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General| Category | Heat Pump |
|---|---|
| Refrigerant | R-410A |
| Series | WH Series |
| Voltage | 208/230V, 460V, 575V |
| Unit Weight | Varies with model |
| Dimensions | Varies with model |
Details key efficiency features of the WH Series units.
Highlights features contributing to improved indoor air quality.
Describes humidity control capabilities.
Lists control features and options.
Covers system integration, environmental friendliness, and extended life.
Explains features for reduced sound operation.
Clarifies definitions of CAUTION and WARNING statements.
Ensures proper motor and compressor rotation checks.
Warns against using certain chemical coil cleaners.
Warns about chemicals damaging the heat exchanger.
Warns about PVC pipe vulnerability to specific chemicals.
Provides guidelines for safe unit lifting and testing.
Highlights electrical dangers and service precautions.
Emphasizes mandatory unit grounding.
Warns about injury risks from moving fan parts.
Details risks of heat exchanger damage from water freezing.
Advises on water pressure verification and safety measures.
Recommends reading manual, qualified service, and nameplate reference.
Details model options including generation, orientation, unit size, series, and voltage.
Defines codes for efficiency, compressor, loop type, coil, and heat type.
Describes unit orientation and supply fan options.
Details filter rack and filter type/size options.
Specifies options for refrigeration, dehumidification, and service disconnects.
Details control sequences, cabinet options, and waterside economizer.
Lists code compliance, shipping, and cabinet access options.
Describes the unit and its cooling model certifications.
Details compliance with industry codes and standards.
Advises against construction heater use and warns about sharp edges.
Reminds about EPA regulations on refrigerant venting.
Instructions for inspecting for damage and verifying nameplate information.
Guidance for storing the unit before installation.
Procedures for handling damaged goods and warranty claims.
Lists components included in DX systems.
Provides guidance on controlling the unit.
Check blower assembly and remove shipping block.
Details methods for mounting the horizontal WSHP unit.
Guidance on unit placement relative to utilities and ductwork.
Instructions for connecting supply and return air ducts.
Ensuring support and installing vibration grommets.
Recommends emergency drain pans for water damage prevention.
Specific mounting instructions for floor-mounted units.
Details requirements for p-trap and drain line installation.
Provides specific dimensions for drain trap installation.
Explains how to maintain the drain seal during startup.
Table detailing minimum clearance requirements for unit access and airflow.
Illustrates different unit orientations for airflow and connections.
Steps to remove shipping screw and side access panel.
Procedure for pulling, lifting, and adjusting the blower panel and mount.
Final steps to remove and rotate the blower assembly.
Instructions for modifying the discharge direction.
Ensuring all shipping material is removed before lifting.
Guidance on lifting the unit with a pallet jack.
Note on correct panel installation to avoid damage.
Lists components accessible through the bottom access panel.
Steps for removing and reattaching the bottom access panel.
Steps to remove shipping screw and open bottom panel.
Disconnecting motor connectors and handling the blower assembly.
Procedure to separate motor from blower assembly.
Steps to pull the motor and blower assembly out.
Notes on corrosion risks for open loop systems.
Warns about chemical corrosion in open loop systems and warranty exclusion.
Advises against allowing chlorides into the heat exchanger.
Warns about harsh chemicals damaging the heat exchanger.
Explains freezing risks and damage to the refrigerant circuit.
Reiterates warnings about water freezing and damage.
Provides guidance on glycol concentration for freeze protection.
Recommends insulation and details operating limits.
Advises on water pressure limits and safety measures.
Warns about PVC pipe and specifies approved materials.
Table specifying water connection sizes for different models.
Outlines contractor duties for sizing, installation, and system flushing.
Instructions for flushing, strainers, and managing mineral content.
Requirements for water treatment and piping configuration.
Specifies fluid velocity and nameplate verification.
Details entry points and location of wiring diagrams.
Critical warning about disconnecting power before servicing.
Explains voltage imbalance and its effects on motors.
Guidance on MOP and disconnect switch requirements.
Details entry points and instructions for sizing supply conductors.
Requirements for circuit protection and voltage imbalance.
Procedure to release the terminal block from the rotary switch.
Caution regarding compressor rotation direction.
Connecting power and reinstalling terminal block.
Steps for removing faceplate, terminal block, connecting power, and reinstalling.
Recommendations for thermostat location.
Specifies minimum control voltage and allowable wiring distances.
Example for determining wire size for control wiring.
Requirement for external devices to use a separate power supply.
Do not operate the unit without filters.
Steps for accessing and removing the filter pull based on access type.
Instructions for opening clips on 4-sided filter racks.
Instructions for attaching ducts and installer sealing responsibility.
Use of transitions, sizing standards, and flexible connectors.
Details the optional economizer coil and operation modes.
Controller settings for waterside economizer operation.
