York D2CE Table Of Contents, Installation, Operation, Maintenance & Troubleshooting, Tables

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TABLE OF CONTENTS

530.18-N11Y

TABLE OF CONTENTS

General

1

Inspection

1

Reference

1

Approvals

1

Nomenclature

2

INSTALLATION

 

Limitations

3

Location

3

Rigging and Handling

3

Clearances

3

Ductwork

3

Fixed Outdoor Air Intake Damper

4

Condensate Drain

4

Compressors

4

Filters

4

Service Access

4

Thermostat

5

Power and Control Wiring

5

Optional Electric Heaters (DCE Models)

5

Combustion Discharge (DCG Models)

5

Gas Piping (DCG Models)

6

Gas Connection (DCG Models)

6

L.P. Units, Tanks and Piping (DCG Models)

6

Vent and Combustion Air Hoods (DCG Models)

7

Econ. / Mot. Damper Rain Hood Accy. (1EH0401)

7

Econ. / Power Rain Hood Accy. (1EH0402)

9

OPERATION

 

Cooling System

15

Preliminary Operation Cooling

15

Cooling Sequence of Operation

15

Safety Controls (Cooling)

15

Electric Heating - Sequence of Operation

15

Heating Anticipator Setpoints

16

Gas Heating - Sequence of Operation

16

Safety Controls (Heating)

16

Heat Anticipator Setpoints

17

Pre-Start Check List

17

START-UP

 

Operating Instructions

17

Post-Start Check List

17

Manifold Gas Pressure Adjustment

17

Pilot Checkout

18

Burner Instructions

18

Burner Air Shutter Adjustment

18

Checking Supply Air CFM

18

Adjustment of Temperature Rise

19

Checking Gas Input

19

Secure Owner’s Approval

19

MAINTENANCE & TROUBLESHOOTING

Normal Maintenance

20

Cleaning Flue Passages and Heating Elements

20

Troubleshooting

21

Replacement Parts

23

 

TABLES

 

No.

Description

Page

1

Unit Application Data

3

2

Gas Heat Application Data

6

3

Pipe Sizing

6

4

Physical Data

10

5

Electrical Data

- Basic Units

10

6

Electrical Data

- Units With Elec. Heat

10

7

Four and Six Point Loads

13

8

Supply Air Blower Performance

13

9

Static Resistances

14

10

Power Exhaust Performance

14

11

Blower Motor and Drive Data

14

12

Heat Anticipator Setpoint

16

13

Limit Control Setting

17

14

Gas Rate - Cubic Feet Per Hour

19

 

FIGURES

 

No.

Description

Page

1

Typical Rigging

3

2

Center of Gravity

3

3

Fixed Outdoor Air Damper

4

4

Recommended Drain Piping

4

5

Typical Field Wiring

5

6

External Supply Connection

6

7

Bottom Supply Connection

7

8

Vent and Combustion Air Hoods

8

9

Adjusting Enthalpy Setpoint

9

10

Dimensions and Clearances

11

 

Dimensions and Clearances (cont’d)

12

11

Four and Six Point Loads

13

12

Gas Valve Piping

16

13

Gas Valve and Controls

17

14

Typical Gas Valve

17

15

Proper Flame Adjustment

18

16

Typical Flame Appearance

18

17

Belt Adjustment

18

18

Pressure Drop versus Supply Air CFM

19

19

Typical Flue Baffle Installation

20

PRODUCT NOMENCLATURE

D INSTALLATIONOPERATION 2 START-UPMAINTENANCE & TROUBLESHOOTING C G TABLESFIGURES 3 0 0 Manual backgroundManual background N

PRODUCT CATEGORY

2

4

0

 

2

5

 

E

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FACTORY INSTALLED

D = Single Package Air Conditioner (Air Cooled)

