U-Line H-5221 Manual Download Page 2

PAGE 2 OF 8 

0716 IH-5221

SAFETY

Please read and understand this entire manual before 

attempting to assemble, operate or install the product.

This manual contains important information about the 

assembly, operation and maintenance of this patio 

heater. General safety information is presented in these 

first few pages and is also located throughout the 

manual. Keep this manual for future reference and to 

educate new users of this product. This manual should 

be read in conjunction with the labeling on the product. 

Safety precautions are essential when any mechanical 

or propane-fueled equipment is involved. These 

precautions are necessary when using, storing and 

servicing this item. Using this equipment with the respect 

and caution demanded will reduce the possibilities 

of personal injury or property damage. The following 

symbols shown below are used extensively throughout 

this manual. Always heed these precautions, as they 

are essential when using any mechanical or fueled 

equipment.

DANGER! Failure to comply with the 
precautions and instructions provided with this 
heater can result in death, serious bodily injury 
and property loss or damage from hazards 

of fire, explosion, burn, asphyxiation and/or 
carbon monoxide poisoning. Only persons who 
can understand and follow the instructions 
should use or service this heater.

DANGER! FOR YOUR SAFETY.
If you smell gas:

1. Shut off gas to the appliance.

2. Extinguish any open flame.
3. If odor continues, keep away from the 

appliance and immediately call your gas 
supplier or fire department.

DANGER! EXPLOSION/FIRE HAZARD.

• Keep solid combustibles, such as building 

materials, paper or cardboard, a safe 

distance away from the heater as 

recommended by the instructions.

• Provide adequate clearances around air 

openings into the combustion chamber.

• Never use the heater in spaces that do or 

may contain volatile or airborne combustibles, 

or products such as gasoline, solvents, paint 
thinner, dust particles or unknown chemicals.

• During operation, this product can be a 

source of ignition. Keep heater area free from 
combustible materials, gasoline, paint thinner, 
cleaning solvents and other flammable 
vapors and liquids. Do not use heater in 
areas with high dust content. Minimum heater 
clearances from combustible materials: three 
(3) feet from the sides and two (2) feet from 
the top.

DANGER! CARBON MONOXIDE HAZARD.

• This heater is a combustion appliance. All 

combustion appliances produce carbon 

monoxide (CO) during the combustion 
process. This product is designed to produce 

extremely minute, non-hazardous amounts 
of CO if used and maintained in accordance 
with all warnings and instructions. Do not 

block air flow into or out of the heater.

• Carbon monoxide (CO) poisoning produces 

flu-like symptoms, watery eyes, headaches, 

dizziness, fatigue and possibly death. You can't 
see it and you can't smell it. It's an invisible killer. 

If these symptoms are present during operation 

of this product, get fresh air immediately!

• For outdoor use only. Never use inside house, 

or other unventilated or enclosed areas.

• This heater consumes air (oxygen). Do not use 

in unventilated or enclosed areas to avoid 

endangering your life.

DANGER! EXPLOSION/FIRE HAZARD.

• Never store propane near high heat, open 

flames, pilot lights, direct sunlight, other ignition 
sources or where temperatures exceed 120°F.

• Propane vapors are heavier than air and can 

accumulate in low places. If you smell gas, 
leave the area immediately.

• Never install or remove propane cylinder while 

heater is lit, near flame, pilot lights, other 
ignition sources or while heater is hot to touch.

• This heater is red hot during use and can 

ignite flammables too close to the burner. 
Keep flammables at least three feet from 
sides and two feet from top. Keep gasoline 
and other flammable liquids and vapors well 
away from heater.

• Store the propane cylinder outdoors in 

a well ventilated space out of reach of 
children. Never store the propane cylinder 
in an enclosed area (house, garage, etc.). If 
heater is to be stored indoors, disconnect the 

propane cylinder for outdoor storage.

WARNING! Every use that may be made of 
heaters cannot be foreseen. Check with your 
local fire safety authority if you have questions 
about heater use. Other standards govern the 
use of fuel gases and heat-producing products 
for specific uses. Your local authorities can 
advise you about these.
If no local codes exist, follow National Fuel Gas

Code, ANS Z223.1. In Canada, installation

must conform to local codes. If no local codes

exist, follow the current national standards of
CANADA CAN/CGA-B 149.2.

Summary of Contents for H-5221

Page 1: ...way from the appliance and immediately call your gas supplier or fire department WARNING Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other applian...

Page 2: ...heater in areas with high dust content Minimum heater clearances from combustible materials three 3 feet from the sides and two 2 feet from the top DANGER CARBON MONOXIDE HAZARD This heater is a comb...

Page 3: ...han air and leaking propane will sink to the lowest level possible It can ignite by ignition sources including matches lighters sparks or open flames of any kind many feet away from the original leak...

Page 4: ...Figure 1 2 Attach ring weight to base using four 20mm bolts See Figure 2 3 Put three reflector spacers into the holes in the emitter Use three nuts to hold the reflector spacers inside of the emitter...

Page 5: ...and Handling Code B149 2 Certain materials or items when stored under the heater will be subjected to radiant heat and could be seriously damaged Use only a cylinder marked for propane A dented rusted...

Page 6: ...reas This heater consumes air oxygen Do not use in unventilated or enclosed areas to avoid endangering your life CAUTION Do not attempt to operate until you have read and understand all general safety...

Page 7: ...ris Air flow must be unobstructed Keep controls burner and circulating air passageways clean Spiders and insects can nest in burner or orifices This dangerous condition can damage heater and render it...

Page 8: ...Control knob is not in ON position 1 Wait until the propane cylinder warms up and becomes unfrosted 2 Clear blockage 3 Turn control knob to ON Burner flame is low 1 Gas pressure is low 2 Outdoor temp...

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