Aerco Benchmark 2000 - Page 77

Benchmark 1500 - 2000 Boilers
CHAPTER 6 – SAFETY DEVICE TESTING
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Water Temperature Fault Test – Continued
7. Reset the adjustable Over-Temperature switch to its original setting.
8. The unit should start once the adjustable Temperature Limit switch setting is above the
actual outlet water temperature.
Figure 6-2: Temperature Limit Switch Location
ADJUSTABLE
TEMPERATURE
LIMIT SWITCH
MANUAL
SWITCH
RESET
BUTTON
OVER
TEMPERATURE
LIMIT DIGITAL
CONTROLLER
MANUAL
TEMPERATURE
LIMIT SWITCH