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Airxcel Suburban ST-42 Operation And Maintenance Manual
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Airxcel Suburban ST-42 Operation And Maintenance Manual

Airxcel Suburban ST-42 Operation And Maintenance Manual

On demand water heater direct vent gas with direct spark ignition
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ON DEMAND WATER HEATER DIRECT
VENT GAS WITH DIRECT SPARK IGNITION
676 Broadway Street | Dayton, TN 37321 USA
423.775.2131 | www.Airxcel.com/Suburban
WARNING
If the information in these instructions is not
followed exactly, a fire or explosion may result
causing property damage, personal injury or
death.
-
Do not store or use gasoline or other
flammable vapors and liquids in the vicinity of
this or any other appliance.
-
WHAT TO DO IF YOU SMELL GAS
•
Evacuate all persons from the vehicle.
•
Shut off the gas supply at the gas container
or source.
•
Do not touch any electrical switch, or use
any phone or radio in the vehicle.
•
Do not start the vehicle's engine or electric
generator.
•
Contact the nearest gas supplier or qualified
service technician for repairs.
•
If you cannot reach a gas supplier or
qualified service technician, contact the
nearest fire department.
•
Do not turn on the gas supply until the gas
leak(s) has been repaired.
-
Installation and service must be performed
by a qualified installer, service agency or the
gas supplier.
PN: 206212-1
04-16-2024
MAINTENANCE MANUAL
FREEZE WARNING
Drain or fill with RV approved antifreeze if subject
to freezing temperatures when storing for winter.
Installation of this appliance must be made in
accordance with the written instruction provided in
this manual. No agent, representative or employee
of Suburban or other person has the authority
to change, modify or waive any provision of the
instructions contained in this manual.
Improper
maintenance or installation can cause serious
injury or death.
Read and follow all instructions and precautions
in this manual. Installation and service must be
performed by a qualified service agency or the gas
supplier.
AN ODORANT IS ADDED TO THE GAS USED BY THIS
WATER HEATER.
ALL TECHNICAL AND WARRANTY QUESTIONS SHOULD
BE DIRECTED TO THE COMPANY LISTED ON THE
WARRANTY OR RATING PLATE WHICH CAME WITH
YOUR WATER HEATER.
OPERATION and
MODELS:
ST-42, ST-60
FOR INSTALLATION IN
RECREATIONAL VEHICLES
WARNING
adjustment,
alteration,
service,

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Summary of Contents for Airxcel Suburban ST-42

  • Page 1 VENT GAS WITH DIRECT SPARK IGNITION ST-42, ST-60 FOR INSTALLATION IN RECREATIONAL VEHICLES 676 Broadway Street | Dayton, TN 37321 USA 423.775.2131 | www.Airxcel.com/Suburban FREEZE WARNING WARNING Drain or fill with RV approved antifreeze if subject If the information in these instructions is not to freezing temperatures when storing for winter.

  • Page 2: Table Of Contents

    Never operate the appliance if you smell gas. TABLE OF Do not assume that the smell of gas in your RV is normal. Any time you detect the odor of gas, it CONTENTS is to be considered life threatening and corrected immediately.

  • Page 3: Operating Safety Information

    • Do not touch any electrical switch, or use any phone or to reach the user due to cold water in the hot water line. radio in the vehicle. Burners will modulate to accurately control the outlet water temperature. • Do not start the vehicle’s engine or electric generator.

  • Page 4: Maintenance

    seconds. This will allow the maximum outlet temperature • Flow restrictors in faucets and shower heads should be to reach 131°F/55°C. removed for best performance. SEQUENCE OF OPERATION 1. Turning ON a hot water faucet activates the appliance. TO TURN OFF THE ON DEMAND WATER HEATER 2.
  • Page 5 676 Broadway Street, Dayton, TN 37321 freeze protection, the gas supply must be ON, gas must be available and electrical power must be ON. (423) 775-2131 Ext. 7101 • www.Airxcel.com DESCALING INFORMATION Each year, drain the water from the system and flush the heat exchanger with an approved descaling solution.
  • Page 6 Figure 3 HOT WATER OUTLET DC 12V CONTROL CENTER COLD WATER INLET COMPRESSED AIR GAS INLET WATER DRAINAGE PIPE Figure 5 FUSE ECO SWITCH RESET ON/OFF SWITCH...

  • Page 7: Product Specifications

    Figure 7 SYMBOL FUNCTION DESCRIPTION WATER This icon is displayed when water is flowing FLOW through the unit (i.e. hot water demand). This icon is displayed when the blower is BLOWER running. FLAME This icon is displayed when the burners are on. OUTLET WATER This icon displays the outlet water temperature...
  • Page 8 Center to your location is the responsibility of the owner/user. A current listing of recommended service center may be obtained from Suburban’s website: www.Airxcel.com. If you cannot locate a recommended service center locally, the service agency chosen to perform warranty repairs must contact our Service Department at 423-775-2131 for authorization before making repairs.

This manual is also suitable for:

Suburban st-60
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