Carrier

Accessories & Options

Hot Water Generator (internal) - GT-PX & GT-GS units only

An optional heat reclaiming desuperheater coil of vented double-wall copper construction suitable for potable water shall be provided. The coil and hot water circulating pump shall be factory mounted inside the unit. A high limit (GT-PX/GT-GS units) and low compressor discharge line temperature switch (GT-PX units) shall be provided to disable the pump when these conditions occur.

Hot Water Generator (field installed) - GT-S units only An optional heat reclaiming Hot Water Generator (desuperheater) Remote Module with vented double-wall copper construction suitable for potable water shall be provided as a field installed accessory. A high limit shut-off switch shall be provided. The HWG Remote Module shall be located remote from the compressor section, near the water heater, and shall include an internal pump and water coil.

Cupro-Nickel Heat Exchanger

An optional corrosion resistant CuNi coaxial heat exchanger shall be factory installed in lieu of standard copper construction.

Thermostat (field installed)

A multistage auto-changeover electronic digital

thermostat shall be provided. The thermostat shall offer 2 heating and 1 cooling stages (GT-GS/GT-S units) or 3 heating and 2 cooling stages (GT-PX units) with precise temperature control. An OFF-HEAT-AUTO-COOL- EMERG system switch, OFF-AUTO fan switch, and indicating LED’s shall be provided. The thermostat shall read out in °F or °C and be calibratable.

Flow Controller (field installed)

A self-contained module shall provide all fluid pumping,

fill and connection requirements for ground-source closed loop systems up to 20 GPM. The Flow Controller shall provide 1” pump isolation valves and 3-way service valves. Pump heads shall be removable from the volute for easy replacement. The Flow Controller shall be enclosed in

a galvanized steel or plastic case and fully insulated with urethane foam to prevent condensation. The Flow Controller shall have a 5-year warranty on all parts.

Hose Kits (field installed) - GT-PX & GT-GS only

A rubber hose kit shall provide connections between the unit and Flow Controller. Rubber 1” hose allows flexible connection and absorbs vibration transmission between unit and Flow Controller. Brass elbows with MPT fittings for unit connection, barbed fittings for hose connection and FPT fittings for Pressure/Temperature ports shall be included to allow service and troubleshooting of the unit. Hose clamps shall be used to connect the hose to the brass elbows and Flow Controller.

Cooling TXV Kit (field installed) - R-22 GT-GS & GT-S units only

A cooling thermostatic expansion valve kit shall be provided to be field installed on the A-Coil or at the air handler.

Warranty Information

The Carrier residential warranty reflects the reliability built in to every unit and includes five years on all parts, and ten years on the compressor and refrigerant circuit parts with a service labor allowance during the first 30 days. An optional extended warranty is available for residential units, which adds a labor allowance and trip charge. See extended warranty

certificate (CA186) for details.

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Carrier Indoor & Outdoor Split Geothermal Heat Pumps - Rev.: 08/10/05

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Carrier GT-S Cupro-Nickel Heat Exchanger, Thermostat field installed, Flow Controller field installed, Warranty Information