Watts FS10-C - Manuel

MIN 5 X D
APPROXIMATELY 1" USE HALF COUPLING
MIN 5 X D
D
REPLACEMENT
KIT NUMBER DESCRIPTION
RK FS10-3-1 PADDLE A, B & C
RK FS10-6 PADDLE D
RK PRP-218-3957 “O” RING
USA: 815 Chestnut St., North Andover, MA 01845-6098 www.watts.com
CANADA: 5435 North Service Rd., Burlington, Ont. L7L 5H7 www.wattscanada.ca
FLOW SWITCH FS10-C SERIES
GENERAL APPLICATION: AUTOMATIC CONTROL AND SAFETY DEVICE, NOT INTENDED FOR FIRE SPRINKLER SYSTEMS.
— Principally used in water systems, heating systems, air conditioning and processing installations.
— Single pole double throw switch can be wired to make one circuit or break a circuit when flow starts or stops.
— Actuates an alarm when flow is inadequate — deactivates alarm when sufficient flow is restored.
— Parts in contact with liquid in pipe are of brass and beryllium copper.
IMPORTANT: Electrical installation must be performed by a qualified person and in accordance with all local codes.
LOCATION: Flow switch should be installed in horizontal or vertical section of a pipe or tube where there is a straight run of at least 5
pipe diameters on each side.
MOUNTING: Flow switch should be installed vertically upright in tees or welded fittings.
If a reducing tee is not available and a standard tee
is used, install a face bushing in top opening to
keep waterflow indicator as close to tee as possible.
If a welded fitting is to be used, use only a half
coupling. (Make sure hole in main is 1-5/32" dia.
before welding coupling.)
NOTE: PADDLE LENGTH CONFORMS TO
ASTM TEE STANDARD.
USE PROVIDED TEMPLATE TO TRIM
PADDLE TO REQUIRED LENGTH “L”.
ACTUAL SIZE TEMPLATE TO TRIM DIMENSION “L”
Always check operation of flow switch to make sure paddle
is free to move in the tee, coupling or pipe before finishing
the installation.
“L” refers to trim length in table.
•
UNDERWRITER’S LABORATORY LISTED
•
MAXIMUM PRESSURE 175 PSI
•
MAXIMUM TEMPERATURE 300ºF
A. FINE SENSITIVITY
1. REMOVE SWITCH COVER.
2. FOR FINER SENSITIVITY, TURN
RANGE ADJUSTING SCREW
CLOCKWISE. LOCATED ON
LEVER NEXT TO MICROSWITCH.
B. COARSE SENSITIVITY
1. REMOVE SWITCH COVER.
2. FOR HIGHER FLOW RATE, TURN
RANGE ADJUSTING SCREW
CLOCKWISE. LOCATED WITH
ADJUSTING SPRING.
3. FOR LOWER FLOW RATE, TURN
COUNTER CLOCKWISE.
ADJUSTMENT
TO ADJUST SETTINGS, FOLLOW
A OR B INSTRUCTIONS. BE
SURE FLOW SWITCH COVER IS
REPLACED BEFORE LEAVING
JOB.
PIPE
SIZE
INSTALLATION USING
ASTM TEE
INSTALLATION USING
WELDED FITTING
PADDLE
TEE SIZE PADDLE
1” 1” x 1” x 1” 1”A Segment
1-1/4” 1-1/4” x 1-1/4” x 1”
1”A Segment &
Trimmed
2”B Segment
1-5/8”
1-1/2” 1-1/2 x 1-1/2” x 1”
1”A Segment &
Trimmed
2”B Segment
1-3/4”
2” 2” x 2” x 1” 1”A Segment &
2” B Segment
1”A Segment & 2”B Segment
2-1/2” 2-1/2” x 2-1/2” x 1”
1”A & 2”B
Segments &
Trimmed 3”C
Segments
1”A & 2”B Segments &
Trimmed 3”C Segments
2-3/4”
3” 3” x 3” x 1” 1”A, 2”B, & 3”C
Segments
1”A, 2”B, & 3”C Segments
4” 1”A, 2”B, 3”C, and
Trimmed 4”D Segments 4-1/4”
5” 1”A, 2”B, 3”C, and
Trimmed 4”D Segments 5-1/4”
6” 1”A, 2”B, 3”C, 4”D Segments
TRIMMED
DIMENSION
“L”
IMPORTANT:
Mount flow switch in position so that the paddle assembly is at a right angle to the flow. The stamped arrow on bottom plate mounting and top cover gum label arrow must
both point in direction of flow.
1-1/8”
1-
3/
4”
1-5/8” 2-1/8” 2-3/4” 3-1/4” 4-1/4” 5-1/4” 6-1/4”
FLOW
FLOW RATES REQUIRED TO ACTUATE No. FS10-C FLOW SWITCH IN HORIZONTAL PIPE
Flow rates in U.S. gallons per minute (GPM). Velocity in feet per second (FPS).
*Equipped with extended paddle trimmed to pipe size
FINE
SENSITITY
ADJUSTMENT
COARSE
SENSITITY
ADJUSTMENT
*Flow rates for these sizes are calculated.
PADDLE LENGTH: Included with each flow switch are four paddles. Shortest paddle (A) can be used for 1" pipe size only.
Second shortest paddle (B) can be used as is with paddle (A) for 2" pipe size; but must be trimmed for 1- 1/4" and 1-1/2" pipe size.
Third shortest paddle (C) can be used as is with paddle (A) and (B) for 3" pipe size, but must be trimmed for 2-1/2" pipe size.
Longest paddle (D) can be used as is with paddle (A), (B) and (C) for 6" pipe size, but must be trimmed for 4" and 5" pipe size.
(A) (B) (C) (D)
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Extended
Paddle
Pipe Size in Which
Flow Switch Installed
1” 1-1/4” 1-1/2” 2” 2-1/2” 3” *4” *5” *6”
Factory or
Minimum
Flow Setting
ACTIVATION
FLOW
GPM 5.2 7.9 10.0 13.2 20.9 30.0 39.0 58.0 79.9
FPS 2.01 1.74 1.62 1.29 0.92 1.30 1.0 0.94 0.88
DEACTIVATION
GPM 2.0 3.2 5.3 8.1 9.9 12.0 19.0 29.0 39.6
FPS 0.77 0.71 0.86 0.79 0.44 0.52 0.50 0.47 0.44
Maximum
Flow Setting
ACTIVATION FLOW
GPM 11.5 18.0 18.0 34.1 53.9 52.0 73.5 115.0 166.0
FPS 4.44 3.98 2.91 3.33 2.38 2.26 1.86 1.85 1.84
GPM 8.5 14.6 15.1 29.2 44.4 46.1 64.0 92.0 123.0
FPS 3.28 3.23 2.44 2.85 1.96 2.00 1.67 1.48 1.37
DEACTIVATION
Extended
Paddle
IS-FS10-C
EDP# 5003170 rev 5
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OPTIONS: “L” Pilot Light
“BSP” British Threaded Body
REPAIRS AND REPLACEMENT
PADDLES AND COVER MAY BE REPLACED IN THE FIELD. OTHER FIELD REPAIRS MUST NOT BE MADE. REPLACEMENT FLOW SWITCHES MAY BE
OBTAINED FROM THE NEAREST WATTS DISTRIBUTOR OR WHOLESALER. WHEN ORDERING A REPLACEMENT SWITCH, SPECIFY PRODUCT NUMBER
AS SHOWN ON THE FLOW SWITCH.