Thermolec AcuSteam User Manual download pdf (Page 2)

ACU-STEAM HUMIDISTAT, version A

Features

 State of Art digital RH sensor

 ROOM or DUCT mounting

 Reprogrammable Microcontroller

 Potentiometer Set-point setting

 Out-door temperature sensor for Set-point Reset

 Green (ON/OFF) and Red (warning) status LEDs

Speciﬁ cations

Set-point range. . . . . . . . . . . . . . . 20% to 50% Relative Humidity

Accuracy. . . . . . . . . . . . . . . . . . . . ±4.5%, without calibration

Linearity . . . . . . . . . . . . . . . . . . . . ±1% in the Set-point range

Differential % RH. . . . . . . . . . . . . ±2%

Outdoor Temp. Reset Range between -9 ˚F (-23 ˚C) to 27 ˚F (-3 ˚C)

Outdoor reset Temperature vs. Set point change

28 ˚F (-2 ˚C) and warmer No change

27 ˚F (-3 ˚C) to 23 ˚F (-5 ˚C) 42% max,

22 ˚F (-6 ˚C) to 18 ˚F (-8 ˚C) 38% max,

17 ˚F (-9 ˚C) to 12 ˚F (-11 ˚C) 34% max,

11 ˚F (-12 ˚C) to 5 ˚F (-15 ˚C) 30% max,

4 ˚F (-16 ˚C) to -2 ˚F (-19 ˚C) 26% max,

-3 ˚F (-20 ˚C) to -9 ˚F (-23 ˚C) 22% max,

-9 ˚F (-23˚C) and colder 20% max.

NOTE: these ranges can vary by ±2 %.

The Outdoor Temperature sets the maximum set point of RH internally.

If the Dial position is higher, the actual set point will be limited as above.

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Thermolec AcuSteam User Manual Page 2