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Millennium Enterprises Y14 manual

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Table of contents for the manual

  • Page 1

    CONTENTS DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 CV UNITS W/O ECONOMIZER . . . . . . . . . . . . . . . . 3 UNITS W/O ECONO & OPT GAS OR ELEC HEAT . . . . 5 CV UNITS WITH E CONOMIZER . . . . . . . . . . . . . . 10 CV UNITS W/ ECONOMIZER & OPT IONAL HEAT . . . 11 LIST OF FIGURES 1 POWER & CONTROL WIRING LOC[...]

  • Page 2

    530.70-N1.1 1Y 2 Unitary Produ cts Grou p DESCRIPTION The inst allati on of this kit (2R T047 01A) repl aces the W 7400 module and w ill obso lete the T7400 thermos tat. A new th er- mostat will be required to operate th e unit. This ki t cont ains all necessa ry elec trical c omponents , she et- metal pa rts, and w ires to repla ce the W740 0 modu[...]

  • Page 3

    530.70-N1 .11Y Unitary Pro ducts Group 3 The new thermos tat require s a therm ostat c able with a mini- mum of 10 co nductors that run from the sub-ba se to the con- trol box. Th e new wire w ill be con nected as shown in Figu re 3. 1. Locate t he W74 00 control modu le in t he box-ele ctric (Figures 1 and 2 ). 2. Remove t he follow ing wi res for[...]

  • Page 4

    530.70-N1.1 1Y 4 Unitary Produ cts Grou p 5. Disconn ect wire 526/R fro m the 30F U locat ion. NOTE: This wire will be us ed with the new contro ls. 6. Disconn ect w ire 533 /GY from the W7400 c ontrol modul e G termi nal. 7. Disconn ect wire s 510/GY and 51 2/w from W1 & W2. NOTE: These wi res wil l be used with the new contro ls. 8. Remove th[...]

  • Page 5

    530.70-N1 .11Y Unitary Pro ducts Group 5 31. Attach wire 81 6/R from MR-7 to 8T-2 . 32. Attach wire 201/R from 8T-1 to 30F U. 33. Attach wire 204/BR t o the new location on 8T-2. 34. Attach wire 25 7/Y from APS-N0 t o CR1-7. 35. Attach wire 81 7/Y from CR1-7 to CR2-7. 36. Attach wire 81 8/Y from CR2-7 to CR3-7. 37. Attach wire 81 9/Y from CR3-7 to [...]

  • Page 6

    530.70-N1.1 1Y 6 Unitary Produ cts Grou p FIGURE 5 : CONST ANT VOLUME UNIT WITHOUT A ECONOMIZE R WIRING DIAGRAM[...]

  • Page 7

    530.70-N1 .11Y Unitary Pro ducts Group 7 FIGURE 6 : CONST ANT VOLUME UNIT W/O E CONOMIZER WIRING DIAGRAM[...]

  • Page 8

    530.70-N1.1 1Y 8 Unitary Produ cts Grou p FIGURE 7 : COOLING UNIT WITH ELECTRIC HEA T DIAGRAM A ND WITHOUT ECONOMIZER[...]

  • Page 9

    530.70-N1 .11Y Unitary Pro ducts Group 9 FIGURE 8 : CV UNIT WITH GAS HEA T AND W ITHOUT ECONOMIZER WIRING DIAGRAM[...]

  • Page 10

    530.70-N1.1 1Y 10 Unitary Produ cts Grou p CV UNITS WITH ECONOMIZER The new thermos tat require s a therm ostat c able with a mini- mum of 10 co nductors that run from the sub-ba se to the con- trol box. T he new w ire will b e connec ted as shown in Figu re 3. 1. Locate t he W74 00 control modu le in the e lectric/c ontrol panel (Se e Figure 1). 2[...]

  • Page 11

    530.70-N1 .11Y Unitary Pro ducts Group 11 NOTE: Steps 6 through 8 a re for op tional he at only . 5. Disconn ect wire 526/R fro m the 30F U locat ion. 6. Disconn ect wire 512/W and 510/GY fro m the W 7400 control modul e W1 and W 2 termi nals. NOTE: This wire will be us ed with the new contro ls. 7. Disconn ect wire 533/GY fro m the W74 00 G term i[...]

  • Page 12

    530.70-N1.1 1Y 12 Unitary Produ cts Grou p FIGURE 9 : CONST ANT VOLUME UNIT WITH E CONOMIZER WIRING DIAGRAM[...]

  • Page 13

    530.70-N1 .11Y Unitary Pro ducts Group 13 FIGURE 10 : C ONST ANT VOLUME UNIT WITH E CONOMIZER CONNECTION DIAGRAM[...]

  • Page 14

    530.70-N1.1 1Y 14 Unitary Produ cts Grou p FIGURE 1 1 : CV UNIT W ITH GAS HEA T AND ECONOMIZER WIR ING DIAGRAM[...]

  • Page 15

    530.70-N1 .11Y Unitary Pro ducts Group 15 FIGURE 12 : U NIT WITH ECONOMIZER AND E LECTRIC HEA T WIRING DIAGRAM[...]

  • Page 16

    Subject to change without notice. Printe d in U.S.A. Copyright © by YORK Unita ry Prod ucts 1999. All rights re served. Superse des: Nothing 530.70- N1.11Y (7 99) YORK 5005 Norman Unitary YORK OK Products Drive 73069[...]