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FireLite SLC Wiring Manual — P/N 51309:R3  7/29/2019
Monitor Modules Installation
5.1.3  Dual Monitor Module
MDF-300 Module
The MDF-300 is similar to the MMF-300 but provides for two independent 2-wire IDCs at two separate, consecutive addresses. 
5.1.4  Mini Monitor Module
MMF-301 Monitor Module
The MMF-301 is functionally and electrically identical to an MMF-300, but is offered in a smaller package for mounting directly in the 
electrical box of the Class B device being monitored. 
5.2  Installation
When installing any of these modules DO NOT mix the following services that the IDC provides:
• Fire alarm service
• Automatic and manual waterflow alarm service with normally open contact devices
• Sprinkler supervision with normally open contact devices
fmmtph.wmf
Rotary 
Switches
SLC–
SLC+
 9 H–
 8 H+
 7L+
 6L–
Address +1 
{
Base Address 
{
Areas used to record the device
address and SLC number.
Figure 5.5  MDF-300 Dual Monitor Module
FMM-101.wmf
Label – Use to record 
the device address and 
SLC number.
Rotary Switches
IDC (+)
IDC (-)
SLC (+)
SLC (-)
Figure 5.6  MMF-301 Mini Monitor Module