Honeywell Excel 10 User manual

® U.S. Registered Trademark

95- 7485- 3

Excel 10

W7763C,D,E CHILLED CEILING

CONTROLLERS

INSTALLATION INSTRUCTIONS

The Excel 10 Chilled Ceiling Controller is available in the

following three models:

1. W7763C—with integral setpoint adjustment,

temperature sensor, and bypass push-button.

2. W7763D—with integral setpoint adjustment only.

3. W7763E—no integral setpoint adjustment, sensor, or

push-button.

The models all have similar housings and mounting pro-

cedures.

IMPORTANT

It is recommended that devices be kept at room

temperature for at least 24 hours before applying

power to allow any condensation resulting from low

shipping/storage temperatures to evaporate.

INSTALLATION

W7763 Chilled Ceiling Controllers can be mounted on a

panel or wall or onto a standard 60-mm wall outlet box using

No. 6 (3.5-mm) screws. See Fig. 1 for outside dimensions

and Fig. 2 for subbase mounting dimensions.

The controller can be mounted in any orientation desired;

however, for thermal reasons, W7763C Controllers must not

be mounted on a ceiling.

Wiring

All wiring must comply with applicable electrical codes and

ordinances. Refer to job or manufacturers’ drawings for

details.

Power

Input power provided must be 24 Vac (±20%), 50 or 60 Hz.

For US installation, power must come from an energy-limited

Class II Power Source (transformers must not exceed

100 VA). More than one W7763 Controller can be powered

by a single transformer.

CAUTION

Turn off power prior to connecting to or removing con-

nections from any terminals to avoid electrical shock

or equipment damage.

Use the heaviest gauge wire available, up to 14 AWG

(2.5 mm2)with a minimum of 18 AWG (1.0 mm2) for all power

wiring.

1-13/16 (46) 4-9/16 (116)

3-3/8

(86)

Fig. 1. Excel 10 Chilled Ceiling Controller outside dimensions in in. (mm).

BEFORE INSTALLATION

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W7763C,D,E CHILLED CEILING CONTROLLERS

95-7485-3 2

Fig. 2. Subbase mounting dimensions.

IMPORTANT (US only)

If the W7763 Controller is used on UL 1995 Heating

and Cooling Equipment and the transformer

primary power is more than 150 Vac, connect the

transformer’s secondary to earth ground. For these

applications, only one Excel 10 controller can be

Communications

Wire the controller's LONWORKS® network using level IV 22

AWG (Belden part number 9D220150) or plenum-rated level

IV 22 AWG (Belden part number 9H2201504) nonshielded,

twisted pair, solid conductor wire. When possible, use

Honeywell AK3781, AK3782, AK3791, or AK3792 cable (US

part numbers). See E-Bus (LONWORKS® network) Wiring

Practices, form number 74-2865, for more information

including maximum lengths.

Pull the cable to each controller on the LONWORKS® network

and connect to terminals 19 and 20.

The W7763 Chilled Ceiling Controller utilizes a free topology

transceiver (FTT10A) Link Power compatible LONWORKS®

network that allows daisy-chain, loop, and star network con-

figurations or any combination thereof. Depending upon the

LONWORKS® network configuration used, one or two ter-

mination modules, part number 209541B, may be required.

Different connections to the termination module are

necessary, depending upon whether it is used in a singly- or

doubly-terminated network configuration. See Excel 10

FTT/LPT 209541B Termination Module Installation

Instructions, form 95-7554.

NOTES:

— The LONWORKS® network is insensitive to polarity,

eliminating installation errors due to miswiring.

— Do not bundle output wires with sensor, digital input or

communications bus wires. Maintain a minimum 3 in.

(76 mm) separation between LONWORKS® network and

Triac output and power supply wiring.

— During installations, try to avoid areas of high electro-

magnetic noise (EMI).

— Chilled Ceiling Controllers have a 3.5-mm LONWORKS®

network jack for easy network access.

— For more information see E-Bus (LONWORKS® network)

Wiring Guidelines, form number 74-2865.

Wall Modules

A variety of Excel 10 wall modules can be used with W7763

Chilled Ceiling Controllers. See T7460 Wall Modules In-

stallation Instructions, form number 95-7610; T7560 Digital

Wall Module Installation Instructions, form number 95-7620;

and T7770 Wall Modules Installation Instructions, form

number 95-7538 for installation details.

NOTE: Wall Modules with fan speed switches must not be

used with W7763 Chilled Ceiling Controllers.

W7763

HILLED

EILIN

NTR

LLE

W7763 CHILLED CEILING CONTROLLER

TERMINATION

MODULE (209541B)

BROWN

ORANGE

Fig. 3. Termination module connection (daisy-chain network configuration).

