York D2CG User Manual

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®
SINGLE PACKAGE
GAS / ELECTRIC UNITS AND
SINGLE PACKAGE AIR CONDITIONERS
D2CE / D2CG 300 CONSTANT VOLUME
25 NOMINAL TONS
8.5 EER
SUNLINE 2000 ™
036-21359-001-B-0302
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
DESCRIPTION
Sunline 2000 series convertible package rooftop mod-
els have two independent refrigerant circuits for efficient
part load operation. Although the units are primarily
designed for curb mounting on a roof, they can also be
slab-mounted at ground level or set on steel beams above
a finished roof.
Cooling only, cooling with gas heat and cooling with electric
heat models are available with a wide variety of factory-
mounted options and field-installed accessories to make
them suitable for almost every application.
All units are self-contained and assembled on full perimeter
base rails with holes in the four corners for overhead
rigging.
Every unit is completely piped, wired, charged and tested
at the factory to simplify field installation and to provide
years of dependable operation. Powder paint cabinets pro-
vide an exceptionally durable finish with the 750 hour salt
spray process per ASTM-B117 test standard.
All models (including those with an economizer) are suit-
able for either bottom or horizontal duct connections. Mod-
els with power exhaust are suitable for bottom duct
connections only. For bottom duct, you remove the sheet
metal panels from the supply and return air openings
through the base of the unit. For horizontal duct, you
replace the supply and return air panels on the rear of the
unit with a side duct flange accessory.
All models are available with five different outdoor air
damper options:
Single enthalpy economizer
Differential (dual) enthalpy economizer
Single enthalpy economizer with power exhaust
Differential (dual) enthalpy economizer with
power exhaust
Motorized outdoor air damper
A fixed outdoor air intake assembly is shipped in the return
air compartment of all units ordered without an economizer
or motorized outdoor air damper option. The assembly
includes a rain hood with a damper that can be set for 10,
15 or 25% outdoor air. With bottom duct connections, the
intake damper assembly should be mounted over the
opening in the return air panel. With horizontal ductwork, it
should be mounted on the return air duct.
Technical Guide
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Summary of Contents

Page 1 - Technical Guide

® SINGLE PACKAGEGAS / ELECTRIC UNITS ANDSINGLE PACKAGE AIR CONDITIONERSD2CE / D2CG 300 CONSTANT VOLUME25 NOMINAL TONS8.5 EERSUNLINE 2000 ™036-21359-00

Page 2 - FACTORY-INSTALLED OPTIONS

036-21359-001-B-030210 Unitary Products GroupRETURN AIRSUPPLYAIRBOTTOM SUPPLYAND RETURNAIR OPENINGS(See Note)(B)POWER WIRINGENTRY(A)CONTROL WIRING ENT

Page 3 - FIELD-INSTALLED ACCESSORIES

036-21359-001-B-0302Unitary Products Group 11DUCT COVERS - Units are shipped with the bottomduct openings covered. An accessory flange kit is availabl

Page 4

036-21359-001-B-030212 Unitary Products GroupDCENOTE: These weights are with economizer and 24kW electric heat.NOTE: These weights are with economizer

Page 5 - COOL ING CA PACI TIES

036-21359-001-B-0302Unitary Products Group 13BASE RAIL3.56"3.69"

Page 6 - - 25 TON (DCE/DCG300)

036-21359-001-B-030214 Unitary Products Group

Page 7 - ELEC TRI CAL DATA

036-21359-001-B-0302Unitary Products Group 15MECHANICAL SPECIFICATIONSGENERAL DESCRIPTIONUnits shall be factory-assembled, single packaged,(DCG Electr

Page 8 - STATIC RE SIS TANCES*

036-21359-001-B-030216 Unitary Products GroupB. Evaporator and Condenser coils shall be of thedirect expansion, draw-thru, design.C. Condenser coils s

Page 9

036-21359-001-B-0302Unitary Products Group 17ELECTRICAL REQUIREMENTSAll unit power wiring shall enter unit cabinet at a singlefactory provided locatio

Page 10 - 036-21359-001-B-0302

036-21359-001-B-030218 Unitary Products Group5. HIGH ALTITUDE - PROPANE GAS - Contains orificesrequired for applications between 2000 and 6000feet alt

Page 11 - Unitary Products Group 11

036-21359-001-B-0302Unitary Products Group 19

Page 12

036-21359-001-B-03022 Unitary Products GroupAll supply air blowers are equipped with a belt drivethat can be adjusted to meet the exact requirements o

Page 13 - BASE RAIL

036-21359-001-B-030220 Unitary Products Group

Page 14

036-21359-001-B-0302Unitary Products Group 21

Page 15 - MECHANICAL SPECIFICATIONS

036-21359-001-B-030222 Unitary Products Group

Page 16 - 16 Unitary Products Group

036-21359-001-B-0302Unitary Products Group 23

Page 17

Subject to change without notice. Printed in U.S.A. CD: 6-21359 036-21359-001-B-0302Copyright © by Unitary Products Group 2002. All rights reserved. S

Page 18 - 18 Unitary Products Group

036-21359-001-B-0302Unitary Products Group 3FIELD-INSTALLED ACCESSORIESSINGLE INPUT ELECTRONIC ENTHALPYECONOMIZERSIncludes a slide-in/plug-in damper a

Page 19

036-21359-001-B-03024 Unitary Products Groupalso includes a 1-phase motor to replace the unit'sstandard 3-phase condenser fan motor. Standard uni

Page 20

036-21359-001-B-0302Unitary Products Group 5COOL ING CA PACI TIES - 25 TON (DCE / DCG300) Air OnEvapo ra torCoilTem pera ture of Air on Con denser Coi

Page 21

036-21359-001-B-03026 Unitary Products GroupBLOWER PER FORM ANCE - 25 TON (DCE/DCG300)BLOWER PULLEYSPEED TURNS ESP OUTPUT INPUT ESP OUTPUT INPUT ES

Page 22

036-21359-001-B-0302Unitary Products Group 7PHYSI CAL DATABA SIC UNITSMOD ELSDCE/DCG/DCV300EVAPO RA TORBLOWERCEN TRIFU GAL BLOWER (Dia. x Wd. in.) 18

Page 23

036-21359-001-B-03028 Unitary Products GroupBLOWER MO TOR AND DRIVE DATAPOWER EX HAUST PER FORM ANCE7500 8750 10000 11250 12500ESP ESP ESP ESP ESP

Page 24 - Unitary 5005 Norman

036-21359-001-B-0302Unitary Products Group 9FIELD WIRING - DCE/DCG ELECTRIC/ELECTRIC AND GAS/ELECTRIC UNITSRY1Y2W1GBXA1A2GRY1Y2RY1Y2W1GBXA1A2RHRCY1Y2W

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