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General| Series | WC*150B***G |
|---|---|
| Category | Heat Pump |
| HSPF Rating | 8.2 |
| Refrigerant Type | R-410A |
| Operating Voltage | 208/230V |
Defines product types (WC, WF) and airflow configurations (D, H).
Details nominal cooling capacity (MBH) and major development sequence.
Specifies electrical characteristics (voltage) and factory-installed options.
Explains minor design sequence and service digits.
Information on unit nameplates, compressor nameplates, and unit description.
Overview of various control modules and interfaces like ReliaTel.
Details on input devices like fan failure and clogged filter switches.
Explanation of low/high pressure controls and power exhaust operation.
Description of various zone sensors and temperature averaging methods.
Information on high temperature and frost control sensors.
Details on smoke detectors and initial unit inspection upon arrival.
Guidelines for unit storage and required operating/service clearances.
Visual representation of installation clearances for single/multiple units.
Detailed dimensions, including electrical connections, for 12.5 and 15 ton units.
Detailed dimensions, including electrical connections, for 20 ton units.
Dimensions related to horizontal duct connections and drain.
Safety warnings and data for rigging and unit weights.
Guidelines for unit foundation, footings, and ductwork connection.
Checklist for commercial unit installation including shipping and site verification.
Main electrical, electric heat, and low voltage wiring needs.
Procedures for condensate drain trap and filter installation.
Details on main unit power wiring and optional base electrical options.
Wiring instructions for smoke detectors and temperature sensors.
Field wiring diagrams for optional controls like zone sensors.
Methods for space temperature averaging using remote sensors.
Procedures for addressing voltage imbalance and electrical phasing.
Information on crankcase heaters and ReliaTel control initialization.
Overview of different test modes (Step, Resistance, Auto) for unit components.
Procedures to verify and adjust indoor fan airflow using the service test.
Ensuring proper function of the return air smoke detector with airflow requirements.
Step-by-step start-up procedures for economizer and compressors.
Verifying scroll compressor rotation, phasing, and oil levels.
Procedures for starting up the heating stages.
Final checks and programming before leaving the unit after startup.
Procedures for adjusting and maintaining fan belt tension using a gauge.
Routine monthly maintenance tasks including checks of various components.
Procedures for filter inspection and smoke detector maintenance.
Maintenance tasks specific to cooling and heating seasons.
Detailed steps for cleaning evaporator and condenser coils.
Using RTRM for unit diagnostics and system status information.
Critical safety warnings for electrical and mechanical troubleshooting.
Checking system status via LEDs and identifying failure causes.
Steps for diagnosing cooling, service, and simultaneous failures.
Procedures for resetting lockouts and testing zone sensors.
Testing ZTS thermistors and set point potentiometers.
Testing LED indicators and mode/fan selection switches.
Interpreting ECA LED indicators for troubleshooting economizer issues.
List of wiring diagrams for various unit components and controls.
Warranty terms for specific heat pump models (less than 20 tons).
Warranty terms and liability for commercial equipment use.
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