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Introduces the manual's purpose for installers and owners, covering safety, operation, and parts.
Details risks of high water temperatures and recommendations for safe temperature settings to prevent scalding.
Outlines California law for bracing water heaters against seismic activity, with contact information.
Essential safety practices for installation, operation, and servicing to minimize risks.
Guidance on selecting location, inspecting shipment, and making water/electrical connections.
Addresses thermal expansion issues, relief valve installation, and filling procedures.
Instructions for pipe insulation, relief valve insulation, heat traps, and the LeakGuard™ system.
A comprehensive checklist summarizing key installation steps for location, water, relief valve, and wiring.
Covers hydrogen gas warnings, safety precautions, and the function/reset of safety controls like the ECO.
Discusses setting water temperature for efficiency and safety, including the VACATION mode feature.
Instructions for adjusting temperature, locking/unlocking keypad, and activating VACATION mode.
Steps for setting temperatures above 140°F and interpreting heating status indicators.
How to override leak detection and mute alarm beeps, noting the need to correct underlying issues.
Guide for connecting to Wi-Fi and the Rheem EcoNet app, with steps for resolving connection issues.
Explains LED blink patterns and lists specific error codes with recommended actions for diagnosis.
Instructions for safely draining the water heater and recommendations for routine preventative maintenance.
Guidance for extended non-use and the importance of anode rod maintenance for tank protection.
A troubleshooting chart to diagnose and resolve common problems before contacting service personnel.
Steps to connect directly to the water heater using local mode and the Rheem EcoNet app for diagnostics.
Instructions for ordering parts, detailing necessary model, serial number, and part description.
Instructions for qualified service personnel on removing the cavity insert to replace thermostats or heating elements.
Provides a detailed schematic of the water heater's electrical connections and internal wiring.
Guidance on contacting installers, contractors, or the manufacturer's service department for assistance.
Introduces the manual's purpose for installers and owners, covering safety, operation, and parts.
Details risks of high water temperatures and recommendations for safe temperature settings to prevent scalding.
Outlines California law for bracing water heaters against seismic activity, with contact information.
Essential safety practices for installation, operation, and servicing to minimize risks.
Guidance on selecting location, inspecting shipment, and making water/electrical connections.
Addresses thermal expansion issues, relief valve installation, and filling procedures.
Instructions for pipe insulation, relief valve insulation, heat traps, and the LeakGuard™ system.
A comprehensive checklist summarizing key installation steps for location, water, relief valve, and wiring.
Covers hydrogen gas warnings, safety precautions, and the function/reset of safety controls like the ECO.
Discusses setting water temperature for efficiency and safety, including the VACATION mode feature.
Instructions for adjusting temperature, locking/unlocking keypad, and activating VACATION mode.
Steps for setting temperatures above 140°F and interpreting heating status indicators.
How to override leak detection and mute alarm beeps, noting the need to correct underlying issues.
Guide for connecting to Wi-Fi and the Rheem EcoNet app, with steps for resolving connection issues.
Explains LED blink patterns and lists specific error codes with recommended actions for diagnosis.
Instructions for safely draining the water heater and recommendations for routine preventative maintenance.
Guidance for extended non-use and the importance of anode rod maintenance for tank protection.
A troubleshooting chart to diagnose and resolve common problems before contacting service personnel.
Steps to connect directly to the water heater using local mode and the Rheem EcoNet app for diagnostics.
Instructions for ordering parts, detailing necessary model, serial number, and part description.
Instructions for qualified service personnel on removing the cavity insert to replace thermostats or heating elements.
Provides a detailed schematic of the water heater's electrical connections and internal wiring.
Guidance on contacting installers, contractors, or the manufacturer's service department for assistance.
This document is a comprehensive Use & Care Manual with Installation Instructions for an Electric Residential Water Heater with Electronic Control. It is designed to provide both installers and owner-operators with essential information regarding the water heater's setup, operation, safety, maintenance, and troubleshooting.
The electric residential water heater is designed to provide hot water for household use. It features an electronic control system that allows for precise temperature regulation and includes advanced safety and diagnostic capabilities. The water heater is equipped with heating elements that heat the water stored in its tank, and a temperature limiting control (ECO) to prevent excessively high water temperatures. A key feature is the integrated Wi-Fi capability, which allows users to remotely control the water heater, receive leak detection alerts, and access diagnostic information via a mobile app (Rheem EcoNet®). This connectivity enhances convenience and provides proactive alerts for potential issues. The water heater also incorporates a LeakGuard™ system with built-in leak detection and an automatic water shut-off valve, which detects water presence, alerts the electronic control and EcoNet app, shuts down heating elements, and closes the shut-off valve to prevent water damage.
The water heater's electronic control panel serves as the primary interface for users. Upon initial power-up, the water heater is in a "Disabled" mode, indicated by only the power LED being illuminated. Users can set the desired water temperature, ranging from 110°F to 150°F, by pressing the RIGHT arrow button on the control panel. Temperature adjustments are made in 5°F increments, though finer control may be available through the Rheem EcoNet® app.
For energy saving, a "VACATION" mode is available, which reduces the water temperature to a predetermined lower setting when hot water is not needed for extended periods. This mode is activated by pressing the LEFT arrow until the "VACATION" indicator is lit.
The control panel also features a keypad locking mechanism to prevent unintentional temperature changes. Users can lock the keypad by pressing and holding both arrow buttons for 3 seconds, and unlock it using the same method.
The water heater provides heating status feedback through a blinking temperature indicator on the control panel, signifying that a heating element is actively heating water.
In situations where water temperatures above 140°F are desired (up to 150°F), the keypad must first be unlocked by pressing and holding both arrow buttons for 3 seconds. The keypad will not lock when decreasing temperatures below 140°F.
The LeakGuard™ system includes a 24-hour leak detection override feature. If a leak alarm is triggered by spilled water (not from the water heater itself), users can press the "CLEAR ALARM" button for 1 second to silence the alarm beep and allow the heater to run normally for 24 hours. The "SERVICE NEED" indicator will be solid red, and the EcoNet app will display an alert if water is detected during this override period. The alarm beep can also be muted by pressing the LEFT arrow button, though the alarm condition will persist until the underlying issue is resolved.
Wi-Fi setup involves pressing the Wi-Fi SETUP button for 2 seconds (or 5 seconds for a reset), connecting a mobile device to the local Wi-Fi network, downloading the Rheem EcoNet® app, creating an account, and following in-app instructions. A blinking blue Wi-Fi indicator signifies setup mode, and a solid blue indicates a successful connection. In case of connection failure, the Wi-Fi Status LED will blink red 3 times, prompting a reset of the Wi-Fi module.
Routine preventative maintenance is crucial for ensuring years of dependable, trouble-free service from the water heater. Users are encouraged to establish and follow a regular maintenance program.
Key maintenance tasks include:
The manual also provides a troubleshooting guide to help users diagnose common problems like rumbling noise, relief valve popping, rattling noise, insufficient hot water, or water that is too hot. It outlines possible causes and corrective actions, emphasizing that repairs of electrical wiring, temperature sensors, electronic controls, heating elements, or other safety devices should only be attempted by qualified service personnel.
General| Brand | Rheem |
|---|---|
| Model | Gladiator |
| Capacity | 50 Gallons |
| Voltage | 240V |
| Power Source | Electric |
| Type | Electric |
| Wi-Fi Connectivity | Yes |
| Smart Features | Leak detection |
| Warranty | 12 Years |
| First Hour Rating | 67 Gallons |
| Recovery Rate | 21 GPH |
