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SPECIAL FEATURES
Temperature Controlled Defrost
The 'CD30E' Dehumidifier unit can be fitted with temperature sensitive
devices which will operate in conjunction with the defrost control. In normal
operation the defrost control will come into operation every 55minutes, this is
to ensure that there will be no build up of ice at lower temperatures, but where
year round conditions need to be maintained the dehumidifier will have to
operate across a wider range of temperatures. To ensure that the
dehumidifier operates most efficiently this temperature sensitive device will
restrict the operation to the times when the evaporator coil is at –2ºC.
Heated Condensate Drainage Tube
The 'CD30E' dehumidifier unit can be fitted with a heater tape, which will run
the length of the condensate drainage tube. The effect of this heated
condensate drainage tube will ensure that when the drainage point for the unit
is not in the same room, but is run outside the room and could fall below
freezing point, the tube will be warm enough to still allow the condensate to
flow. Ensure that the heater tape does not protrude past the condensate
drainage tube, if it does then the tape should be doubled up and fed back up
into the condensate tube.
Control Humidistat
This humidistat operates in the same way as the normal humidistat to control
the on/off function of the dehumidifier units, but is factory pre-set at 55% RH
to maintain the relative humidity air at the set point.
Alarm Humidistat
This humidistat, which has been factory pre-set at 70% RH, allows for
connection to an external warning system. This warning indicating system will
be monitored by the customer and will warn and indicate when the relative
humidity of the air within the room has risen above a warning level due to a
fault, either with the dehumidifier or due to some other circumstances and will
require a service engineer.
NOTE RATING OF ALARM HUMIDISTAT IS 3.5A @ 240V
Alarm Wiring:
(Where Fitted)
Plug L – Normally open contacts
Plug N – Close on humidity rise
Plug E – Earth
Page 7 of 16
Drawing : - TPC137
Issue
: - 7
Date
: - 23/11/16
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