MYDAX 1M9W-S, Инструкция по эксплуатации и техническому обслуживанию

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Mydax, Inc. 1M9W-S Water Cooled Chiller
Lawrence Berkeley Laboratory 5
FRONT PANEL CONTROLS
All Mydax chillers are controlled by a microprocessor which is accessed via the system control panel. System controls
are simple, yet powerful and in concert with built-in diagnostics and error messages, are exceptionally comprehensive.
POWER LED: Indicates unit is powered (the circuit breaker is set).
RESET: Must be pressed prior to system start-up to energize the interlock loop.
START: Starts compressor and pump and turns on LED's. Once the start-up routine is complete the
display changes to the MAIN DISPLAY:
Shows the actual Output Temperature and Setpoint Temperature in °C. Also indicates that
the local SET TEMPERATURE MODE can be enabled.
STOP: Stops both the compressor and pump and blanks the display.
MUTE ALARM: May be used to deactivate audible alarm for 10 minutes, leaving alarm LED on. Pressing the
CLEAR key reactivates the alarm, which sounds until the fault condition is eliminated or the
MUTE ALARM switch is depressed again. Pressing MUTE ALARM when no alarm is
active causes the alarm to sound once and the TEST ALARM display to appear.
SET:
Enables SET TEMPERATURE MODE. SET MODE is disabled from panel if an alarm is
active or if the unit is in REMOTE. To set, depress:
SET: "Set Mode" appears at the right of the display. Cursor flashes at
"units" digit of the temperature display.
ARROWS KEYS: Changes temperature setting in one degree increments unless "."
(decimal) key is depressed.
"." (DECIMAL): Moves cursor to the "tenths" digit of the temperature display and
causes arrow keys to change setting in tenths of a degree.
KEYPAD: Changes temperature setting by entering numbers directly.
CLEAR: Erases an incorrect entry.
ENTER: Selects temperature setting and deselects SET mode.
TEST: Initiates Test Mode. See description under DIAGNOSTIC DISPLAYS section of this manual.
ENTER: Enters temperature selections while in the SET mode.
CLEAR: Erases incorrect temperature selections; exits Test Mode; clears Mute Alarm selection.
MODE: Toggles between the RS-232C remote control mode and Local Set mode.
ARROW KEYS: Changes temperature setpoint by 0.1° or 1°C increments/decrements; toggles tank
Output --- MYDAX --- Local Set
20.02°C 20.0°C