AAON RN Series Installation Operation & Maintenance
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AAON RN Series Installation Operation & Maintenance

E cabinet; packaged rooftop units & outdoor air handling units
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Installation, Operation,
WARNING
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings
exactly could result in serious
injury, death or property damage.
Be sure to read and understand
the installation, operation, and
service instructions in this manual.
Improper installation, adjustment,
alteration, service, or maintenance
can cause serious injury, death, or
property damage.
A copy of this IOM must be kept
with the unit.
Packaged Rooftop Units
& Outdoor Air Handling Units
& Maintenance
o Do not store gasoline or other flammable
o WHAT TO DO IF YOU SMELL GAS
o Startup and service must be performed by a
RN Series
E Cabinet
vapors and liquids in the vicinity of this or any
other appliance
 Do not try to light any appliance.
 Do not touch any electrical switch; do not
use any phone in your building.
 Leave the building immediately.
 Immediately call your gas supplier from a
phone remote from the building. Follow the
gas supplier's instructions.
 If you cannot reach your gas supplier, call
the fire department.
Factory Trained Service Technician.
WARNING

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Summary of Contents for AAON RN Series

  • Page 1 RN Series E Cabinet Packaged Rooftop Units & Outdoor Air Handling Units Installation, Operation, & Maintenance WARNING WARNING o Do not store gasoline or other flammable FIRE OR EXPLOSION HAZARD vapors and liquids in the vicinity of this or any...

  • Page 3: Table Of Contents

    Table of Contents ® AAON RN Series E Cabinet Features and Options Introduction ..........6 Safety .............................. 7 RN Series E Cabinet Feature String Nomenclature ..............13 General Information ........................23 Codes and Ordinances ......................24 Receiving Unit .......................... 24 Storage ............................
  • Page 4 Table 1 - RN Series E Cabinet Unit Clearances ................26 Table 2 - Nameplate Voltage Markings & Tolerances ..............30 Table 3 - RN Series E Cabinet Variable Speed Compressor VFD Frequency Range ....32 Table 4 - Control Wiring....................... 33 Table 5 - Draw-Through Drain Trap Dimensions ................
  • Page 5 Figure 18 - Defrost Timer ......................64 Figure 19 - Temperature Dial ....................... 64 Figure 20 - RN Series E Cabinet Gas Heat Exchanger ..............66 Figure 21 - Example 55, 65 and 75-140 ton for across the Roof Gas Piping ....... 69 Figure 22 - Gas Heater Instructions ....................

  • Page 6: Aaon Rn Series E Cabinet Features And Options Introduction

    ® AAON RN Series E Cabinet Features and Options Introduction Energy Efficiency Installation and Maintenance  Direct Drive Backward Curved Plenum  Clogged Filter Switch Supply Fans  Color Coded Wiring Diagram  Variable Speed R-410A Scroll  Compressors in Isolated Compartment Compressors ...

  • Page 7: Safety

    Safety Attention must be paid to the following statements: NOTE - Notes are intended to clarify the unit installation, operation, and maintenance. CAUTION - Caution statements are given to prevent actions that may result in equipment damage, property damage, or personal injury. WARNING - Warning statements are given to prevent actions that could result in equipment damage, property damage, personal injury or death.
  • Page 8 WARNING WARNING FIRE, EXPLOSION OR CARBON During installation, testing, servicing, MONOXIDE POISONING HAZARD and troubleshooting of the equipment it may be necessary to work with live Failure to replace proper controls electrical components. Only could result in fire, explosion, or qualified licensed electrician...
  • Page 9 WARNING WARNING GROUNDING REQUIRED UNIT HANDLING All field installed wiring must be To prevent injury or death lifting completed by qualified personnel. equipment capacity shall exceed unit Field installed wiring must comply with weight by an adequate safety factor. NEC/CEC, local and state electrical Always test-lift unit not more than 24 code requirements.
  • Page 10 WARNING WARNING WATER PRESSURE Some chemical coil cleaning compounds are caustic or toxic. Use Prior to connection of condensing these substances only in accordance water supply, verify water pressure is with manufacturer’s usage less than maximum pressure shown instructions. Failure follow on unit nameplate.
  • Page 11 Failure of the condenser as a result of 2. Use only with type of the gas approved chemical corrosion is excluded from for the furnace. Refer to the furnace rating coverage under AAON Inc. warranties plate. heat exchanger manufacturer’s warranties.
  • Page 12 6. The supply and return air ducts must be 8. Every unit has a unique equipment derived from the same space. It is nameplate with electrical, operational, recommended ducts be provided with and unit clearance specifications. Always access panels to allow inspection for duct refer to the unit nameplate for specific tightness.

