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Honeywell S688A Manual

Honeywell S688A Manual

Sail switch

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The Sail Switch activates an electronic air
cleaner, a humidifier, or other equipment in
response to airflow j?om the system fan. The
S688A is rnountedin the return air duct where the
sail will be in the direct path of an unrestricted
air stream.
Simplified installations with mukispeed fans, in-
accessible air handlers, fan motors with voltage or
phase different from controlled equipment; elimi-
nated wiring to system fan.
switch.
Removable spring counterbalances sail to allow
mounting in either vertical (up or down) or hori-
zontal air flow.
Honeywell
Sail Switch
Top and bottom conduit knockouts for wiring
convenience.
Low air velocity switch operation—makes at
250 fpm and breaks at 75 fpm.
CONTENTS
S688A

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Summary of Contents for Honeywell S688A

  • Page 1 The Sail Switch activates an electronic air cleaner, a humidifier, or other equipment in response to airflow j?om the system fan. The S688A is rnountedin the return air duct where the sail will be in the direct path of an unrestricted air stream.
  • Page 2: Specifications

    Honeywell Inc., 1885 Douglas Drive North Minneapolis, Minnesota 554224386 (612) 542-75(XI In Canada-Honeywell Limited/Honeywell Lirnitee, 740 Ellesmere Road Scarborou~ Ontario M 1P 2V9. International Sales and Service Offices in all principat cities of the world. Manufacturing in Australi~ Canada, Finland, France, Germany, Japan, Mexico,...
  • Page 3 AIR ENTRANCE. > DO NOT MOUNT ON ADAPT SWITCH TO AIR FLOW DIRECTION The S688A Saii Switch is provided with two counterbal- ancing springs in place as shown in Fig. 4. These springs DOWNSTREAM Never use the sail switch with both springs IMPORTANT: Fig.
  • Page 4: Mount The Switch

    7. Secure the switch by using the sheet metal screws dimension for vertical mounting. provided. After wiring, snap on the cover. The Honeywell 2. Cut the hole indicated on the template in the ductwork. trademark tab can be snapped out and rotated 180 degrees so 3.
  • Page 5: Operation And Checkout

    S688A NOTE: Although it is not recommended, if the two-cell air WIRING cleaner must be mounted horizontally with the power supply on the Wtom, the sail switch must be installed at CAUTION a 45 degree angle Ilom vertical, see Fig. 8.
  • Page 6 NORMALLY OPEN, N.C. - NORMALLY CLOSED, COM.- COMMON. Honeywell Residential and Residential and Helping You Con%rol Your World Building Controls Division Building Controls Division Honeywell Ltited-Honeywell Limitie Honeywell Inc. 1985 Douglas Drive North 740 Ellesmere Road Scarborough, Ontsrio Golden Valley, Minnesota 55422 MIP 2V9...