Specifications

36
installation & Maintenance Manual
E. Location of detecting points and their voltage
3.18K/21K/24K series
Temperature
Resistance value
Indoor electrical control board
Characteristics of resistors RT11 and RT12
-
+
DC12V
DC12V
DC5V
+
-
Input power supply
AC220V/240V
Fuse AC250V/5A
Emergency switch
Stepping motor
Room temperature thermistor
Pipe-temperature
thermistor
Remove frost
thermistor
VII.Troubleshooting