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INSTALLATION AND MAINTENANCE INSTRUCTIONS
IM-12-002-US
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RediHeat
March 2018
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Table of Contents
Related Manuals for Spirax Sarco RediHeat RH-30
Summarization of Contents
Safety Information
Intended Use and General Safety
Ensure proper installation, use, and maintenance by qualified personnel.
Pipeline Hazards and Pressure Systems
Consider pipeline contents, hazardous liquids/gases, and pressure system safety.
System and Operational Safety
Address system considerations, pressure, temperature, tools, clothing, and permits.
Specific Safety Considerations
Residual Hazards and Freezing
Address residual hazards like hot surfaces and protection against freezing.
Product Disposal and Handling
Guidelines for product disposal, returning products, and safe handling of cast iron.
Installation
Heater Mounting and Clearances
Heater can be wall, floor, or ceiling mounted; requires 3' clearance from floor.
Steam Trap and Pressure Relief
Proper steam trap discharge and installation of pressure relief valves are crucial.
Gauge Installation and Operating Pressures
Install temperature/pressure gauges and maintain specified operating pressures.
RediHeat Start-Up Procedure
Initial Start-Up
Steps for initial start-up include checking joints, setting flow, venting air, and calibrating temperature.
Start-up with Recirculation Systems
Procedure for starting RediHeat with forced recirculation loops, including pump and valve settings.
Maintenance
Blending Valve Disassembly
Detailed steps for disassembling the blending valve for maintenance.
Blending Valve Re-assembly
Procedure for re-assembling the blending valve after maintenance.
Heat Exchanger Inspection and Re-assembly
Steps for inspecting, cleaning, and re-assembling the heat exchanger coil.
Troubleshooting
Water Temperature Issues
Diagnosing and resolving problems related to high or low water temperatures.
Heat Exchanger and Valve Problems
Identifying issues originating from the heat exchanger or blending valve.
Restricted Water Flow
Investigating causes of restricted water flow in the system.
Recirculation Systems
Heat Tape Systems
Using electrical heat tape to maintain pipe temperature.
Bleed System
System using a bleed valve to maintain line temperature.
Forced Recirculation Loop - Fixed Thermostat
Using a pump and fixed thermostat diverting valve for recirculation.
Forced Recirculation Loop - Adjustable Thermostat
Using a pump and adjustable thermostat diverting valve for recirculation.
Ordering Spare Parts
Spare Parts Identification
Information required to identify and order spare parts, including serial number and part name.
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