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Summary of Contents for nVent Hoffman SpectraCool N21
- Page 1 We connect and protect SpectraCool Air Conditioner N21 Model Instruction Manual R513A P/N 89115088 Rev. M...
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Page 2: Table Of Contents
TABLE OF CONTENTS Warranty And Return Policy ..................................2 General Safety Instructions ..................................3 Receiving The Air Conditioner ..................................3 Handling And Testing The Air Conditioner ..............................3 Installation Instructions ....................................4 Dimension Drawings ....................................5 Mounting Cutout Dimensions ..................................7 Wire Diagrams And Schematics ..................................8 N21 with Mechanical Thermostat, 115/230 V Wire Diagram ..........................8 N21 with Mechanical Thermostat, 460 V ................................ -
Page 3: General Safety Instructions
GENERAL SAFETY INSTRUCTIONS Observe the following general safety instructions for installation and operation of this product: • This appliance is for installation only in locations not accessible to the general public. • This appliance is not intended for use by persons, including children, with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety. -
Page 4: Installation Instructions
INSTALLATION INSTRUCTIONS 1. Inspect the air conditioner and verify correct functionality before mounting the air conditioner. See HANDLING AND TESTING THE AIR CONDITIONER on page 3. 2. Determine if the unit is to be surface or recess mounted. Using the appropriate cutout dimensions, see Mounting Cutout Dimensions on page 7 of this manual, prepare the enclosure opening for either surface or recess mounting. -
Page 5: Dimension Drawings
DIMENSION DRAWINGS 115/230 Volt Models 9.90 251.5 18.3 1.78 45.1 3.75 95.2 9.88 250.9 8.00 203.2 TERMINAL BLOCK (POWER CONNECTIONS REMOVABLE BEHIND REMOVABLE COVER) HANGING TABS (2X) 20.90 2.38 530.9 60.5 1.50 TSTAT ADJUSTMENT 8.88 38.1 225.6 5.55 MALFUNCTION SWITCH AND DOOR SWITCH LEADS EXIT HERE 2.08 52.8... - Page 6 460 Volt Models 9.90 251.5 18.3 4.25 1.78 45.1 3.75 95.2 9.88 250.9 8.00 203.2 TERMINAL BLOCK (POWER CONNECTIONS REMOVABLE BEHIND REMOVABLE COVER) HANGING TABS (2X) 20.90 2.38 530.9 60.5 1.50 TSTAT ADJUSTMENT 38.1 8.88 225.6 5.55 MALFUNCTION SWITCH AND DOOR SWITCH LEADS EXIT HERE 2.08 52.8...
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Page 7: Mounting Cutout Dimensions
MOUNTING CUTOUT DIMENSIONS 10.00 8.25 22.2 209.6 1.78 45.2 19.1 6.00 152.4 9.37 8.00 13.25 203.2 336.6 20.90 3.38 530.9 85.9 8.88 225.6 5.56 141.2 .312 1.19 7.63 30.1 193.8 89105436 Rev. C 3X .31 9.38 238.3 Cutout Instructions (As viewed from outside of enclosure) Note: Dashed lines represent air conditioner. -
Page 8: Wire Diagrams And Schematics
WIRE DIAGRAMS AND SCHEMATICS N21 with Mechanical Thermostat, 115/230 V Wire Diagram 50/60 HZ 89114751 REV E N21 with Mechanical Thermostat, 460 V Wire Diagram 50/60 HZ 89123111 REV D nVent.com/HOFFMAN... -
Page 9: N21 With Mechanical Thermostat Schematic
N21 with Mechanical Thermostat Schematic 89115115 REV B nVent.com/HOFFMAN... -
Page 10: N21 With Remote Digital Controller, 115/230 V Wire Diagram
N21 with Remote Digital Controller, 115/230 V Wire Diagram 50/60 HZ 89205752 REV D nVent.com/HOFFMAN... -
Page 11: N21 With Remote Digital Controller, 460 V Wire Diagram
N21 with Remote Digital Controller, 460 V Wire Diagram 50/60 HZ 89205777 REV D nVent.com/HOFFMAN... -
Page 12: Component List
COMPONENT LIST N210216GXXX N210226GXXX N210246GXXX 115 V 1-Phase 230 V 1-Phase 460 V 1-Phase Part Description 50/60 Hz 2000 BTU 50/60 Hz 2000 BTU 50/60 Hz 2000 BTU Capacitor, Compressor Run 89107709SP 89106525SP 89106525SP Capacitor, Condenser Impeller 52603215SP 52603214SP 52603214SP C/E heater 10103041SP 10103042SP... -
Page 13: Parts List
