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8

INSTALLER’S GUIDE

Figure 8. *WCZ & *DCZ Economizer Connection Diagram

A

A

A

A

A

A

A

ACCE

SSO

RY 

MO

DEL

S

BA

YE

CO

N1

03

AA/

AB

/A

C

BA

YE

CO

N1

04

AA/

AB

/A

C

BA

YE

CO

N2

03

AA/

AB

/A

C

BA

YE

CO

N2

04

AA/

AB

/A

C

IMPORTANT

-Retain this wiring diagram; please return this document to service information pack upon completion of work.

W

iring Diagram for Economizer Using a Honeywell W7212 Logic

Summary of Contents for BAYECON203AA

Page 1: ...lock out all unit disconnects prior to ac cessory installation or unit maintenance to prevent injury or death from electrical shock or contact with moving parts SAFETY HAZARD Do not remove end covers...

Page 2: ...cure all wires with wire ties so that there is no interference with any moving parts in the unit 11 In the Control Box complete the wiring connections per the appropriate wiring diagram on pages 6 and...

Page 3: ...7 8 15 11 16 11 11 16 15 BAYECON204AA AB AC 26 22 21 32 19 17 11 16 14 11 16 21 3 8 Economizer Logic Module Logic Module not shown located inside economizer Mixed Air Sensor Duct Rain Hood Mist Elimi...

Page 4: ...ting Location of Mixed Air Sensor 1 From economizer assembly pass wire harness through coil Grommet See View A 2 Continue routing behind compressor compartment and into Blower Compartment Coil Grommet...

Page 5: ...5 INSTALLER S GUIDE Figure 5 Mount BAYRLAY006A ICMC Board Relays DFC...

Page 6: ...Figure 6 YCZ Economizer Connection Diagram IMPORTANT Retain this wiring diagram please return this document to service information pack upon completion of work Wiring Diagram for Economizer Using a Ho...

Page 7: ...gure 7 WCZ DCZ Economizer Connection Diagram IMPORTANT Retain this wiring diagram please return this document to service information pack upon completion of work Wiring Diagram for Economizer Using a...

Page 8: ...A A ACCESSORY MODELS BAYECON10 3AA AB AC BAYECON10 4AA AB AC BAYECON20 3AA AB AC BAYECON20 4AA AB AC IMPORTANT Retain this wiring diagram please return this document to service information pack upon c...

Page 9: ...A A ACCESSORY MODELS BAYECON103AA AB AC BAYECON104AA AB AC BAYECON203AA AB AC BAYECON204AA AB AC IMPORTANT Retain this wiring diagram please return this document to service information pack upon compl...

Page 10: ...representative MODEL DRIVE MOTOR OPEN DRIVE MOTOR CLOSED SPRING RETURN M7415 Power to TR and TR1 jumper T and T1 Disconnect jumper at T or T1 and disconnect P or P1 if connected Disconnect power at TR...

Page 11: ...a DC multimeter between terminal So of the W7459A and terminal S of the enthalpy sensor See Fig 11 positive meter lead to terminal S of the enthalpy sensor Multimeter indication is between 3 and 25 m...

Page 12: ...47 3 507 57 2 14 5 000 3 420 59 0 15 4 767 3 373 60 8 16 4 545 3 328 62 6 17 4 335 3 283 64 4 18 4 136 3 239 66 2 19 3 948 3 180 68 0 20 3 769 3 157 69 8 21 3 599 3 118 71 6 22 3 437 3 080 73 4 23 3 2...

Page 13: ...Fan contacts are open Disconnect devices at P and P1 Jumper P to P1 defaults to on board MIN POS potentiometer Place 5 6K ohm resistor across T and T1 Blue sleeve provides input to economizer that the...

Page 14: ...t 45 degrees open Adjust DCV MAX towards CW Motor will move to position set by DCV MAX pot Adjust DCV MAX to fully CCW Motor will drive closed Reconnect jumper to N terminal Adjust DCV MAX and MIN POS...

Page 15: ...plications For more information please visit www trane com or www americanstandardair com The manufacturer has a policy of continuous data improvement and it reserves the right to change design and sp...

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