Control Performing System Tests; Tw-1, Tw-2 Control Performing; System Tests - Conair Thermolator TW-1 User Manual

Conair Thermolators with TW-1 or TW-2 controls provide a
Test Mode that tests displays and keys on the control panel, as
well as inputs and outputs. The Test Mode also allows calibra-
tion of the supply and return line thermocouples.
System tests and calibration should be performed annually.
To enable Test Mode:
1
Press to shut down the Thermolator.
Stop
2
Disconnect and lock out main power to the unit,
then open the electrical enclosure.
3
Set dip switches 3 and
5 to OFF.
4
Set dip switch 6 to ON.
5
Close the electrical enclosure and restore
power to the unit.
u The control displays "tSt."
u The Test Mode LED lights.
6
Press any button to display the first test menu.
Test mode provides the following menus:
l Key/Display Test
l Input Test
l Output Test
l Calibration
l Total Operating Hours
l Output Monitor Enable/Disable
7
After performing each test, hold the Setpoint
for 3 seconds to index to the next test menu. The proce-
dure for each test is described on the following pages.
UGH025-0504
8 7 6 5 4 3 2 1
Thermolator TW Series
TW-1, TW-2
C
ONTROL
P
ERFORMING
S T
YSTEM
IMPORTANT: All normal
operating functions are
disabled while Test Mode is
enabled. To return to normal
operation, you must disable
Test Mode.
To disable Test Mode,
repeat steps 2 through 5,
setting dip switch 6 to OFF
instead of ON.
M
AINTENANCE
ESTS
5-5