York MILLENNIUM STYLE A User Manual

CONTENTS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
CV UNITS W/O ECONOMIZER . . . . . . . . . . . . . . . . 3
UNITS W/O ECONO & OPT GAS OR ELEC HEAT . . . . 5
CV UNITS WITH ECONOMIZER . . . . . . . . . . . . . . 10
CV UNITS W/ ECONOMIZER & OPTIONAL HEAT . . . 11
LIST OF FIGURES
1 POWER & CONTROL WIRING LOCATION . . . . . . . . . 3
2 EXISTING CTRL PANEL COMPONET LOC . . . . . . . . . 3
3 TYPICAL THERMOSTAT WIRING . . . . . . . . . . . . . . . . 3
4 NEW LOW VOLTAGE CONTROL COMPONETS . . . . . 4
5 CV UNIT W/O A ECONO WIRING DIA . . . . . . . . . . . . . 6
6 CV UNIT W/O ECONO WIRING DIA . . . . . . . . . . . . . . . 7
7 COOLING UNIT W/ ELEC HT DIA & W/O ECONO . . . . 8
8 CV UNIT W/ GAS HT & W/O ECONO WIRING DIA . . . 9
9 CV UNIT W/ ECONO WIRING DIA . . . . . . . . . . . . . . . 12
10CV UNIT W/ ECONO CONNECTION DIA . . . . . . . . . . 13
11CV UNIT W/ GAS HT & ECONO WIRING DIA . . . . . . 14
12UNIT W/ ECONO & ELEC HT WIRING DIA . . . . . . . . . 15
LIST OF TABLES
1 PARTS SUPPLIED FOR CONTROL CHANGE . . . . . . . 2
2 PARTS SUPPLIED FOR CV UNITS W/O ECONO . . . . 2
3 PARTS SUPPLIED FOR CV UNITS W/ OPT HEAT . . . 3
4 PARTS SUPPLIED FOR CV UNITS W/ ECONO . . . . . 10
5 PARTS SUPPLIED FOR CV UNITS W/ OPT HEAT . . 10
INSTALLATION
INSTRUCTION
CAUTION: READ ALL SAFETY GUIDES BEFORE YOU
BEGIN TO INSTALL YOUR UNIT.
SAVE THIS MANUAL
MILLENNIUM™ ROOFTOP
CONTROLS UPGRADE FROM STYLE A TO
STYLE C
035-16728-000 REV A (799)Form 530.70-N1.11Y
MODELS:
Y13
Y14
STYLE A TO STYLE C

York MILLENNIUM STYLE A Specifications

General

Brand	York
Model	MILLENNIUM STYLE A
Category	Air Conditioner
Language	English

Summary

INSTALLATION INSTRUCTION

MILLENNIUM™ ROOFTOP CONTROLS UPGRADE

Details the upgrade process for Millennium Rooftop controls from Style A to Style C.

APPLICABLE MODELS

Specifies the applicable models for the upgrade procedure.

UPGRADE PATH

Indicates the specific upgrade path covered in this manual.

UNIT DESCRIPTIONS

CV UNITS W/O ECONOMIZER

Covers constant volume units without an economizer.

CV UNITS WITH ECONOMIZER

Covers constant volume units equipped with an economizer.

General Safety and Operational Notes

Read All Safety Guides Before Installation

Emphasizes reading all safety guides before beginning unit installation.

Open All Disconnects Before Servicing

Critical instruction to open all disconnects before performing any service on the unit.

New Low Voltage Control Component Installation

Wiring and Connection Procedures

Outlines the specific steps for connecting wires and installing new components.

Installation Procedures for Units W/O Economizer

Handling Optional Gas or Electric Heat

Step-by-step guide for units without an economizer and with optional heat.

CV UNITS WITH ECONOMIZER: PARTS AND PROCEDURES

Control Module Wiring Instructions

Specific instructions for wiring the control module for units with an economizer.

Economizer Unit Safety Precautions

Highlights safety instructions relevant to units with an economizer.

CV UNITS WITH ECONOMIZER AND OPTIONAL HEAT: PROCEDURES

Wiring Procedures for Optional Heat

Details the wiring steps for units with an economizer and optional heat.