MrHeater MH60QFAV Manual

READ INSTRUCTIONS CAREFULLY: Read and follow all instructions. Place instructions in a safe
place for future reference. Do not allow anyone who has not read these instructions to assemble,
light, adjust or operate the heater.
other appliance.
appliance.
WARNING: If the information in this manual is not followed exactly, a fire or
explosion may result causing property damage, personal injury or loss of life.
Featuring NEW QUIET BURNER TECHNOLOGY
FORCED AIR PROPANE
CONSTRUCTION HEATER
2017
www.mrheater.com

2
CONTENTS
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LANGUAGES
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WARNING:
WARNING:
GENERAL HAZARD WARNING:
WARNING:
CARBON MONOXIDE CAN KILL YOU
WARNING:
The State of California requires the following warning:
GENERAL INFORMATION

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SPECIFICATIONS
Model: MH60QFAV MH85QFAV MH125QFAV
OPERATING PRECAUTIONS
is primarily temporary heating of buildings under construction,
alteration or repair.
new connections or reconnections with a soap and water solution
percent combustion efficiency, it still produces small amounts of
death.
instructions.
heater. Proper combustion depends upon this air flow; therefore,
CAUTION: For use with Propane Only
NOT FOR USE WITH DUCT WORK
Model: Length(in) Width(in) Height(in) Weight(LBS)
DIMENSIONS

4
Figure 2
Clearance 60, 85, 125 Forced Air
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due to wind action.
SAFETY PRECAUTIONS
damaged heater.
been modified from its original condition.
them from damage.
do not direct
7. IMPORTANT
hangtag attached to the hose assembly with the color on
the label located near the propane inlet fitting on the heater.
assembly listed on parts list before using heater.
Figure 1.
Figure 2.
ignition.
cord.
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.
Figure 1
Opening Opening
Heater near floor near ceiling
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Figure 2 Clearance Diagram

5
ODOR FADE WARNING
WARNING
Asphyxiation Hazard
not be obstructed.
heater being used.
manual, heater data plate, or contact the factory
improper combustion.
in breathing.
FUEL GAS ODOR
LP gas and natural gas have man-made odorants added
specifically for detection of fuel gas leaks.
If a gas leak occurs you should be able to smell the fuel
gas. Since Propane (LP) is heavier than air you should
smell for the gas odor low to the floor. ANY GAS ODOR
IS YOUR SIGNAL TO GO INTO IMMEDIATE ACTION!
not operate any electrical switches. Do not disconnect
matches or any other source of flame. Do not use your
telephone.
immediately.
if you use natural gas.
area.
declared safe by the firefighters and your fuel gas
supplier.
the building and area before you return. Properly trained
ODOR FADING - NO ODOR DETECTED
can smell the odorant in these fuel gases.
it to become familiar with the fuel gas odor.
around an odor for a period of time can affect your
The odorant in propane (LP) gas and natural gas
is colorless and the intensity of its odor can fade
under some circumstances.
through the soil can filter the odorant.
• Always be sensitive to the slightest gas odor.
continue to detect any gas odor, no matter how small,
ATTENTION - CRITICAL POINTS TO
REMEMBER!
system.
joints; i.e. hose, connections, etc., is a good safety

6
MAINTENANCE AND STORAGE
heater is not in use.
SERVICING
physical discomfort.
heater.
constructed. Do not use a heater which is different from that
IMPORTANT
the hose assembly with the color on the label located near the
or labor. Please include a brief statement indicating date, place of
purchase, the nature of the problem and proof of purchase.
and labor.
OPERATING INSTRUCTIONS
PREPARING FOR OPERATION
found, immediately notify the factory.
wrench.
of power.
START
operate.
STOP
burned.
RESTART AFTER SAFETY SHUTDOWN

7
SIZE AND CAPACITY OF PROPANE
CYLINDERS REQUIRED
full cylinders
good air circulation
no frost on cylinders
60,000 BTU/HR (16.1 kW)
85,000 BTU/HR (33.4 kW)
o o
o o
125,000 BTU/HR (49.1 kW)
o o
PROPANE/LP VAPORATION RATE
100# (45.4kg)
2 Cylinders
3 Cylinders
1 Cylinders
40
38
33
34
32
30
28
23
24
22
20
18
13
14
12
10
8
6
4
2
0
100# (45.4kg)
100# (45.4kg)
Pounds of
Propane in
Cylinder
Maximum continuous BTU Output
per Hour at Various Temperature
0 20 40
100 113,000 167,000 214,000
90 104,000 152,000 200,000
80 94,00 137,000 180,000
70 83,000 122,000 160,000
60 75,00 109,000 140,000
50 64,00 94,000 125,000
40 55,000 79,000 105,000
30 45,000 66,000 85,000
20 36,000 51,000 69,000
10 28,000 38,000 49,000
Propane Heater Cylinder Selection Chart
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0

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WIRING DIAGRAMS MH60QFAV &NMH85QFAV
WIRING DIAGRAMS MH125QFAV

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Forced Air Propane Construction Heater • Model MH60QFAV
REF.# ITEM# DESCRIPTION QTY
REF.# ITEM# DESCRIPTION QTY.

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Forced Air Propane Construction Heater • Model MH85QFAV
REF.# ITEM# DESCRIPTION QTY
REF.# ITEM# DESCRIPTION QTY.