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microKool Portable Chillers UGH004/0999
3-8 INSTALLATION
INITIAL SETUP
The factory-set parameters and operating modes will satisfy
most applications. But you can change some settings and
enable or disable features as needed.
You can modify the parameters for high and low process tem-
perature deviation warnings from the control panel. See
S
ETTING
S
ETPOINT
D
EVIATION
P
ARAMETERS
.
Dip switches on the motherboard inside the PC-1 and PC-2
electrical enclosure allow you to:
❒ Select the units of measure for tem-
perature displays.
❒ Enable password protection.
❒ Enable the Auto Tune.
❒ Enable the Auto Start feature.
❒ Enable the Test Mode.
❒ Select the source point of tempera-
ture control.
To change the dip switch settings, see the appropriate topic
on the following pages.
12
3
4
5
6
7
8
Dip switch Configuration
No. OFF ON
1 Display units in °F Display units °C
2 Auto Tune disabled Auto Tune enabled
3 Passcode protect Password reset/modify
4 * Auto Start disabled Auto Start enabled
5 * Control point protect Control point source select
6 Test Mode disabled Test mode enabled
7
†
Controller type selection Controller type selection
8
†
Controller type selection Controller type selection
* Available only on PC-2 control models.
† Switch 7 must be ON, and switch 8 must be OFF. Do not change the
settings of these two switches.
WARNING: Electric shock hazard
This equipment is powered by high voltage. Always
disconnect and lock out the main power source
before opening the unit or the electrical enclosure to
modify factory settings. Failure to disconnect and
lock out the main power source can result in severe
personal injury.
NOTE: Dip switch 7 must be
ON and dip switch 8 must
be OFF for the chiller to
work. Do not change the
factory setting of these two
dip switches.