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GENERAL

YORK Model D3GH units are cooling/heating air conditioners
designed for outdoor installation. Only gas piping, electric
power and duct connections are required at the point of instal-
lation.

The gas-fired heaters have hot surface ignition. The tubular
heat exchangers are aluminized steel.

This appliance is not to be used for temporary heating of
buildings or structures under construction.

INSPECTION

As soon as a unit is received, it should be inspected for possible
damage during transit. If damage is evident, the extent of the
damage should be noted on the carrier’s freight bill. A separate
request for inspection by the carrier’s agent should be made in
writing. Refer to Form 50.15-NM for additional information.

RENEWAL PARTS

Refer to Renewal Parts, Form 530.44-RP1Y for Key Re-
placement Parts.

All forms referenced in this instruction may be ordered from:

Publications Distribution Center
Unitary Products Group
P.O. Box 1592, York, Pa.  17405

APPROVALS

Design certified by CGA and  UL listed as follows:

1. For use as a forced air furnace with cooling unit.
2. For outdoor installation only.
3. For installation directly on combustible flooring or, in the U.S.A.,
     on wood flooring or Class A, B, or C roof covering material.
4. For use with natural gas and/or propane (LP) gas.

Not suitable for use with conventional venting systems.

STELLAR 2000

SINGLE PACKAGE AIR CONDITIONERS

GAS/ELECTRIC, AIR-COOLED

Supersedes:  530.44-N5Y  (893)

530.44-N5Y  (1294)

MODELS D3GH018 THRU 036

(12 SEER)

035-12491

INSTALLATION INSTRUCTION

Installer should pay particular attention to the words:  

NOTE, CAUTION and WARNING. Notes are intended to clarify or make

the installation easier. Cautions are given to prevent equipment damage. Warnings are given to alert installer that personal
injury and/or equipment damage may result if installation procedure is not handled properly.

CAUTION

THE ENCLOSED INSTALLATION INSTRUCTIONS AND ANY APPLICABLE

LOCAL, STATE, AND NATIONAL CODES INCLUDING, BUT NOT LIMITED

TO, BUILDING, ELECTRICAL, AND MECHANICAL CODES.

THIS PRO DUCT M UST BE INSTALLED IN STRICT COMPLIANCE W ITH

WARNING

OPERATION OF THE  PRODUCT COULD CAUSE  PERSONAL  INJURY

O R   P R O P E R T Y   D A M A G E .

INCORRECT INSTALLATION MAY CREATE A CONDITION W HERE THE

Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS

••

Do not try to light any appliance.

••

Extinguish any open flames.

••

Do not touch any electrical switch; do
not use any phone in your building.

••

Immediately call your gas supplier
from a n eig hb or’s pho ne. Fol low
the gas supplier’s instructions.

••

If you cannot reach your gas supplier,
call the fire department.

Installation and service must be performed
by a qualified installer, service agency or
the gas supplier.

WARNING:  If the information in this manual is
not followed exactly, a fire or explosion may
result causing property damage, personal
injury or loss of life.

Summary of Contents for STELLAR 2000 D3GH018

Page 1: ...AGE AIR CONDITIONERS GAS ELECTRIC AIR COOLED Supersedes 530 44 N5Y 893 530 44 N5Y 1294 MODELS D3GH018 THRU 036 12 SEER 035 12491 INSTALLATION INSTRUCTION Installer should pay particular attention to the words NOTE CAUTION and WARNING Notes are intended to clarify or make the installation easier Cautions are given to prevent equipment damage Warnings are given to alert installer that personal injur...

Page 2: ...n 6 Flue Vent Hoods 6 SEQUENCE OF OPERATION Heating 8 Cooling 8 START UP Pre start Check List 8 Operating Instructions 9 To Turn Off Gas To Unit 9 Post Start Check List 9 Manifold Gas Pressure Adjustment 9 Burner Instructions 9 Hot Surface Ignitor Instructions 10 Remote Sensor Instructions 10 Adjustment of Temperature Rise 10 Checking Gas Input 10 Secure Owner s Approval 10 MAINTENANCE Normal Main...

