Auto-zone-control-systems EZ-Zone to Auto-Zone Upgrade Guide (Version 01C) Manual de usuario descargar pdf (Pagina 23)

EZ Zone/Auto-Zone

Upgrade 23

Honeywell Economizer Actuators

24VAC

Zone Manager

Wiring OE266-01 Actuator Interface Module Kit To Zone Manager (Basic & Plus Systems)

Installing MS000204 Interface Module To Honeywell M7415 Or 7405 Actuator

Q769C1007 Interface Module

(WM # MS002004)

Warning:

An Isolation Transformer

Must Be Used For Connection To

Actuator Or Serious Damage Will

Result

TR1

TB2

OUTPUTS

ANALOG

N.O.

CONTACTS

EXHAUST

AUX3

GND

AUX2

AUX1

ANALOG

SAT

OAT

RAT

INPUTS

+12V

Honeywell Series M7415

Or M7405 Actuator

24 VAC

TR1

SENSOR

MIN

POSN

M7415A1014

025-26250

7415A1014

025-26250

24 VAC - Isolation Transformer

(WM # WP000019)

Honeywell M7415 Actuator

Without Interface Module

Honeywell M7415 Actuator With

Q769C1007 (WM # MS000204)

Interface Module Installed

Place Interface Module On

Terminals P1 and P

Figure 11: Honeywell Economizer Actuators Wiring Information

When the HVAC units that are being upgraded to

the Auto-Zone system are equipped with either the

Honeywell M7415 or M7405 economizer actua-

tors, an interface module and a isolation transformer

are required in order to connect and use the econo-

mizer outputs on the Auto-Zone system. The inter-

face module converts the Honeywell actuator from

0-5VDC operation to 0-10VDC operation. An iso-

lation transformer is also required for this installa-

tion to prevent voltage feedback to the control sys-

tem. The OE266-01 Actuator Interface Module kit

is available from WattMaster. This kit includes both

the MS000204 Interface Module and a 24VAC Iso-

lation Transformer.

Warning: Both the interface module and a 24VAC

isolation transformer must be installed as shown

below when connecting to the Honeywell M7415

or M7405 actuator. Failure to install these com-

ponents as shown can result in serious damage to

the Auto-Zone controller board.

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Auto-zone-control-systems EZ-Zone to Auto-Zone Upgrade Guide (Version 01C) Manual de usuario Pagina 23

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