Murphy Switch 45TEBP User Manual

SPL-92106N  
Revised 04-04  
Section 10  
Installation for 4-1/2 in. (114 mm) dial  
(00-02-0167)  
Temperature MURPHYGAGE® and SWICHGAGE®  
Model Series: SPLG, SPLC, SPLBP, 45TE and 45TEBP  
Options: -OS and -ES  
Please read the following instructions before installing. A visual inspection is recommended before mounting.  
General Information and these installation instructions are intended for all 4-1/2 in. (114 mm) dial temperature models.  
GENERAL INFORMATION  
*
®
WARNING  
BEFORE BEGINNING INSTALLATION OF THIS MURPHY PRODUCT  
**  
Disconnect all electrical power to the machine.  
Make sure the machine cannot operate during installation.  
Follow all safety warnings of the machine manufacturer.  
Read and follow all installation instructions.  
Specifications  
Dial: White on black, dual scale, °F and °C standard,  
4-1/2 in. (114 mm) diameter.  
SPLC and SPLFC SWICHGAGE® instruments have high  
and low limit contacts to monitor, alarm or shutdown. The SPLC  
has a flanged case. SPLFC has a flush mount case intended for  
installation within a panel. A method to override the low limit  
contact for startup is provided on most models (see Operation  
Test Instructions on page 3).  
Case: Die cast aluminum, surface or panel mount.  
Capillary: PVC armored copper tube, 5 ft. (1.5 m) long standard.  
Sensing Bulb: Copper bulb std.: 1/2 in. (13 mm) OD;  
Length 7 in. (178 mm). Pressure rating: 600 psi (4.1 MPa)  
[41 bar]. Connection: 1/2 NPTM compression fitting.  
NOTE: Use of thermowell is highly recommended.  
Switch Reset Deadband: Approximately 10% FS.  
Snap-Acting Switches: See wiring information (page 4).  
Dry Relay Contact (“BP” Models): 10 A @ 28 VDC or  
10 A @ 120 VAC.  
45TE and 45TEF Series are versions of the SPL Series  
with 2-snap acting SPDT switches instead of the pointer type con-  
tacts. The 45TE Series does not include low contact lockout.  
Wire Connections (Surface Mount): 1/2 NPTF conduit/terminal block.  
Wire Connections (Panel Mount): Wire leads, 18 AWG  
(1.0 mm2) x 9 in. (229 mm) long.  
Wire Connections (-ES, -OS, -CC): 1/2 NPTM conduit and wire leads,  
24 AWG (0.22 mm2) x 33 in. (838 mm) long.  
Overrange: Do not exceed 10% FS above full range.  
Item Weight: 8 lbs (3.6 kg) approx. Explosion-proof models: 22 lb.  
(10 kg) approx.  
SPLBP and 45TEBP models are designed to start and stop  
electric motor driven equipment. The pilot duty contacts are con-  
nected to a latching control relay for automatic ON/OFF control,  
either directly or through a motor starter.  
Options -OS and -ES  
The -OS (oil sealed case) and the -ES (environment sealed case)  
options for corrosive environment feature flush mount case design  
to be installed within a panel.  
Item Dimensions: 16 x 11 x 5-1/2 in. (406 x 279 x 140 mm)  
approximately. Explosion-proof: 12 x 12 x 9 in. (305 x 305 x 229 mm)  
approximately.  
Precautions  
Accuracy  
Temperature Range  
Do NOT exceed rated temperature range.  
Lower 1  
/
4
Middle 1  
/2  
Upper 1  
/4  
Use shock mounts as necessary to protect from vibration.  
15 to 250°F  
(9 to 121°C)  
8°F  
4°C)  
2°F  
1°C)  
2°F  
1°C)  
Cutting or sharp bending the capillary will cause permanent  
(
(
(
damage to the SWICHGAGE® and will void the warranty.  
130 to 350°F  
(54 to 177°C)  
8°F  
4°C)  
2°F  
1°C)  
3°F  
1.5°C)  
(
(
(
Excess capillary should be carefully coiled and secured  
260 to 450°F  
(127 to 232°C)  
8°F  
4°C)  
2°F  
1°C)  
3°F  
1.5°C)  
away from damage.  
(
(
(
Do not route capillary along exhaust manifold.  
*
Selected configurations are CSA approved. Consult factory for details.  
Avoid routing capillary at level higher than gage mounting.  