Page 3: ...remove any packaging until the unit is near the place of installation Rig unit with slings placed under the unit Spreader bars of suffi cient length should be used across the top of the unit BEFORE LIFTING A UNIT MAKE SURE THAT ITS WEIGHT IS DISTRIBUTED EQUALLY ON THE CABLES SO THAT IT WILL LIFT EVENLY Units may also be moved or lifted with a fork lift Slotted openings in the skid are provided for...

Page 4: ... be electrically grounded in accordance with local codes or in their absence with the N E C C E C Voltage tolerances which must be maintained at the compressor termi nals during starting and running conditions are indicated on the unit Rating Plate and Table 7 Thewiring entering the cabinetmust be provided with mechani cal strain relief A fused disconnect switch should be field provided for the un...

Page 5: ...such as Gaskolac or Stalastic and compounds such as Rectorseal 5 Clyde s or John Crane may be used Input Capacity Mbh Output Capacity Mbh Available On Models Gas Rate1 Ft 3 Hr Temp Rise F At Full Input2 Min Max 36 28 11 2 2 TON 37 15 45 36 28 21 2 TON 37 15 45 54 42 2 TON 56 20 50 54 42 21 2 TON 56 25 55 54 42 3 TON 56 20 50 75 60 21 2 3 TON 74 25 55 75 60 31 2 TON 74 25 55 90 70 3 31 2 TON 93 25 ...

Page 6: ...he flue vent hood is installed by inserting the top flange of the hood into the slotted opening in the access panel positioning the vent screen between the hood flanges and the access panel and securing in place using 2 screws FIG 4 FLUE VENT HOOD MODELS D3GH 018 024 030 036 EVAPORATOR BLOWER CENTRIFUGAL BLOWER Dia x Wd in 9 x 6 10 x 8 10 x 8 10 x 10 FAN MOTOR HP THREE SPEED 1 3 1 3 1 3 1 2 EVAPOR...

Page 7: ...673 4 301 2 OVERALL GAS CONTROL SERVICE ACCESS COMPARTMENT PANEL 287 8 BLOWER SERVICE ACCESS COMPARTMENT PANEL 9 9 2 1 Units may be installed on combustible floors made from wood or class A B or C roof covering material 2 Units must be installed outdoors Overhanging structures or shrubs should not obstruct condenser air discharge outlet 3 32 maximum horizontal extension overhang NOTE A 1 clearance...

Page 8: ...E If the flame is neither sensed nor established at first attempt the control will attempt 11 more trials before entering into a lockout If the flame is sensed the blower on delay period begins The flame failure response is reset between more than 0 5 seconds and less than or equal to 0 8 seconds 10 seconds after initial flame sense If the flame is established after the completion of on delay time...

Page 9: ...T START CHECK LIST GAS After the entire control circuit has been energized and the heating section is operating make the following checks 1 Check for gas leaks in the unit piping as well as the supply piping 2 Check for correct manifold gas pressures See Checking Gas Input 3 Check the supply gas pressure It must be within the limits shown on rating nameplate Supply pressure should be checked with ...

Page 10: ...me needed for one revolution of the hand on the smallest dial on the meter A typical gas meter usually has a 1 2 or a 1 cubic foot test dial 3 Using the number of seconds for each revolution and the size of the test dial increment find the cubic feet of gas consumed per hour from Table 9 If the actual input is not within 5 of the furnace rating with allowance being made for the permissible range o...

Page 11: ...f each heating season make a visual check of the main burner flame If it is not possible to adjust for the proper flame the burners may need cleaning TO CLEAN BURNERS Remove them from the furnace as explained in Burner Instructions Clean burners with hot water applied along top of the burner COMBUSTION AIR DISCHARGE Visually inspect discharge outlet periodically to insure soot and dirt buildup is ...

Page 12: ...Unitary Products Group P O Box 1592 York Pennsylvania USA 17405 1592 Subject to change without notice Printed in U S A Copyright by York International Corporation 1995 All Rights Reserved 530 44 N5Y ...

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