Ariston GL 4 S User Manual

WE MAKE USE OF
RECYCLED PAPER
Bosch Thermotechnology Corp.
50 Wentworth Ave Londonderry,
NH03053
Tel. 866 330 2729
www.boschhotwater.com
Ariston Thermo SpA
Viale Aristide Merloni, 45
60044 Fabriano (AN)
Tel. 0732.6011
Telefax. 0732.602331
http://www.aristonthermo.com
E-mail: marketing@aristonthermo.com
Electric Mini Tank Water heaters
Chauffe-eau électriques à miniréservoir
Calentadores de Agua Eléctricos de Minitanque
GL 2.5 S - GL 4 S - GL 4 CA S - GL 6+ S
Made in China

Ariston GL 4 S Specifications

General

Type	Electric
Capacity	4 liters
Power	1.2 kW
Voltage	230 V
Pressure resistance	8 bar
Heating element	Copper
Thermostat	Adjustable
Safety Features	Overheat protection
Thermal insulation	Polyurethane
Installation	Vertical
Connection	1/2 inch

Summary

IMPORTANT SAFETY INSTRUCTIONS

General Usage Safety

Key safety rules for operating the water heater, including grounding and proper installation.

Grounding Instructions

Specific guidance on connecting the water heater to a properly grounded outlet.

Technical Data

General Remarks and Safety

Model Specific Approvals

Notes that the GL 4 CA S model is approved only for installations in Canada.

Thermostat Pre-set Temperatures

Details factory pre-set thermostat temperatures for different models and certifications.

Hydrogen Gas Safety Precautions

Advises on the risks of hydrogen gas and necessary precautions during initial use.

Leak Damage Prevention

Emphasizes proper installation to prevent water damage from leaks, referencing codes.

Installation Instructions

Wall mounting

Instructions for securely mounting the water heater to the wall using the provided bracket.

Floor Mounting

Pipe Connections

Cold and Hot Water Connections

Guidance on connecting the cold water inlet and hot water outlet pipes to the unit.

GL 6+ S Horizontal Installation

Instructions for horizontal installation of the GL 6+ S model.

GL 6+ S Vertical Installation

Instructions for vertical installation of the GL 6+ S model.

Closed System Thermal Expansion

Preventing Thermal Expansion Issues

Recommendations to prevent pressure buildup due to thermal expansion in closed water systems.

Instructions for Use

Starting and Testing

Steps for filling the water heater, checking for leaks, and initial power-up.

Temperature Setting

How to adjust the water temperature using the control knob.

Maintenance Instructions

Periodic Maintenance Overview

Overview of periodic maintenance tasks for the water heater.

Removing the Cover

Step-by-step guide on how to remove the front cover for maintenance.

Draining the Heater

Procedures for safely draining water from the heater for maintenance.

Removing the Heating Element

Instructions for removing the heating element for inspection or replacement.

Replacement of Parts

Changing the Anode Rod

Guidance on inspecting and replacing the anode rod to prevent tank corrosion.

Changing the Heating Element

Steps for replacing the heating element, including gasket and connections.

Changing the Thermostat

Instructions for removing and replacing the thermostat unit.

Resetting High Limit Switch

How to reset the high temperature limit shut-off device and check thermostat operation.

Troubleshooting

Water Not Getting Hot

Steps to diagnose and resolve issues where the water is not heating properly.

Indicator Light Not On

Troubleshooting steps for when the indicator light is not functioning.

Brown Water Issues

Identifying and resolving the cause of brown or rusty water.

Odor in Water

Investigating and addressing unusual odors in the hot water.

Leaking Problems

Procedures for identifying and fixing leaks from fittings or the tank.

Warranty Information

Warranty Coverage Details

Defines the warranty coverage provided by the manufacturer for the water heater.

Warranty Period Specification

Specifies the duration of the warranty for the inner tank and other component parts.

Warranty Exclusions

Lists conditions and situations that are excluded from the limited warranty coverage.

How to Secure Service or Claim

Outlines the procedure for owners to obtain service or file a warranty claim.