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Robertshaw CR-101-A1, Instruction Manual

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Robertshaw CR-101-A1 Instruction Manual Download Page 8

8 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

            

An invensys company 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Industrial Products Division 
 

U.S.A and Canada 

Robertshaw Industrial Products Division 
1602 Mustang Drive 
Maryville, Tennessee 37801 
Telephone: (865) 981-3100  Fax: (865) 981-3168 
http://www.robertshaw.thomasregister.com 
http://www.robertshawindustrial.com 

 
Exports

 

Invensys Appliance Controls 
1701 Byrd Avenue 
P.O. Box 26544 
Richmond, Virginia 23261-6544 
Telephone: (804) 756-6500  Fax: (804) 756-6561 

 
Q-1345  (4/03) 

  Printed 

in 

U.S.A. 

Summary of Contents for CR-101-A1

Page 1: ...2 Mustang Drive Maryville Tennessee 37801 Phone 865 981 3100 Fax 865 981 3168 INSTRUCTION MANUAL NUMBER P 2167 Rev A Note to installer Before installing read instructions carefully and record model number After installing give this manual to operating personnel or see that it is filed for future reference ...

Page 2: ...2 NOTES ...

Page 3: ...PLY PRESSURE 30 psig 2 1 bar nominal 60 psig 4 2 bar Maximum Should always be at least 10 psig 0 7 bar greater than output pressure BIAS ADJUSTMENT FS 18 psig 1 2 bar OVERLOAD PROTECTION 100 psig 7 bar will not damage unit AMBIENT TEMPERATURE LIMITS 40 F to 180 F 40 C to 82 C CONNECTIONS 1 4 female NPT for input output and supply 1 16 NPT for exhaust WEIGHT 1 2 lb 0 54 kg PERFORMANCE DATA ULTIMATE...

Page 4: ...e proper ports as shown in Figure 1 The air supply must be clean dry and regulated use filter regulator 97478 and must not exceed 60 psig 4 2 bar Air pressure in the input chamber exerts a downward force on the input diaphragm This force moves the center assembly down closing the exhaust valve Further movement opens the lower portion of the valve allowing the supply air pressure to enter the outpu...

Page 5: ...e position The Valve 18 Valve Spring 19 and Gasket 23 are now free to fall out Be careful not to drop the parts 2 Using a CLEAN soft brush cloth or paper wipe off the Valve Seats A and B 3 Inspect both Hemispherical Surfaces C of the Valve 18 for dirt chips etc If any scars or imperfections are apparent the Valve 18 should be replaced 4 Replace the Valve 18 Valve Spring 19 Spring Retainer 20 Gaske...

Page 6: ...ke sure that the Valve Spring 19 is seating the Valve 18 properly 6 Replace any worn or defective parts and reassemble the relay DO NOT USE ANY GASKET SHELLAC PIPE COMPOUND OR OTHER SEALANT 7 With Supply and Input air pressure connected check the unit for external leakage 8 Follow procedure in Section IV ADJUSTMENTS CAUTION If cleaning is required do not subject the Diaphragms 6 and 13 to cleaning...

Page 7: ...027668C0001 1 VALVE ASSEMBLY contains items 16 thru 22 081650A0001 1 16 O RING 036240N0014 1 17 ADJUSTABLE SEAT 029352A0001 1 18 VALVE 026059C0001 1 19 VALVE SPRING 029359A0001 1 20 SPRING RETAINER 029354A0001 1 21 O RING 036240N0018 1 22 VALVE COVER 029353A0001 1 23 GASKET 029356A0001 1 24 CAP 029355A0001 1 25 O RING 036240N0119 1 26 HEX NUT 1 4 28 036602A1800 1 27 SEALING WASHER 037723A0001 1 28...

Page 8: ...ustang Drive Maryville Tennessee 37801 Telephone 865 981 3100 Fax 865 981 3168 http www robertshaw thomasregister com http www robertshawindustrial com Exports Invensys Appliance Controls 1701 Byrd Avenue P O Box 26544 Richmond Virginia 23261 6544 Telephone 804 756 6500 Fax 804 756 6561 Q 1345 4 03 Printed in U S A ...

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