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BTR 119 SERIES
A.O. Smith BTR 119 SERIES User Manual
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COMMERCIAL
GAS HIGH EFFICIENCY
W
A
TER HEA
TERS
Service Handbook
PRINTED IN THE U
.
S
.A.
1016
100277701_2000536453_Rev A
500 T
ennessee W
altz Parkway
Ashland City
, TN 37015
FOR MODEL
S:
BTR 120 thru 400(A) Series 1
18 & 1
19
INST
ALLA
TION CONSIDERA
TIONS - PRE SERVICE CHECKS -
CONSTRUCTION - OPERA
TION & SER
VICE - TROUBLESHOOTING
SERVICING SHOULD ONL
Y BE PERFORMED BY
A
QUALIFIED SERVICE TECHNICIAN
2
Table of Contents
Table of Contents
2
Introduction
3
Qualifications
3
Service Warning
3
Service Reminder
3
Tools Recommended
3
Installation Considerations
4
Instruction Manual
4
Closed Water Systems
4
Thermal Expansion
4
Air Requirements
4
Contaminated Air
4
Venting
5
Power Vent Kits for Sidewall Venting
6
Gas Supply Systems
7
Supply Gas Regulator
7
Gas Piping
8
Features and Components
10
The Eliminator (Self-Cleaning System)
10
Automatic Flue Damper
10
Uncrating
10
Gas Pressure Specifications
11
White Rodgers Integrated Temperature Control-High Limit Switch
12
Electronic Ignition Control/ Ignition Module
13
Sequence of Operation Flow Chart
14
Troubleshooting Checklist
15
Fault and Warning Codes - Continued
17
Step 1. Troubleshooting the BTR Water Heaters
17
EFFIKAL RVGP-KSF-Series Flue Damper Troubleshooting Guide
19
Step 2: Test for 24Vac between Black and Orange on Damper PC Board
20
Step 4: Test for 24VAC between Black and Yellow on Damper PC Board
22
Step 5: Wire Harness Test
22
Step 6: IID Module Test (Power to the Pilot Valve)
23
Step 7: Pilot Spark Test
24
Step 8: Flame Rectification
25
Step 9: IID Module Test
26
Step 10: Main Burner Test
27
Wiring Diagram - Btr 118/119 Series
28
Wiring Diagram - Btr 118/119 Series Controls
29
Notes
30
4
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A.O. Smith BTR 119 SERIES Specifications
General
Brand
A.O. Smith
Model
BTR 119 SERIES
Category
Water Heater
Language
English
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