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SPENCER Texas Instrument - ULTIMHEAT

COMMERCIAL THERMOSTATS. 9900 SERIES. CONTROL PLUG AND CORD ASSEMBLY. FEATURES cleaning when the plug is removed. The plug may also be Push Pull Action provides clean switching, assuring used with several other appliances. reliable, safe operation W e l d e d Parts adds rigidity and long life The external plug assembly is molded from tough, Highly Sensitive to temperature change (response 5 phenolic resin. Very little heat is conducted, maintaining times mercury thermometer) the plug assembly at a cool temperature and never hot Excellent Contact Life to the touch. Calibrated and Designed to Customer's Requirements Calibration of the thermostat is set to match the group of appliances to which the thermostat is applied.

COMMERCIAL THERMOSTATS 9900 SERIES CONTROL PLU ANG D COR ASSEMBLD Y FEATURES • Pus Pulh Actiol —n provides clea switchingn assurin, g reliable, saf operatioe n

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Transcription of SPENCER Texas Instrument - ULTIMHEAT

1 COMMERCIAL THERMOSTATS. 9900 SERIES. CONTROL PLUG AND CORD ASSEMBLY. FEATURES cleaning when the plug is removed. The plug may also be Push Pull Action provides clean switching, assuring used with several other appliances. reliable, safe operation W e l d e d Parts adds rigidity and long life The external plug assembly is molded from tough, Highly Sensitive to temperature change (response 5 phenolic resin. Very little heat is conducted, maintaining times mercury thermometer) the plug assembly at a cool temperature and never hot Excellent Contact Life to the touch. Calibrated and Designed to Customer's Requirements Calibration of the thermostat is set to match the group of appliances to which the thermostat is applied.

2 Tem- GENERAL perature settings are indicated on the dial. The KLIXON 9900 Control Plug and Cord Assembly is an adjustable, tube type temperature control. Because of INDIVIDUAL APPEARANCE. its low cost, it is ideal for original equipment manufac- The control plug can be made characteristic of customer's turers who are concerned with volume usage suitable for own designs by the application of a decalcomania in the an engineered thermostat application. area around the dial knob and illuminated window. DESCRIPTION. Special customer markings, when placed on the bottom The unit consists essentially of an internal KLIXON C9192.

3 Half of the plug assembly, individualize the unit and Ampli-TUBE* Thermostat, a calibrated temperature set- make it a recognized part of customers' product lilies. ting dial, neon indicating light, and a phenolic plug assembly housing. The unit is detachable, and electrical Other characteristics, such as special knob dials, may be appliances adapted to it can be completely immersed for considered when large quantities are involved. * T r a d e m a r k o f Texas Instruments Incorporated SPENCER PRODUCTS. COMMERCIAL CONTROLS O PT- Texas INSTRUMENTS. I N C O R P O R A T E D. M ETALS & C O N T R O L S DIVISION. VERSAILLES, KENTUCKY, COMMERCIAL THERMOSTATS.

4 9 9 0 0 SERIES VIRTUAL MUSEUM. CONTROL PLUG AND CORD ASSEMBLY. Hi. Temp. 1. Weld 5. Ceramic Insulator LEGEND L o w E x p a n s i o n Rod 6. Movable Contact Arm Push - pull action of rod 3. High Expansion Tube 7. Adjustable Contact Arm r e s u l t s in a m p l i f i e d m o t i o n 4. Actuating Arm 8. Adjusting Screw of actuator. C R O S S - S E C T I O N OF T Y P I C A L UNIT. The internal thermostat consists of a high e x p a n s i o n t u b e T e m p e r a t u r e setting changes are a c h i e v e d by an adjust- a n d a low e x p a n s i o n r o d . (see cross-section) A t one e n d ment in the position of the electrical contacts.

5 The t w o elements are w e l d e d a n d sealed. A t the other enc^the r o d is w e l d e d to a m o v a b l e a c t u a t i n g a r m , w h i c h HIGHLY SENSITIVE TO TEMPERATURE CHANGE. amplifies the d i f f e r e n c e in the e x p a n s i o n r a t e o f the t w o elements. It is this a m p l i f i c a t i o n of the differences in Because of its high r a t i o o f surface a r e a to t h e r m a l mass e x p a n s i o n o f the t u b e a n d r o d t h a t gives the thermostat and intimate contact of the tube with t h e c o n t r o l l e d g o o d switching a c t i o n a n d close t e m p e r a t u r e control.