**Products covered by this literature comply with EMC Council directive 89/336/EEC  
regarding electromagnetic compatibility as noted. Does not cover “BP” models.  
SPL-92106N page 1 of 4  
 
SENSING BULB-THERMOWELL INSTALLATION  
Precautions  
Installing Thermowell  
®
SWICHGAGE  
Cutting or sharp bending the capillary will cause permanent damage  
to the SWICHGAGE® and will void the warranty. Excess capillary  
should be carefully coiled and secured away from damage. Do not  
route capillary along exhaust manifold. Avoid routing capillary at a  
level higher than gage mounting.  
Thermowell is recommended for high  
pressure applications or corrosive  
100  
500  
800  
0
environments. It also allows tempera-  
ture sensor to be changed or adjusted  
without opening connection to process.  
1. First screw the thermowell into the  
Installing Sensing Bulb  
process (pipe line).  
transmitting  
1. Install the 1/2 NPT adapter into the  
tube or  
capillary  
2. Pass the sensing bulb through the  
application.  
2. Slip compression nut and ferrule  
onto bulb.  
3. Insert the sensing bulb directly  
through the adapter and fully  
immerse it into the process without  
interference. Be sure to leave enough of  
the bulb to allow the compression nut and  
ferrule to be tightened.  
compression  
nut  
nut and ferrule.  
Adapter  
3. Fully insert the sensing bulb into the  
thermowell housing and secure it  
with the compression nut.  
Wall  
Sensing  
bulb  
NOTE: The use of temperature trans-  
mitter grease or silicon grease on the  
tip of the sensing bulb is recommended  
to facilitate heat transfer to sensing  
bulb junction.  
insertion  
6 in.  
(152 mm)  
active  
section of  
sensing bulb  
4. Keep the bulbs active section in the middle of the process flow.  
5. Tighten the compression nut and ferrule. This will keep the  
bulb in place and obtain a full seal.  
LIMIT CONTACTS / INDICATION POINTER ADJUSTMENTS  
Limit Contact Adjustments  
Facing the dial, left side knob is “Low limit” contact. Right side is  
“High limit” contact.  
Indication Pointer Adjustments  
To reset to zero or to a known value proceed  
as follows:  
DETAIL “A”  
Turn to lower  
pointer  
1. Turn off power. Remove the snap  
ring and the lens/contact assembly  
(or open hinged cover).  
NOTE: the 45TE Series features a stacked  
A. Contact arm-flex  
limit indicator knob with both limit adjust-  
B. Contact arm  
ments included. The bottom half knob  
adjusts the “Low” limit indicator, the top  
half is to adjust the “High” limit indicator.  
C. Pointer Contact  
D. Initial point of contact  
E. Limit contact knob  
2. Hold the pointer hub with thumb  
and forefinger then turn screw to  
desired point. Avoid touching the gold  
flashed, silver contact areas.  
See DETAIL “A.  
Turn to raise  
pointer  
To set limit contact, turn the knob to the  
desired point on the scale.  
E
A
D
Limit Contact  
Wiping Feature (SPL)  
For the 45TE Series see DETAIL“B.  
DETAIL “B”  
Turn to raise  
pointer  
B
3. Replace lens contact assembly and  
snap ring (or close hinged cover),  
and turn on power.  
The force of pointer causes the  
C
flexible contact arm (A) to “tilt”  
resulting in a wiping action (D).  
This clears away film or  
B
NOTE: Span adjustments and recalibration  
must be performed by an authorized  
mechanic or return the unit to Frank W.  
Murphy Mfr.  
A
Turn to  
lower pointer  
corrosion formed on the  
C
D
contact surfaces  
.
OPERATION TEST INSTRUCTIONS  
45TE Series  
SPLC and SPLFC Series  
1. Perform steps 1 and 2 in the SPLC Operation Test Instructions.  
1. Perform operation test after the unit is installed and wired appro-  
priately (see Typical Electrical Diagrams on page 4).  
2. To test the switches, turn the limit indicator until it touches the  
pointer, then continue to rotate until the snap-switch operates*.  
2. When temperature is applied to the sensing bulb the pointer will trav-  
el in a clockwise direction. (Adjust contacts to desired set points.)  
3. Reset the shutdown or alarm circuit device.  
3. Place the toggle switch (SPLC Series only) in the “startposition  
or otherwise override low contact. After the indication pointer  
rises past the low limit contact, return the toggle switch to the  
“runposition.  
