Mydax, Inc.
1M150W
Water Cooled Chiller
Designed for Lockheed Martin
8
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.
DISPLAY:
Shows the actual Output Temperature and Setpoint Temperature in
°
C. Also indicates that
the local SET TEMPERATURE MODE can be enabled. Additionally, the recirculation flow
rate is displayed in gallons-per-minute (Gpm), as well as the water resistivity.
START:
Starts compressor and pump and turns on LED's.
STOP:
Stops both the compressor and pump.
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 optional RS-232C remote control mode, when present, and Local Set
mode.
Tank --- MYDAX --- Local Set
21.50°C 40.0 Gpm 400K
Ω
25.0°C
