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Bradford White RE2H50S 1NCWT Series User Manual

Bradford White RE2H50S 1NCWT Series
28 pages
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Heat Pump Water Heater
RE2H50S*-1NCWT
RE2H65T*-1NCWT
RE2H80T*-1NCWT
For your family’s comfort, safety, and
convenience we recommend this
water heater be installed and serviced
by a plumbing professional.
ECO 8384-1
Effective: Sept 2020
238-52169-00A 9/20
INSTALLATION & OPERATION INSTRUCTION MANUAL

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Bradford White RE2H50S 1NCWT Series Specifications

General IconGeneral
Model NumberRE2H50S 1NCWT
TypeElectric
Capacity50 Gallons
Energy SourceElectric
Voltage240V
Wattage4500W
Phase1
Heating Elements2
Diameter22 inches
Weight150 lbs
Warranty6 Years
Recovery Rate21 GPH

Summary

General Information and Safety

Safety Warnings and Precautions

Important safety warnings, including fire, explosion, electric shock risks, and handling submerged appliances.

Operational Modes Explained

Heat Pump Only Mode for Maximum Savings

Details Heat Pump (Only) mode as the most energy-efficient option, using surrounding air to heat water.

Hybrid Mode for Balanced Performance

Describes Hybrid Mode, balancing energy efficiency with recovery speed using both heat pump and electric elements.

Temperature Adjustment and Safety

Scald Injury Risks and Prevention

Warns about scald risks from high water temperatures and recommends mixing valves for safety.

Adjusting Temperature Settings

Provides instructions on adjusting the water temperature from the factory preset of 120°F to a desired range.

Installation Instructions

Air Exchange Efficiency and Clearances

Importance of Air Exchange for Efficiency

Explains how sufficient air exchange is crucial for optimal performance and efficiency, preventing increased energy consumption.

Condensate Drain and Thermal Expansion

Thermal Expansion in Closed Systems

Explains thermal expansion in closed water systems, its causes, potential damage, and solutions like expansion tanks.

Water Supply Connections

Pre-Connection Procedures and Fittings

Steps to take before connecting water supply, including closing the main valve and relieving pressure.

Temperature-Pressure Relief Valve Installation

Emphasizes the critical role and proper installation of the temperature-pressure relief valve for safety.

Water Supply Safety Controls

Hydrogen Gas Warning and Prevention

Warns about the risk of flammable hydrogen gas accumulation and precautions to take before use.

Scald Danger and Temperature Settings

Highlights the danger of hot water scalds, especially for children, disabled, and elderly, and recommended settings.

Typical Installation Diagram and Relief Valve

Relief Valve Installation Requirements

Details requirements for installing the temperature and pressure relief valve, including rating, BTUH capacity, and discharge piping.

Filling and Electrical Notices

Electrical Wiring and Voltage Warnings

Details electrical connection requirements, voltage specifications, and warnings about power management devices.

Electrical Connections

Ground Connection Importance

Stresses the critical importance of proper ground connection for electrical safety and preventing isolation.

Normal Startup and General Operation

Maintenance Schedule and Procedures

Draining, Flushing, and Filter Cleaning

Filter Cleaning and Condensate Drain

Anode Rod Maintenance and Service

Servicing the Anode Rod

Provides detailed instructions for disconnecting power, draining, removing, inspecting, and reinstalling the anode rod.

Fault Codes Explained

Fault Code Identification and Testing

Lists and explains fault codes related to evaporator, superheat, compressor, EEV, ambient temperature, and current draw.

Sensor and Component Failure Codes

Details fault codes indicating failures in tank temperature sensor, compressor, fan, and various thermistor sensors.

More Fault Codes and Conditions

Sensor, Voltage, and Filter Faults

Explains fault codes for sensor failures, low voltage, dry tank conditions, and dirty filters.

DataFlash, Anode, and Wiring Faults

Covers fault codes related to memory, anode depletion, wiring issues, low voltage, blocked drains, and update failures.

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