FACTORY-INSTALLED Options

•Filter access door for filter access and maintenance that requires no tools.

•Induced draft (negative pressure) combustion sys- tem with Hall effect sensor to detect proper opera- tion of induced-draft motor.

•3 to 6-ton units have one stage of cooling and 71/2 to 121/2-ton units have two stages of cooling. Units will have either one stage or two stages of gas heat- ing depending on unit size, voltage, and heating capacity.

•Heavy Alumagard™ coated heat exchangers, with aluminized steel burners.

•Heating controls with direct spark ignition and redundant gas valve. Fan switch, high temperature limit switch and flame rollout switch standard.

•Fixed orifice metering device precisely controls refrigerant flow to each circuit individually.

•Reliable accurate control circuit with color coded wires and easily accessible terminal board.

•Integrated gas control board with built-in diagnostics to determine error codes and control indoor fan on/ off delays.

•Integrated gas control board provides anti-cycle pro- tection for gas heat operation.

•Loss of charge (low pressure), freeze protection, and high pressure switches standard.

EconoMi$er — Fully Modulating, Gear Driven Copper/Copper Coils — Evaporator, Condenser, Both Pre-Coated Condenser Coil

E-Coat (Post-Coated) Condenser Coil Unit-Mounted Non-Fused Disconnect Switch 115-Volt Convenience Outlet

Alternate Motor and Drive (except 072 and 102 size)

High-Static Motor (except 150 size) 25% Manual Air Damper

FIELD-INSTALLED ACCESSORIES

EconoMi$er — Fully Modulating, Gear Driven

EconoMi$er with 4 to 20 mA Actuator — Fully Modulating, Gear Driven

Power Exhaust for EconoMi$er EconoMi$er/Power Exhaust

25% Open Two-Position Damper

25% Open Manual Air Damper

100% Open Two-Position Damper Durablade Economizer Solid-State Enthalpy Control Differential Enthalpy Control Roof Curb (14- or 24-in. Height)

Thru-the-Bottom/Roof Curb Electrical and Gas Connection Kit

Time Guard® II Compressor Anti-Cycle Control Condenser Coil Hail Guard

Condenser Coil Protector

–20 F Motormaster® Low Ambient Control Kit Programmable Set-Back Thermostat

Liquid Propane (LP) Gas Kit Flue Hood Protector Kit Flue Discharge Deflector

Indoor Fan/Filter Status Indicator Other ____________________