Control System
EDMMT712101
56
VAM-HVE/HVLT Series
Control to Prevent High Humidity Outside Air from Entering by Using Humidity Sensor (Optional Accessory)
Purpose
•
Functions
This is a function to detect high humidity outside air and reduce ventilation rate (lower the notch) by adding an outdoor (OA) humidity
sensor.
Sufficient ventilation rate is ensured while protecting the product.
Use a deep hood when using this function.
Unit operation
Conditions
Outdoor (OA) humidity sensor detects humidity above 80%
Basic operation
Ultra high and High fan notch is changed to Low.
Low fan notch remains unchanged.
Control
OFF
ON
Fan notch
Ultra high
Low
High
Low
(Intermittent low notch: Disabled)
Low
(Intermittent low notch: Enabled)
Low
(Intermittent low notch: Enabled)
Operations during fresh-up operation
When the control is set to ON during fresh-up operation, the notch of both air supply and exhaust fans is changed to low and the fresh-
up operation stops.
Control
OFF
ON
Combination of fan
notches
Operation at ultra-high and high
Both change to low
(Fresh-up operation stops)
Operation at high and low
Essential optional accessory
Humidity sensor: BRYH242A100 (for OA)
Summary of Contents for VAM Series
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