Pentair SPECTRACOOL N28 User Manual Download | Manualshive

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© 2014 Pentair Equipment Protection

89074139

Rev. I

P/N 89068449

SPECTRACOOL™

Air Conditioner

n28 Model

INSTRUCTION MANUAL

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Summary of Contents for SPECTRACOOL N28

Page 1: ... 2014PentairEquipmentProtection 89074139 Rev I P N 89068449 SPECTRACOOL Air Conditioner N28 Model INSTRUCTION MANUAL ...

Page 2: ...COMPRESSOR RESTART TIME DELAY 13 ALARM OUTPUT CONTACT 13 ALARM INPUT CONNECTION 14 ALARM CONDITION DISPLAY 14 AIR CONDITIONER UNIT COMMUNICATION FEATURES 14 USB COMMUNICATION 14 ETHERNET COMMUNICATION 14 USING THE PC INTERFACE TOOL 15 USB COMMUNICATION MODE 15 ETHERNET COMMUNICATION MODE 16 Remote Access Control Pin out 17 Schematics and Wiring Diagrams for Remote Access Control 18 Generic 1 Phase...

Page 3: ... ENCLOSURE Refer to the nameplate for proper electrical current requirements and then wire the unit to a properly grounded power supply using copper conductors only Power supply wiring should be restrained after field installation to ensure no contact with internal fan Minimum circuit ampacity should be at least 125 of the amperage shown on the unit nameplate No other equipment should be connected...

Page 4: ...ATION THERMOSTAT The standard G28 air conditioner uses our standard 10 1061 16 thermostat The thermostat setpoint equals the temperature that the air conditioner turns off The thermostat has a 10 F differential from setpoint until it calls for cooling or heating An example of operation is shown below FOR COOLING 75 100 F RANGE Thermostat setpoint 80 F Cooling turns on at 90 F Cooling turns off at ...

Page 5: ...otection 89074139 5 SCHEMATICS AND WIRING DIAGRAMS FOR THERMOSTAT CONTROL GENERIC 1 PHASE SCHEMATIC EXCEPT 230V 50HZ ACTUAL UNIT OPTIONS MAY VARY 89074302 GENERIC 230V 50HZ 1 PHASE SCHEMATIC ACTUAL UNIT OPTIONS MAY VARY 89074303 ...

Page 6: ... 2014 Pentair Equipment Protection 89074139 6 GENERIC 3 PHASE SCHEMATIC ACTUAL UNIT OPTIONS MAY VARY 89079267 ...

Page 7: ...0 BRN26 1 3 MALF SWITCH OPTIONAL 2 YEL NO RED COM BLU NC BLU29 COMP HTR OPTIONAL OPTIONAL SUPPRESSOR THERMAL DISPLAY OPT TO THERMAL 115 230 V 10 V DISPLAY WHT41 BLK40 DOOR SWITCH OPT RED62 T FORMER BLK60 WHT61 YEL65 RELAY 0 1 4 8 2 6 YEL10 YEL10 OR YEL65 WHT63 WHT64 BLK27 BLK28 SWITCHES LIMIT GRN YEL21 POWER BLOCK 1 2 WHT15 FAN ENCLOSURE BLK14 BLK14 WHT7 BLK11 3 R START CAPACITOR BLK23 C BLK 115V ...

Page 8: ...26 1 3 MALF SWITCH OPTIONAL 2 YEL NO RED COM BLU NC BLU29 COMP HTR OPTIONAL OPTIONAL SUPPRESSOR THERMAL DISPLAY OPT TO THERMAL 115 230 V 10 V DISPLAY WHT41 BLK40 DOOR SWITCH OPT RED62 T FORMER BLK60 WHT61 YEL65 RELAY 0 1 4 8 2 6 YEL10 YEL10 OR YEL65 WHT63 WHT64 BLK27 BLK28 SWITCHES LIMIT 1 2 WHT15 FAN ENCLOSURE BLK14 BLK14 WHT7 BLK11 3 R START CAPACITOR BLK23 C WHT WHT 4 BLU19 BLU21 BLU22 200 COM ...

Page 9: ... 2014 Pentair Equipment Protection 89074139 9 GENERIC 3 PHASE WIRE DIAGRAM ACTUAL UNIT OPTIONS MAY VARY 89079266 ...

