1.4.3.4 Safety and Ignition Module (SIM) Menu
The SIM reports sensor readings and information on the status bar. In the controller's SIM
menu, you can:
View Status - Provides an overview of the burner, gas valve, ignitor and venting.
Perform a Hi-Limit Test - Test the maximum supply cutoff temperature on the boiler. If
the SIM detects a high limit temperature, the boiler enters a lockout state. For
instructions, see Testing the Hi-limit temperature function on page 62.
Perform a Module Reset - Lockouts are typically 5 minutes, depending on the ignition
error. Use the Module Reset function to clear a lockout quickly. For instructions, see
Resetting a boiler after a SIM module ignition lockout on page 85.
Perform a LWCO Test - Test the low water cutoff to protect against low water in a boiler.
If the SIM detects low water, the boiler enters a lockout state. For instructions, see
Testing the low water cutoff (LWCO) function on page 62.
Figure 4 Comparing SIM modules
Note
The SIM+ module is installed in SL 85, 115, 160 and 199 G3 boilers as well as in the
VX boilers while the SIM module is installed in the SL 260 G3, SL 399 G3, and EX
series of boilers.
Section: Introduction and overview of the features in the V10 controller
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