York 292443-XTG-D-0508 User Manual

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292443-XTG-D-0508
4
Johnson Controls Unitary Products
FAN SYSTEM - All models operate over a wide range of 
design conditions with a 3-speed direct-drive fan motor. 
These units easily match all types of applications and pro-
vides greater on site flexibility to match comfort requirement.
SIMPLE CONTROL CIRCUIT - A low voltage printed circuit 
board contains a diagnostic indicator light and a low voltage 
terminal strip. An additional set of pin connectors is also pro-
vided to simplify the field interface of external controls. Mate-
n-lock plug connectors are used. The electrical control box is 
not located in the compressor compartment. The controls are 
mounted on a Control-Tilt control panel to allow the access 
cover to be removed for trouble shooting and maintenance 
without affecting the normal system operating pressures. All 
wiring internal to the unit is color/number coded.
PROTECTED COMPRESSOR - The compressor is internally 
protected against high pressure and temperature. This is 
accomplished by the simultaneous operation of high pressure 
relief valve and a temperature sensor which protect the com-
pressor if undesirable operating conditions occur.
EXCLUSIVE COIL DESIGN - Grooved copper tubes and 
enhanced aluminum fin construction improves heat transfer 
for maximum efficiency and durability.
HEAT EXCHANGERS - Are corrosion-resistant, aluminized-
steel tubular construction to provide long-life, trouble-free 
operation. The unique blow-through design also assures that 
condensate does not collect in humid areas when in the cool-
ing cycle. This adds to longer heat exchanger life and higher 
long term efficiencies.
POST PURGE INDUCED DRAFT COMBUSTION - Exhausts 
combustion products from the heat exchanger upon comple-
tion of the heating cycle to prolong the heat exchanger life.
SELF DIAGNOSTIC FAN CONTROL MODULE - Due to this 
self diagnostic control, less on site time is required to trouble 
shoot these units.
SPARK TO PILOT IGNITION - Provides faster heat delivery. 
This ignition is highly reliable, durable and eliminates nui-
sance lockouts.
MULTI PORT IN-SHOT BURNERS - No field adjustment is 
required to mix the air and gas. These burners are con-
structed of high-grade corrosion-resistant, aluminized-steel.
LOW MAINTENANCE - Long life, permanently lubricated 
condenser and evaporator fan motor bearings need no 
annual maintenance adding greater reliability to the unit. 
Blower assembly can be easily cleaned by the unique Slip- 
Track slide-out blower assembly.
SECURED SERVICE ACCESS PORTS - Protected, exter-
nally mounted, re-usable service access ports are provided 
on both the high and low lines for ease of evacuating and 
charging the system. No final field mounting required.
EASY SERVICE ACCESS - A large, single panel covers the 
electrical and gas controls makes servicing easy. The blower 
compartment has an additional large panel with a built-in 
handle tab. Removing this panel will allow the blower assem-
bly to slide-out for easy removal for maintenance and ease of 
trouble shooting.
REPLACEMENT PARTS - The installer has no need to carry 
an inventory of unique parts or needs special training to 
replace any of the components parts for these units. All are 
easily obtained from Source 1 or other part houses. 
SYSTEM INTEGRATION - Each unit has the internal ability 
to integrate an electronic air cleaner or humidifier to work in 
conjunction with the base unit.
FIELD-INSTALLED ACCESSORIES
PROPANE CONVERSION KIT - Kit includes burner orifices, 
gas valve conversion and installation instructions necessary 
to field convert unit from natural gas to propane.
HIGH ALTITUDE CONVERSION KIT (Natural Gas/Propane) 
- Kit includes all necessary labels and instructions to field 
alter units with natural gas/propane for installation above 
2000 feet. Burner orifices must be obtained from Source 1 
Parts. Propane Conversion Kit must be obtained separately.
ECONOMIZER DOWN DISCHARGE / SUPPLY KIT - Modu-
lating integrated economizer provides simultaneous opera-
tion between the mechanical cooling and economizer 
operation. Independent blade design insures proper control 
and less than 1% leak rate. Includes hood and mesh bird 
screen filter integrated into the hood, dry bulb sensor and 
relief damper. Separate field accessories of single enthalpy 
and dual enthalpy are also available. A built-in barometric 
relief of 25% is provided.
SINGLE ENTHALPY SENSOR - Sensor replaces dry bulb 
sensor standard in economizer kit. Provides improved econo-
mizer operation by sensing the dry bulb temperature from 
outdoors plus the enthalpy content of the outdoor air.
DUAL ENTHALPY SENSOR - Additional sensor to single 
enthalpy sensor. Sensor senses both the return air tempera-
ture dry bulb and humidity in conjunction with the single 
enthalpy to determine the most economical mix. Single 
Enthalpy sensor also required.
PRESSURE SWITCH UPGRADE KIT - Contains screw in 
type High pressure, Low Pressure/Loss of Charge switch, 
freeze protection switch and lockout relay. Switches are 
placed onto existing scharder ports located in the unit by fur-
nished adapters. When abnormal conditions are sensed 
through the pressure switches, the unit will lock out prevent-
ing any further operation until reset or problem is corrected. 
Package agency approved.
HAIL GUARD KIT - Kit contains protective grilles made of 
expanded aluminum with full perimeter frame. Sloped hoods 
are also included to assure maximum protection.
ANTI SHORT CYCLE TIMER - Automatically prevents the 
compressor from restarting for 5 minutes after cycled off.Not