  • Page 13: Rn Series E Cabinet Feature String Nomenclature

    RN Series E Cabinet Feature String Nomenclature - 0 0 0 0 0 : A 0 - A A M 0 L - B 0 0 - 0 0 0 0 0 - 0 0 0 0 0 - 0 A - 0 0 0 0...
  • Page 14 RN Series E Cabinet Feature String Nomenclature M 0 L - B 0 0 - 0 0 0 0 0 - 0 0 0 0 0 - 0 A - 0 0 0 0 RN A - 105 - E - 0 - 3 - C A A 0 A -...
  • Page 15 RN Series E Cabinet Feature String Nomenclature RN A - 105 - E - 0 - 3 - C A A 0 A - 0 0 0 0 0 : A 0 - A A M 0 L B 0 0...
  • Page 16 RN Series E Cabinet Feature String Nomenclature RN A - 105 - E - 0 - 3 - C A A 0 A - 0 0 0 0 0 : A 0 - A A M 0 L - B 0 0...
  • Page 17 RN Series E Cabinet Feature String Nomenclature RN A - 105 - E - 0 - 3 - C A A 0 A - 0 0 0 0 0 : A 0 - A A M 0 L - B 0 0 - 0 0 0 0 0...
  • Page 18 RN Series E Cabinet Feature String Nomenclature RN A - 105 - E - 0 - 3 - C A A 0 A - 0 0 0 0 0 : A 0 - A A M 0 L - B 0 0 - 0 0 0 0 0 - 0 0 0 0 0 - 0...
  • Page 19 RN Series E Cabinet Feature String Nomenclature RN A - 105 - E - 0 - 3 - C A A 0 A - 0 0 0 0 0 : A 0 - A A M 0 L - B 0 0 - 0 0 0 0 0 - 0 0 0 0 0 - 0 A - 0 0 0 0...
  • Page 20 RN Series E Cabinet Feature String Nomenclature RN A - 105 - E - 0 - 3 - C A A 0 A - 0 0 0 0 0 : A 0 - A A M 0 L - B 0 0 - 0 0 0 0 0 - 0 0 0 0 0 - 0 A - 0 0 0 0...
  • Page 21 RN Series E Cabinet Feature String Nomenclature RN A - 105 - E - 0 - 3 - C A A 0 A - 0 0 0 0 0 : A 0 - A A M 0 L - B 0 0 - 0 0 0 0 0 - 0 0 0 0 0 - 0 A - 0 0 0 0...
  • Page 22 36: CABINET MATERIAL 0 = Galvanized Cabinet - Double Wall + R-13 Foam Insulation 37: SPECIALS & PAINT B = Premium AAON Gray Paint Exterior X = SPA + Premium AAON Gray Paint Exterior 4 = SPA + Special Exterior Paint Color...

  • Page 23: General Information

    Certification of Steam or Hot Water Heat Models WARNING a. Certified as a forced air heating system with or without cooling. b. RN Series E Cabinet hot water coils are Improper installation, adjustment, designed for operation with no more than alteration, service, or maintenance 180°F water at a 150 psig working...

  • Page 24: Codes And Ordinances

    CAUTION Codes and Ordinances The RN Series E Cabinet has been tested and The Clean Air Act of 1990 bans the certified by Intertek (ETL) to the following intentional venting of refrigerant as of safety standards: July 1, 1992. Approved methods of recovery, recycling, or reclaiming ANSI Z21.47-2016/CSA 2.3-2016...

  • Page 25: Storage

    Installation Flue gas is dangerously hot and contains containments. The user is responsible for AAON equipment has been designed for determining if vent gases may degrade quick and easy installation. building materials. Locating Units The National Gas and Propane Installation The curb must be mounted first and must be Code, B149.1 specifies a 6 ft.

