292443-XTG-D-0508

required if Thermostat 2ET07700224 and 2ET04700224 are used.

MOTORIZED FRESH AIR DAMPER - Designed for duct mounted side supply/return and unit mounted down supply/ return applications. Damper capable of providing 0% through 50% of outdoor air (field supplied). Closes on power loss, includes hood and screen assembly.

FILTER / FRAME KIT (Single Phase only) - Kit contains the necessary hardware to field install return air filters into the base unit. Pre-cut filter racks and appropriate cleanable stan- dard size filters are shipped in one kit. The fiter rack is suit- able for either 1” or 2” filters (1” filter is supplied). This kit is available for single phase horizontal or vertical duct applica- tion only. Standard in all 3 phase models

RECTANGLE TO ROUND ADAPTERS - Kit includes one supply and one return air rectangle to round duct adapter. Adapters are preformed and designed to fit over current duct openings on the base unit. Transition is from side square duct opening to 14" round duct opening.

ROOF CURBS - NRCA approved curbs provide proper fit to base unit for rooftop installations. Curbs are designed to be assembled through hinge pins in each corner. Kit also pro- vides seal strip to assure a water tight seal. 8 and 14 inch high roof curbs are available.

MANUAL OUTDOOR DAMPER - Provides 0% through 50% outdoor air capability (field adjustable). Designed for duct mounted side supply/return applications. Includes hood and screen assembly.

WALL THERMOSTAT - The units are designed to operate with 24-volt electronic and electro-mechanical thermostats. All units can operate with single stage heat / single stage cool thermostats - with or without the economizer.

LOW AMBIENT KIT - Kit provides necessary hardware to convert unit to operate in cooling cycle down to 0 F. Standard unit operation 45 F.

TRANSFORMER KIT - Kit provides necessary hardware to pro- vide single phase models from factory furnished 40 VA trans- former capability to 75 VA transformer capability. (Required on installations with economizer or motorized damper.)

DIRECT DRIVE

CONDENSER FAN

MOTOR

BLOW-THROUGH DESIGN

WITH RELIABLE ALUMINIZED

STEEL TUBULAR HEAT

EXCHANGERS

HIGHLY EFFICIENT

ENHANCER

COPPER TUBE/ALUMINUM FIN

EVAPORATOR COIL

HIGHLY EFFICIENT

ENHANCED COPPER

TUBE/ALUMINUM FIN

LONG-LASTINGCONDENSER COIL

POWDER PAINT

FINISH

 

DECORATIVE

 

PROTECTIVE

 

COIL GUARD

REAR & BOTTOM

HIGH EFFICIENCY

RETURN AIR

AND SUPPLY AIR

COMPRESSOR

DUCT OPENINGS

RIGIDLY MOUNTED

 

PILOT ASSEMBLY

HEAVY GAUGE

HIGH GRADE

REMOVEABLE

ALUMINIZED

BASE RAILS

IN-SHOT BURNERS

 

LOW VOLTAGE

3-SPEED DIRECT DRIVE

TERMINAL BLOCK

 

BLOWER MOTOR WITH

SELF-DIAGNOSTIC CONTROLS

SLIDE-OUT BLOWER ASSEMBLY

WITH "COMFORT MATCH" SPEED

 

 

CONTROL

 

AUTOMATIC

POWER VENTER MOTOR HIGH VOLTAGE

GAS VALVE

(1/2"- 14NPTI)

TERMINAL BLOCK

 

FIGURE 2 - UNIT COMPONENT LOCATION

Johnson Controls Unitary Products

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York 292443-XTG-D-0508 manual Unit Component Location