York STYLE A YCWS, Руководство пользователя

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6 YORK INTERNATIONAL
override for servicing.
Print - Operating data or system fault shutdown history
for last six faults. Printouts through an RS-232 port via a
separate printer (by others).
Program -
• Low leaving liquid temperature cutout, 300 to 600
second anti-recycle timer, lag compressor start time
delay, and average motor current unload point. Liq-
uid temperature setpoint reset signal from YORK ISN
or building automation system (by others) via:
• Pulse width modulated (PWM) input for up to 40°F
(22°C) total reset as standard.
• Optional Building Automation System interface input
card for up to 20°F (11.1°C) reset using a: 4 to 20
mA, 0 to 10 Vdc input, or discrete reset input.
• NOTE: The Standard MicroPanel can be directly con-
nected to a YORK ISN Building Automation System
Specifications
(Continued)
via the standard onboard RS485 communication port.
This Option also provides open system compatibility
with other communications networks (BACnet™ &
LONMARK™ via interface through standard onboard
485 or 232 port and an external YorkTalk Translator.
• Additional functions (password protected) for program-
ming by a qualified service technician:
Cutouts for low suction pressure, high discharge
pressure, high oil temperature.
Refrigerant type.
High discharge pressure unload setpoint.
Compressor motor current percent limit.