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Installation and Operation Instructions
Please read all instructional literature carefully and thoroughly before starting.
GENERAL
MISUSE OF THIS PRODUCT MAY CAUSE EXPLOSION
AND PERSONAL INJURY. THESE INSTRUCTIONS MUST
BE THOROUGHLY READ AND UNDERSTOOD BEFORE
DEVICE IS INSTALLED.
BEFORE INSTALLING, CHECK THE SENSOR MODEL
SELECTED FOR COMPATIBILITY BETWEEN THE PROCESS
MEDIA AND THE SENSOR AND WETTED PARTS.
Cert number
20150512-E40857
Applicable Area
North America
Class I, Groups B, C and D; Class II,
Markings
Groups E, F and G; Class III
UL 1203;
Applicable Standards
CAN/CSA C22.2 No. 25
CAN/CSA C22.2 No. 30
Cert number
DEMKO 09 ATEX 0815573X
Applicable Area
Europe (EU)
II 2 G Ex db IIC T6 Gb; II 2 D Ex tb IIIC
Markings
T85°C Db IP66
Applicable Standards
EN IEC 60079-0; EN 60079-1; EN 60079-31
Cert number
IECEx UL 03.0001X
Applicable Area
International
Ex db IIC T6 Gb
Markings
Ex tb IIIC T85°C Db IP66
-40°C to +75°C
Applicable Standards
IEC 60079-0; IEC 60079-1; IEC 60079-31
Cert number
DEMKO 11 ATEX 1105261X
Applicable Area
Europe (EU)
Markings
II 1 G Ex ia IIC T6 Ga
Applicable Standards
EN IEC 60079-0; EN 60079-11
Cert number
IECEx UL 14.0075X
Applicable Area
International
Ex ia IIC T6 Ga
Markings
-50°C ≤ Tamb ≤ +60°C
Applicable Standards
IEC 60079-0; IEC 60079-11
120 SERIES FOR USE IN CLASS I, DIV. 1, GROUPS B,
C & D; CLASS II, DIV. 1, GROUPS E, F & G; CLASS III
HAZARDOUS LOCATIONS. ENCLOSURE TYPE 4X, IP66.
AMBIENT TEMPERATURE RANGE -50°C (-58°F) TO 71°C
(160°F).
120 Series
Explosion-Proof
Types J120, H121, H122 (Pressure Switch)
Types J120K, H121K, H122K (Diff erential Pressure Switch)
Refer to the final page for the Warranty.
ATEX AND IEC SPECIFIC CONDITIONS OF USE:
DIMENSIONS OF THE FLAMEPROOF JOINTS ARE
OTHER THAN THE RELEVANT MINIMUM OR MAXIMUM
SPECIFIED IN TABLES 1 AND 2 OF EN 60079-1/IEC
60079-1. PRESSURE OPERATED SWITCHES ARE TO BE
MARKED WITH AN "X" AND THE DIMENSIONS OF THE
FLAMEPROOF JOINTS ARE AS FOLLOWS:
120's
•
Activation Plunger to adjustment screw hole
gap joints: 1.140 in/28.96 mm min length by
0.0039 in/0.099 mm max annular gap.
•
Plunger Guide to enclosure through threaded
joints: minimum 8 ½ fully engaged threads.
•
Cover to enclosure through threaded joints:
minimum 7 ½ fully engaged threads.
121's and 122's
•
Activation Plunger to enclosure through hole
gap joints: 1.000 in/25.40 mm min length by
0.0030 in/0.076 mm max annular gap.
•
Adjustment shaft to shaft through hole gap
joints: 1.050 in/26.67 mm min. length by 0.0035
in/0.089 mm max. annular gap.
•
Cover to enclosure through threaded joints:
minimum 7 ½ fully engaged threads.
ATEX AND IEC SPECIFIC CONDITIONS OF USE: ENCLOSURE
CONTAINS ALUMINUM. CARE MUST BE TAKEN TO AVOID
IGNITION HAZARD DUE TO IMPACT OR FRICTION.
THIS PRODUCT DOES NOT HAVE ANY FIELD REPLACEABLE
PARTS. ANY SUBSTITUTION OF COMPONENTS SHALL
INVALIDATE AGENCY CERTIFICATION(S), AND IMPAIR
SUITABILITY FOR CLASS I, DIV. 1 LOCATION.
TO PREVENT IGNITION OF HAZARDOUS ATMOSPHERES,
DISCONNECT SUPPLY CIRCUITS BEFORE OPENING. KEEP
COVER TIGHT WHILE CIRCUITS ARE ENERGIZED.
DEVICE MUST NOT BE ALTERED OR MODIFIED AFTER
SHIPMENT. CONSULT UE IF MODIFICATION IS NECESSARY.
1
IMP120 21
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Related Manuals for United Electric Controls 120 Series
Summary of Contents for United Electric Controls 120 Series
- Page 1 DEVICE MUST NOT BE ALTERED OR MODIFIED AFTER SHIPMENT. CONSULT UE IF MODIFICATION IS NECESSARY. 120 SERIES FOR USE IN CLASS I, DIV. 1, GROUPS B, C & D; CLASS II, DIV. 1, GROUPS E, F & G; CLASS III HAZARDOUS LOCATIONS.
- Page 2 It can also exceed the designated adjustable range. be mounted directly to a rigid pipe using the pressure The 120 Series pressure and differential pressure connection. switches are actuated when a bellows, diaphragm Type J120 and J120K Models 520-525, or piston sensor responds to a pressure change.
- Page 3 Diff erential Pressure Types J120K, SPDT H121K, H122K Opposed Sensor Models 36-39, (S)147(B)-(S)157(B), 367 Opposed sensor diff erential pressure switches should be mounted with their pressure connection in the horizontal N.O. N.C. COM. position (See Figure 2). This will properly orient the 1/4” NPT venting conduit at the bottom of the middle PLUNGER compartment (standardly supplied with plastic plug).
- Page 4 Types H122, H122K CLEARANCE FOR 1/4 SCREW 4 MOUNTING HOLES Individual microswitches may be set together or DO NOT TURN separately by up to 100% of range. The front (Low) microswitch should never be set higher than the rear (High) microswitch. Turning external knobs will increase or decrease each switch setting independently.
-
Page 5: Recommended Practices
Models 171-174, 521-525, 531-535, Option M210 Indicator for Differential Pressure and 540-548 Controls, Span Adjustment To adjust indication for maximum accuracy at any Turn hex clockwise an additional 1-1/2 flats from desired set point, follow steps 1 thru 3 listed below this point. - Page 6 Part III - Dimensions (Dimensional drawings for all models may be found at www.ueonline.com) Internal Set Point Adjustment Types J120, J120 K - Dimension A Type J120, J120K 5.31 4.28 (134.9 mm) (108.7 mm) Models Inches 1.29 (Inches) (32.9 mm) (76.2 mm) Pressure 126-164...
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Page 7: Differential Pressure
1/4 NPT 1/2 NPT 1/2 NPT 1/4 NPT Models 126-164 Models S126B-S164B Models 171-174 Models 183-186, 483-486 (15.9 mm) 1/2 NPT 1 1/2 Sanitary Fitting 1/4 NPT 1/4 NPT Models 188-194, 488-494 Model 565-567 J120 Models 270-376, 680 H121/H122 Models 270-376 6.03 (153.2 mm) (152.4 mm) -
Page 8: Limited Warranty
120 SERIES FOR USE IN CLASS I, DIV. 1, GROUPS B, C & D; CLASS II, DIV. 1, Le 120 Series est adapté à une utilisation dans les lieux de Classe I, Division 2, de GROUPS E, F &...