Mr. Heater MHU 75 - Manual

Mr. Heater MHU 75

Mr. Heater MHU 75 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – GENERAL HAZARD WARNING:; ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW; The State of California requires the following warning:; CONTENTS
  • Page 3 – SIDE VIEW; START–UP AND PERFORMANCE CHECK LIST; BACK VIEW
  • Page 4 – SHIPPING; table 1; GARAGE INSTALLATIONS:; TABLE 1
  • Page 5 – UNIT HEATER INSTALLATION; figure 1; VENTING; TABLE 2; FIGURE 1; COMBUSTION AND VENTILATION AIR
  • Page 6 – figure 2; C – HORIZONTAL VENTING – GENERAL; VENT TERMINATION ON SINGLE WALL VENT; FIGURE 2
  • Page 7 – D – HORIZONTAL VENTING – COMMERCIAL; FIGURE 3
  • Page 8 – F – VENTING USING A MASONRY CHIMNEY; IMPORTANT; HORIZONTAL VENTING - RESIDENTIAL INSTALL ATION; G – REMOVAL OF UNIT FROM COMMON VENT
  • Page 9 – ELEC TRICAL CONNECTIONS; NOTE; WARNING
  • Page 10 – GAS CONNECTION; UNIT START–UP
  • Page 11 – ADJUSTMENTS; table 4; ROBERTSHAW 2000DER GAS VALVE; LED
  • Page 12 – SERVICE; C AUTION; TABLE 4
  • Page 13 – WIRING SCHEMATIC FOR UNITS WITH
  • Page 14 – SEE BACK PAGE FOR PARTS ORDERING INFORMATION; COMBUSTION AIR BLOWER
  • Page 16 – PARTS ORDERING INFORMATION:; Accessories may be purchased at any Enerco / Mr. Heater local dealer; FOR INFORMATION REGARDING SERVICE; LIMITED WARRANTY; READ INSTRUC TIONS C AREFULLY:; Read and; OPERATING INSTRUCTIONS AND OWNER’S MANUAL
Loading the manual

03/05 Revision L1 #60016

ENERCO GROUP, INC., 4560 W. 160TH ST., CLEVELAND, OHIO 44135 • 216-916-3000

READ INSTRUC TIONS C AREFULLY:

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.

LE

D

O

M

LE

D

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M

OPERATING INSTRUCTIONS AND OWNER’S MANUAL

MR. HEATER

HEATSTAR

COMPACT UNIT HEATER

MHU 45
MHU 75

Improper installation, adjustment, alteration, service or maintenance can

cause injury or property damage. Refer to this manual. For assistance or additional
information consult a qualified installer, service agency or the gas supplier.

WARNING:

— WHAT TO DO IF YOU SMELL GAS

Open Windows

DO NOT

try to light any appliance.

DO NOT

use electrical switches.

DO NOT

use any telephone in your house. Immediately call your local gas supplier from a

neighbor’s telephone. Follow the gas supplier’s instructions.

Do not

touch any electrical switch; do not use any phone in your building.

Installation and service must be performed by a qualified installer, service agency or the gas
supplier.

If you cannot reach your gas supplier, call the Fire Department.

FOR YOUR SAFETY:
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of
this or any other appliance.

WARNING: If the information in these instructions are not followed exactly, a fire or
explosion may result causing property damage, personal injury or loss of life.

HSU 45
HSU 75

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Summary

Page 2 - GENERAL HAZARD WARNING:; ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW; The State of California requires the following warning:; CONTENTS

2 Enerco | Compact Unit Heater Operating Instructions and Owner’s Manual GENERAL HAZARD WARNING: FAILURE TO COMPLY WITH THE PRECAUTIONS ANDINSTRUCTIONS PROVIDED WITH THIS HEATER, CANRESULT IN DEATH, SERIOUS BODILY INJURY ANDPROPERTY LOSS OR DAMAGE FROM HAZARDS OF FIRE,EXPLOSION, BURN, ASPHYXIATION, ...

Page 3 - SIDE VIEW; START–UP AND PERFORMANCE CHECK LIST; BACK VIEW

3 Operating Instructions and Owner’s Manual Enerco | Compact Unit Heater MHU45/MHU75 AND HSU45/HSU75 UNIT DIMENSIONS (N-NATURAL GAS, P-PROPANE) GAS INLET SIDE VIEW SERVICE ACCESS PANEL HANGING BRACKETS (2) ADJUSTABLE LOUVERS TOP VIEW MOUNTING SLOTS (Typical)5/16 x 3 Inches (8 x 76 mm) HANGING BRACKE...

Page 4 - SHIPPING; table 1; GARAGE INSTALLATIONS:; TABLE 1

4 Enerco | Compact Unit Heater Operating Instructions and Owner’s Manual SHIPPING The heater is completely assembled. Installation instructions, twomounting brackets (shipped loose), and a flue transition areincluded. Check the unit for shipping damage. The receivingparty should contact the last car...

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