Watts Benchmark Aerco OMM-0122 - Page 88

Benchmark 750-3000 Boiler Installation & Startup Manual
SECTION 5 – SAFETY DEVICE TESTING
OMM-0121_D • GF-205 • 5/9/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 88 of 122
Water Temperature Fault Test Instructions
Figure 5-5b: Temperature Limit Switch Location – BMK 750-1000
Digital Over-
Temperature
Limit Controller
Reset button for
Manual
Temperature Limit
Switch
Manual
Temperature
Limit Switch
Adjustable Temperature
Limit switch (auto-rest)