A.O. Smith 300A - Manual
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Table of Contents:
- Page 2 – FOREWORD; GAS VALVE PIPING
- Page 3 – DANGER; FEATURES; IMPORTANT; PERFORM THE INITIAL FIRING OF THE HEATER. AT THIS TIME; WATER TEMPERATURE CONTROL; TABLE OF CONTENTS
- Page 4 – QUICK INSTALLATION TIPS; Horizontal Sidewall Venting
- Page 5 – CAUTION; PROGRAMMING OPERATIONS.; DISHWASHING MACHINE REQUIREMENT
- Page 6 – CIRCULATING PUMP; INSTALLATION INSTRUCTIONS; REQUIRED ABILITY; LOCATING THE HEATER; WARNING
- Page 7 – UNDERSIZED; FAILURE AND RISK OF ASPHYXIATION.
- Page 8 – VENTING; THE INSTRUCTIONS IN THIS SECTION ON VENTING MUST
- Page 11 – NEVER OPERATE THE HEATER UNLESS IT IS VENTED TO THE; VENT PIPE TERMINATION; ARE USED. THIS PREVENTS ANY VIBRATIONS FROM BEING; DIRECT VENTING; REMOVED. THE INLET VENT PIPE MAY THEN BE GLUED TO; DIRECT VENT TERMINAL INSTALLATION; TERMINALS ARE PERMITTED.
- Page 12 – Vent terminals supplied with the heater must be used.; EXHAUST VENT TERMINAL; VERTICAL VENT TERMINAL INSTALLATION; INSTALLATION SEQUENCE
- Page 13 – THE OPTIONAL INTAKE VENTING ARRANGEMENT AND THE; Table 2. VENT LENGTH TABLE
- Page 14 – VENT PIPE PREPARATION; . INITIAL PREPARATION; PRIMER; S A F E T Y P R E C A U T I O N : P R I M E R S A N D C E M E N T S A R E; CONTROLS AND SWITCHES; BLOWER PROVER SWITCH; NOTE: LOW GAS SWITCH IS LOCATED ON INLET SIDE OF GAS
- Page 15 – HOT SURFACE IGNITER; GAS PIPING; CONNECTION OF GAS PIPE
- Page 16 – SHUTOFF VALVE FROM THE GAS SUPPLY PIPING SYSTEM; SYSTEM CONNECTIONS
- Page 17 – WATER (POTABLE) HEATING AND SPACE HEATING; NEVER; HEATER WIRING; DO NOT ENERGIZE THE BRANCH CIRCUIT BEFORE THE
- Page 18 – BTH 300 WIRING DIAGRAM
- Page 20 – OPERATION; SEQUENCE OF OPERATION; ELECTRONIC CONTROL; Overview; Operating Set Point; Operating States
- Page 21 – Adjusting the Operating Set Point; The
- Page 22 – Changing the Display Units; contrast of the LCD screen.; Fault and Warning Conditions; diagnostics information that can be used to correct the issue.; Example of a Warning:
- Page 23 – key, you can always return to the fault screen through
- Page 25 – to; PRIOR TO START UP - REQUIRED ABILITY; A PRESSURE RELIEF VALVE IS INSTALLED IN THE RELIEF VALVE
- Page 26 – FOR YOUR SAFETY READ BEFORE OPERATING
- Page 27 – SYSTEM SERVED BY THIS HEATER THAT HAS NOT BEEN; GENERAL INFORMATION; MAINTENANCE; GAS SUPPLY SPECIFICATIONS Nat. Gas LP Gas
- Page 29 – VENT SYSTEM
- Page 30 – INSTALLATION DIAGRAMS; WITH OR WITHOUT BUILDING RECIRCULATION
- Page 31 – TWO TEMPERATURE - ONE HEATER HIGH TEMPERATURE
- Page 32 – FOR MULTIPLE HEATER INSTALLATION SEE MANIFOLD KIT
- Page 34 – *PIPE RELIEF VALVE TO OPEN DRAIN
- Page 35 – MULTIPLE UNIT INSTALLATIONS; Space for the venting system and unit servicing must be added.
- Page 36 – CHECKLIST AND SERVICE INFORMATION; FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN; L A B E L A L L W I R E S P R I O R TO D I S C O N N E C T I O N W H E N; BURNER OPERATIONAL PROBLEMS; TROUBLESHOOTING
- Page 37 – NOTE: ANY BYPASS OR ALTERATION OF THE UNITS SAFETIES; MOTOR WILL NOT RUN
- Page 38 – Do not reach into the burner housing or combustion chamber if the; NOISY BURNER OPERATION
- Page 39 – Model BTH Limited Warranty
PLACE THESE INSTRUCTIONS ADJACENT TO HEATER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.
PRINTED 0307
97373-003
CYCLONE Xi
®
Model BTH 300A, 400A, 500A
COMMERCIAL GAS WATER HEATER
GAS-FIRED POWER BURNER
FOR DOMESTIC HOT WATER
Thank you for buying this energy efficient water heater from
A.O. Smith Water Products Company. We appreciate your
confidence in our products.
CAUTION
TEXT PRINTED OR OUTLINED IN RED CONTAINS
INFORMATION RELATIVE TO YOUR SAFETY. PLEASE
READ THOROUGHLY BEFORE INSTALLING AND USING
THIS APPLIANCE.
• INSTALLATION • OPERATION • SERVICE • MAINTENANCE • LIMITED WARRANTY
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:
• Do not try to light any appliance.
• Do not touch any electrical switch;
d o n o t u s e a n y p h o n e i n y o u r
building.
• Immediately call your gas supplier
from a neighbor's phone. Follow the
gas supplier's instructions.
• If you cannot reach your gas supplier,
call the fire department.
– I n s t a l l a t i o n a n d s e r v i c e m u s t b e
performed by a qualified installer,
service agency or the gas supplier.
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Summary
These designs comply with the current edition of the American N a t i o n a l S t a n d a r d f o r G a s Wa t e r H e a t e r s , Vo l u m e I I I , ANSI Z21.10.3 / CSA 4.3 as an automatic circulating tank water heater, and automatic storage water heaters. Detailed installation diagrams are found i...
3 DANGER THIS WATER HEATER IS EQUIPPED WITH AN ADJUSTABLE THERMOSTAT TO CONTROL WATER TEMPERATURE. HOT WATER TEMPERATURES REQUIRED FOR AUTOMATIC DISHWASHER AND LAUNDRY USE CAN CAUSE SCALD BURNS RESULTING IN SERIOUS PERSONAL INJURY AND/OR DEATH. THE TEMPERATURE AT WHICH INJURY OCCURS VARIES WITH THE ...
4 “AT A GLANCE” BTH 300/400/500 QUICK INSTALLATION TIPS Horizontal Sidewall Venting Vertical Roof top Venting
