Xylem MM 601H User Manual
Series FS4-3
General Purpose
Liquid Flow Switch
INSTRUCTION MANUAL
MM-601H
®
SPECIFICA
Maxim
um Liquid Pressure: 160 psi (11.3 kg/cm
TIONS
Liquid Temperature
Range (T
- 300˚F (0 - 149˚C)
L
): 32
2
)
Ambient Temperature Range (T
): 32
S
- 120˚F (0 - 49˚C)
Electrical Enclosure Rating: Nema Type 1 (IP 21)
Maximum Velocity: 10ft/sec (3M/sec)
Pipe Connection Thread Size: - 1" NPT - All models
except “J”
- 1" BSPT - “J” models
ELECTRICAL
Switch Rating (Amperes)
Motor
Voltage Full Load Locked Rotor Pilot Duty
120 VAC 7.4 44.4
240 VAC 3.7 22.2
RATINGS
125 VA at
120 or 240 VAC
50 or 60 cycles
2
FLOW RATES
Flow rates required to activate the flow switch
are shown in chart below.These values were
calculated using clean water in a horizontal pipe.
Settings will vary when used to sense flow of other
fluids or if located in a vertical pipe.
NOTE: THIS PRODUCT IS NOT INTENDED
FOR USE IN POTABLE WATER
APPLICATIONS.
Pipe Mode of Operation
Size NPT Flow No Flow
in. (mm) Settings gpm (lpm) gpm (lpm)
Factory or
1 (25)
1
1
(32)
⁄
4
1
1
⁄
(40) Minimum 12.7 (48.1) 7 (26.5) 63
2
2 (50) Minimum 18.8 (71.2) 9.4 (35.6) 105
1
⁄
2
2
(65) Minimum 24.3 (92) 11.6 (43.9) 149
3 (80) Minimum 30 (113.6) 12 (45.4) 230
4 (100) Minimum 39.7 (150.3) 19.8 (74.9) 397
5 (125) Minimum 58.7 (222.2) 29.3 (110.9) 654
6 (150) Minimum 79.2 (300) 39.6 (150) 900
Minimum
Maximum 10.2 (38.6) 9.2 (34.8) (102)
Factory or
Minimum
Maximum 16.8 (63.6) 15 (56.8) (178)
Factory or
Maximum 23 (87.1) 19.5 (73.8) (239)
Factory or
Maximum 32.8 (124.1) 24 (90.8) (398)
Factory or
Maximum 42.4 (160.5) 37.5 (141.9) (565)
Factory or
Maximum 52.1 (197.2) 46.1 (174.5) (872)
Factory or
Maximum 73.5 (278.2) 64.2 (242) (1505)
Factory or
Maximum 115 (435.3) 92 (348.2) (2479)
Factory or
Maximum 166 (628.3) 123 (465.6) (3411)
6 (22.7) 3.6 (13.6) 27
9.8 (37.1) 5.6 (21.2) 47
Max. Flow
Rate gpm
(lpm) w/o
Paddle Damage
NOTE: DO NOT USE LIQUID FLOW SWITCHES
ON SYSTEMS WITH FLOW VELOCITY
GREATER THAN 10 FEET PER SECOND
(3 METERS PER SECOND).
Values are ± 10%
3
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