LiftMaster LA400 LA400 Manual - Page 28

WIRING » CONNECT TRANSFORMER TO CONTROL BOARD CONNECT TRANSFORMER TO CONTROL BOARD NOTE: All power wiring should be on a dedicated circuit, calculated using NEC guidelines. Local codes and conditions must be reviewed for suitability of wire installation. EXTERNAL RECEPTACLE 1 The transformer can be plugged into a receptacle external to the control box. 2 Run low voltage wire between the transformer and control box. NOTE: The transformer must be located in a dry location that is protected from weather conditions, such as inside the house or garage. This will create more space in the standard control box for accessories. Control Box KtDpTPiMmlheEoaidEyseneoPoieswntnvtCirtttliLiehhrIaanEtenonncAusggjchtRauemiplt!GdeirursGriysoaeaaftrrnoteteuorwaoesmv.rapeereaChnsDryeiiacnaptmelgeean.aosrtahvottCeeehnaglaeytanutatenrsayonerce Operator 2 1 Dedicated Outlet Transformer OR INTERNAL RECEPTACLE 1 Connect 120 Vac directly to the control box and plug the transformer into the receptacle inside the control box. Control Box 1 Transformer Circuit Panel Refer. Bus 1, 2, 3 Conference Rm 2, 3 Conference Room 1 Conference Room 2 Comp. Serve 2 Air (2) Conditioner Comp. Serve 1 Off Off Off Off Off Off On On On On On On On On Off Off Off Off Off Off Off Off Air (1) Conditioner Main Room LA400 Bathroon. Eug. Dept. Manu. 1 Rm Main Dept. Manu. 2 Rm 27