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Key considerations before installation, including inspection and handling advice.
Explains unit model codes for voltage, type, and nominal cooling size.
Details on how to place the unit, either suspended from the ceiling or on a flat surface.
Specifies temperature limits, condensate trap requirements, and closed loop system preparation.
Instructions for duct connection, insulation, and water supply requirements for the heat pump.
Guidelines for electrical service, fuse sizing, and control wiring compliance with codes.
Information on stainless steel flexible water hoses for unit connections and proper installation.
Details on the optional electric heater package for preheating outdoor air, including its components and power requirements.
Information on optional hot water coils for preheating outdoor air, including construction and temperature control.
Presents the primary wiring diagram for the 100% outside air unit, showing electrical connections.
Details wiring for Circuit #2, including components, legend, and important notes.
Illustrates the wiring diagram for units equipped with hot water preheat.
Shows the wiring diagram for units with optional electric preheat coils.
Wiring diagram for units using Johnson Metasys controls with electric preheat.
Provides specific wiring details for Metasys controls, including relays and components.
Wiring diagram for Metasys controls combined with hot water preheat systems.
Illustrates the combined wiring for unit circuits and control systems, including preheat options.
Details on Mammoth DDC and Johnson Metasys DDC controllers for unit operation.
Options for third-party control, and the sequence of operation for Johnson Metasys systems.
Guidance for starting up the unit when using Mammoth DDC controls.
Step-by-step instructions for starting the unit with factory-mounted Johnson Metasys controls.
Procedures for unit startup when controlled by an external thermostat, including checks.
Instructions for cleaning or replacing air filters and cleaning air coils and blower wheels.
Explains compressor protection features and procedures for shutdown and restart.
Information on qualified service personnel, warranty terms, and parts ordering.
Parameters for subcooling, superheat, pressures, and temperatures under normal operating conditions.
Identifies symptoms and parameters for over-charged, under-charged, and TXV issues.
Step-by-step instructions for setting and checking belt tension using a tensioner and deflection force.
Fields to record nameplate data and running conditions, including auxiliary heat information.
General