Reiterates water treatment compatibility for economizer systems.
Table of minimum and maximum operating limits for cooling and heating.
Warnings about hazards during startup and electrical shock.
Lists critical checks for air flow, filters, and water flow.
Describes direct drive supply fans and air volume.
Details motor speed tap adjustments for PSC and ECM motors.
Describes adjustments for A cabinet units.
Connecting thermostat Y to Y2 for higher fan speed.
Table showing motor tap speeds and corresponding RPMs.
Emphasizes charge criticality and necessity of adjustment.
Procedures to measure liquid line temperature/pressure and suction line.
Do not operate the unit without filters.
Observe operation to verify component function.
Calculating and comparing sub-cooling to acceptable values.
Calculating and comparing evaporator superheat.
Warnings against overcharging and caution on expansion valve adjustment.
Guidance on correcting overcharged and undercharged systems.
Units controlled by thermostat; recommends electronic thermostat upgrade.
Lists electrical, environmental, mounting, and dimension specifications.
Details terminal block H2 functions for alarms, common, shutdown, and compressor.
Details terminal block H5 functions for thermostat, override, and alarm.
Details network terminal block H1 functions for communication.
Describes quick disconnect terminals and sensor/output wiring harnesses.
Lists alarm status LED and relay status LEDs.
Details how the supply fan operates and is controlled.
Describes conditions for compressor enabling and delays.
Lists alarms that prevent fan operation.
Details conditions for reversing valve activation.
Explains random start delay and occupancy modes.
Procedure for enabling and operating in test mode.
Introduces LED fault codes for diagnostics.
Table correlating LED flashes to specific fault codes.
Describes alarms that reset automatically.
Details low and high control voltage alarms.
Explains the alarm for preventing heat exchanger freezing.
Explains dip switch settings for glycol percentage.
Describes alarms for air coil temperature and waterside economizer freeze protection.
Details emergency shutdown and non-resetting alarms.
Describes auxiliary input and high condensate level alarms.
Explains the alarm for high discharge pressure.
Describes the alarm for low suction pressure.
Details the board's purpose and compatibility notes.
Lists electrical, environmental, and mounting specifications.
Details terminal block H4 functions for thermostat inputs.
Details network terminal block H1 functions for communication.
Lists functions of quick disconnect terminals (P1-P21).
Identifies dip switches and relay status LEDs.
Explains dip switch settings for fan-speed dehumidification.
Details dip switch settings for enabling and configuring the economizer.
Lists relay status LEDs and their functions.
Details supply fan operation with ECM motors and speed selection.
Describes compressor operation with alarms and delays.
Explains auxiliary heating and fan speed dehumidification.
Recommends annual service and monthly inspections of components.
Warning about hazards during maintenance.
Setting controls to cooling mode and checking fans.
Instructions for checking compressor, voltage, and reversing valve.
Importance of periodic cleaning to prevent microbial growth and blockages.
Cleaning must be done by qualified personnel.
Warns about dust buildup on blower wheels causing vibration.
Warning about electrical shock hazard.
Supply fan motors are permanently lubricated.
Coils require cleaning annually; improper technique can cause damage.
Recommends specific chemicals and procedures warranted by AAON.
Warns about chemicals and specifies water pressure/distance for cleaning.
Detailed steps for cleaning with Simple Green.
Spraying, soaking instructions for Simple Green and water flush procedure.
Caution on water pressure and nozzle angle during cleaning.
Requires approval for cleaners; neutral pH (6-8) needed.
Warns against foaming cleaners.
Recommends monthly filter inspection and replacement.
Warning about electrical shock hazard during filter replacement.
Contacting representative and required information for ordering.
Finding warranty date and department contact information.
Details filters for A cabinet models.
Details filters for B & C cabinet models.
Details filters for D cabinet models.
Details filters for E cabinet models.
Details filters for F cabinet models.
Details filters for G cabinet models.
Specifies chemical limits for copper heat exchangers.
Specifies chemical limits for cupro-nickel heat exchangers.
Outlines factors affecting heat exchanger longevity.
Includes notes on harness, pool, and saltwater applications.
List of items for contractor to verify before startup.
Section to record ambient temperature readings.
Checks for fan alignment, rotation, and amperage.
Checks for compressor rotation, pressure, sub-cooling, and superheat.
Fields for recording cooling and heating mode data.
Checks for water leaks and records water flow and temperature.
Checks for system flushing, fluid fill, glycol, and insulation.
Section to document service, repair, or adjustments.
Records changes made in April 2017.
Records changes made in May 2017.
Records changes made in August 2017.
Records changes made in January 2018.
Records changes made in April 2018.
Records changes made in July 2018.
Records changes made in January 2019.
Records changes made in April 2019.
Records changes made in August 2019.
Records changes made in April 2020.
Records changes made in July 2020.
