Thermolec AcuSteam - Manual (Page 27)

Page 25
CONTRACT
OR
19. Installing and Connecting to a Humidistat
19.1 See wiring diagrams in section 21 for proper connection. When using an ACU-STEAM electronic
humidistat with outdoor sensor please refer to the instructions included with the humidistat (see page 4,
sections 4.1 through 4.5 explain the functions of the Acu-Steam wall and duct humidistats). If you decide to use
a standard mechanical humidistat by others, connect the mechanical humidistat between the terminals marked
GND (ground) & IN (input) on the humidifi er electronic board.