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9 Technical specifications
Single compressor board
Power source: 24Vac +10% -15% at 50/60Hz, protected with a fuse located on the board (250Vac, 2A delayed).
Number of cards
1 compressor
1+2 compr.s
1 compr. + terminal
1+2 compr.s + terminal
1 compr. +2 terminals
1+2 compr.s +2 terminals
Analog inputs
•
no.3 (B1/B2 and B3) selectable to accept either Carel NTC probes (range-40°C/+90°C) or ON/OFF contacts
•
no.2 (B4 and B5) selectable to accept either Carel NTC probes or 4÷20mA pressure transducers.
Digital inputs
•
no.7 (on single compressor board) + no.4 (on expansion board) optoinsulated at 24Vac, with "Normally Close" logic
(alarm detected when input found open). The power supply must be different from the one of the controller to get a real
optoinsulation.
Analog outputs
•
no.1 (on single compressor board) + no.1 (on expansion board) for managing the fan speed board; pulse width
modulation signal (PWM).
Digital outputs
•
no.5 (on single compressor board) + no.3 (on expansion board); no.3 of them (reversing valve circuit 1 and 2 and alarm
relay) with double terminal, the others with "Normally Open" logic.
Switching power: 10 A res. at 250V (AC3 class, with cos ϕ = 0.7 maximum load of 1/3 HP)
•
Technical specifications
Working temperature:
Storage temperature:
Working humidity:
Storage humidity:
Limits of surface temp.:
Mounting:
Protection index:
Environmental pollution:
Terminal for panel mounting
Technical specifications
Power supply:
Connections:
Maximum distance:
Working temperature:
Storage temperature:
Working humidity:
Storage humidity:
Limits of surface temp.:
Max number:
Mounting:
Protection index:
Environmental pollution:
RG66000889-REV.OO
-10T65°C
-20T70°C
90%rH (not condensing)
like operating humidity
like operating temperature
in electrical panel with metallic mounting hardware connected to earth (minimum distance from any
surrounding element=10mm)
PCB (installator's care)
normal
from the single compressor main board
via 8-way telephone cable
3m from the single compressor main board
-10÷65°C
-20÷70°C
90%rH (not condensing)
like operating humidity
like operating temperature
2
panel-mounted through plastic clips supplied with the unit
IP55
normal
36
Min. power supply required
17VA
25VA
19VA
27VA
22VA
30VA
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