Operating Guide
8
PLEASE NOTE: 45H IS FOR OUTDOOR PERMANENT INSTALLATIONS ONLY AND 45HI IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL 
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The water heater must be located so it is not
subject to physical damage, for example, by
moving vehicles, area ooding, etc.
The water heater must be installed vertically
with the water, gas, and power connections 
on the underside, pointing toward the 
ground.
Failure to properly install the water heater
outdoors as outlined in this manual can result
in unsafe operation.
Hot and cold water lines should be insulated 
to conserve water and energy.
DO NOT install water heater where subject to
vibrations.
DO NOT install the water heater in 
Recreational Vehicles, Mobile Homes, Boats 
and other Watercraft.
DO NOT install the water heater near vents 
for heating or cooling. A minimum of 4 feet 
should be maintained.
If the clearances stated on the Instruction/
Warning Label, located on the front panel 
of the heater dier, install the water heater 
according to the clearances stated on the label.
Location
This water heater is for OUTDOOR
installation ONLY!
Make sure before installation that the gas 
type you will use is the same type on the 
data plate.
The water heater unit should be installed 
by professionals from your local gas 
company. Please don’t attempt installation 
by yourself. Improper installation may 
cause failure or dangerous conditions such 
as gas leaking or explosion.
This water heater is an outdoor model and
must be mounted on a vertical wall. It must
not be installed indoors or in a conned 
space. The water heater should be installed 
close to the most frequently used outlet 
and its position chosen with safety and 
service in mind.
Make sure people (particularly children, 
disabled, and elderly) will not touch the 
hot water outlet or the ue terminal. The 
ue terminal and air inlet must be clear of 
obstruction and shrubbery.
If installed in a public corridor, please assure 
that the surrounding area is free of debris, 
obstruction and ammable materials.
The unit must be installed on a re retardant
area, and must be away from all ammable
materials. Clearance should be 1.75 ft to the
left and right side of ammable materials,
and 6.75 ft to the front.
The unit should be installed in open area 
where strong currents are not prevalent
This unit is of high power and will consume a 
lot of oxygen when working, so the installation 
area must be well ventilated, and air in and 
out of the area has no blockage.
The outdoor unit should not be installed in a
corridor with rooms on the both sides or in 
the closed corridor.
Take measures to avoid direct wind, rain 
and snow. The installation area should be 
constructed of re retardant materials. The 
power socket connecting the water heater 
should be properly grounded.
Installing the 45-H water heater
 WARNING: Combustible construction
refers to adjacent walls and ceilings and
should not be confused with combustible
or ammable products and materials.
Combustible and/or ammable products
and materials should never be stored in
the vicinity of this or any gas appliances.
45-H










