4
Operating Instructions and OwnerÊs Manual
Mr. Heater, Inc.| Forced Air Propane Construction Heater
Figure 2
MINIMUM CLEARANCE: From normal combustible material
Clearance
60, 85, 125 Forced Air
From floor ....................................0 ft
From outlet ..................................6 ft
From sides ...................................2 ft
From top ......................................6 ft
Locate 10 ft. from canvas or plastic tarpaulins or similar
coverings and secure them to prevent flapping or movement
due to wind action.
SAFETY PRECAUTIONS
1.
Check the heater thoroughly for damage. DO NOT operate a
damaged heater.
2. DO NOT modify the heater or operate a heater which has
been modified from its original condition.
3. Use only propane gas.
4. Use only VAPOR WITHDRAWAL propane supply. If there is any
question about vapor withdrawal, ask your propane dealer.
5. Mount the propane cylinders vertically (shutoff valve up).
Secure them from falling or being knocked over and protect
them from damage.
6. Locate propane containers at least (USA) 7 ft. (2.13m),
(Canada) 10 ft. (3m) from the heater and
do not
direct
exhaust toward containers.
7.
IMPORTANT
Use only the hose and regulator assembly
provided with the heater. Match the color stripe on the
hangtag attached to the hose assembly with the color on
the label located near the propane inlet fitting on the heater.
Inspect hose assembly before each use of the heater. If there
is excessive abrasion or wear, or hose is cut, replace with hose
assembly listed on parts list before using heater.
8. For indoor use only. Area must be well ventilated.
Figure 1
.
(also see "Operating Precautions").
9. If at any time gas odor is detected, IMMEDIATELY
DISCONTINUE operation until the source of gas has been
located and corrected. Read enclosed Odor fade and Propane
Sheet for additional information about detecting propane
leaks.
10. Install the heater such that is is not directly exposed to water
spray, rain and/or dripping water.
11. Maintain minimum clearance from normal combustible
material (like paper).
Figure 2
.
12. Due to the high surface and exhaust temperatures, adults and
children must observe clearances to avoid burns or clothing
ignition.
13. Operate only on a stable, level surface.
14. Do not use with duct work. Do not restrict inlet or exit.
15. Use only the electrical power specified. The electrical
connection and grounding must comply with National
Electrical Code - ANSI/NFPA 70 (USA) and CSA C22.1 Canadian
Electrical Code, Part 1 (Canada).
16. Use only a properly grounded 3-prong receptacle or extension
cord.
17. Do not move, handle or service while hot or burning.
18.
Do not adjust the heater combustion tube elevation while
heater is running or hot. Adjustments to elevation should
only be made after the heater has cooled to touch.
19. Use only in accordance with local codes or, in the absence of
local codes, with the Standard for the Storage and Handling
of Liquefied Petroleum Gases ANSI/NFPA 58 and CSA B149.1,
Natural Gas and Propane Installation Code.
Figure 1
VENTILATION: Minimum openings required
Opening
Opening
Heater
near floor
near ceiling
Forced air (55, 60) ................ 1 ft
2
..........................1 ft
2
Forced air (85, 125) .............. 2 ft
2
..........................2 ft
2
6 Ft. Outlet
6 F
t. T
o
p
2 Ft. Rear
2 Ft. Sides
Figure 2 Clearance Diagram
Floor