PARTS LIST Part Description Part No. Transformer, Controller See Components List Capacitor, Compressor Run See Components List Coil, Evaporator 89050853SP ITEM NO. PART NUMBER DESCRIPTION QTY. Filter, Drier, Refrigerant 52602803SP 10-1006-94 TRANS, CNTL 120-24V,20VA 89107709 Compressor CAP, RUN, 15MFD/250VAC See Components List 89050853 COIL, EVAPORATOR, T20 Filter, Air, Reusable... -
Page 14: Technical Information
TECHNICAL INFORMATION Design Data BTU/HR @ Max Ambient Shipping MOPD Full Load Max Ambient Temperature Weight Model Voltage Phase Amps Cooling Amps Temperature °F/°C lb/kg N210216GXXX 50/60 7.0/7.0 2000/2175 131/55 56/25 N210226GXXX 50/60 3.5/3.5 2000/2175 131/55 56/25 N210246GXXX 50/60 2000/2175 131/55 66/30 Note: XXX will be replaced with a three-digit number designating all desired options. -
Page 15: Heating Thermostat
MAINTENANCE Performing preventative maintenance (PM) helps to keep your nVent HOFFMAN AC unit operating at the highest most efficient levels. Maintenance should be performed at least twice a year, more frequently when in challenging conditions, such as dusty, high humidity, high heat, oily or corrosive environments. -
Page 16: How To Remove, Clean Or Install A New Inlet Air Filter
How to remove, clean or install a new inlet air filter Research Products (RP) aluminum washable air filters are designed to provide excellent filtering efficiency with a high dust holding capacity and a minimum amount of resistance to air flow. Because they are constructed entirely of aluminum they are lightweight and easy to service. Optimum filter performance is maintained by recoating the filters after washing with RP Super Filter Coat adhesive. -
Page 17: Preventative Maintenance/Inspection
PREVENTATIVE MAINTENANCE/INSPECTION Maintenance/Inspection Recommendations (Perform at least 2 times per year – more frequently as required by operational environment) Last Completed Check Point Description Date Date Date Date Run unit through all modes of operation and record temperatures, Operational Inspection voltages, and amperes Comments: Visually inspect unit for damage, cleanliness, missing, loose, or... -
Page 18: Trouble Shooting
TROUBLE SHOOTING Compressor wont start (Unit w/ Manual Tstat) Possible Causes: Replace capacitor(s) - Bad Cooling If applicable: Check Is the enclosure temp Do you have voltage Contactor / Relay capacitor(s) for 10°F above set point. at compressor? - Loose Wiring proper capacitance. - Page 19 “Unit wont Cool” w/ Manual Tstat 115 V/230 V/460 V Does the unit have correct Correct voltage and retest.OR supply voltage? Contact certified electrician. Clean and re-test 115 V/ 460 V 260 V Contact Is the phase Is the Verify filter Is the Does Technical...
- Page 20 Evaporator Coils Freezing (Unit w/ Manual Tstat) Possible Causes: - Electrical Possible Causes: connections Are the evaporator Is there - Faulty electrical connections for one or both fans. - Bad fan and condenser voltage to the Condenser Fan: fan(s) running? inoperable fan? - Bad HPC (if equipped) Does the capacitor...
- Page 21 Unit Tripping Breaker (Controller or Manual Tstat) Check power connections and Does breaker components for possible short circuit. trip instantaneosly? Verify correct power supply. Is the compressor shorted Does breaker trip when Replace Compressor to ground? Compressor comes on? Are fuse/breaker the correct type Check electrical connections and component amp draw.
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Page 22: F-Gas Information
For additional technical support: • Call 763-422-2211 or • Email cooling.service@nVent.com or • Download Field Service Request (FSR) from: http://HOFFMAN.nVent.com/en-us/cooling-field-service-request F-GAS INFORMATION N210216GXXX N210226GXXX N210246GXXX Refrigerant Kühlmittel R513A Chłodziwo Factory Charge 184 Grams Füllmenge durch Hersteller 184 Gramm Opłata Fabryczna 184 Gramów Equivalent 0.105 Tons... - Page 23 nVent.com/HOFFMAN...
- Page 24 nVent 2100 Hoffman Way Anoka, MN 55303 USA Tel +1.763.422.2211 Fax +1.763.576.3200 Our powerful portfolio of brands: ©2024 nVent. All nVent marks and logos are owned or licensed by nVent Services GmbH or its affiliates. All other trademarks are the property of their respective owners.
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