  • Page 26: Setting The Curb

    Table 1 - RN Series E Cabinet Unit CAUTION Clearances Unit Size All roofing work must be performed by Location 55, 65 and 75-140 competent roofing contractors tons avoid any possible leakage. Front - 60” (Controls Side) 100” from end of...

  • Page 27: Lifting The Unit

    Before lifting unit, be sure that all shipping CAUTION material has been removed from unit. Secure hooks and cables at all lifting points / lugs Incorrect lifting can cause damage to provided on the unit. the unit. Hoist unit to a point directly above the curb and duct openings.

  • Page 28: Duct Connection

    Duct Connection CAUTION Note: RN Series E cabinet (55-140 tons) units include base insulation standard. Do not drill or punch holes in the base of the unit, from inside the unit or from below the unit to attach ductwork. Leaking may occur if unit base is punctured.

  • Page 29: Outside Air Rain Hood

    MUST BE End Flashing Installation attached to the unit base to cover the RN Series E cabinet units are 142” wide and shipping slots at both ends of the unit. the cabinet width will overhang the shipping trailer on each side.

  • Page 30: Electrical

    Electrical Verify the unit nameplate agrees with power supply. Connect power and control wiring to the unit as shown in Figure 8, and in the unit specific wiring diagram, which shows factory and field wiring and is attached to the inside of the door of the controls compartment. Table 2 - Nameplate Voltage Markings &...

  • Page 31: Figure 7 - Unit Utility Entry

    Note: All units are factory wired for 208V, 230V, 380V, 460V, 575V. transformer configuration must be checked by a qualified technician prior to service, especially if unit is to be connected to a 208V 230V supply. 208V service interchange the yellow and red conductor on the low voltage control transformer.

  • Page 32: Variable Speed Compressors

    Variable speed compressors with VFD speed terminal. Contact your local power company control are available on all RN Series E for line voltage corrections. Cabinet units. Variable speed compressors must not be operated outside the factory...

  • Page 33: Condensate Drain Piping

    Condensate drain trapping and piping must conform to all applicable governing codes. Condensate Drain Piping RN Series E Cabinet units are equipped with two condensate drain connections, one on the left side of the unit and one on the right side of the unit.

  • Page 34: Draw-Through Coils

    Table 5 - Draw-Through Drain Trap Draw-Through Coils Dimensions Draw-Through Drain Pan Pressure Trap Dimensions Negative Static (inches of water) (inch) (inch) -0.50 1.50 0.75 -1.00 2.00 1.00 -1.50 2.50 1.25 -2.00 3.00 1.50 -2.50 3.50 1.75 -3.00 4.00 2.00 -3.50 4.50 2.25...

  • Page 35: Startup

    Supply Fans RN Series E Cabinet units are equipped with direct drive backward curved plenum fan assemblies that are selected to deliver the air volume specified according to unit size and job requirements.

  • Page 36: Adjusting Refrigerant Charge

    After adding or removing charge the system CAUTION must be allowed to stabilize, typically 10-15 minutes, before making other Before completing startup and leaving adjustments. the unit a complete operating cycle must be observed to verify that all The type of unit and options determine the components are functioning properly.

  • Page 37: Adjusting Sub-Cooling And Superheat Temperatures

    Compare calculated superheat to the tables Table 7 - Acceptable Fin & Tube Air- below for the appropriate coil and system Cooled Condenser Coil Refrigeration Circuit type and options. Values Air-Cooled Cond. In Cooling Mode CAUTION Sub-Cooling 8-15°F Sub-Cooling Expansion valve must be adjusted to with Hot Gas 8-15°F approximately...

  • Page 38: Freeze Stat Startup

    CAUTION DO NOT OVERCHARGE! Refrigerant overcharging leads to excess refrigerant in the condenser coils resulting in elevated compressor discharge pressure. The system is undercharged if the superheat is too high and the sub-cooling is too low. Correct an undercharged system by adding refrigerant to the system to reduce superheat and raise sub-cooling.

