Dettson CMO32-II-R - User Manual

Printed in Canada
Printed on 100% recycled paper
2019-03-12
X40001 Rev. Y
Caution: Do not tamper with
the unit or its controls. Call a
qualified service technician.
INSTALLER / SERVICE TECHNICIAN:
USE THE INFORMATION IN THIS MANUAL FOR THE INSTALLATION AND
SERVICING OF THE FURNACE AND KEEP THE DOCUMENT NEAR THE UNIT
FOR FUTURE REFERENCE.
HOMEOWNER:
PLEASE KEEP THIS MANUAL NEAR THE FURNACE FOR FUTURE
REFERENCE.
Manufactured by :
Industries Dettson inc.
Sherbrooke, Québec - Canada
www.dettson.ca
DOMESTIC WATER HEATER
OIL FIRED
Models :
CMO32-II
CMO32-II-R
CMO50-II
CMO32-II & CMO32-II-R
CMO50-II

Summary

Safety Regulations

DANGER, WARNING AND CAUTION

Defines hazard levels DANGER, WARNING, and CAUTION for user safety.

SAFETY INSTALLATION REQUIREMENTS

Outlines essential safety requirements for installation and technician qualifications.

Installation

LOCATION

WATER CONNECTIONS

FLUE PIPE

BLOCKED VENT SHUT-OFF (BVSO)

Details the imperative installation and annual maintenance of the BVSO safety device.

CONTROLS

WIRING

COMBUSTION PRIMARY CONTROL (ON BURNER)

INSTALLING THE OIL BURNER

OIL TANK AND PIPING

VENTILATION AND COMBUSTION AIR

Operation

INITIAL START-UP

Step-by-step guide for safely starting the water heater for the first time.

ADJUSTMENTS

Instructions for making necessary adjustments to ensure proper operation and warranty compliance.

BVSO PERFORMANCE TEST

Details the test procedure to verify the functionality of the BVSO electrical outlet.

FLAME FAILURE

Maintenance

GENERAL

BLOCKED VENT SHUT OFF (BVSO) CLEANING

Details the annual cleaning and inspection procedure for the BVSO safety device.

CLEANING

COMBUSTION CHAMBER REPLACEMENT

Step-by-step guide for replacing the combustion chamber of the unit.

REPLACEMENT PARTS

Dettson CMO32-II-R Specifications

General

Category	Water Heater
Model	CMO32-II-R
Heating Capacity	32, 000 BTU/h
Fuel Type	Natural Gas
Efficiency	82%
Vent Diameter	3"
Water Connections	3/4 inch NPT