Honeywell S688A User Manual

The

Sail

Switch activates an electronic air
cleaner, a humidifier, or other equipment in
response to airflow

S688A is rnountedin the return air duct where the
sail will be in the direct path of an unrestricted
air stream.

j?om

the system fan. The

Honeywell

S688A

Sail Switch

■

Simplified installations with

accessible air handlers, fan motors with voltage or
phase different from controlled equipment; elimi­nated wiring to system fan.

■

Polyesterfihn

switch.

■

Removable spring counterbalances sail to allow

mounting in either vertical (up or down) or hori­zontal air flow.

sail mounted on a micro switch snap

mukispeed

fans,

in-

■ Top and bottom conduit knockouts for wiring

convenience.

■ Low air velocity switch operation—makes at

250 fpm and breaks at 75 fpm.

CONTENTS

J.H. “

Rev. 9-91 “ @Honeywell Inc. 1991 ● Printed in U.S.A. “ Form Number 60-2103-3

S688A

SPECIFICATIONS ● INSTALLATION ● ORDERING INFORMATION

Specifications

MODEL S688A Sail Switch.
ELECTRICAL RATINGS (Amperes):

,,

N.0.

Contacts

24 120 240

Vac

Vac

Full

Load
Lwked

Rotor
Resistive

SWITCHJNG

SAIL DATA:

Insertion length-10 in. [254 mm].
Maximum width-5 in. [127 mm].
Approximate area-26.2 in.

Materk+mlyester

mu

N.O.

Contacts:
Makes-250
Breaks-75 fpm.

N.C. Contacw

Makes-75 fpm.
Breaks-250 fpm.

2.0 2.0

12.0 12.0 6.0 6.0 6.0 3.0

5+0 5+0

ACTION Spdt

film sealed on music wire frame.

AIRFLOW

@m.

Vac

1.0 1.0

2,5

snapacting

2

N.C.

24 120 240

Vac Vac Vac

2.5 2.5 2.5

[1690

mmz].

Contacts

1.0 0.5

switch.

MAXIMUM AMBIENT TEMPERATURES:

125° F [52° C] at switches.
170° F [77° C] at sail.

CASE DIMENSIONS: 2-5/16 in. [59 mm] high, 3-3/4 in.

[95 mm]

DUCT MOUNTING HOLE DIMENSIONS: 1-1/2 in.

[38 mm] by 2-1/4 in. [57 mm].

MOUNTING MEANS: Switch mounts on return air duct

with two sheet metal screws. An adhesive backed mount­ing template is provided. Sail is inserted into duct through

1-1/2 in. [38 mm] by 2-1/4 in. [57 mm] hole.

MOUNTJNG POSITION: Mounts in vertical (up or down)

or horizontal airflow.

WIRJNG

end of ease.
FINISH: Zinc plated case and cover.
REPLACEMENT PARTS: Part no. 123773A Replacement

wide, 2-1/8 in. [54 mm] deep.

KNOCKOUTS:

1/2

in. conduit knockout in either

sail.

UNDERWRITERS’ LABORATORIES, INCL LISTED:

File No. E4436, Guide No. XAPX. For use in ambient

temperatures normally prevailing in

which usually are not higher than 77° F [25° C] but

occasionally may be as high as 104° F [40° C] for brief

periods.

oecupiable

spaces,

Installation

WHEN INSTALLING THIS PRODUCT...

1. Read these instructions carefully. Failure to follow
them could damage the product or cause a hazardous condi­tion.

2. Check the ratings given in the instructions and on the
product to make sure the product is suitable for your applica­tion.

3. Installer must

cian.

4. After installation is complete, check out product op

eration as provided in these instructions.

beatrained,experienced

service

techni-

/h

CAUTION

t

\

Disconnect power supply before beginning

ation to prevent electrical shock or equipment

damage.

LOCATION

Locate the sail switch in the return air duct where the sail
will be in the direct path of an unrestricted air stream.
Maximum ambient temperature at the switch is 125°
[52° C] and at the sail is 170° F [77° C]. The air duct at the

Ordering Information

When

purchasing replacement and modernization products from your

TRADELINE Catalog or price sheets for complete ordering number, or specify—

1. Order number, TRADELINE, if desired.

If you have additional questions, need further

1. Your local Honeywell Residential Sales Office (check white pages of phone directory).

2. Residential Division Customer Satisfaction
Honeywell Inc., 1885 Douglas Drive North
Minneapolis, Minnesota 554224386 (612) 542-75(XI

infonnatio~ or would like to comment on our products or services, please write or phone:

TRADELINE@

wholesaler

install-

F

or your distributor, refer to the

In Canada-Honeywell Limited/Honeywell
Service Offices in all
Netherlands,

principat cities of the world. Manufacturing in

Spa

Taiwan, United Kingdom U.S.A.

Lirnitee, 740 Ellesmere

2

Road Scarborou~

Australi~

Canada, Finland, France, Germany, Japan, Mexico,

Ontario M 1P 2V9. International Sales and