COSMOGAS BMS 15/29 User Manual

INSTRUCTION MANUAL
For installation, use and
maintenance for the
MODELS:
BMS & BTS
Direct Vent
Space / Water Heater
Combined Appliance
For Heating and Domestic Hot Water
These instructions MUST be read prior to installation and
left near the appliance when the installation is completed.
Text complies with minimum size requirements.
U.S.A.
62403262R04 -06/02

COSMOGAS BMS 15/29 Specifications

General

Brand	COSMOGAS
Model	BMS 15/29
Category	Water Heater
Language	English

Summary

SAFETY INSTRUCTIONS

General Hazards and Scald Prevention

Details on hot water hazards, child safety, and temperature setting.

Gas Leak Detection and Response

Procedures to follow if a gas smell is detected to ensure safety.

Combustion Product Safety and Ventilation

Actions to take if combustion products are smelled, emphasizing ventilation.

Installation and Product Safety Precautions

Guidelines for safe installation, handling parts, and preventing hazards.

Explosive Materials and Flammable Products

Warnings against storing flammable materials near the heater.

Routine Maintenance and Servicing

Recommendations for maintaining the heater for safe and reliable operation.

A INSTALLATION INSTRUCTIONS

Operating and Adjusting Output

Location and Clearance Requirements

Safety Relief Valve and Heating Connections

Domestic Water, Water Hardness, and Gas Supply

Thermostat and Electrical Connections

Venting System Types and Installation

5 REGULATING THE DOMESTIC HOT WATER

Adjusting Domestic Hot Water Output

6 BURNER

Changing Gas Type

Adjusting Gas Flow and Pressure

7 WIRING DIAGRAMS

BMS and BTS Wiring Diagram

Functional Wiring Diagram

B OPERATING AND MAINTENANCE INSTRUCTIONS for BMS

BMS Model: Instructions for Use

C OPERATING AND MAINTENANCE INSTRUCTIONS for BTS

BTS Model: Instructions for Use

Start-Up and Ignition Procedures

Step-by-step instructions for initial start-up and burner ignition.

Safety Features and Shutdown

D TROUBLESHOOTING

Troubleshooting Burner Ignition Sequence

Flowchart to diagnose and resolve burner ignition failures.

Troubleshooting Heating System Issues

Steps to diagnose problems when the system does not heat properly.

Troubleshooting Domestic Hot Water Issues

Steps to diagnose issues with domestic hot water supply.

Troubleshooting Indicator Lamp Issues

Guide to diagnosing problems based on the status of indicator lamps.

E IMPORTANT INFORMATION FOR THE CUSTOMER

Emergency Procedures: Gas, Cold, Leaks

Critical steps to take in case of gas smell, system failure, or water leaks.