  • Page 39: Table 9 - R-410A And R-22 Refrigerant Temperature-Pressure Chart

    Table 9 - R-410A and R-22 Refrigerant Temperature-Pressure Chart PSIG PSIG PSIG PSIG PSIG (F) R-410A R-22 (F) R-410A R-22 (F) R-410A R-22 (F) R-410A R-22 (F) R-410A R-22 78.3 43.1 142.2 84.1 234.9 143.6 110 364.1 226.4 140 540.1 337.4 80.0 44.2...

  • Page 40: Condenser Fan Electronically Commutated Motor (Ecm) Startup

    Commutated Motor (ECM) Startup Note With Customer Provided Unit Controls High voltage wires out of the motor: AAON Condenser Head Pressure Module is Black & Brown - 1 Phase Line Voltage used for variable speed control of the motor Green - Ground to maintain a head pressure.

  • Page 41: Operation

    Operation WARNING Unit operations must be controlled with COMPRESSOR CYCLING thermostat, or unit controller, never at the main power supply, except for servicing, 3 MINUTE MINIMUM OFF TIME emergency, or complete shutdown of the prevent motor overheating unit. compressors must cycle off for a minimum of 3 minutes.

  • Page 42: Electric Heating Operation

    Electric Heating Operation CAUTION When a call for heating (G and W1, W2, etc.) is made the supply blower motors and electric Blower wheels and bands must be resistance heaters will energize. Heating is inspected for excessive dust build up accomplished by passing electrical current periodically and cleaned if required.

  • Page 43: Brazed Plate Heat Exchanger Cleaning

    AAON be used at a very low pressure to E-Coated Coil Maintenance Record sheet. prevent fin and/or coil damages. The force of the water or air jet may bend...

  • Page 44: Microchannel Coil Cleaning

    Enviro-Coil Cleaner: AAON PN: V82540 Continue until all coil areas on the inside of GulfClean ™ Coil Cleaner; AAON PN: the unit have been rinsed. Note: Coils must G074480 always be cleaned / back flushed, opposite of airflow to prevent impacting the dirt into Recommended Chloride Remover the coil.
  • Page 45 #1 Simple Green may be necessary to clean the coils more Simple Green is available from AAON Parts often. Proper procedure must be followed at Supply (Part# T10701) every cleaning interval. Using improper biodegradable with a neutral 6.5 pH A 4 to 1...

  • Page 46: Options

    38°F to prevent coil freeze-up. If air temperature across the coil is AAON testing has determined that unless a going to be below this value, use a glycol chemical has a neutral pH (6-8) it must not be solution to match the coldest air expected.

  • Page 47: Chilled Water Coil

    Table 11 - Hot Water Coil & Steam Coil Connection Sizes Coil Hot Water Coil Steam Coil Model (RNA-) Connection Connection Size Connection Size Quantity* 055, 065, 075, 090, 105, 2-1/8” 2-1/8” 120, 130, 140 * In/Out Connections Table 12 - Preheat Hot Water Coil Connection Sizes Preheat Hot Water Coil Connection Coil Connection Model (RNA-)

  • Page 48: Packaged Direct Expansion (Dx) Units

    cool down and liquid refrigerant may Packaged Direct Expansion (DX) Units accumulate compressor. WARNING compressor is designed to pump refrigerant gas and damage may occur when power is COMPRESSOR CYCLING restored. 3 MINUTE MINIMUM OFF TIME If power to the unit must be off for more than prevent motor overheating...

  • Page 49: Evaporator Coil

    CAUTION Polyolester (POE) and Polyvinylether (PVE) oils are two types of lubricants used in hydrofluorocarbon (HFC) refrigeration systems. Refer to the compressor label for the proper compressor lubricant type. Figure 11 - Evaporator Coil Access Note: Multiple Units with Multiple Thermostats Remove the screws attaching the filter rack to the evaporator coil blank-off panels at the...

  • Page 50: Condenser Fans

    the expansion valve bulbs on the suction With the wires disconnected and the screws lines. removed, the fan, motor and orifice assembly can be lifted off the unit. Evacuate the refrigerant systems. Weigh in the nameplate refrigerant charge. See Adjusting Refrigerant Charge section to check for proper sub-cooling and superheat of the refrigerant systems.

