High Temperature Kit Installation Manual for Bradford White RTG 199HE / RTG 199ME

Quick guide from the manual

This document provides instructions for installing the High Temperature Kit on Bradford White RTG 199HE and RTG 199ME water heaters. The installation involves accessing the control unit, installing specific jumpers, and configuring the software settings. Note: Installing this kit reduces the heat exchanger warranty to 5 years from the date of original installation.

Tools needed:

• Phillips head screwdriver
• Small flat head screwdriver
• Needle-nosed pliers

Preparation

Before starting, ensure the water heater is powered off and disconnected from the power supply to prevent electric shock. Loosen the two Phillips head screws on the bottom rear of the front cover, pull the cover bottom outwards, and lift it upwards to remove.

Control unit service position

To access the circuit board:

1. Remove the three Phillips screws on the front of the control unit.
2. Turn the control unit to expose the rear.
3. Remove the rear hatch from the control unit to expose the circuit board electrical connections.

Notice: Avoid touching the printed circuit board (PCB) as static discharge may damage the circuitry.

RTG 199ME Models

For RTG 199ME models, follow these steps:

• Do not remove existing jumpers 5 and 6.
• Install the jumpers from the kit on positions JP7 and JP8.
• Reinstall the rear hatch and control unit.
• Power on the appliance. Press the + button to reach temperatures above 140 °F (60 °C).

RTG 199HE Models

For RTG 199HE models, follow these steps:

• Install the jumpers from the kit on positions JP2 and JP5.
• Power on the appliance. The key symbol must appear on the display.
• Press and hold the + or - and P buttons simultaneously for 3 seconds until the display reads P2.
• Use the + or - button to cycle through programs until the display shows PE.
• Press P to enter PE adjustment.
• Use the + or - button to select C.
• Hold the P button for 5 seconds until the display flashes C.
• Turn off the appliance, remove the jumpers from the PCB, and store them with the technical documentation.
• Reinstall the rear hatch and control unit.
• Power on the appliance and press the + button to reach temperatures above 140 °F (60 °C).

Important Safety and Warranty Information

Always unplug the power supply cord before servicing to avoid fatal injury from electric shock. For DHW recirculating applications, contact a qualified technician to avoid damage to internal components.