Repair of SHORT AT FACP ON NAC CIRCUIT N-5 PRINTS SHOW THAT THIS CIRCUIT GOES FROM STORAGE 010 ON 2ND FLOOR TO UNIT 115 LIVING TO 115 BEDROOM TO 114 LIVING TO 114 BEDROOM TO 112 LIVING TO 112 BEDROOM (EOL)- SEE ATTACHMENT HOWEVER, 112 BEDROOM IS NOT THE EOL. (THEY DID HAVE A RESISTOR INSTALLED HERE THOUGH- WHICH I REMOVED) WE DO NOT KNOW WHERE THE EOL IS FOR THIS CIRCUIT OR WHERE THE CIRCUIT GOES FROM HERE. UPON FIRST ATTEMPT AT TROUBLESHOOTING, I WIRED THROUGH 112 LIVING ROOM HORN AND THE SHORT CLEARED. HOWEVER, REPLACING THIS DEVICE DID NOT CLEAR THE TROUBLE. WILL NEED TO RETURN WITH 2 ALARM TECHS, FOR 4 HOURS TO TROUBLESHOOT FURTHER. SEND ERICA AND DAN CUSTOMER TO GIVE NOTICE OF ENTRY INTO ALL 1ST FLOOR UNITS CUSTOMER TO GIVE NOTICE TO ALL TENANTS OF ALARMS SOUNDING ROOM 114- BEDROOM: 27VDC, SHORT LIVING: 27VDC, SHORT ROOM 112- LIVING: NO VOLTAGE, SHORT BEDROOM: NO VOLTAGE, SHORT