York R-410A - Manual

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Page 2 – Unitary Products Group; Inspection; Contact your local York; Nomenclature; EX
Page 3 – Installation; Limitations; Figure 1: Component Location
Page 4 – Location; Clearances; Rigging And Handling; MUST
Page 5 – Unit Dimensions; Unit Accessory Weights
Page 6 – Figure 4: Dimensions Front and Bottom
Page 7 – Ductwork; Seal duct covers with silicone caulk.; Roof Curb
Page 9 – Figure 8: Typical Field Control Wiring Diagram 2 Stage Thermostat; Electrical Data
Page 10 – Physical Data
Page 11 – Compressors; POE oil; in the system. This type of oil is highly
Page 12 – Phasing; Airflow Performance; Do not loosen compressor mounting bolts.; Side Duct Application
Page 13 – Bottom Duct Application
Page 14 – Additional Static Resistance
Page 15 – Table 10: Electric Heat Minimum Supply Air
Page 16 – Table 13: DEX024 Superheat Charging
Page 17 – Blower Speed Selection; Find the recommended system airflow for the unit model.; To Set Delay Profile:; Table 18: DEY060 Superheat Charging
Page 18 – Figure 10: Control Board Speed Tap Location; Operation; Cooling Sequence Of Operations; Please refer to Tables 20 and 21 for more information.; Electric Heat Limit Switch Operation
Page 20 – Maintenance; Normal Maintenance; Inspect once a month. Replace Disposable or clean; Troubleshooting
Page 21 – Typical Wiring Diagrams
Page 24 – R-410A QUICK REFERENCE GUIDE; efrigerant cylinders are rose colored.

Loading the manual

R-410A
AFFINITY SERIES

DEX024-048

DEY060
2-5 Ton

GZKDJRRJDGHZ2[JZFJR

ISO 9001

Certified Quality

Management System

288429-YIM-A-0307

TABLE OF CONTENTS

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Rigging And Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Service Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Power And Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Compressors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Phasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Airflow Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Blower Speed Selection . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Cooling Sequence Of Operations . . . . . . . . . . . . . . . . . . . 18
Heating Sequence Of Operations . . . . . . . . . . . . . . . . . . . 18

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Normal Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Typical Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . 21

LIST OF TABLES

1 Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Unit Accessory Weights . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Unit Dimensions Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Unit Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
5 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7 Side Duct Application . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
8 Bottom Duct Application . . . . . . . . . . . . . . . . . . . . . . . . . 13
9 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . 14

10 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . 15
11 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . . 15

12 Electric Heat Multipliers . . . . . . . . . . . . . . . . . . . . . . . . . 15
13 DEX024 Superheat Charging . . . . . . . . . . . . . . . . . . . . . 16
14 DEX030 Superheat Charging . . . . . . . . . . . . . . . . . . . . . 16
15 DEX036 Superheat Charging . . . . . . . . . . . . . . . . . . . . . 16
16 DEX042 Superheat Charging . . . . . . . . . . . . . . . . . . . . . 16
17 DEX048 Superheat Charging . . . . . . . . . . . . . . . . . . . . . 17
18 DEY060 Superheat Charging . . . . . . . . . . . . . . . . . . . . . 17
19 Delay Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
20 Thermostat Signals (Single Phase Units) . . . . . . . . . . . . 19
21 Thermostat Signals (Three Phase Units) . . . . . . . . . . . . 19

LIST OF FIGURES

1 Component Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4 Dimensions Front and Bottom . . . . . . . . . . . . . . . . . . . . . 6
5 Dimensions Back and Bottom . . . . . . . . . . . . . . . . . . . . . 6
6 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
7 Typical Field Control Wiring Diagram Single Stage

Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

8 Typical Field Control Wiring Diagram 2 Stage

Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

9 Typical Field Power Wiring Diagram . . . . . . . . . . . . . . . . 9

10 Control Board Speed Tap Location . . . . . . . . . . . . . . . . 18
11 R-410A Quick Reference Guide . . . . . . . . . . . . . . . . . . 24

General

YORK

Affinity Models DEX and DEY units are factory

assembled cooling units designed for outdoor installation on a
roof top or a slab. Field-installed electric heater accessories are
available to provide supplemental electric heat combined with
electric cooling.

The units are completely assembled on rigid, removable base
rails. All piping, refrigerant charge, and electrical wiring is
factory installed and tested. The units require only electric
power and duct connections at the point of installation.

The electric heaters have nickel-chrome resistance wire
elements and utilize single point power connection.

Safety Considerations

This is a safety alert symbol . When you see this symbol on
labels or in manuals, be alert to the potential for personal injury.

Understand and pay particular attention the signal words

DANGER

WARNING

CAUTION

DANGER

indicates an

imminently

hazardous situation, which,

if not avoided,

will result in death or serious injury.

WARNING

indicates a

potentially

hazardous situation, which,

if not avoided,

could result in death or serious injury.

CAUTION

indicates a potentially hazardous situation, which, if

not avoided

may result in minor or moderate injury.

It is also

used to alert against unsafe practices and hazards involving
only property damage.

Improper installation may create a condition where the
operation of the product could cause personal injury or
property damage. Improper installation, adjustment,
alteration, service or maintenance can cause injury or
property damage. Refer to this manual for assistance or
for additional information, consult a qualified contractor,
installer or service agency.

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Summary

Page 2 - Unitary Products Group; Inspection; Contact your local York; Nomenclature; EX

288429-YIM-A-0307 2 Unitary Products Group Due to system pressure, moving parts, and electrical components, installation and servicing of air conditioning equipment can be hazardous. Only qualified, trained service personnel should install, repair, or service this equipment. Untrained personnel can ...

Page 3 - Installation; Limitations; Figure 1: Component Location

288429-YIM-A-0307 Unitary Products Group 3 Installation Limitations These units must be installed in accordance with the following national and local safety codes. 1. National Electrical Code ANSI/NFPS No. 70 or Canadian Electrical Code Part 1, C22.1 (latest editions). 2. Local plumbing and waste wa...

Page 4 - Location; Clearances; Rigging And Handling; MUST

288429-YIM-A-0307 4 Unitary Products Group Location Use the following guidelines to select a suitable location for these units. 1. Unit is designed for outdoor installation only. 2. Condenser must have an unlimited supply of air. Where a choice of location is possible, position unit on either north ...