  • Page 51: Suction Filter

    7. Evacuate the suction filter assembly filter will improve the efficiency and capacity to 300 microns of the unit. AAON installs isolation ball 8. Open both shut-off valves valves on both sides of the suction line filter so the complete system will not have to be reclaimed/evacuated.

  • Page 52: Energy Recovery Units

    Energy Recovery Units Some RN Series E Cabinet units have been performance. equipped with an energy recovery wheel. AAON provides options for either an Controls aluminum energy recovery wheel or a variety of controls electrical polymer energy recovery wheel. Follow the...

  • Page 53: Figure 15 - Aluminum Erw Purge Sector Location

    1. Monolith energy recovery wheel Aluminum Wheel Air Seals 2. Purge Sector Both non-contact sealing wheel 3. Profile peripheries and brush sealing middle beam 4. Motor are maintenance-free but their condition must 5. Brush Plate be checked every year. During the inspection, 6.
  • Page 54 If segmented drive belt becomes too loose it is necessary to pull out few segment modules (Fig. 10) of the belt and shorten the overall length to desired amount in order to achieve optimal tension. Correct tension should prevent ability to insert anything underneath the belt on the entire length between the belt and the wheel.

  • Page 55: Polymer Energy Recovery Wheel

    3. Connect the shortened belt ends by 1. Removable Segment inserting the protruding tongue through 2. Permanent Tension Belt the hole of the other half of the belt. 3. Pulley 4. Grab the second tongue and similarly 4. Embedded Segment Stiffeners insert it through the second hole –...
  • Page 56 Polymer Wheel Set Purge Angle When installed, the purge angle is factory set to 5 degrees. If a different angle is required, complete the following steps to adjust the purge: If it is necessary to adjust a purge seal to the face of the wheel, loosen the two or three screws along the bearing beam and adjust to the proper distance from the media surface.
  • Page 57 pulled out from the cabinet to view the air permanently installed in a cabinet, access to seals. On larger units, the energy recovery both sides of the cassette must be provided. wheel may be accessible inside the walk-in cabinet. Polymer Wheel Orientation & Support The Energy Recovery Cassette may be A business card or two pieces of paper can be mounted in any orientation.
  • Page 58 By hand, turn wheel clockwise (as viewed from the pulley side), to verify wheel turns freely through 360º rotation. Before applying power to drive motor, confirm wheel segments are fully engaged in wheel frame and segment retainers are completely fastened. (See Segment Installation Diagram).

  • Page 59: Figure 17 - Wheel Segment Removal Pattern

    Polymer Wheel Air Seals Polymer Wheel Service Four adjustable diameter seals are provided CAUTION on each cassette to minimize transfer of air between the counter flowing airstreams. Disconnect electrical power before servicing energy recovery cassette. To adjust diameter seals, loosen diameter seal Always keep hands...
  • Page 60 Segment Installation 3. Holding segment by the two outer corners, press the segment towards the Segment Retainer center of the wheel and inwards against To install wheel segments follow the steps the spoke flanges. If hand pressure does below. Reverse procedure for segment not fully seat the segment, insert the flat removal.
  • Page 61 4. While supporting weight of drive motor 5. Loop the trailing end of the belt over the in one hand, loosen and remove (4) shaft (belt is partially through the mounting bolts. opening). 5. Install replacement motor with hardware 6. Reinstall the bearing onto the wheel shaft, kit supplied.

  • Page 62: Energy Recovery Wheel General Cleaning

    Energy Recovery Wheel General Cleaning Class contaminant Routine maintenance of the Energy Recovery concentration with inoffensive odor and Wheel includes periodic cleaning of the sensory irritation intensity. Energy Recovery Wheel as well as inspection Class 2 air has moderate contaminant of the Air Seals and Wheel Drive concentration, with mildly offensive odors or Components.
  • Page 63 ventilation of machine shop areas for CAUTION example, annual washing of energy transfer may be necessary to maintain latent transfer Disconnect electrical power before efficiency. Proper cleaning of the energy servicing energy recovery cassette. recovery wheel will restore latent Always keep hands away...

