
Failure to do so could result in personal injury or property damage. Fan switch must be installed by a qualified person in accordance with the National Electrical Code, NFPA 70. This fan switch kit can be used on all 208, 240 and 277 Volt LUH/KUH heaters with single or 3 phase motors for fan only operation. See Model Number list on page 2. For all 480 Volt LUH/KUH heaters, the summer fan switch and relay option must be used (see PF481). INSTALLATION The kit comes complete with all necessary wiri