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Explains digits 1-4 of the GSSD model number, covering product type and development sequence.
Details unit nominal capacity (MBH) and voltage/hertz/phase configurations.
Describes unit arrangement, design sequence, open digits, and desuperheater option.
Covers brass loop connections, cabinet construction, and insulation.
Explains the function, operation, and components of the optional desuperheater unit.
Lists suitable thermostat types for seamless unit operation.
Outlines the manufacturer's warranty for unit parts and factory workmanship.
Guides on inspecting packaged units for damage and safely removing shipping materials.
Provides dimensional drawings and weight specifications for Unit Size 024.
Provides dimensional drawings and weight specifications for Unit Sizes 030-042.
Provides dimensional drawings and weight specifications for Unit Sizes 048-072.
Specifies required placement and methods for accessing the unit for service.
Details connection types and sizes for loop water and desuperheater hook-ups.
Describes copper stub-outs, soldering, and insulation for refrigeration lines.
Explains power and control wiring, including terminal identification and knockouts.
Details control box contents, component locations, and electrical data.
Explains the function of pressure switches and freezestats for system protection.
Provides a legend for diagram components and important installation notes.
Discusses geothermal vs. open loop systems and antifreeze requirements.
Covers requirements for open loop systems, including straining and discharge.
Lists R22 refrigerant quantities for GSSD units paired with TWE air handlers.
Provides R22 amounts for various tube sizes used in line sets.
Details steps for charging the system and achieving correct superheat levels.
Describes the high-efficiency scroll compressor and stainless steel heat exchanger.
Explains the function of freezestats and the lockout relay for safety.
Details the reversing valve operation and insulated refrigerant tubing.
Describes the function and application of water regulating valve assemblies.
Explains the purpose of a motorized water valve in open loop systems.
Details pump modules and hose kits for closed loop geothermal systems.
Explains the role of a sand filter/separator in maintaining water cleanliness.
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