Toshiba Carrier TCB-IFDMR01UP-UL Guide page 14

TCB-IFDMR01UP-UL
(Terminal block with relay)
Shield wire MAX. 656'2" (200 m)
Al3
Input
0 - 10 V
Al3
Input Name
AI3 Analogue Input Capacity Control
Analog Input 1 (DC 0 - 10 V)
SW501 Bit-4(MCC-1777) OFF
SW501 Bit-4(MCC-1777) ON
• To ease the integration of the Dx-coil with the DDC the capacity control is able to operate with
a STEPPED or LINEAR function from the analogue input.
• To select either a STEPPED(default) or LINEAR response, from the analogue input, use
SW501 Bit4 located on the DDC(0-10 V) interface P.C. Board (MCC-1777)
AI4 Nothing
Analog Input 2 (DC 0 - 10 V)
• Capacity control signal(analogue input voltage) will be used as the main control value for the compressor frequency.
• The control of capacity may not be able to be performed according to the state of an air-conditioner
(During oil recovercontrol, defrost etc.).
Locally procured
0 - 10 V Signal (+)
GND (-)
Analogue Input to Capacity control.
STEPPED response to analogue input
LINEAR response to analogue input
Cannot be used.
– 12 –
✓ : Available
Description
✕ : Prohibition
TA DDC TF
✕ ✓ ✕
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