Spirax Sarco RediHeat RH-30 User Manual

1
RediHeat
INSTALLATION AND MAINTENANCE INSTRUCTIONS
IM-12-002-US March 2018
Table Of Contents Page
I. Installation 4
2. RediHeat Start-Up Procedure 4
2.1 Initial start-up 4
2.2 RH-30/60 temperature stabilization adjustment table 5
2.3 RH-90/120 temperature stabilization adjustment table 6
2.4 Rediheat with recirculation system start-up 7
3. Maintenance 7
3.1 Blending valve disassembly 7
3.2 Blending valve re-assembly 7
3.3 Heat exchanger inspection disassembly 8
3.4 Heat exchanger re-assembly 8
4. Troubleshooting 9
5. Recirculation Systems 10
6. Ordering Spare Parts 11

Spirax Sarco RediHeat RH-30 Specifications

General

Model	RH-30
Heating Capacity	Up to 30 GPM
Maximum Working Pressure	150 psi
Material	Stainless Steel
Type	Steam Water Heater
Steam Connection	1" NPT

Summary

Safety Information

Intended Use and System Hazards

Focus on product suitability, pipeline hazards, environment, and system impact.

Operational Safety Procedures

Covers access, lighting, pressure, temperature, tools, clothing, permits, and handling.

RediHeat Start-Up Procedure

Initial Start-Up Steps

Covers checking joints, water supply, venting air, and setting temperature.

Temperature Stabilization Adjustment

Details calibrating outlet temperature by adjusting the control rod.

Maintenance

Blending Valve Disassembly

Step-by-step guide for disassembling the blending valve for inspection.

Blending Valve Re-assembly

Procedure for reassembling the blending valve after maintenance.

Heat Exchanger Inspection Disassembly

Heat Exchanger Re-assembly

Troubleshooting

General Troubleshooting Approach

Water Temperature Issues

Diagnosing high or low water temperature problems and potential causes.

Heat Exchanger and Blending Valve Problems

Restricted Water Flow Causes