  • Page 64: Energy Recovery Wheel Defrost Timer Setting

    Soak in the solution until grease and tar deposits are loosened (Note: some staining of the desiccant may remain and is not harmful to performance). Before removing, rapidly run finger across surface of segment to separate polymer strips for better cleaning action.

  • Page 65: Gas Heating

    Prolonged overheating of the heat exchanger return air temperature must be maintained will shorten its life. between 55F and 80F. If unit has not been selected as a 100% outside air unit (makeup air unit) the return air duct must be sealed to the unit and the Table 16 - Electric and Gas Heating Capacities Gas Heat Electric Heat...

  • Page 66: Piping Sizing Examples

    Above 2,000 ft the input rate is adjusted 4% for every 1,000 ft. Figure 20 - RN Series E Cabinet Gas Heat Exchanger Table 18 - Natural Gas (ft /hr) Maximum Piping Capacities Specific Gravity = 0.6, Supply Pressure ≤...

  • Page 67: Inlet And Manifold Pressures

    (55.4” w.c.) and if propane gas supply From the natural gas maximum capacities pressure is greater than 13” w.c. and less than table, at 100 ft and 1080 ft /hr the required minimum pipe size is 2”. 2 psi (55.4” w.c.). Regulators must comply with the latest edition of the Standard for Line A 100 ft pipe run is needed for a 270 MBH Pressure Regulators, ANSI Z21.80/CSA...
  • Page 68 (below AAON gas fired heat exchangers are freezing for multiple consecutive days) the designed to be non-condensing. These heat internal and external drain lines for the unit...

  • Page 69: Figure 21 - Example 55, 65 And 75-140 Ton For Across The Roof Gas Piping

    Figure 21 - Example 55, 65 and 75-140 ton for across the Roof Gas Piping Note: There will be two gas connections, one on each side of the unit...

  • Page 70: Leak Testing

    Leak Testing All components of gas supply system, CAUTION including manual shut off valves and the piping in the interior of the unit, must be leak Some soaps used for leak detection tested with a soap solution before operating can be corrosive to certain metals. the appliance and at least on an annual basis Rinse piping thoroughly after leak test thereafter.

  • Page 71: Gas Heater Operating Instructions

    Gas Heater Operating Instructions Figure 22 - Gas Heater Instructions...

  • Page 72: Gas Heating Maintenance

    Cleaning must only be done by a to the heating mode of operation. qualified service agency and only after consultation with AAON service The combustion ventilation motor will representative. enable. The control will automatically supply energy to the igniter and the gas valve after If induced draft blower/motor assembly has the heating call is made.

  • Page 73: Figure 23 - Gas Heat Exchanger

    Attach the heat exchanger to the bulkhead DANGER using the holes around the perimeter. LEAK CHECK GAS PIPE Connect flex gas lines to the piping on the heat exchanger. If flexible gas piping in the The gas pipe in the unit must be unit must be replaced connectors cannot be checked for leaks before startup.

  • Page 74: Phase And Brownout Protection Module

    the setpoint parameters and the left arrow to Phase and Brownout Protection Module backup if needed. When each parameter is displayed use the up/down keys to change and set the parameter. After adjustments are made or if no adjustments are made it will take 2 to 4 minutes before the DPM energizes the output relay unless there is an out of tolerance issue with the incoming line voltage.
  • Page 75 Screens Manufacturer’s Screen Average Voltage Screen VAvg R-K Electronics DPM v0.0.00 Default – the default screen shows the real time voltage detected in each of the 3 phases: A-B B-C C-A Voltage Selection Screen (Vertical Format) Default = 460V, 3Ø 200, 1Ø;...

  • Page 76: Filter Replacement

    It is strongly recommended that filter media Filter Replacement Monthly air filter inspection is required to be replaced monthly. Filters are located maintain optimum unit efficiency. upstream of the evaporator coil in the filter and economizer section. Open access door and pull filters straight out to inspect all of the WARNING filters.

  • Page 77: Table 23 - 55, 65, And 75 Ton Unit Filters

    Table 23 - 55, 65, and 75 ton Unit Filters Feature 9A Quantity / Size Type 25 / 18” x 20” x 2” Pleated, MERV 8 15 / 24” x 20” x 4” & Pleated, MERV 8 5 / 16” x 20” x 4” Pleated, MERV 11 15 / 24”...

