Lennox M0STAT120N-1 Installation And User Information page 7

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Wired Controller
Figure 6. Cable Connection for MMA
Air Handlers
Figure 6 shows one controller wired to an
indoor unit. The HA and HB terminals on the
controller connects to the HA and HB terminals
on the indoor unit.
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Wired Controller 1
Figure 7. Cable Connection for MMA
Air Handlers (Two Controllers)
Figure 7 shows two controllers wired to one
unit. The wired controllers connect to the unit's
HA and HB ports via the HA and HB port on the
controller. The Dual Control function enables
Indoor Unit
Indoor Unit
HA HB
1
Wired Controller 2
two controllers to issue commands to the
indoor unit.
HA HB
Battery Installation
Install the provided Lithium CR3032 battery
into battery slot.
Figure 8. Cable Assembly Connections
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Insert Battery with
postive side in up
position