Safety Considerations
Warning, Caution and Important notes appear through-
out this manual in specific and appropriate locations to
alert Installing Contractors and maintenance or service
personnel of potential safety hazards, possible equipment
damage or to alert personnel of special procedures or in-
structions that must be followed as outlined below.
Hazards may exist within this equipment because it con-
tains electrical and numerous moving components. Only
qualified service personnel should install or service this
equipment. Untrained personnel may perform basic main-
tenance such as maintaining filters. Observe precautions
marked in literature and on labels attached to the unit. Fol-
low all safety codes.
General Information
This manual is designed to provide general information on
the common operation of all standard and optional com-
ponents that may have been installed in the unit. Note that
some sections of this manual may not apply to your unit.
This manual has been designed for general purpose and
describes all options offered by Venmar CES that could
be included in the unit. Consult the manual from the Com-
ponent Manufacturer if more detailed technical information
about a specific component is required.
All documentation that was specifically designed for your
unit has been included in the pocket of the control panel,
including (if applicable):
• Electrical schematics
• VHC-36, -42 and -50 DDC Controls Package Manual
Recommended Spare Parts
Spare parts should be ordered at the time the installation
is accepted by the Owner. Spare parts will reduce the
down time in the event of a failure.
The list of spare parts outlined below is considered mini-
mal. Installation in remote locations or when the operation
of heating equipment is essential may require more spare
parts than listed. Please contact the Service Department
at Venmar CES for recommendations.
Minimum spare parts include:
• Two sets of fuses
• One matching set of fan belts
• One set of filters
• One burner control relay module, flame signal ampli-
fier and purge card (optional)
• One flame sensor (optional)
• One spark igniter (optional)
CAUTION
Identifies an instruction which, if not followed, might se-
verely damage the unit, its components, the assembly or
final installation.
IMPORTANT
Indicates supplementary information needed to fully
complete an instruction or installation.
WARNING
Identifies an instruction which, if not followed, might cause
serious personal injuries including possibility of death.
WARNING
Disconnect the main power switch to the unit before
performing service or maintenance. Electric shock can
cause personal injury or death.
VCES-VHC-IOM-1F – VHC-36, -42 & -50
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