231
JOHNSON CONTROLS
FORM 201.21-NM3 (616)
0 – 10 VDC Reset Input
A 0 VDC signal sets the current limit to the maximum
value. A 10 VDC signal sets the current limit to the
minimum value. The current limit is ramped linearly
between these limits as the input varies between 0 VDC
and 10 VDC. In order for this input to work properly,
the Remote Current Limit must be programmed for 0
– 10 VDC input (OPTIONS key) and Chiller Control
Board jumper JP5 placed in the “V” position.
2 – 10 VDC Reset Input
A 0 - 2 VDC signal sets the current limit to the maximum
value. A 10 VDC signal sets the current limit to the
minimum value. The current limit is ramped linearly
between these limits as the input varies between 2 VDC
and 10 VDC. In order for this input to work properly,
the Remote Current Limit must be programmed for 2
– 10 VDC input (OPTIONS key) and Chiller Control
Board jumper JP5 placed in the “V” position.
0 – 20 mA Reset Input
A 0 mA signal sets the current limit to the maximum
value. A 20 mA signal sets the current limit to the
minimum value. The current limit is ramped linearly
between these limits as the input varies between 0 mA
and 20 mA. In order for this input to work properly, the
Remote Current Limit must be programmed for 0 – 20
mA input (OPTIONS key) and Chiller Control Board
jumper JP5 placed in the “mA” position.
4 – 20 mA Reset Input
A 0 - 4 mA signal sets the current limit to the maximum
value. A 20 mA signal sets the current limit to the
minimum value. The current limit is ramped linearly
between these limits as the input varies between 4 mA
and 20 mA. In order for this input to work properly, the
Remote Current Limit must be programmed for 4 – 20
mA input (OPTIONS key) and Chiller Control Board
jumper JP5 placed in the “mA” position.
REMOTE CURRENT LIMIT RESET CONTROL (CON'T)
7
Summary of Contents for YCAV0267E
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Page 348: ...348 JOHNSON CONTROLS FORM 201 21 NM3 616 MAINTENANCE NOTES ...
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