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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
10 CV UNIT W/ ECONO CONNECTION DIA  . . . . . . . . . .  13
11 CV UNIT W/ GAS HT & ECONO WIRING DIA   . . . . . .  14
12 UNIT 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

Summary of Contents for MILLENNIUM STYLE A

Page 1: ... 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 INSTALLAT...

Page 2: ...metal Screws 1 035 16634 000 CV w ECON Wiring Diagram 1 035 16636 000 CV w ECON Connection Diagram 1 035 16635 000 CV W O ECON Wiring Diagram 1 035 16637 000 CV W O ECON Connection Diagram 1 035 16165 000 CV Electric Heat Wiring Diagram 1 035 16148 000 CV Gas Heat Wiring Diagram 1 373 22695 000 CV With Economizer Wire Pkg 1 1 See Table 4 for complete listing of wires in the CV with Economizer Pack...

Page 3: ...sconnect wire 204 BR from the TR terminals on the w7400 control module NOTE These wires will be used with the new controls 4 Disconnect thermostat wire from terminals 1 4 on the W7400 control module NOTE This wire will be used with the new controls NOTE STEPS 5 THROUGH 7 ARE FOR OPTIONAL HEAT ONLY TABLE 3 PARTS SUPPLIED FOR CV UNITS WITH OPTIONAL HEAT QTY PART NO DESCRIPTION 1 373 18689 610 820 Y ...

Page 4: ...g steps 13 34 see Figures 5 and 6 respectively 13 Attach wire 230 R from 8T 7 to TB12 R 14 Attach wire 836 BR from TB2 to 8T 6 15 Attach wire 842 BR from 8T 6 to MR B 16 Attach wire 814 BR from MR B to CR1 B 17 Attach wire 813 BR from CR1 B to CR2 B 18 Attach wire 812 BR from CR2 B to CR3 B 19 Attach wire 834 BR from CR3 B to CR4 B 20 Attach wire 835 BR from CR4 B to TB12 C 21 Attach wire 800 GY f...

Page 5: ...7 for Gas Heat and Figure 8 for Electric Heat NOTE This wire will be used with the new controls 38 Mount WR1 WR2 relays in the heat section 39 Attach wire 526 R to the new location on 8T 7 40 Attach wire 845 W from TB12 W1 to WR1 A 41 Attach wire 844 GY from TB12 W2 to WR2 A1 42 Attach wire 820 Y from CR4 7 to WR1 7 43 Attach wire 823 Y from WR1 7 to WR2 71 44 Attach wire 826 BR from WR1 B to WR2 ...

Page 6: ...530 70 N1 11Y 6 Unitary Products Group FIGURE 5 CONSTANT VOLUME UNIT WITHOUT A ECONOMIZER WIRING DIAGRAM ...

Page 7: ...530 70 N1 11Y Unitary Products Group 7 FIGURE 6 CONSTANT VOLUME UNIT W O ECONOMIZER WIRING DIAGRAM ...

Page 8: ...530 70 N1 11Y 8 Unitary Products Group FIGURE 7 COOLING UNIT WITH ELECTRIC HEAT DIAGRAM AND WITHOUT ECONOMIZER ...

Page 9: ...530 70 N1 11Y Unitary Products Group 9 FIGURE 8 CV UNIT WITH GAS HEAT AND WITHOUT ECONOMIZER WIRING DIAGRAM ...

Page 10: ...he W7400 control module TABLE 4 PARTS SUPPLIED FOR CV UNITS W ECONOMIZER QTY PART NO DESCRIPTION 1 373 18641 653 201 R 816 R 252 R 1 373 18641 654 257 Y 817 Y 818 Y 819 Y 1 373 18641 655 307 O 318 O 828 O 1 373 18641 658 842 BR 814 BR 813 BR 812 BR 811 BR 843 BR 841 BR 1 AB008RED7171230 230 R 1 AB024ORN7171244 244 O 1 AB027GRA7171248 248 GY 1 AB020RED5471250 250 R 1 AB022GRA7171800 800 GY 1 AB007Y...

Page 11: ...1 7 29 Attach wire 244 O from CR2 5 to LOR1 2 9 30 Attach wire 839 PR from CR3 5 to LOR2 1 7 31 Attach wire 248 GY from CR4 5 to LOR2 2 9 32 Attach wire 252 R from CLO1 to MR 7 33 Attach wire 816 R from MR 7 to 8T 1 34 Attach wire 257 Y from APS NO to BRI 7 35 Attach wire 201 R from 8T 1 to 30FU 36 Attach wire 817 Y from CR1 7 to CR2 7 37 Attach wire 818 Y from CR2 7 to CR3 7 38 Attach wire 819 Y ...

Page 12: ...530 70 N1 11Y 12 Unitary Products Group FIGURE 9 CONSTANT VOLUME UNIT WITH ECONOMIZER WIRING DIAGRAM ...

Page 13: ...530 70 N1 11Y Unitary Products Group 13 FIGURE 10 CONSTANT VOLUME UNIT WITH ECONOMIZER CONNECTION DIAGRAM ...

Page 14: ...530 70 N1 11Y 14 Unitary Products Group FIGURE 11 CV UNIT WITH GAS HEAT AND ECONOMIZER WIRING DIAGRAM ...

Page 15: ...530 70 N1 11Y Unitary Products Group 15 FIGURE 12 UNIT WITH ECONOMIZER AND ELECTRIC HEAT WIRING DIAGRAM ...

Page 16: ...Subject to change without notice Printed in U S A Copyright by YORK Unitary Products 1999 All rights reserved Supersedes Nothing 530 70 N1 11Y 799 YORK 5005 Norman Unitary YORK OK Products Drive 73069 ...

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