Westinghouse WBRCNG140F Installation Manual Page 6
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- Table of contents
- TROUBLESHOOTING
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WHL-015 REV. 12.17.14
C. START-UP SEQUENCE .......................................................................................................................................................... 40
D. CHANGING THE DHW SET-POINT ........................................................................................................................................ 41
E. CHANGING THE TEMPERATURE INDICATOR ..................................................................................................................... 41
F. CHANGING THE CH SET-POINT ............................................................................................................................................ 41
G. STORAGE MODE .................................................................................................................................................................... 42
H. STATUS DISPLAY MODE ....................................................................................................................................................... 42
I. INSTALLER MODE .................................................................................................................................................................... 43
J. ERROR MODE ......................................................................................................................................................................... 45
K. ERROR TREE ANALYSIS ........................................................................................................................................................ 48
1. FLAME DETECTION ................................................................................................................................................................... 48
2. GAS DETECTION ....................................................................................................................................................................... 48
3. APS / BURNER OVERHEAT LIMIT / CONDENSATE BLOCK SWITCH ................................................................................... 49
4. STORAGE / DHW / OP / CH OVERHEAT / EXHAUST OVERHEAT SENSORS ....................................................................... 49
L. OUTDOOR TEMPERATURE MODE (OPTIONAL)................................................................................................................... 49
M. 0-10 VOLT INPUT .................................................................................................................................................................... 50
PART 11 – START-UP PREPARATION.................................................................................................................................... 51
A. CHECK / CONTROL WATER CHEMISTRY ............................................................................................................................. 51
B. CHECK FOR GAS LEAKS ....................................................................................................................................................... 51
C. FILL AND TEST WATER SYSTEM .......................................................................................................................................... 52
D. PURGE AIR FROM CH AND INTERNAL STORAGE TANK .................................................................................................... 53
E. PURGE AIR FROM DHW SYSTEM ......................................................................................................................................... 53
F. CHECK THERMOSTAT CIRCUIT(S) ....................................................................................................................................... 53
G. CONDENSATE REMOVAL ...................................................................................................................................................... 54
H. FINAL CHECKS BEFORE STARTING APPLIANCE................................................................................................................ 54
I. ADJUSTING GAS PRESSURE AT THE APPLIANCE ............................................................................................................... 54
J. SETTING AND VERIFYING THE COMBUSTION SETTING .................................................................................................... 55
PART 12 –INSTALLATION AND START-UP CHECKLIST ...................................................................................................... 56
PART 13 – TROUBLESHOOTING ............................................................................................................................................ 57
PART 14 – ANNUAL MAINTENANCE PROCEDURES ............................................................................................................ 58
REPLACEMENT PARTS ................................................................................................................................................................ 63
Limited Warranty for Combination Appliances ........................................................................................................................... 66
MAINTENANCE REPORT .............................................................................................................................................................. 68
MAINTENANCE NOTES ................................................................................................................................................................. 72
CUSTOMER INSTALLATION RECORD FORM ............................................................................................................................. 73
- Gas Fired 1
- Residential 1
- Combi Boiler 1
- FOREWORD 4
- FOR THE INSTALLER 4
- TABLE OF CONTENTS 4
- PART 2 – SAFETY REGULATIONS 8
- B. IMPROPER COMBUSTION 9
- E. WATER QUALITY 10
- F. FREEZE PROTECTION 10
- A. UNCRATING THE APPLIANCE 13
- C. LEVELING 15
- PART 5 – VENTING 18
- B. APPROVED VENT MATERIALS 20
- E. VENT TERMINATION 22
- SAFETY INSTRUCTIONS 23
- PART 7 – GAS PIPING 25
- PART 8 – WATER PIPING 27
- B. DHW PIPING 28
- D. CIRCULATOR SIZING 32
- E. PRESSURE RELIEF VALVE 33
- B. WIRING INFORMATION 34
- C. DIP SWITCHES 35
- Figure 25 – Ladder Diagram 37
- A. CONTROL PANEL 40
- B. LCD DISPLAY DESCRIPTIONS 40
- C. START-UP SEQUENCE 40
- F. CHANGING THE CH SET-POINT 41
- G. STORAGE MODE 42
- H. STATUS DISPLAY MODE 42
- I. INSTALLER MODE 43
- J. ERROR MODE 45
- K. ERROR TREE ANALYSIS 48
- M. 0-10 VOLT INPUT 50
- B. CHECK FOR GAS LEAKS 51
- WHAT TO DO IF YOU SMELL GAS 52
- E. PURGE AIR FROM DHW SYSTEM 53
- G. CONDENSATE REMOVAL 54
- PART 13 – TROUBLESHOOTING 57
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