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General| Brand | Mueller |
|---|---|
| Model | Fre-Heater D Series |
| Category | Water Heater |
| Language | English |
Details the Fre-Heater's de-superheating function and provides manufacturer contact for assistance.
Covers unit capacity, refrigeration system compatibility, and technical specifications for various models.
Covers unit inspection, selecting an appropriate location, and procedures for leveling the Fre-Heater.
Details water inlet/outlet connections, bypass lines, pressure relief, dump valves, and expansion tanks.
Guides on refrigerant line installation, insulation, cabinet integration, and system controls.
Explains electrical wiring for heating and controls, plus special operating instructions for the Model 'DE'.
Outlines essential annual maintenance tasks for ensuring the longevity and performance of the Fre-Heater.
Provides guidance on installing the three-way heat reclaim valve and its role in water temperature regulation.
Details wiring for transformers, aquastats, and solenoid valves, adhering to electrical codes and diagrams.
Outlines steps for checking leaks, charge, and verifying the proper operation of all installed controls and valves.
Explains how to estimate heat recovery using tables based on water flow, temperature, and system variables.
Details safety warnings for servicing, pressure relief, hot water hazards, and lists certification marks.
Covers labels for conductors, connections (HOT, COLD, IN, OUT), pressure relief, and CSA/USK certifications.
Includes Mueller name plate, control wiring specs, refrigerant type, and data plate details.
Provides guidance on nitrogen gas handling, data plate layouts, and CRN numbers for regulatory compliance.
Mandates thermal expansion tank installation for dairy farm use to prevent Fre-Heater failure and ensure warranty.
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