbol now on YES proceed to step 4 NO possible problem Defective controller Replace part 4 The evaporator Enclosure or COLD air fan impeller should turn on Is there airflow YES proceed to step 5 NO possible problem Controller in alarm condition See Alarm Condition Display on page 16 Open motor winding Stuck fan impeller Obstructed blades wheel Defect...

Page 29: ... evaporator air in and air out temperatures If the temperatures are the same Possible loss of refrigerant Possible bad valves in compressor Repair or Replace defective part SYMPTOMS AND POSSIBLE CAUSES REMOTE ACCESS CONTROL VERSION SYMPTOM POSSIBLE CAUSE Unit won t cool Clogged fins on coil s Dirty filter Impellers not running Compressor not running Compressor runs but has bad valves Loss of refri...

Page 30: ...r Equipment Protection label affixed to product without written Pentair Equipment Protection approval Pentair Equipment Protection must be notified of a claim in writing not later than fourteen 14 days from the date when Buyer has become aware of such occurrence or where the defect is such that it may cause damage immediately such notice containing a description of how the defect manifests itself ...

Page 31: ...is fee If approval is not received within 30 days material will be scrapped and all shipping expenses and corresponding analysis fees will be billed to Buyer E At Buyer s request Failure Analysis can be provided by Pentair Equipment Protection for warrantable goods at no charge Failure analysis for non warranty repairs are subject to a 150 per hour Engineering charge plus any other incurred testin...

Page 32: ... 2015 PentairEquipmentProtection 89117141 Rev F P N 89117141 Pentair Equipment Protection 2100 Hoffman Way Minneapolis MN 55303 USA 1 763 422 2211 1 763 576 3200 PentairProtect com ...

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