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Read the complete manual before carrying out the installation and activating the system. Keep the
manual for future reference.
Universal modular dimmer PLC interference suppression 5 - 350 W
1. DESCRIPTION
This universal, modular dimmer is intended for DIN-rail mounting and is 1 TE wide (17.5 mm). The dimmer is
connected with three wires and is suitable for dimming dimmable LED lamps, dimmable economy lamps (CFLi),
halogen lamps and incandescent lamps. The dimmer functions according to both the phase control and reverse
phase control principle and is controlled via a NO push-button (170-0000x). The choice of lamp type can be
set using the first three DIP switches under the hinged lid (see fig. 2). The dimmer can be used with or without
memory and is equipped with an automatic detection and indication of malfunctions (overload, short circuit, etc.).
2. MOUNTING AND CONNECTION
To connect the load and the necessary input voltage, see fig.1. If everything is correctly connected and the power
supply and the lamp are switched on, then the indication LED on the dimmer will be on. If a malfunction has
occurred, then the LED will flash. Make sure that no mixed loads are used on 1 dimmer.
Installation recommendations
- The dimmers should ideally be fitted at the bottom of the electrical cabinet.
- If modular dimmers are fitted near to one another in the electrical cabinet, you can only connect 80% of the
maximum permissible power. A minimal distance of 20 mm is required in order to utilise the full, maximum
power.
- Check the temperature. If the temperature in the electrical cabinet rises too high (max. 35°C), provide
additional ventilation. Ensure that any air is adequately vented at the top of the electrical cabinet. Install a
ventilator if necessary.
3. OPERATION AND USE
3.1. General operation
The dimmer is controlled via an NO push button (230V AC or 8-24V AC/V DC). Press briefly to switch on
and off. Hold down to dim up and down. When holding down, the dimming direction is switched after each
interruption (dimming up -> stop -> dimming down-> stop -> dimming up -> etc.). Once the maximum
intensity has been reached, the dimming level remains unchanged. The last dimming level set before switching
off the dimmer is saved in the permanent memory of the dimmer if the memory function is activated.
(see § 3.3.). Up to 30 NO contacts 170-0000x can be connected in parallel (max. distance 100 m).
3.2 Two extra control modes
The following two additional control modes are possible. These can be selected with DIP switch 4 under the
hinged lid of the dimmer (see fig. 2).
Mode 1: One-button control
By selecting this mode, the dimmer works with an NO push-button control (230V AC or 8-24V AC/V DC). Press
briefly to switch on and off. Hold down to dim up and down. When holding down, the dimming direction is
switched after each interruption (dimming up -> stop -> dimming down-> stop -> dimming up -> etc.). The
last dimming level set before switching off the dimmer is saved in the permanent memory of the dimmer if the
memory function is activated. (see § 3.3.). This mode is selected by turning DIP switch 4 off (downward) (see
§ 3.7). For the connection diagram, see figure 1a (one-button control).
Mode 2: Staircase function
When this mode is selected, the light intensity of the light circuit will decrease to 30% after 3 minutes and the
dimmer will switch off completely 1 minute later. The light intensity and the visible switch-off delay is lamp-specific.
It is possible that these differ. This mode is selected by setting DIP switch 4 on (up) (see § 3.7). For the wiring
diagram, see figure 1b (staircase function).
3.3 Memory function
The dimmer can be used with or without memory. The standard setting of the dimmer is without
memory function. You use the NO push-button control to change this function. Dim up to the maximum light
level and then continue to press the control button for 10 seconds. After 10 seconds, the light dims from 100%
to a lower light level, to indicate that this function has been switched on. After this change in light intensity,
immediately release the push button. Repeat the procedure to deactivate the memory function. This function,
and the last set light level, is stored in a non-volatile memory, i.e. they will not be lost in the event of a power
failure. With the memory function, the dimmer switches on the first time at a light level selected by Niko. After
that, the dimmer switches on at the last set value. For dimming dimmable economy lamps and LED lamps with
the activated memory function, the dimming profile is set up in such a way that the dimmer is first switched on
to its maximum capacity (boost function) for less than one second and then returns to the dimming level saved
in memory. This ensures that each lamp, even those with memory function, can be switched on.
