York DC-150 User Manual

R-407C NO CHARGE
DC SERIES
7-1/2 - 12-1/2 Ton
50 Hertz
5120410-XIM-B-0216
TABLE OF CONTENTS
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Preceding Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Rigging And Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Side Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Compressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power And Control Wiring. . . . . . . . . . . . . . . . . . . . . . . . . 18
Optional Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Optional Gas Heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Gas Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Optional Hot Gas Bypass (HGBP) . . . . . . . . . . . . . . . . . . 27
Economizer Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Dry Bulb Changeover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Single Enthalpy Changeover. . . . . . . . . . . . . . . . . . . . . . . 27
Dual Enthalpy Changeover . . . . . . . . . . . . . . . . . . . . . . . . 27
Auto. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Free Cooling Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Power Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Air Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Checking Air Quantity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Sequence Of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . 48
No Outdoor Air Options . . . . . . . . . . . . . . . . . . . . . . . . . 48
Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . 49
Electric Heating Sequence Of Operations . . . . . . . . . . . . 50
Electric Heat Operation Errors . . . . . . . . . . . . . . . . . . . . 50
Gas Heating Sequence Of Operations . . . . . . . . . . . . . . . 51
Ignition Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Gas Heating Operation Errors . . . . . . . . . . . . . . . . . . . . 51
Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Start-Up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Simplicity™ SE (Smart Equipment) Firmware Version 3.
Basic Unit Control Board Navigation Examples: . . . . . . . . 57
Start-Up Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
A

York DC-150 Specifications

General

Cooling Capacity	15000 BTU/h
Refrigerant	R410A
Air Flow (High)	600 m³/h
Noise Level (Indoor Unit)	42 dB(A)
Net Weight (Outdoor Unit)	35 kg
Type	Split System Air Conditioner
Power Supply	220-240V, 50Hz

Summary

General Installation Safety

Safety Alert Symbols and Signals

Explains safety alert symbols and signal words like DANGER, WARNING, CAUTION.

Startup Precautions

Nitrogen System Handling

Unit charged with nitrogen; vent and vacuum system before startup.

Installation Procedures

Site Selection and Clearances

Rigging and Handling Guidelines

Installation Clearances and Obstructions

Specifies required clearances and warns against obstructions.

Electrical Wiring and Connections

Thermostat Wiring and Setup

Gas Connection and Safety

Airflow Performance Adjustment

Airflow Measurement and Balancing

Blower Performance Adjustment

Airflow Adjustment Warnings

Improper adjustment of air quantity can cause blower damage.

Supply Air Drive Adjustment

Blower Speed Adjustment

Procedures for adjusting blower speed using motor sheave.

Unit Operation Sequences

Cooling Sequence of Operation

Step-by-step cooling operation sequence for the unit.

Cooling System Error Handling

Compressor Protection Limits

Response to high-pressure, low-pressure, and evaporator low limit switches.

Heating System Operation

Electric Heat Operation Errors

Error conditions and responses for electric heat operation.

Gas Heating Operation Sequences

Sequence of operation for gas heating.

Gas Heating Faults and Controls

Gas Heating Operation Errors

Error conditions and responses for gas heating.

Gas Heating Safety and Settings

Unit Start-Up Procedures

Cooling System Start-Up

Procedures for starting up the cooling system.

Gas Heat System Start-Up

Gas Heat Input Measurement

Gas Heat Input Adjustment

Gas Burner and Temperature Adjustments

Burner and Orifice Servicing

Refrigerant Charging and Ignition Codes

Equipment Start-Up and Warranty

Startup Safety Warnings

Airflow Measurements

Operating Measurements - Cooling

Refrigerant Safeties Checks

Operating Measurements - Gas Heating

Staging Controls and Final Inspection

Final Inspection Checklist