Honeywell Pressuretrol L404 Series - Page 4

60-2150—10 4
L404A-D,F; L604A,L,M
SPECIFICATIONS
Fig. 1—Mounting dimensions of the L404A,B,C,D,F and L604A,L,M Pressuretrol
®
Controllers, in in. (mm).
L404A-D,F; L604A,L,M
1/4-18 NPT
1
2
1
2
3
1
3
4-1/2 (114.3) (COVER)
4-11/32 (110.3) (CASE)
3/16 (4.8) X 21/64 (8.3)
KNOCKOUT (2)
1-15/16 (49.2)
3-3/16 (81.0)
1-5/32
(29.4)
2-1/8 (54.0)
2-3/4 (69.9)
1-61/64 (49.6)
1-13/16
(46.0)
1-1/16
(27.0)
13/16
(20.6)
1/2 (12.7)
3-7/8
(98.4)
7/8
(22.2) DIA.
1-1/2 (38.1)
1-3/16 (30.2)
1-1/16
(27.0)
13/16
(20.6)
4-31/32
(126.2)
3-23/32
(94.5)
RESET LEVER (ON MANUAL RESET MODELS ONLY.)
THIS DIMENSION IS 4-27/32 IN. (123.0 MM) ON L604 MODELS WITH A 2 TO 15 PSI (.14 TO 1.0 kg/cm
2
(14 TO 103 kPa)) OPERATING RANGE,
AND 5-3/4 IN. (146.A MM) ON L604 MODELS WITH A 20 TO 300 PSI (1.4 TO 20.7 kg/cm
2
(138 TO 2068 kPa) OPERATING RANGE.
ONLY ON L604 MODELS WITH A 2 TO 15 PSI (.14 TO 1.0 kg/cm
2
(14 TO 103 kPa)) OPERATING RANGE.
M8933
DIMENSIONS: See Fig. 1. See Fig. 2 for mounting steam
trap (siphon loop).
WEIGHT: 2 IBC. (0.91 kg).
FINISH: Gray.
APPROVALS:
Underwriters Laboratories Inc. listed (L404A,B,C,D,F;
L604A,L,M only): file no. MP466, vol.10; guide
no. MBPR.
Canadian Standards Association certified (L404A,B,C,D,F;
L604A,L only): file no. LR1620; guide no.400-E-0.
REPLACEMENT PARTS:
129178 Thermoplastic Cover.
14026 Steam Trap (siphon loop)—1/4 in. black iron pipe.
Necessary for boiler installations.
ACCESSORIES:
33312B Knurled Adjustment Knob—with setscrew; fits
on main scale pressure adjusting screw.
4074BWJ Limit Stop Assembly—to limit set point ranges;
includes 129564 Range Stop, 107194 Range Stop
Screw, and 23466 Wrench.
TABLE 2—CONVERSION TABLE (psi to kPa).
Operating Range
Subtractive Differential
Scale-Plate
Equivalent
Scale-Plate
Equivalent
(psi)
(kg/cm
2)
(kPa)
(psi)
(kg/cm
2)
(kPa)
0 to 15 0 to 10 0 to 103 — — —
2 to 15 .14 to1.0 14 to 103 1 to 6
2 to 6
07 to 4
.14 to .4
7 to 41
14 to 41
5 to 50 .3 to 3.5 34 to 345 4 to 12
5 to 14
.3 to .8
.4 to 1.0
28 to 83
41 to 97
5 to 150 .3 to 10.3 34 to 1034 — — —
10 to 150 .7 to 10.3 69 to 1034 8 to 16
10 to 22
.6 to 1.1
.7 to 1.5
55 to 110
69 to 152
20 to 300 1.4 to 20.7 138 to 2068 15 to 40
20 to 50
1.0 to 2.8
1.4 to 3.5
103 to 276
138 to 345