Error Tree Analysis; Flame Detection; Air Pressure Switch / Burner Overheat Limit / Condensate Block Switch; Dhw / Operating Temperature / Ch Overheat / Exhaust Sensors - Westinghouse WBRC 140 Series Installation, Start-Up, Maintenance, Parts, Warranty

Gas fired residential floor and wall mount combi boilers
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B. Error Tree Analysis

1. Flame Detection

Figure 50 - Flame Detection Error Analysis Tree

2. Air Pressure Switch / Burner Overheat Limit / Condensate Block Switch

Figure 51 - APS / Burner Overheat Limit / Condensate Block Switch Error Analysis Tree

3. DHW / Operating Temperature / CH Overheat / Exhaust Sensors

Figure 52 - DHW / Operating Temperature / CH Overheat / Exhaust Sensors Error Analysis Tree
whl-648 Rev. 001 Rel. 003 Date 10.8.19

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