Instruction/ maintenance manual of the product STYLE A Millennium Enterprises
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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 E CONOMIZER . . . . . . . . . . . . . . 10 CV UNITS W/ ECONOMIZER & OPT IONAL HEAT .
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.
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 ).
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.
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.
530.70-N1.1 1Y 6 Unitary Produ cts Grou p FIGURE 5 : CONST ANT VOLUME UNIT WITHOUT A ECONOMIZE R WIRING DIAGRAM.
530.70-N1 .11Y Unitary Pro ducts Group 7 FIGURE 6 : CONST ANT VOLUME UNIT W/O E CONOMIZER WIRING DIAGRAM.
530.70-N1.1 1Y 8 Unitary Produ cts Grou p FIGURE 7 : COOLING UNIT WITH ELECTRIC HEA T DIAGRAM A ND WITHOUT ECONOMIZER.
530.70-N1 .11Y Unitary Pro ducts Group 9 FIGURE 8 : CV UNIT WITH GAS HEA T AND W ITHOUT ECONOMIZER WIRING DIAGRAM.
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.
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.
530.70-N1.1 1Y 12 Unitary Produ cts Grou p FIGURE 9 : CONST ANT VOLUME UNIT WITH E CONOMIZER WIRING DIAGRAM.
530.70-N1 .11Y Unitary Pro ducts Group 13 FIGURE 10 : C ONST ANT VOLUME UNIT WITH E CONOMIZER CONNECTION DIAGRAM.
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.
530.70-N1 .11Y Unitary Pro ducts Group 15 FIGURE 12 : U NIT WITH ECONOMIZER AND E LECTRIC HEA T WIRING DIAGRAM.
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.
An important point after buying a device Millennium Enterprises STYLE A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Millennium Enterprises STYLE A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Millennium Enterprises STYLE A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Millennium Enterprises STYLE A you will learn all the available features of the product, as well as information on its operation. The information that you get Millennium Enterprises STYLE A will certainly help you make a decision on the purchase.
If you already are a holder of Millennium Enterprises STYLE A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Millennium Enterprises STYLE A.
However, one of the most important roles played by the user manual is to help in solving problems with Millennium Enterprises STYLE A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Millennium Enterprises STYLE A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
