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Summary of Contents for Spirax Sarco RediHeat RH-90
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Page 1: Table Of Contents
INSTALLATION AND MAINTENANCE INSTRUCTIONS IM-12-002-US March 2018 RediHeat Table Of Contents Page Installation RediHeat Start-Up Procedure 2.1 Initial start-up 2.2 RH-30/60 temperature stabilization adjustment table 2.3 RH-90/120 temperature stabilization adjustment table 2.4 Rediheat with recirculation system start-up Maintenance 3.1 Blending valve disassembly 3.2 Blending valve re-assembly 3.3 Heat exchanger inspection disassembly 3.4 Heat exchanger re-assembly... - Page 2 / low temperature, radiation, noise, falling iv) Spirax Sarco products are not intended to withstand external objects, and dangers to eyes and face. stresses that may be induced by any system to which they are fitted.
- Page 3 1.16 Returning products Customers and stockists are reminded that under EC Health, Safety and Environment Law, when returning products to Spirax Sarco they must provide information on any hazards and the precautions to be taken due to contamination residues or mechanical damage which may present a health, safety or environmental risk.
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Page 4: Installation
(APT) should exchanger casing. Then slowly turn on the steam supply be fitted for correct operation. Contact Spirax Sarco for to the heat exchanger. Adjust the pressure regulator (if details. -
Page 5: Rh-30/60 Temperature Stabilization Adjustment Table
Table 1 Temperature Stabilization Adjustment Table (Approximate setting in degrees of rotation - see illustration below) * Steam pressure measured at heat exchanger inlet Inlet water Point RH-30 RH-60 temp (ºF) 2 psig 5 psig 10 psig 15 psig 2 psig 5 psig 10 psig 15 psig... -
Page 6: Rh-90/120 Temperature Stabilization Adjustment Table
Table 1A Temperature Stabilization Adjustment Table (Approximate setting in degrees of rotation - see illustration below) * Steam pressure measured at heat exchanger inlet Inlet water Point RH-90 RH-120 temp (ºF) 2 psig 5 psig 10 psig 15 psig 2 psig 5 psig 10 psig 15 psig... -
Page 7: Rediheat With Recirculation System Start-Up
2.2 Start-up Procedure for RediHeat Water Remove jam nuts (7) taking care not to turn the stem. Remove shouldered washer (8) and O-ring (9) along Heaters with Recirculation Systems with diaphragm (13), diaphragm plate (11), spring (10) and guide washer (16). The following procedure should be used when starting the Inspect diaphragm for any cracks or tears. -
Page 8: Heat Exchanger Inspection Disassembly
install lower diaphragm case (5) securing it with cap Connect the acid hoses, pump and reservoir. screws (14) tightening in a sequential manner (note For proper cleaning, the acid must be pumped through location of notch in relation to valve body). the exchanger in the direction shown in Fig 1 below. -
Page 9: Troubleshooting
Section 4 Water Temperature Is Too Low Troubleshooting Is the problem in the RediHeat valve or the RediHeat heat exchanger? The easiest method to answer this Observations regarding any problems should be recorded. question is to check the temperature of the pipe which Does the problem present itself during no flow, low runs from the heat exchanger to the blending valve. -
Page 10: Recirculation Systems
The following describes several systems and their interaction In addition to the fixed thermostatic element diverting valve, with the RediHeat instantaneous heater: Spirax Sarco offers as an option an adjustable diverting A. Heat Tape Systems valve. The adjustable diverting valve can be used to provide... -
Page 11: Ordering Spare Parts
• Name or description of part required stabilize. Spirax Sarco presents the information in this manual as good engineering practice. We cannot be held responsible for any damage to equipment that may result from mal- operation nor for any personal injuries should they occur... - Page 12 Spirax Sarco Applications Engineering Department Toll Free at: 1-800-883-4411 SPIRAX SARCO, INC. • 1150 NORTHPOINT BLVD. • BLYTHEWOOD, SC 29016 PHONE 803-714-2000 • FAX 803-714-2200 www.spiraxsarco.com/global/us...
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