Table Of Contents - Mr. Heater MHU 50 Operating Instructions And Owner's Manual

WARNING:
YOUR SAFETY IS IMPORTANT TO YOU AND TO OTH-
ERS, SO PLEASE READ THESE INSTRUCTIONS BEFORE
YOU OPERATE THIS HEATER.
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly could
resul in serious injury,death or property damage.
Be sure to read and understand the installation,
operation and service in this manual.
Improper installation, adjustment, alteration,
service or maintenance can cause serious injury,
death or property damage.
THE STATE OF CALIFORNIA REQUIRES THE FOLLOWING WARNINGS:
WARNING:
Combustion by-products produced when using this product contain carbon monoxide, a chemical
known to the State of California to cause cancer and birth defects (or other reproductive harm).
WARNING:
This product contains chemicals, including lead, known to the State of California to cause cancer
and birth defects or other reproductive harm.
CONTENTS
UNIT DIMENSIONS .................................................................. 4
SHIPPING ................................................................................. 5
REQUIREMENTS ....................................................................... 5
UNIT HEATER INSTALLATION ................................................... 6
COMBUSTION & VENTILATION AIR ......................................... 6
VENTING .............................................................................6-10
ELECTRICAL CONNECTIONS ..................................................... 9
GAS CONNECTION ................................................................ 10
LEAK CHECK .......................................................................... 10
START-UP OPERATION ........................................................... 10
HEATING SEQUENCE OF OPERATION .................................... 11
IGNITION CONTROL LED ........................................................ 11
ADJUSTMENTS ...................................................................... 12
SERVICE ................................................................................. 12
WIRING DIAGRAM ................................................................ 13
FUEL CONVERSION ................................................................ 14
PARTS LIST ............................................................................ 19
WARRANTY ........................................................................... 20
2
Compact Unit / Utility Heater
WARNING:
FIRE, BURN, INHALATION, AND EXPLOSION
HAZARD. KEEP SOLID COMBUSTIBLES, SUCH AS
BUILDING MATERIALS, PAPER OR CARDBOARD,
A SAFE DISTANCE AWAY FROM THE HEATER AS
RECOMMENDED BY THE INSTRUCTIONS NEVER
USE THE HEATER IN SPACES WHICH DO OR MAY
CONTAIN VOLATILE OR AIRBORNE COMBUSTIBLES,
OR PRODUCTS SUCH AS GASOLINE, SOLVENTS,
PAINT THINNER, DUST PARTICLES OR UNKNOWN
CHEMICALS.
LANGUAGES
ENGLISH ..............................................................................1-20
FRENCH .....................................................................................
SPANISH ....................................................................................
Operating Instructions and Owner's Manual