15
NOTE:
A 115 VAC pump or solenoid must be used when
operating at 115 VAC and a 230 VAC pump or solenoid
must be used when operating at 230 VAC.
This 18” (46cm) hard wired cable provides the input/output
interconnect between the Controller and the Humidity
Sensor. The sensor end is fitted with a flat, 4-pin female
receptacle with the following pin-out configuration:
Pin-1
Temp Signal In (0-5V)
Pin-2 Power
(2-5.5VDC)
Pin-3
RH Out (0-5V)
Pin-4 Ground
The Control unit is housed in a flame resistant Noryl, SE1
GFN1 housing that conforms to the dimensional standard
DIN 43700. The case measures 3.78”Wx3.78”Hx3.35”D
(96x96x85mm). To install the control module into a panel a
3.62”x3.62” (92x92mm) cutout and the optional panel mount
kit are required.
3.2.1.2 Model 5461 Dehumidification System
The Model 5461 Dehumidification System can reduce the
relative humidity level in the Model 5503 Chamber to less
than 10% RH. Calcium Sulfate; however, is capable of
reducing the humidity to <5%RH, but mechanical
considerations of the chamber, load and operating system
limit the specified lower limit to <10% RH.
This Dehumidification System utilizes a pump to draw air
from the chamber and circulate it through a plastic cylinder
that contains Calcium Sulfate. The desiccant absorbs any
moisture that is in the air. This dried air is then forced back
into the chamber. The Calcium Sulfate contains an indicator
that turns the normally blue colored desiccant pink as it
absorbs moisture. When the entire cylinder turns pink, the
desiccant must either be replaced or renewed by removing it
from the column and placing in an oven at 400
°
F (200
°
C) for
one (1) hour.
The complete Model 5461 Dehumidification System consists
of a desiccant column containing 1 lb (.45kg) of renewable,
calcium sulfate (CaSO
4
) desiccant, a 0.6cfm pump, and 12’
(4m) of 5/16” (8mm) ID of flexible plastic tubing for
connecting the pump, desiccator and chamber together.
The desiccant can be renewed approximately ten (10) times
before having to be replaced. The granules should be