Page 10: ...74139 10 DIMENSIONAL DRAWING WITH THERMOSTATS 1 5 86 80 180 1 7 5 7 5 38 6 287 5217 22 5 287 1 2685 5 1 5 029 1 1 7 6 81 02817 1 2 6 22 1 7 67 7 7 1 7 67 7 237 21 237 21 66 3 1 21 25 81 76 7 7 5 66 2 72 2 5 1 678 0 17 5 1 50 5 287 89068456 ...

Page 11: ...d as this could cause rips or tears in the gasket and risk losing the water tight seal 4 Allow unit to remain upright for a minimum of five 5 minutes before starting CAUTION Air conditioner must be in upright position during operation 5 Refer to the nameplate for electrical requirements Wire the unit to a properly grounded power supply Electrical circuit should be fused with slow blow or HACR circ...

Page 12: ...utilizing Modbus RTU ENERGIZING THE CONTROLLER The controller is wired and programmed at the factory to be energized when power is supplied to the air conditioner CONTROL STATUS INDICATION The display has numerous symbols that indicate if the controller is heating cooling alarming if the compressor is enabled and if the ambient fan is enabled The 3 alpha numeric characters further describe alarms ...

Page 13: ... 60 F Heating set point A05 7 F Heating differential 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 viewe...

Page 14: ...F Compressor and Evaporator fan off for duration of alarm Relay Contacts Close AIR CONDITIONER UNIT COMMUNICATION FEATURES Air conditioner units equipped with communication capabilities provide SNMP EtherNet IP and Modbus TCP protocols through Ethernet and Modbus RTU protocol via USB Hoffman Cooling has a PC Interface Tool available for download that can utilize either mode to communicate with the...

Page 15: ...R 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 ver...

Page 16: ...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 17: ... 12 YEL39 C5 6 YEL38 NA x 5 NA NA x 11 NA U2 INPUTS ALARM INPUT CONNECTION ID1 8 WHT63 MALFUNCTION NC SWITCH ID2 1 BLU88 NA ID3 na 9 BLU NA ID4 na 2 BLU NA ID5 na 10 BLU DIGITAL INPUT GROUND ID GND 3 BLU NA Y na 4 NA NA GND na 5 NA T1 EVAP IN THERMISTOR B1 13 RED T2 EVAP OUT THERMISTOR B2 12 RED T1 T2 GND GND 6 WHT NA B3 11 NA CONTROLLER POWER G 7 BLK40 CONTROLLER POWER G0 14 WHT41 U3 DATA POWER 1...

Page 18: ...ment Protection 89074139 18 SCHEMATICS AND WIRING DIAGRAMS FOR REMOTE ACCESS CONTROL GENERIC 1 PHASE SCHEMATIC EXCEPT 230V 50HZ ACTUAL UNIT OPTIONS MAY VARY GENERIC 230V 50HZ 1 PHASE SCHEMATIC ACTUAL UNIT OPTIONS MAY VARY ...

Page 19: ... 2014 Pentair Equipment Protection 89074139 19 GENERIC 1 PHASE WIRE DIAGRAM FOR REMOTE ACCESS CONTROL ACTUAL UNIT OPTIONS MAY VARY ...

Page 20: ... 2014 Pentair Equipment Protection 89074139 20 230V 50HZ 1 PHASE WIRE DIAGRAM FOR REMOTE ACCESS CONTROL ACTUAL UNIT OPTIONS MAY VARY ...

Page 21: ...pment Protection 89074139 21 DIMENSIONAL DRAWING WITH REMOTE ACCESS CONTROL 1 5 86 80 180 1 7 5 7 5 38 6 287 5217 7521 21752 5 22 5 287 1 2685 5 1 5 029 1 1 7 6 81 02817 1 2 6 66 2 72 2 5 1 678 0 17 5 1 50 5 287 89082927 ...

Page 22: ... the enclosure Avoid dragging the air conditioner on the enclosure with the mounting gasket attached as this could cause rips or tears in the gasket and risk losing the water tight seal 4 Allow unit to remain upright for a minimum of five 5 minutes before starting CAUTION Air conditioner must be in upright position during operation 5 Refer to the nameplate for electrical requirements Wire the unit...

Page 23: ...essor will stop operating due to actuation of the thermal overload cut out switch located on the compressor 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 i...

