Figure 5 Switch setting and wiring using external separate sensor and TG-R4xx as
setpoint.
Figure 6 Switch setting and wiring using external, separate sensor and potentiometer
TBI-xx as setpoint.
Figure 7 Wiring of night set-back.
Figure 8 Switch setting and wiring of minimum limit sensor.
Figure 9 Switch setting and wiring of maximum limit sensor.
Settings
The setpoint range can be mechanically limited using the limiting rings
behind the setpoint knob.
1. Set the knob to a temperature within the desired limiting range:
Pull off the knob and loosen the screw locking the two rings.
Rotate the blue ring so that the protruding part is slightly lower than
the lower temperature limit. Use the markers on the bottom of the
covers knob-cutout as an aid. The markers are 5° apart.
2. In the same way set the red ring to a value slightly higher than the
upper limit temperature.
3. Retighten the locking screw without disturbing the position of the
rings.
4. Replace the knob and check the result. Make fine adjustments if
necessary.
Handling
C
Caauuttiioonn!! Be careful when working in the product. All internal compo-
nents including the cooling flange are at line voltage potential. Never leave
the unit under power without the front cover on.
Start-up
1. Check that all wiring is correct and that the sensor selector switches
are in the correct position.
2. Measure the resistance between terminals 3 and 4:
At 230 V: 14.4 Ω < R < 230 Ω.
At 400 V: 25 Ω < R < 400 Ω.
3. If a minimum limit sensor is connected, set the limit potentiometer
fully clockwise.
If a maximum limit sensor is connected, set the limit potentiometer
fully counter-clockwise.
4. Connect supply voltage and twist the setpoint knob between end
stops. Check that the LED goes on and off when the setpoint value is
higher and lower than the temperature at the sensor. If the
maximum limit sensor is connected, turn the min/max
potentiometer fully counter-clockwise whereby the LED will go off.
Turn the setpoint knob to the minumum position. The LED will go
off, alternatively flash with shorter and shorter On-time and
eventually go off. If the minimum limit sensor is connected, turn the
min/max potentiometer fully clockwise whereby the LED will go
on. When the setpoint knob is set to the actual sensor temperature
and the min/max-potentiometer is set so that it doesn’t influence the
control, the LED will pulse On-Off as the unit pulses current to the
heater. The pulse cycle period is approx. 60 seconds. Check with a
clamp-on ammeter that current is flowing to the heater.
Trouble shooting
1. Disconnect power and remove wiring to external sensor/setpoint if
any. Measure the resistance of the sensor and setpoint separately.
The potentiometer resistance varies 0 - 5 kΩ between the lower and
upper end-point. The sensor resistance varies between 10 kΩ and 15
kΩ between the upper and lower ends of the sensor temperature
range. I.e. a TG-K330 has 15 kΩ at 0 °C and 10 kΩ at 30 °C. The
resistance changes by 167 Ω/°C.
2. Set sensor selector switches 1 and 2 in the downwards position but
leave the sensor inputs G-G open. Set both min/max-switches, 3 and
4, in the downward position. Switch on the voltage. The unit should
give full uninterrupted power and the LED should be lit. Check with
a clamp-on ammeter that current is flowing to the heater. If the LED
is not lit and no current is flowing: Check that you have power on
terminals 1 and 2 and recheck the positions of the sensor selector
switches. If OK the unit is probably faulty. If the LED lights up but
no current is flowing: Recheck the heater resistance as above. If OK
the unit is probably faulty.
3. Shut off power and short-circuit the sensor input G-G but leave the
switches in the downwards position. Switch on power again. The
unit should not give out any power at all and the LED should not
light up. Check with a clamp-on ammeter that no current is flowing
to the heater. If the LED is off but current is flowing to the heater
the unit is faulty. If the LED is lit, recheck the shorting of terminals
G-G. If OK the unit is faulty.
4. If everything OK this far, the unit and the sensor/setpoint are OK.
Shut off power, remove the wire strap from G-G and reconnect
external sensor/setpoint if any. Set the selector switches to their
correct positions according to the appropriate wiring diagram for the
installation at hand. Replace front cover and setpoint knob. Connect
power.
Function
This is an electric heating controller (triac control) for single phase or
two phase electric heating. The controller pulses the entire output load
ON/OFF. It utilises time-proportional control, the ratio between On-
time and Off-time is varied to fit the prevailing heating requirement e.g.
On-time = 30 s and Off-time = 30 s gives 50% output power. The cycle-
time (the sum of on-time and off-time) is fixed at approximately 60
seconds. The current is switched at zero crossing, to eliminate network
disturbance. It automatically adapts control mode to suit the dynamics of
the controlled object.
For rapid temperature changes, it will work as a PI-controller with a
fixed P-band and a fixed I-time. For slow temperature changes it will
work as a P-controller with a fixed P-band. The control principle makes
it unsuitable for motor- or lighting control. It cannot control 3-phase
loads.
This product carries the CE-mark. More information is available at
www.regincontrols.com.
Contact
AB Regin, Box 116, 428 22 Kållered, Sweden
Tel: +46 31 720 02 00, Fax: +46 31 720 02 50
www.regincontrols.com, [email protected]
G G
3
2
1 2 3 4
G G
TG-R4xx
TG-K3xx
TG-G1xx
2
1
TBI-xx
TG-K3xx
TG-G1xx
1 2 3 4
G G
K
K
°C
Min/Max
M
M
1 2 3 4
TG-K3xx
Min/Max
M
M
1 2 3 4
TG-K3xx
PULSER-M
2
