yo HIGH TEMPERATURE CONTROL i. INSTALLATION INSTRUCTIONS For Use With: Whole House Ventilators 20”, 24”, 30" Direct Drive 30”, 36” Belt Drive WARNING ALL ELECTRICAL CONNECTIONS MUST BE IN £16. 1 ACCORDANCE WITH LOCAL CODES, ORDINANCES, . OR NATIONAL ELECTRICAL CODE, (F YOU ARE UNFAMILIAR WITH METHODS OF INSTALLING ELECTRICAL WIRING, SECURE THE SERVICES OF A QUALIFIED ELECTRICIAN, CAUTION DO NOT COVER HIGH TEMPERATURE CONTROL WITH INSULATION. 1. TURN OFF POWER AT SERVICE ENTRANCE BEFORE WIRING CONTROL. 2.