Lennox MPC012S4S-1L User Manual

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12. Master Valves (3 to 5 Zone Outdoor Units)
• 3-zone, 4-zone and 5-zone (not 2-zone)
multi-zone units have a master valve on each
refrigerant line.
• The master valve controls refrigerant to all of
the zone-supply valves.
• Open the master valves prior to opening the
zone-supply valves.
Liquid Line
Master Valve
Vapor Line
Master Valve

Lennox MPC012S4S-1L Specifications

General

Brand	Lennox
Model	MPC012S4S-1L
Category	Air Conditioner
Language	English