*
The trip point indicator will stop the pointer movement slightly  
before the snap-switch operates. As temperature continues to  
increase or decrease, the trip point setting is reached.  
4. To test the limit contacts, turn the limit contact to be tested until it  
touches the pointer. That will trip the control circuit.  
5. Reset the shutdown or alarm circuit device.  
SPL-92106N page 3 of 4  
 
TYPICAL ELECTRICAL DIAGRAMS  
WARNING: Perform the wiring operation with the power source “OFF”. Make sure the voltage and current  
®
requirements are within the SWICHGAGE ratings. Before wiring determine voltage and polarity for the  
application. Use the appropriate wire size. All connections should be made using a spade (forked) or ring  
terminals. For pigtail connections use wire nuts. Conduit is recommended to protect wires from damage.  
45TE and 45TEF  
SPLC and SPLFC  
Contact Ratings: 2-SPDT snap-switches (One for high and low  
temperature); 2 A inductive, 250 VAC each switch.  
NOTE: Diagram below show the pointer in the at rest (shelf) position.  
Contact Ratings: 1 SPDT, Center off; 2A, 30VDC, 1A, 125VAC pilot duty.  
NOTE: Diagrams below show the pointer in the at rest (shelf) position.  
SPLC  
SPLFC  
Start Up  
Lock Out  
Toggle  
LOW SWITCH  
N.C.–Orange  
HIGH SWITCH  
N.C.–Black  
Switch  
3
2
1
6
5
4
N.O.–Blue  
N.O.–Brown  
Black  
Red White  
Red White Black  
Common–Red  
Common–Yellow  
SPLBP  
Contact Ratings: SPDT dry relay contacts; 10 A, 125 VAC.  
NOTE: Diagrams below show the pointer in the at rest (shelf) position.  
45TEBP  
Contact Ratings: SPDT dry relay contacts; 10 A, 125 VAC.  
NOTE: Diagrams below show the pointer in the at rest (shelf) position.  
Yellow  
3
Reset  
Blue  
1
4
Common  
7
4
Yellow  
3
Reset  
Blue  
1
4
3
Common  
= 18 GA.  
7
9
5
Set  
= 16 GA.  
Brown  
4
6
8
= 24 GA.  
3
= 18 GA.  
Brown  
9
White  
5
Set  
1
Neutral  
= 16 GA.  
6
A
B
8
Orange  
White  
6
1
120 VAC/24 VAC  
Red  
Neutral  
A
B
12 VDC  
24 VDC  
Low  
(Reset)  
120 VAC/24 VAC  
High  
(Set)  
12 VDC  
24 VDC  
6
Black  
2
+ Line  
Low  
(Reset)  
Red  
High  
(Set)  
Transformer Relay Assemblies  
For higher voltages the Murphy TR Assemblies can be used in  
conjunction with any SWICHGAGE®.  
2
+ Line  
Yellow  
CONTROL SYSTEMS & SERVICES DIVISION  
FRANK W. MURPHY, LTD.  
MACQUARRIE CORPORATION  
1620 Hume Highway  
Campbellfield, Vic 3061; Australia  
+61 3 9358 5555 fax +61 3 9358 5558  
P.O. Box 1819; Rosenberg, Texas 77471; USA  
+1 281 633 4500 fax +1 281 633 4588  
Church Rd.; Laverstock, Salisbury SP1 1QZ; U.K.  
+44 1722 410055 fax +44 1722 410088  
FW Murphy  
P.O. Box 470248  
MURPHY DE MEXICO, S.A. DE C.V.  
Blvd. Antonio Rocha Cordero 300, Fracción del Aguaje  
San Luis Potosí, S.L.P.; México 78384  
+52 444 8206264 fax +52 444 8206336  
Villahermosa Office +52 993 3162117  
MURPHY SWITCH OF CALIFORNIA  
41343 12th Street West  
Palmdale, California 93551-1442; USA  
+1 661 272 4700 fax +1 661 947 7570  
Tulsa, Oklahoma 74147 USA  
+1 918 317 4100  
fax +1 918 317 4266  
USA–ISO 9001:2000 FM 28221  
UK–ISO 9001:2000 FM 29422  
In order to consistently bring you the highest quality, full featured products, we reserve the right to change our specifications and designs at any time.  
Printed in U.S.A.  
SPL-92106N page 4 of 4  
 

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