17
TWITE INSTRUMENTS
THERMOSTAT MODEL TD-196 OPERATING MANUAL
SETTING FUNCTIONS
1.
TEMPERATURE SET POINTS
Sets the 4 temperature control set points associated with the 4 time set points be-
tween -50 oC. and +150 oC. If in cooling mode only one set of 4 set points. If in
heating mode there is 3 sets of 4 set points required. Control 1, 2 and 3 are available
for 3 banks of heating elements. Control 4 acts as a fans or agitator in the heating
mode and is turned on if any one or combination of the other three control relays are
on. The led's 5, 6 & 7 are lit in the heating mode to indicate which control number is
being set 5 = control 1, 6 = control 2 and 7 = control 3.
FOR COOLING
PRESS “
SET
”
ENTER PASSWORD IF REQUIRED
PRESS
s t
TO SELECT NUMBER
1
PRESS “
ENT
”
1
s t
TO SELECT REQUIRED SET POINT 1 TEMPERATURE ON LED
PRESS “
ENT
”
2-4 REPEAT THIS PROCESS FOR SET POINTS 2, 3 & 4
SELECTION COMPLETE
FOR HEATING
PRESS “
SET
”
ENTER PASSWORD IF REQUIRED
PRESS
s t
TO SELECT NUMBER
1
PRESS “
ENT
”
1&5
s t
TO SELECT TEMP SET POINT 1 FOR CONTROL 1 ON LED
PRESS “
ENT
”
2&5
s t
TO SELECT TEMP SET POINT 2 FOR CONTROL 1 ON LED
PRESS “
ENT
”
3&5
s t
TO SELECT TEMP SET POINT 3 FOR CONTROL 1 ON LED
PRESS “
ENT
”
4&5
s t
TO SELECT TEMP SET POINT 4 FOR CONTROL 1 ON LED
PRESS “
ENT
”
2-4 REPEAT THIS PROCESS FOR SET POINTS 1, 2, 3 & 4 FOR CONTROL 2,
& 6-7 & 3
SELECTION COMPLETE
NOTE :- These numbers represent the No. LED lit on the
right hand Bar LED as the "ENT" key is pressed.
