Honeywell - MM-3

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Contents

Honeywell MM 3 MASTERTROL MINI Z0NE 3 SCHEMATIC The Mastertrol Mini Zone 3 Zone Controi Panel Modei MM 3 controls up to 3 zones on any single stage heating and cooling system Each zone is con trolled by a thermostat which operates a motorized damper in the it s zone duct to control the flow of conditioned air to the zone Up to 2 dampers may be wired to a single zone When 3 or more dampers are required a Slave Damper Control Relay Model SDCR is required The Zone 1 Thermostat requires a manual changeover subbase with O and B terminals The O terminal must make with R when the subbase is switched to the COOL Mode The B terminal must make with R when the subbase is switched to the HEAT Mode When the Zone 1 Subbase ...