ADDITIONAL OPTIONS FOR
4-6HP (10-14kW) DCI UNITS ONLY
1.4 FEATURE SET UP WITH DRY CONTACTS (OUTPUT)
1.4.1 Alarm
The alarm dry contacts is used to indicate a problem or any malefunction of the system.
An internal relay is used to close an external circuit which may include an external power supply. The external circuit should
include some kind of a load (lightening bulb, LED, etc).
When “Alarm” dry contact is open, alarm output will be activated when there is any ODU fault or protection.
Alarm output will turn off as soon as the fault is cleared.
Output specifications: Voltage – Max 24VAC/DC
Current – Max 3.0Amp
A wire of up to 1.5mm
2
is recommended to be used.
1.5 ACCESSORIES SET UP
1.5.1 BASE HEATER (BH)
Base Heater is an heating element designed to melt any ice that is accumulated
on the outdoor unit base during heating operation.
The unit will automatically detect the heater and operate unique operation logic to
ensure operation only at freeze time.
Output specifications: Voltage – Max 240VAC
Current – Max 1.0Amp
A wire of up to 1.5mm
2
is recommended to be used
1.5.2 CRANCK CASE HEATER (CCH)
Cranck Case Heater is an heating element designed to heat-up the compressor oil
cranck case during heating operation.
The unit will automatically detect the heater and operate unique operation logic to
ensure operation only at freeze time.
Output specifications: Voltage – Max 240VAC
Current – Max 1.0Amp
A wire of up to 1.5mm
2
is recommended to be used
Open – Alarm Signal
Shorted – Normal Operation
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