Tempatron
Tel: +44(0)161 859500
Fax: +44(0)161 855335
Models Available
MINITHERM6-MCU
Quad Range Temperature Controller
Product Features
Ideal for OEM heating and refrigeration
4 temperature range options
For use with 10K NTC thermistor probe
16 Amp changeover relay output
110Vac, 30Vac or 4Vdc powered
Energy regulation feature
Lockpot operation feature
Onboard LED or optional remote LED
MINITHERM6-MCU
TM
Temp. Controller
The Tempatron MINITHERM6-MCU
TM
quad range temperature controllers
are designed for a wide range of OEM heating and refrigeration
applications, and are ideal for replacement of electromechanical controls.
Any one of four commonly used temperature ranges can be selected by
cutting just two wire links. They are available in 110Vac and 30Vac
versions (or 4Vdc to special order) with a 16 Amp changeover relay
output and are compatible with industry standard 10K (@5°C) NTC
thermistors.
These chassis mounting modules measure only 70mm x 45mm and have
an integral energy regulation feature (link selectable) which reduces the
connected heating/cooling power to 33% duty cycle as the temperature
approaches the setpoint. An onboard (or optional remote) LED indicates
current temperature status and diagnostic conditions.
i
For temperature control in machinery, systems and operational processes
Dimensions
45.0
Note:
The thermistor connections are not isolated from the AC supply.
16.5
7.5
Connections
33.0
Probe
The unit is set for
onboard LED indication
To select
remote LED
indication, ‘spin cut’ the
copper pad adjacent to
the LED to disconnect the
onboard LED. Connect
the remote LED to the
-pin
LED
Molex header
(ensuring LED cathode is
connected to pin
K).
33%
PAD
T3
K
LED
T3R
Links T2, T2R, T3, T3R
Leave in place for
TR temperature range of 73 to 99°C
Cut links T and TR for
temperature range of to 54°C
Cut links T3 and T3R for
temperature range of -0 to +6°C
Cut links T, T3 and T3R for
temperature range of 4 to 34°C.
T
70.0
LED
M3
7.5
.0
17.0
N/O C N/C
Load Connection
N L
Power
Supply
33% Duty Cycle
This feature cycles the output on for 6.4 seconds every 19. seconds as the
temperature approaches the setpoint. This can reduce over/undershoot in many basic
temperature control applications. It is primarily intended for heating applications.
‘Spin cut’ the pcb pad (copper side, top right) adjacent to the 8-pin integrated circuit
to enable this feature.
All dimensions in mm
Tempatron
Email: sales@tempatron.co.uk
Web: www.tempatron.co.uk
Continued...
Ordering information
Model
Code
MINITHERM6-MCU
Description
Quad Range Temperature Controller
T1: 73 to 99°C
T: to 54°C
T3: -0 to +6°C
T4: 4 to 34°C
Auxiliary Power
Code
110V
30V
4V
MINITHERM6-MCU-230V
Description
110Vac
30Vac
4Vdc
3
Specification
Power Supply Voltages:
110Vac (45-60Hz)
30Vac (45-60Hz)
4Vdc (to special order)
Supply Voltage Variation:
±15%
Burden:
3.8mA nominal (relay off)
Input:
Non-isolated NTC thermistor
(10K @ 5°C)
Temperature Ranges:
T1: heating 73 to 99°C
(factory set)
T: heating to 54°C
(cut T & TR links)
T3: cooling -0 to +6°C
(cut T3 & T3R links)
T4: heating 4 to 34°C
(cut T, T3 & T3R links)
Output:
Single pole changeover relay contact
16A at 40Vac/30Vdc (resistive)
Status LED Indication:
Off, blinking on:
On, temperature out of range
Flashing on/off:
On, temperature in range
On, blinking off:
On, nearing set temperature
Continuous on:
Off, at set temperature
Flashing @ seconds:
Off, lockout failure
Electrical Connections:
Five 6.3mm blades for power (L, N)
& relay output (N/C, C, N/O)
-pin molex connector for thermistor
-pin molex connector for remote LED
Mounting:
Two M3 fixing pillars spaced 33mm
Operating Temperature:
-0ºC to 65ºC
Enclosure Code:
Case IP00
Weight:
35g
Specification subject to change without notice.
Example
Lockpot Operation
This feature allows the potentiometer setting to be locked, thereby eliminating
unauthorised adjustment of the temperature control.
To use this feature simply:-
1. Set up the required temperature using the adjustment potentiometer.
. Switch off the auxiliary power to the controller.
3. Insert the red programming link into the pin header marked
LP.
4. Switch on the auxiliary power to the controller. The LED will blink on for 5 seconds
indicating
LOCKPOT off,
then change to continuous flashing indicating
LOCKPOT on.
5. Switch off the auxiliary power to the controller and remove the programming link.
6. Repeat above to re-select
LOCKPOT off.
Tempatron: Eltime House, Hall Road, Maldon, Essex, CM9 4NF UK.
Tempatron Industrial Controls is a division of Eltime Ltd.
© Eltime Ltd. Tempatron MINITHERM6-MCU Temperature Controllers 09/011
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