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Dip Switch S1 Settings
(Dip Switch S1 only needs to be set if any of the optional sensors have been installed, or
when setting operational parameters (see Figure 4 page 17 for Dip switch location).
NOTE:
All dip switches must be set to the “off” “ position unless one or more of the fol lowing
options are installed.
Dip switch S1 Security Lock
Dip switch S1 - position 4 “OFF” activates SECURITY LOCK. The SECURITY LOCK prevents
unauthorized access to the purge unit’s operational parameters by locking out the following
keypad switches: CLEAR LOGs and SETTINGS.
Dip switch S1 Canister Alarm
Dip switch S1 - position 6 “ON” activates the emission collection canister saturation alarm.
(when option is Installed)
Dip switch S1 Canister Alarm
(Purge Lock-Out Option)
.
Dip switch S1 -position 3 “ON” activates the “Canister is Full Alarm” (when the emission
collection canister is installed)
When using this setting purge operation will cease when
Canister Full alarm occurs.
Dip switch S1 Evaporator Pressure Pre-Alarm
Dip switch S1- position 7 “ON” activates the chiller Evaporation Pressure Pre -Alarm Optional -
Sensor PS1 detects when the chiller evaporator pressure has exceeded pre -set maximum
limit. (when Installed)
Dip switch S1 Condensing Temperature Option
Dip switch S1 - position 8 “ON” activates the chiller Condensing Temperature Option - Sensor
TS3 monitors chiller condensing temperature. (when Installed)
Microprocessor Overview
Introduction
The purge unit controller utilizes a Microprocessor to control all aspects of purge operat ion
including self diagnostics. It also tracks, measures, stores and displays all operational data
needed to manage chiller noncondensables. The following is an overview of the
microprocessors features and functions.
Summary of Contents for Redi-Purge PRG-113-C3
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