A.O. Smith BTH 120 - 250 - Manual
A.O. Smith BTH 120 - 250 – 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.
Table of Contents:
- Page 2 – TEMPERATURE RISE - DEGREES °F - GALLONS PER HOUR
- Page 3 – TABLE OF CONTENTS; FOREWORD
- Page 4 – FEATURES; IMPORTANT
- Page 5 – INSTALLATION INSTRUCTIONS; REQUIRED ABILITY; INSULATION BLANKETS; WARNING; WARNING
- Page 8 – DIRECT VENTING; DIRECT VENT TERMINAL INSTALLATION
- Page 10 – VERTICAL VENT TERMINAL INSTALLATION; INSTALLATION SEQUENCE
- Page 11 – CONTROLS AND SWITCHES; Table 2. VENT LENGTH TABLE
- Page 12 – GAS PIPING; CAUTION
- Page 13 – SYSTEM CONNECTIONS
- Page 14 – HEATER WIRING; WATER LINE CONNECTIONS
- Page 15 – OPERATION; SEQUENCE OF OPERATION; SELF DIAGNOSTIC CONTROLLER; GAS VALVE LED FLASHING; Possible Cause
- Page 18 – OPERATING INSTRUCTIONS
- Page 19 – FOR YOUR SAFETY READ BEFORE OPERATING; If you do not follow these instructions exactly, a fire or
- Page 20 – GENERAL INFORMATION; MAINTENANCE; TABLE 4
- Page 22 – DRAIN VALVE AND ACCESS PANELS; CIRCULATING PUMP
- Page 23 – DANGER; INSTALLATION DIAGRAMS; WITH OR WITHOUT BUILDING RECIRCULATION
- Page 24 – TWO TEMPERATURE - ONE HEATER HIGH TEMPERATURE
- Page 28 – MANIFOLD KITS; Space for the venting system and unit servicing must be added.
- Page 29 – CHECKLIST AND SERVICE INFORMATION; BURNER OPERATIONAL PROBLEMS
- Page 31 – Model BTH Limited Warranty
1
A DIVISION OF A.O. SMITH CORPORATION
Mc BEE, SOUTH CAROLINA
PLACE THESE INSTRUCTIONS ADJACENT TO HEATER AND
NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.
PRINTED IN U.S.A. 2570 1199
Part No. 194119-000
Supersedes P/Ns. 192968-000/193329-000/193311-000
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.
CYCLONE XHE
®
Model BTH 120 - 250
INSTALLATION OPERATION SERVICE MAINTENANCE LIMITED WARRANTY
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.
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Summary
2 Table 1. RECOVERY CAPACITIES - NATURAL GAS / L.P . ROUGH-IN -DIMENSIONS CYCLONE XHE BTH 120 - 250 Recovery capacities are based on heater performance at 94% thermal efficiency. TEMPERATURE RISE - DEGREES °F - GALLONS PER HOUR M o d e l BTU Approx. Input Gallon Capacity 30 40 50 60 70 80 90 100 110...
3 Water Line Connections .................................................................. 14 Heater Wiring .................................................................................. 14 OPERATION ......................................................................................... 15 Se...
4 Temperature Time to Produce 2nd & 3rd Setting Degree Burns on Adult Skin 180°F Nearly instantaneous 170°F Nearly instantaneous 160°F About 1/2 second 150°F About 1-1/2 seconds 140°F Less than 5 seconds 130°F About 30 seconds 120°F More than 5 minutes FIGURE 1 Valves for reducing point-of-use t...
