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PULSER/D
59
115
PULSER/D
16A 210-415V~
Made in Sw eden
AB REGIN, Kållered
88
IMPORTANT: Read this instruction
before installation and wiring of the
!
product.
1
2
3
4
G1 G2 G3 K
Fig 1
G1 G2 G3
TG-R530
1
Fig 2
2
G1 G2 G3
Fig 3
TG-R430
1
3
www.regin.se
Box 116 428 22 KÅLLERED SWEDEN
Tel +46 (0)31 720 02 00 Fax +46 (0)31 720 02 50
INSTRUCTIONS
Triac controller for proportional control
of electric heating
PULSER/D is a proportional controller for electric heating with
automatic voltage adjustment. PULSER/D pulses the whole load On
- Off. The ratio between On-time and Off-time is varied 0 - 100% to
suit the prevailing heat demand. The current is always switched at
zero phase angle to prevent RFI.
PULSER/D is only intended for electric heating control. The control
principle makes it unsuitable for motor- or lighting control.
PULSER/D cannot control 3-phase loads.
PULSER/D is intended for DIN-rail mounting.
Installation
Mount PULSER/D on a DIN-rail in a cabinet or other enclosure.
Mount PULSER/D vertically with the text right side up.
Protection class:
IP20
Ambient temperature:
0 - 40°C
N.B. PULSER/D emits approx. 20W of heat which must be
dissipated.
Wiring
Supply voltage (fig 1)
Terminals 1 and 2. Not polarity sensitive.
Supply voltage: 200 - 415V AC, 50 - 60 Hz with automatic voltage
adjustment.
Maximum current 16A.
N.B. The supply voltage to PULSER/D should be wired via an all-
pole switch with a minimum contact gap of 3mm.
N.B. PULSER/D must be earthed.
Load (fig 1)
Terminals 3 and 4.
Resistive single- or two-phase heater.
Maximum load: 3680W at 230V (16A)
6400W at 400V (16A)
Minimum load: 230W at 230V (1A)
400W at 400V (1A)
INSTRUCTIONS
External sensor and setpoint (figs 2 - 6)
Terminals G1, G2 and G3. Not polarity sensitive.
N.B. The choice of terminals is determined by whether the
internal setpoint is to be used or not.
If the internal setpoint is to be used the sensor is to be
connected to terminals G1 and G3.
If an external setpoint device is used, use terminals G1 and
G2.
N.B. The PULSER/D sensors have high potential compared to
neutral and earth (>200V). Thus, wiring and installation of
the sensors must comply with local codes for line voltage
installations.
Night set-back (fig 7)
Terminals G1 and K. Voltage-free closure will give a 5K night
set-back.
Figures
Fig 1: Wiring of supply voltage and heater.
Fig 2: Wiring of room sensor TG-R530 when using internal
setpoint.
Fig 3: Wiring of room sensor TG-R430 used as external setpoint
and sensor.
Fig 4: Wiring of floor or duct sensor when using internal set-
point.
Fig 5: Wiring of external separate sensor when using TG-R4xx
as external set-point.
Fig 6: Wiring of external, separate sensor when using potentio-
meter TBI-xx as external setpoint.
Fig 7: Wiring of night set-back function.
Control principle
PULSER/D pulses the full load On - Off. PULSER/D adjusts the
mean power output to the prevailing power demand by
proportionally adjusting the ratio between On-time and Off-time.
The pulse period (=the sum of On-time and Off-time) is fixed 60
seconds.
PULSER/D has zero phase-angle firing to eliminate RFI.
PULSER/D automatically adjusts its control mode to suit the
control object dynamics.
For rapid temperature changes e.g. supply air control PULSER/
D will act as a PI controller with a proportional band of 20K and
a reset time of 6 minutes.
For slow temperature changes e.g. room control PULSER/D will
act as a P controller with a proportional band of 1.5K.
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