Emerson PFH020A-L, User Manual

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Microprocessor Control
Liebert
®
Mini-Mate2
™
46
Equipment Options Switches
Equipment options are selected and enabled using DIP switches 1 through 7. These are located on the
control board near TB1. These switches are factory-set and should not require any user changes. The
setting and function of the switches can be individually read on the LCD.)
6.1.15 Run Diagnostics (Available On Rev 1.001.0)
By selecting Run Diagnostics, maintenance personnel can check system inputs, outputs and conduct a
test of the microcontroller circuit board from the wall box control. A review of the system inputs and
the microcontroller test can be done without interrupting normal operation.
Show Inputs
With the unit on and the fan running, the input states may be displayed for the following devices:
• High Water Alarm-Normally off unless High Water Alarm is active.
• High Head Pressure Alarm-Normally off unless High Head Pressure Alarm is active.
• Custom alarm #1-Normally off unless this special customer selectable alarm is active.
• Custom alarm #2-Normally off unless this special customer selectable alarm is active.
• Power-Normally on unless unit is turned off through the wall box or any of the following optional
devices: high temperature sensor, smoke detector, High Water Alarm or Remote Shutdown.
NOTE
In order to update the DIP switch settings, power must be cycled Off, then On, from the unit
disconnect switch.
Table 20 Equipment switch settings (unit control board)
Switch OFF Position ON Position
1 Compressor Chill Water
2 Staged Reheat SCR Reheat
3 Not Used-Must remain in OFF position
4 Not Used-Must remain in OFF position
5 Enable Reheat Disable Reheat
6 Enable Humidifier Disable Humidifier
7 Enable Dehumidifier Disable Dehumidifier
8 Electric Reheat Gas Reheat
Table 21 Switch settings (wall box board)
Switch OFF Position ON Position
1 Disable Beeper Enable Beeper
2 Not Used-Must remain in OFF position
3 Not Used-Must remain in OFF position
4 Not Used-Must remain in OFF position
5 Not Used-Must remain in OFF position
6 Not Used-Must remain in OFF position
7 Disable Setback Enable Setback
8 Enable Password Disable Password