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T7770c or d wall module override led, Step 3. i/o tests, W7751h actuator checkout – Honeywell EXCEL 10 W7751H User Manual

Page 12: Step 4. verify sequences of operation

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EXCEL 10 W7751H SMART VAV ACTUATOR

Automation and Control Solutions
Honeywell International Inc.

Honeywell Limited-Honeywell Limitée

1985 Douglas Drive North

35 Dynamic Drive

Golden Valley, MN 55422

Toronto, Ontario M1V 4Z9

customer.honeywell.com

® U.S. Registered Trademark
© 2008 Honeywell International Inc.
95-7553—04 M.S. Rev. 03-08

T7770C or D Wall Module Override LED

The remote override LED, located on either the T7770C or

T7770D Wall Module will display the Manual Override mode of

the controller. The modes are:

1. LED = Off. No override active.

2. LED = Continuously On. Bypass mode (timed Occupied

override).

3. LED = One flash per second. Continuous Unoccupied

override.

4. LED = Two flashes per second. Remote only,

continuous Occupied override.

Step 3. I/O Tests

The controller can be configured using the L

ON

S

PEC

™, or

E-Vision PC configuration tool. Once this is done, the

W7751H can be commanded to MANUAL mode, and each

output and input can be exercised/viewed to verify proper

wiring connections and equipment operation.

W7751H Actuator Checkout

To check out the actuator on the W7751H, determine the

direction the damper shaft moves to open the damper (CW or

CCW). See Fig. 5.

NOTE: Devices for use only if used for Energy Management:

Q7740A,B and Q7751A.

Devices for use on an Energy Management and/or Smoke

Control:

— 14507287 Series Power Supplies,

— W7751B2010, W7751D2016, W7751F2011,

— W7751H2025 Series 9,

— W7761A2010,

— Q7750,

— Q9200,

— XFL521, XFL522, XFL523, XFL524,

— XL500,

— XLINK.

Connect the controller with the laptop PC. To do this, the

controller on the W7751H must be wired, powered, and

connected to the portable PC via the SLTA. The SLTA

connects to the controller on the W7751H via the Jack for

Network Access on T7770 Wall Modules or by the B-Port on

the Q7750A Zone Manager. From L

ON

S

PEC

™, or E-Vision

Software, drive the actuator on the W7751H open and then

closed. Observe the operation of the actuator; if the damper is

closed, it should begin to open. If the damper is open, it

should begin to close.

NOTE: Once finished programming, disconnect the portable

PC.

If no movement is observed, check to see if 24 Vac is present

at the controller on the W7751H. With proper wiring, 24 Vac

present, and proper commands from the software, the

actuator should operate properly. If not, the W7751H Smart

VAV Actuator may need to be replaced.

Step 4. Verify Sequences of Operation

For the detailed descriptions of the sequences of operation,

see the Excel 10 VAV System Engineering form 74-2949.

L

ON

W

ORKS

® and L

ON

T

ALK

® are registered trademarks of Echelon

®

Corporation.

L

ON

S

PEC

™ is a trademark of Echelon

®

Corporation.