40-400a (480/600vac), 3-position contactor based transfer switch (40 pages)
Summary of Contents for Generac Power Systems 006873
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Owner’s/Installation Manual Smart Management Module (SMM) 000922 MODEL: 006873 DATE PURCHASED:______________ WARNING This product is not intended to be used in a critical life support application. Failure to adhere to this warning could result in death or serious injury. (000209a) WWW.GENERAC.COM...
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WARNING California Proposition 65. Engine exhaust and some of its constituents are known to the state of California to cause cancer, birth defects, and other reproductive harm. (000004) WARNING California Proposition 65. This product contains or emits chemicals known to the state of California to cause cancer, birth defects, and other reproductive harm.
Section 1: Introduction and Safety Section 1: Introduction and Safety Introduction DANGER Thank you for purchasing a Generac Smart Management Indicates a hazardous situation which, if not avoided, Module. The Smart Management Modules (SMM) are designed to work together to prevent the home standby will result in death or serious injury.
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Section 1: Introduction and Safety This page intentionally left blank. Owner’s/Installation Manual for SMM...
Section 2: General Information and Setup Section 2: General Information and Setup Load Management Options NOTE: For digital thermostats where a 24 VAC thermostat wire is not available, an SMM must be used to Load management systems are designed to work break the power at the HVAC load itself.
Section 2: General Information and Setup Know Your Smart Management 0 GROUND Module and Carton Contents 194 +12V Priority Dial (A) – Sets module priority. 23 TRANSFER NEUTRAL NOTE: PRIORITY MUST BE DIFFERENT for each module in an installation. Priority sets the order in A/C 1 which loads recover from a load shed event.
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Section 2: General Information and Setup Table 2-2. Lockout Switch Settings Lockout Switch Mode Function Position GENERATOR Power is NOT available on module output (contactor output). Contactor is OPEN. UTILITY Power is available on module output (contactor output). Contactor is CLOSED. GENERATOR Module operates with standard load shed logic.
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Section 2: General Information and Setup Figure 2-4. SMM Sequence of Operations Owner’s/Installation Manual for SMM...
Section 3: Installation, Tests and Troubleshooting Section 3: Installation, Tests and Troubleshooting Electrical Specifications DANGER Electrocution. Turn utility and emergency Input Voltage 240 VAC power supplies to OFF before connecting Current Rating 50A resistive, 40A inductive power source and load lines. Failure to do so will result in death or serious injury.
Section 3: Installation, Tests and Troubleshooting DANGER Electrocution. Turn utility and emergency power supplies to OFF before connecting power source and load lines. Failure to do so will result in death or serious injury. (000116) Turn both UTILITY (NORMAL) EMERGENCY (STANDBY) power supplies before connecting power source and load lines to transfer switch and SMM.
Section 3: Installation, Tests and Troubleshooting An example configuration is shown below. Configurations Once load shed occurs, LED will flash at one will vary depending on customer prioritization of loads: second intervals. Allow time for each module to enable contactor output per priority setting.
Section 3: Installation, Tests and Troubleshooting Troubleshooting Table 4 for troubleshooting problems, causes and corrections. Table 4. Troubleshooting Problem Cause Correction Load not powered, LED is OFF Circuit Breaker disabled. Enable Circuit Breaker Load not powered, LED is OFF MLCB disabled and generator OFF. Enable MLCB if utility is present or verify generator operation if outage.
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