Page 24: ...ronic refrigerant leak detection equipment during manufacture may require repair or recharging of the system This work should only be performed by qualified professionals generally available through a local reputable air conditioning repair or service company Should the refrigerant charge be lost access ports on the suction and discharge sides of the compressor are provided for recharging and or c...

Page 25: ...CFM External Airflow 288 CFM Condensate Management Hose discharge Optional powered C E Heating Data Capacity 1300 W N A Electrical Data Rated Voltage 50 60 Hz 115 V 230 V 230 V 460 V Rated Frequency 50 60 Hz 60 Hz 50 Hz 60 Hz Voltage Range 10 of rated Cooling Amps at Max Conditions 11 6 11 2 6 5 5 8 3 3 Heating Amps 12 2 6 2 6 2 N A Compressor RLA LRA 8 1 40 0 24 5 5 3 24 5 Evaporator Fan RLA 38 3...

Page 26: ...6028 00 52 6028 00 52 6028 00 Head Pressure Control Switch option 52 6104 26 52 6104 26 52 6104 26 52 6104 26 Impeller Condenser 10 1091 123 10 1091 124 10 1091 124 10 1091 124 Fan Evaporator 10 1012 01 10 1012 02 10 1012 02 10 1012 02 Relay Compressor Start 89074581 89074580 89074580 89074580 Capillary Tube 99 0540 50 99 0640 55 99 0640 55 99 0640 55 Thermostat SPDT 55 100F 10 1061 16 10 1061 16 ...

Page 27: ... 2014 Pentair Equipment Protection 89074139 27 NOTES ...

Page 28: ...7 255 49 259 50 262 120 37 249 40 255 42 261 44 264 45 267 49 275 51 279 52 282 125 38 262 41 268 44 274 45 277 47 281 51 289 53 293 54 296 N280416GXXX 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 21 123 22 125 24 128 24 129 25 130 26 133 27 135 28 136 80 24 148 25 152 27 155 27 156 28 158 30 16...

Page 29: ...9 270 62 274 64 279 120 43 247 48 257 52 266 54 271 56 276 62 290 65 295 67 300 125 45 260 49 270 54 280 56 285 58 290 64 305 67 310 69 315 N280426GXXX 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 27 125 30 131 33 136 35 139 36 142 41 149 42 153 44 156 80 30 151 33 157 36 164 38 167 39 170 44 17...

Page 30: ...ient or HOT air impellers for airflow Is there airflow YES proceed to step 6 NO possible problem Defective thermostat Open motor winding Stuck impeller motor Obstructed wheel Repair or Replace defective part 6 Carefully check the compressor for operation motor should cause slight vibration and the outer case of the compressor should be warm Is the compressor showing signs of this YES wait 5 minute...

Page 31: ...ant Compressor tries to start but won t run Low line voltage at start Should be 10 rated voltage Compressor motor stuck Bad contactor Bad overload switch Bad run start capacitor Unit blows breakers Undersized breaker fuse or not time delayed Short in system Getting water in enclosure Drain plugged Drain tube kinked Enclosure not sealed allowing humidity in Mounting gasket damaged For additional te...

Page 32: ...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 14 Open motor winding Stuck fan impeller Obstructed blades wheel Defective motor capacitor Repair or Replace defective part 5 Start the cooling cycle by...

Page 33: ...efrigerant 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 refrigerant Compressor tries to start but won t run Low line voltage at start Should be 10 rated vol...

Page 34: ... 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 Failure to provide such prompt notice to Pentair Equipment Protection shall result in forfeiture of Buyer s rights under this warranty In the event of a warranty claim Buyer is to return defective goods to Pentair Equipment Pr...

Page 35: ...Equipment Protection for warrantable goods at no charge Failure analysis for non warranty repairs are subject to a 100 per hour Engineering charge plus any other incurred testing costs F All returned merchandise must be sent to the following address Pentair Equipment Protection 2100 Hoffman Way Anoka MN 55303 1745 G Credit for accepted returns shall be at the original selling price or the current ...

Page 36: ... 2014PentairEquipmentProtection 89074139 Rev I P N 89068449 Pentair Equipment Protection 2100 Hoffman Way Minneapolis MN 55303 USA 1 763 422 2211 1 763 576 3200 PentairEquipmentProtection com ...

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