MINI-MASTERZONE ZONING SYSTEM – 3 Zones ™ MMZ3 Installation and Operating Instructions Controlling Your Comfort Room by Room
MINI-MASTERZONE ZONING SYSTEM – 3 Zones ™ Features System Mode Indicator LED Power Indicator LED Fan Operation, Sensor and High Limit Jumpers Leaving Air Sensor Terminals Boot Button Zone Terminal Blocks for Zone Damper Motors and Zone Thermostats 24VAC Transformer Terminals Re-Settable Fuse HVAC Equipment Connections Zone Calling Indicators Table of Contents Installation ……………………………………………………….2 Operation ………………………………………………………..2-3 HVAC Equipment Set-Up…………..…………………….3 Checkout..
calling; close the damper(s) to those zones not calling, activate the needed HVAC controls for heating or cooling, whichever is being called and not accept any calls for the opposite mode. Any calls for the opposite mode will be locked out until the initial mode is either satisfied or a period of time has elapsed that is sufficient for the first mode to satisfy, a maximum of 20 minutes.
seconds and then release it will allow the micro-processor to re-boot and in most all cases eliminate the problem. If not the following procedure can help isolate the problem. WIRING DIAGRAM 2 – Single Stage Equipment OUTDOOR CONDENSING UNIT EQUIPMENT Y COMPRESSOR RELAY G FAN RELAY W HEAT RELAY R 24V.
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