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W7763C,D,E CHILLED CEILING CONTROLLERS

3 95-7485-3

Wiring Details

Connections to the Chilled Ceiling controllers are made at

two internal terminal blocks accessible beneath the front

cover. No tools are required to remove the front cover.

Simply pull away from the subbase as shown in Fig. 4.

Fig. 4. Terminal cover removal.

Fig. 5. Mounting on wall outlet box.

Use a minimum wire size of 20 AWG (0.5 mm2) for all input /

output connections. The maximum length of all input / output

cables and wall module interface cables is 65 ft (20 m). Main-

tain 3 in. (76 mm) minimum spacing between signal lines 1-

10 and Triac output and power supply wiring.

Fig. 8 illustrates the terminal assignments of the controllers.

Table 1 lists Triac output assignments for various actuator

types. Refer to job drawings for specific wiring diagrams.

IMPORTANT

Screw type terminal blocks are designed to accept

no more than one 14 AWG (2.5 mm2) conductor.

Multiple wires that are 14 AWG (2.5 mm2) can be

connected with a wire nut. Include a pigtail with this

wire group and attach the pigtail to the individual

terminal block.

Wire to the terminal blocks as follows:

1. Strip 1/2 in. (13 mm) insulation from the conductor.

2. Insert the wire in the required terminal location and

tighten the screw to complete the termination. Insure

that the wire entering the terminal block does not ex-

tend above the numbered face of the terminal block to

avoid contact between the wires and the printed circuit

board on the underside of the front cover (see Fig. 6.)

Fig. 6. Terminal block connections.

IMPORTANT

When two or more wires are to be attached to the

same terminal, be sure to twist them together.

Deviations from this rule can result in improper

electrical contact. See Fig. 7. Local wiring codes

may take precedence over this recommendation.

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W7763C,D,E CHILLED CEILING CONTROLLERS

Home and Building Control Home and Building Control Home and Building Control Products

Honeywell Inc. Honeywell Limited-Honeywell Limitee Honeywell AG

Honeywell Plaza 155 Gordon Baker Road Böblinger Straβe 17

P.O. Box 524 North York, Ontario D-71101 Schönaich

Minneapolis, MN 55408-0524 M2H 3N7 Germany

USA Canada

http://www.honeywell.com http://www.honeywell.ca http://europe.hbc.honeywell.com

95-7485-3 Rev. 01-01 7157 286 printed in Germany Subject to change without notice

1. STRIP 1/2 IN. (13 MM) FROM WIRES

TO BE ATTACHED AT ONE

TERMAINAL

2. TWIST WIRES TOGETHER WITH

PLIERS (A MINIMUM OF THREE

TURNS).

3. CUT TWISTED END OF WIRES TO 3/16 IN. (5 MM) BEFORE

INSERTING INTO TERMINAL AND TIGHTENING SCREW. THEN

PULL ON EACH WIRE IN ALL TERMINALS TO CHECK FOR GOOD

MECHANICAL CONNECTION.

Fig. 7. Attaching two or more wires at terminal blocks.

COM1

INPUT3

COM2,3

INPUT2

INPUT1

LED

SETPT

BYPASS

SENSOR

GND E-BUS (LON)

E-BUS (LON)

OUT 1 COM

OUT 1 OPEN

OUT 1 CLOSE

OUT 2 COM

OUT 2 OPEN

OUT 2 CLOSE

24 VAC

24 VAC COM

24 VAC

COM

W7763 CHILLED

CEILING CONTROLLER

WALL MODULE

CONNECTIONS

OPEN

COM

COM HEAT

120/240 VAC

COOL

HUMIDITY

0-10V

24 VAC

HILLED WATER TEMP

OCCUPANCY SENSOR

CHANGEOVER CONTACT

AIRFLOW CONTACT

WINDOW CONTACT

MOTION SENSOR

ORKS

NETWORK IN

ORKS

NETWORK OUT

Wall module setpoint connection for W7763E only.

Wall module bypass and LED connections for W7763D and E only.

DWM

T7560B

with

integrated

humidity

sensor

W7763

Chilled

Ceiling

Controller

…

T7560B connection to W7763

…

There is no logic between input 1 and 2; for example, only one of the inputs can be used for the

window contact, not both. This feature is available only with firmware version 1.0.4 or higher.

Fig. 8. Chilled Ceiling Controller terminal assignments.

Table 1. Output assignments for various actuator types.

Output type Out 1 Terminal Out 2 Terminal

13 14 15 16 17 18

Floating 24 Vac open close 24 Vac open close

1-stage 24 Vac on/off — 24 Vac on/off —

2-stage 24 Vac stage 1 stage 2 24 Vac stage 1 stage 2

3-stage 24 Vac stage 1 stage 2 24 Vac stage 1 stage 2

stage 3 stage 3

PWM 24 Vac PWM — 24 Vac PWM —

Thermal 24 Vac on/off — 24 Vac on/off —

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