Mr. Heater MH25LP - Manual (Page 2)

E2 Installation instructions and Owner’s Manual Model # MH25NG/LP HS25NG/LP
WARNINGS
WARNING: Improper installation, adjustment,
alteration, service or maintenance can cause
property damage, injury or death. Read the
installation, operation, and maintenance instruc-
tions thoroughly before installing or servicing this
equipment. For assistance or additional informa-
tion consult a qualified installer, service agency,
or gas supplier.
WARNING: When used without fresh air, heater
may give off CARBON MONOXIDE, an odorless
poisonous gas. OPEN WINDOW AN INCH OR
TWO FOR FRESH AIR WHEN USING HEATER.
WARNING: This heater is equipped with a PILOT
LIGHT SAFETY SYSTEM. DO NOT TAMPER
WITH PILOT LIGHT SAFETY SYSTEM.
WARNING: If heater shuts off, do not relight until
you provide fresh air. If heater keeps shutting off,
have it serviced. Keep burner and control clean.
Open door for 5 minutes.
Maintain clearances as shown in Figure 2 or on
heater nameplate.
• DO NOT USE MATCH OR OTHER FLAME
FOR LEAK TESTING.
• DO NOT EXCEED 1/2 PSI INLET PRES-
SURE TO HEATER.
DANGER: Carbon monoxide poisoning may lead to
death.
Carbon Monoxide Poisoning:
Early signs of carbon monoxide poisoning resemble the
flu, with headaches, dizziness, or nausea. If you have
these signs, the heater may not be working properly.
Get fresh air at once! Have heater serviced. Some
people are more affected by carbon monoxide than oth-
ers. These include pregnant women, persons with heart
or lung disease or anemia, those under the influence of
alcohol, and those at high altitudes.
CAUTION
• Never connect gas valve or thermostat to line volt-
age or a transformer.
• If the infra-red color of the grid becomes dull when
the building furnace is operating, consult gas sup-
plier on correct gas supply piping sizes.
• This heater is for indoor installation only!
NOTE
Gasket binder material used in this heater assembly will
temporarily emit an odor and/or vapor. This condition
will clear up in approximately 20 minutes and thereafter
will not reoccur. Refer to Chapter 2 for ventilation.
TABLE OF CONTENTS
Chapter Title Page
I Introduction ............................................. E3
II Heater Installation .................................. E5
III Heater Operating Instructions ................ E10
IV Operator Maintenance Instructions ........ E12
V Replacement Parts List .......................... E15
wARNINg:
The State of California requires the following
warning:
COMBUSTION BY-PRODUCTS PRODUCED
WHEN USING THIS PRODUCT CONTAIN CAR-
BON MONOXIDE, A CHEMICAL KNOWN TO THE
STATE OF CALIFORNIA TO CAUSE CANCER
AND BIRTH DEFECTS (OR OTHER REPRODUC-
TIVE HARM).