PRODUCT GENERATION

2 = 2nd Generation

PRODUCT IDENTIFIER

CG = Gas/Electric

CE = Cooling only or

Electric / Electric

NOMINAL COOLING

CAPACITY

300 = 25 Tons

FACTORY INSTALLED

HEAT

A = No Heat

N = Natural Gas

E = Electric

NOMINAL HEATING OUTPUT CAPACITY

GAS

240 = 240 MBH

320 = 320 MBH

ELECTRIC

018 = 18 KW

036 = 36 KW

054 = 54 KW

072 = 72 KW

OPTION CODE

EC = Sing. Input Economizer

DK = Diff. Input Economizer

FD = Sing. Input Economizer

w/Power Exhaust

CF = Diff. Input Economizer

w/Power Exhaust

BG = Motorized Outdoor Air

Damper

VOLTAGE CODE

25 = 208/230-3-60

46 = 460-3-60

58 = 575-3-60

2

Unitary Products Group

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Contents FOR YOUR SAFETY If you smell gas 1.Open windows INSTALLATION INSTRUCTIONSAFETY CONSIDERATIONS FOR YOUR SAFETYMAINTENANCE & TROUBLESHOOTING TABLE OF CONTENTSINSTALLATION OPERATIONTABLE 1 - UNIT APPLICATION DATA INSTALLATIONLIMITATIONS LOCATIONFIXED OUTDOOR AIR INTAKE DAMPER SERVICE ACCESSDUCTWORK FIG. 3 - FIXED OUTDOOR AIR DAMPERCONTROL WIRE SIZES FIG. 5 - TYPICAL FIELD WIRINGOPTIONAL ELECTRIC HEATERS DCE Models POWER AND CONTROL WIRINGTHERMOSTAT TABLE 2 - GAS HEAT APPLICATION DATAL.P. UNITS, TANKS AND PIPING DCG Models FIG. 7 - BOTTOM SUPPLY CONNECTIONEXTERNAL SHUT-OFF OPTIONAL ECONOMIZER/MOTORIZED DAMPER RAIN HOOD VENT AND COMBUSTION AIR HOODS DCG ModelsFIG. 8 - VENT AND COMBUSTION AIR HOODS Unitary Products Group FIG. 9 - ENTHALPY SETPOINT ADJUSTMENT530.18-N11Y TABLE 6 - ELECTRICAL DATA - UNITS w/ELECTRIC HEAT TABLE 4 - PHYSICAL DATATABLE 5 - ELECTRICAL DATA - BASIC UNITS Cont’d FIG. 10 - DIMENSIONS & CLEARANCES - DCE & DCGUTILITIES ENTRY DATA DETAIL “X” ACCESSORY SIDE SUPPLY AND RETURN AIR OPENINGSREAR VIEW DETAIL “Y” UNIT WITH RAIN HOODSFIG. 11- FOUR AND SIX POINT LOADS 4 POINT LOADS6 POINT LOADS TABLE 7 - FOUR AND SIX POINT LOADSTABLE 12 - BLOWER MOTOR AND DRIVE DATA TABLE 11 - POWER EXHAUST PERFORMANCETABLE 10 - STATIC RESISTANCES COOLING SYSTEM SAFETY CONTROLSOPERATION PRELIMINARY OPERATION COOLINGGAS HEATING SEQUENCE OF OPERATION TABLE 9 - HEAT ANTICIPATOR SETTINGHEAT ANTICIPATOR SETPOINTS FIG. 12 - GAS VALVE PIPINGSTART-UP TABLE 10 - LIMIT CONTROL SETTINGMANIFOLD GAS PRESSURE ADJUSTMENT PRE-STARTCHECK LISTFIG.17 - BELT ADJUSTMENT FIG. 15 - PROPER FLAME ADJUSTMENTBURNER AIR SHUTTER ADJUSTMENT PILOT CHECKOUTTABLE 11 - GAS RATE - CUBIC FEET PER HOUR ADJUSTMENT OF TEMPERATURE RISECHECKING GAS INPUT FIG. 19 - TYPICAL FLUE BAFFLE INSTALLATION MAINTENANCENORMAL MAINTENANCE TROUBLESHOOTING TROUBLESHOOTING - Cont’d REPLACEMENT PARTS 530.18-N11Y Unitary Products GroupCode SBY
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Manual 24 pages 39.3 Kb

D2CG300, D2CE specifications

The York D2CE and D2CG series represent cutting-edge advancements in energy-efficient chiller technology, specifically designed to optimize performance in a variety of commercial and industrial applications. These chillers are known for their ability to deliver reliable cooling while minimizing energy consumption, making them a preferred choice for businesses aiming to reduce their carbon footprint and operational costs.

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In summary, the York D2CE and D2CG chillers are leading examples of modern HVAC engineering, combining efficiency, flexibility, and sustainability. Their innovative technologies and thoughtful design make them an excellent addition to any facility looking to enhance its cooling systems while adhering to environmental standards.