6 M e d i u m , the thermostat is h i g h l y sensitive to t e m p e r a t u r e changes. O n r a p i d t e m p e r a t u r e rise, the tube w i l l heat OPERATION. faster t h a n the r o d , causing the contacts t o o p e n a t a The tube e x p a n d s on the h e a t i n g cycle causing the l o w low t e m p e r a t u r e . This, in effect, results in t e m p e r a t u r e e x p a n s i o n r o d t o p u l l the a r m t o w a r d the center o f the a n t i c i p a t i o n g i v i n g a very small first cycle overshoot. tube. As h e a t i n g continues, the force causing the contacts to s e p a r a t e increases r a p i d l y.

7 Since the construction of UNDERWRITERS' APPROVAL. the a c t u a t i n g a r m is e x t r e m e l y r i g i d , the possibility of contacts w e l d i n g is v i r t u a l l y e l i m i n a t e d . The actuating The 9 9 0 0 has been a p p r o v e d b y Underwriters L a b o r a - a r m has c o n s i d e r a b l e a m p l i f i c a t i o n of movement and tories. See electrical ratings b e l o w . p o w e r , g i v i n g c l e a n switching. H O W TO ORDER. O n c o o l i n g , the r o d pushes the a c t u a t i n g a r m back to its original position, providing a push-pull action which O p e r a t i n g samples of the KLIXON 9900 C o n t r o l Plug results in the a r m a l w a y s r e t u r n i n g t o its o r i g i n a l setting.

8 A n d C o r d Assembly are a v a i l a b l e u p o n request. SPECIFICATIONS. Adjustable Temperature Range "Off", 200 to 4203F. Calibration Point .. As Specified (normally a t or near 300JF. Calibration Tolerance .. 10 F. Thermal Activity .. 18~F 1'/20F per 15 rotation o f adjusting dial Operation .. O p e n on t e m p e r a t u r e rise Electrical Rating ( U / L A p p r o v e d ) 1600 w a t t s , resistive, 120 V A C. Electrical Clearance ){6" thru AIR a n d over SURFACE. Insulation .. Ceramic Contact Life .. 100,000 Minimum Neon Indicating Light .. 1 / 2 5 W , 1 05-1 2 5 V clear w i t h series resistor o r e q u i v a l e n t Cord # 1 6 - 2 , 65-34, 3 0 0 0 cycle, U / L a p p r o v e d , b l a c k H P N C o r d w i t h plug Cord Length.}

9 6'. Weight SPENCER PRODUCTS. Texas INSTRUMENTS COMMERCIAL CONTROLS DEPT. I N C O R P O R A T E D. M ETALS & C O N T R O L S DIVISION. VERSAILLES, KENTUCKY, COMMERCIAL THERMOSTATS.. 9 9 0 0 SERIES. CONTROL PLUG AND CORD ASSEMBLY ///-TUBE. DIMENSIONS I N INCHES. SPENCER PRODUCTS. COMMERCIAL CONTROLS DEPT. Texas INSTRUMENTS. I N C O R P O R A T E D. VERSAILLES, KENTUCKY, M E T A L S & C O N T R O L S D I V I S I O N. COMMERCIAL THERMOSTATS. IfflHjjj] a 1. H ULTIMHEAT . 9900 SERIES VIRTUAL museum Bfl CONTROL PLUG AND CORD ASSEMBLY. ' J w u t L 1*> <f SPENCER PRODUCTS GROUP. INHERENT OVERHEAT PROTECTORS. MOTOR STARTING RELAYS.

10 MOTOR WINDING THERMOSTATS. CIRCUIT BREAKERS. DISC TYPE THERMOSTATS. TUBE TYPE THERMOSTATS. PRECISION SWITCHES. SPENCER PRODUCTS. Texas INSTRUMENTS COMMERCIAL CONTROLS DEPT. I N C O R P O R A T E D. M ETALS & C O N T R O L S DIVISION V E R S A I L L E S . K E N T U C K Y , U . S . A. i-eo AMTU-5. PRINTED I N


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