Supply air temperature sensor alarm (20), Return air temperature sensor alarm (21), Outdoor air temperature sensor alarm (22) – York ECO2 YPAL 050 User Manual
Page 165: Dirty filter switch alarm (23), Supply fan air proving switch (24), Supply fan air proving switch closed alarm (25), Microelectronics failure alarm (26), Microelectronics failure alarm (27), Supply fan overload alarm (28)
Supply air temperature sensor alarm (20), Return air temperature sensor alarm (21), Outdoor air temperature sensor alarm (22) | Dirty filter switch alarm (23), Supply fan air proving switch (24), Supply fan air proving switch closed alarm (25), Microelectronics failure alarm (26), Microelectronics failure alarm (27), Supply fan overload alarm (28) | York ECO2 YPAL 050 User Manual | Page 165 / 168 This manual is related to the following products: