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York DM SERIES User Manual

York DM SERIES
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R-410A
DM SERIES
3 - 6.3 Ton
50 Hertz
5011492-XIM-B-0815
TABLE OF CONTENTS
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installation Safety Information. . . . . . . . . . . . . . . . . . . . . . . 7
Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Rigging And Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Compressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Service Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Typical Cool/Heat Control Wiring (Simplicity SE
DM036-072) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Power And Control Wiring. . . . . . . . . . . . . . . . . . . . . . . . . 12
Optional Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Optional Gas Heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Gas Piping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Gas Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
L.p. Units, Tanks And Piping. . . . . . . . . . . . . . . . . . . . . . . 15
Vent And Combustion Air Hoods . . . . . . . . . . . . . . . . . . . 16
Jade Economizer Interface Overview . . . . . . . . . . . . . . . . 17
Simplicity SE Economizer Sequences . . . . . . . . . . . . . . . 19
Dry Bulb Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Single Enthalpy Changeover. . . . . . . . . . . . . . . . . . . . . . . 19
Dual Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . 19
Auto. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Free Cooling Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Power Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
DM036-076 Unit Weights . . . . . . . . . . . . . . . . . . . . . . . . . 25
Phasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Supply Air Blowers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Checking Supply Airflow Rate. . . . . . . . . . . . . . . . . . . . . . 35
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . 36
Electric Heating Sequence Of Operations . . . . . . . . . . . . 38
Safety Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Heat Anticipator Setpoints. . . . . . . . . . . . . . . . . . . . . . . . . 39
Gas Heating Sequence Of Operation . . . . . . . . . . . . . . . . 39
Gas Heat Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . 39
Flash Codes Or Error Messages. . . . . . . . . . . . . . . . . . . . 40
Heat Anticipator Setpoints. . . . . . . . . . . . . . . . . . . . . . . . . 40
Start-up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Prestart Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Operating Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Post Start Check List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Shut Down. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Start-up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Pre-start Check List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Operating Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Post-start Check List (Gas). . . . . . . . . . . . . . . . . . . . . . . . 41
Manifold Gas Pressure Adjustment. . . . . . . . . . . . . . . . . . 42
Pilot Checkout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Burner Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Burner Air Shutter Adjustment . . . . . . . . . . . . . . . . . . . . . 42
Checking Gas Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Adjustment Of Temperature Rise . . . . . . . . . . . . . . . . . . . 43
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Cooling Troubleshooting Guide. . . . . . . . . . . . . . . . . . . . . 44
Gas Heat Troubleshooting Guide . . . . . . . . . . . . . . . . . . . 45
Flash Code Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . 46
Symptomatic Troubleshooting. . . . . . . . . . . . . . . . . . . . . . 48
Unit Flash Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Fan On And Off Delays. . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Simplicity SE Control Board Navigation Components . . . . . . 50
Simplicity™ SE (Smart Equipment) Firmware Version 3.
Basic Unit Control Board Navigation Examples: . . . . . . . . 51
Typical Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Simplicity® Lite Control Board . . . . . . . . . . . . . . . . . . . . . 59
Simplicity® Smart Equipment (SSE). . . . . . . . . . . . . . . . . 63
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
A

Table of Contents

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York DM SERIES Specifications

General IconGeneral
RefrigerantR-410A
Cooling Capacity18, 000 - 60, 000 BTU/h
Power Supply208-230V, 1 Phase, 60Hz (depending on model)
Dimensions (Indoor Unit)Varies by model
Dimensions (Outdoor Unit)Varies by model
Weight (Indoor Unit)Varies by model
Weight (Outdoor Unit)Varies by model

Summary

Fire or Explosion Hazard

R-410A Refrigerant Caution

Product Nomenclature

Installation

Installation Safety Information

Crucial safety steps for installation.

Typical Wiring Diagrams

Typical Cool/Heat Control Wiring (Simplicity SE DM036-072)

Specific wiring diagram for SE control.

Optional Gas Heat

Gas Connection

Procedures for connecting the gas supply line.

Optional Economizer And Power Exhaust Damper Set Point Adjustments And Information

Simplicity SE Economizer Controller

Electrical Data

Supply Air Blower Performance

Belt Drive Motor And Drive Data

Checking Supply Airflow Rate

Method for measuring supply air flow.

Operation

Cooling Sequence Of Operation

Step-by-step cooling operation.

Cooling Operation Errors

Troubleshooting cooling system faults.

High-Pressure Limit Switch

Safety control for high pressure.

Low-Pressure Limit Switch

Safety control for low pressure.

Safety Controls

General safety controls for the unit.

Compressor Protection

Methods used to protect the compressor.

Flash Codes or Error Messages

Diagnostic codes for system issues.

Electric Heating Sequence Of Operations

Step-by-step operation of electric heating.

Safety Controls

Safety controls specific to electric heating.

Limit Control Setting

Heat Anticipator Setpoints

Gas Heating Sequence Of Operation

Gas Heat Operation Errors

Temperature Limits

Centrifugal Switch

Rollout Switch

Flame Sense Circuit

Start-Up (Cooling)

Prestart Check List (Cooling)

Checks before starting cooling operation.

Start-Up (Gas Heat)

Pre-Start Check List (Gas Heat)

Checks before starting gas heat operation.

Manifold Gas Pressure Adjustment

Checking Gas Input

Adjustment Of Temperature Rise

Troubleshooting

Cooling Troubleshooting Guide

Specific troubleshooting steps for cooling problems.

Gas Heat Troubleshooting Guide

Specific troubleshooting steps for gas heating problems.

Flash Code Troubleshooting

Diagnosing issues using flash codes.

Symptomatic TroubleShooting

Troubleshooting based on observed symptoms.

Unit Flash Codes

Explanation of unit diagnostic flash codes.

Simplicity SE Control Board Navigation Components

Simplicity™ SE Control Board Navigation Examples

Simplicity SE UCB Details

Simplicity SE UCB Details (Continued)

Continued details of the SE UCB.

Start-Up & Service Data Instruction

Equipment Startup

Step-by-step guide for unit startup.

Safety Warnings

General safety precautions before starting work.

Operating Measurements - Air Flow

Operating Measurements - Cooling

Refrigerant Safeties

Safety checks related to refrigerant systems.

Operating Measurements - Gas Heating

Measurements taken during gas heating operation.

Operational Measurements - Staging Controls

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