  • Page 78: Replacement Parts

    90-140 ton Units, 2” Filters 90-140 ton Units, 4” Filters Figure 24 - RN Series E Cabinet Standard Filter Layouts All dimensions are in inches and are height x length. Layouts are viewed from the upstream side of the cooling coil.

  • Page 79: Appendix A - Heat Exchanger Corrosion Resistance

    Appendix A - Heat Exchanger Corrosion Resistance Corrosion Resistance of Copper and Stainless Steel in Brazed Plate Heat Exchangers - Points to Measure and Check in a Water Analysis The resistance guide provides the corrosion resistance of stainless steel type AISI 316 and pure Copper (99.9%) in water, to a number of important chemical factors.
  • Page 80 Water Concentration Time Limits - AISI Copper Nickel Containing (mg/l or ppm) Analyze Before Alloy Alloy Total Hardness 4.0-8.5 No Limit (°dH) < 100 Nitrate (NO No Limit > 100 < 0.2 Iron (Fe) No Limit > 0.2 < 0.2 Aluminum (Al) No Limit >...

  • Page 81: Appendix B - Thermistor Temperature Vs. Resistance Values

    Appendix B - Thermistor Temperature vs. Resistance Values Deg C Deg F Resistance (kOhms) Deg C Deg F Resistance (kOhms) 2889.6 15.07 2087.22 12.73 1522.20 10.79 1121.44 9.20 834.72 7.87 627.28 6.77 475.74 5.85 363.99 5.09 280.82 4.45 218.41 3.87 171.17 3.35 135.14...

  • Page 82: Rn Series E Cabinet Startup Form

    RN Series E Cabinet Startup Form Date:______________ Job Name:___________________________________________________________________ Address:_____________________________________________________________________ ___________________________________________________________________________ Model Number:_______________________________________________________________ Serial Number:__________________________________________ Tag:_______________ Startup Contractor:____________________________________________________________ Address:_______________________________________________ Phone:_____________ ______________________________________________________ Pre Startup Checklist Installing contractor must verify the following items. 1. Is there any visible shipping damage? 2. Is the unit level? 3.
  • Page 83 Energy Recovery Wheel Assembly Wheel(s) Spin Freely Check Rotation FLA____________ Number Power Return/Exhaust Assembly Alignment Check Rotation Nameplate Amps________ Number Outside Air/Economizer Dampers Operation Check Damper Actuator Type: Economizer Changeover Type and Operations: Damper Wiring Check Gears Check Ambient Temperature Ambient Dry Bulb Temperature ________°F Ambient Wet Bulb Temperature ________°F Unit Configuration...
  • Page 84 Refrigeration System 1 – Cooling Mode Saturated Line Pressure Sub-cooling Superheat Temperature Temperature Discharge Suction Liquid Refrigeration System 2 – Cooling Mode Saturated Line Pressure Sub-cooling Superheat Temperature Temperature Discharge Suction Liquid Refrigeration System 3 – Cooling Mode Saturated Line Pressure Sub-cooling Superheat...
  • Page 85 Refrigeration System 4 – Heating Mode (Heat Pump only) Saturated Line Pressure Sub-cooling Superheat Temperature Temperature Discharge Suction Liquid Air-Cooled Condenser Alignment Check Rotation Nameplate Amps________ Number Water/Glycol System 1. Has the entire system been flushed and pressure checked? 2. Has the entire system been filled with fluid? 3.

  • Page 86: Maintenance Log

    This log must be kept with the unit. It is the responsibility of the owner and/or maintenance/service contractor to document any service, repair or adjustments. AAON Service and Warranty Departments are available to advise and provide phone help for proper operation and replacement parts.

  • Page 87: Maintenance Log (E-Coated Coil)

    Maintenance Log (E-Coated Coil)

  • Page 88: Literature Change History

    Literature Change History April 2021 Original RN Series E Cabinet IOM. May 2021 Updated the feature options in the feature string nomenclature.
  • Page 92 Parts: For replacement parts please contact your local AAON Representative. It is the intent of AAON to provide accurate and current product information. However, in the interest of product improvement, AAON reserves the right to change pricing, specifications, and/or design of its...

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