With memory
- Press briefly: on at previous level / off
- Hold down when off = the dimmer dims up from the minimum light level.
- When dimming up: the dimmer stops at the maximum.
- When dimming down: the dimmer stops for 2 sec. at the minimum and then dims back up.
- A renewed (long) press reverses the dimming direction.
Without memory
- Press briefly = on at maximum / off. The rest of the operation is the same as the operation with memory.
Push-button control
Press briefly < 400ms
Hold down > 400ms.
= on / off
= dimming up / dimming down
3.4 All-off function
If another NO push-button control (170-0000x) is connected to the all-off input
switch off all lighting that is connected to this dimmer. For the connection diagram, see fig. 1 c (all-off function).
3.5. PLC interference suppression
This dimmer is equipped with interference suppression of PLC signals. This integrated interference suppression
attempts to remove as many interfering signals as possible from the mains in order for most lamps to function
optimally, without flashing or humming.
Please note: Due to technical restrictions, it is not possible to match the quality of industrial PLC filters. Refer
to the FAQ on dimming at www.niko.eu/faq for more information on reducing PLC signals.
PM330-00700R23374
3.6. Meaning of the red indication LED
The LED lights up:
The LED flashes:
3.7. Permitted loads
The following table provides an overview of the maximum load that is permitted per lamp type at an ambient
temperature up to 35°C.
Lamp
Max.
350 W
Min.
5 W
3.8. Adjust the dimmer settings according to the type of lamp
You set the correct load with the DIP switches as follows.
Dimmable LED lamp, halogen lamp with electronic transformer or incandescent
LED 1
lamp – reverse phase control
Dimmable lamp or halogen lamp with ferromagnetic transformer – phase control
LED 2
LED 3*
Dimmable lamp or dimmable economy lamp - reverse phase control
LED 4*
Dimmable lamp or dimmable economy lamp - phase control
LED 5
Dimmable LED lamp - reverse phase control
LED 6
Dimmable LED lamp - phase control
LED 7*
Dimmable LED lamp - reverse phase control
LED 8*
Dimmable LED lamp - phase control
(*) These lamp profiles are equipped with boost function. This means that upon switching on, the lamp will briefly
shine brightly before going to the desired dimming level (if the memory function has been activated).
3.9. Select profile for LED lamps
To select the right profile for the installed LED lamps, you proceed as follows:
1. Try out profiles LED 5 and LED 6, one after the other.
If one of these profiles functions properly, go to § 3.10.
2. If not, try the profiles LED 1 and LED 2, one after the other.
If one of these profiles functions properly, go to § 3.10.
3. If not, it means the LED lamps need a lot of energy to start up. In this case, choose the lamp profile LED 3,
LED 4, LED 7 or LED 8. These profiles have a boost function ensuring that, when starting up, the lamps receive
enough energy before going into the desired dimming level (with activated memory function).
We provide an example of the advantages and disadvantages of the latter two options below:
Profile
Advantages
Disadvantages
3.10. Setting the minimum level
In order to reach the (optimal) maximum range for each lamp, the minimum level can be adjusted. See fig. 3.
4. TROUBLESHOOTING
Problem
The dimmer is not working. The
red LED on the dimmer is not on.
The dimmer is not working. The
red LED on the dimmer is on.
, then this control can
- the dimmer is connected correctly (when installing)
- and the load is switched on.
- malfunction; the dimmer is not connected correctly, overload, short-circuit
incorrect setting. See Troubleshooting in §4 of this manual.
HAL. 12 - 24 V
HAL. 230 V
HAL. 230 V
350 W
350 W
5 W
20 W
LED 1 or LED 2
The lamp does not shine bright for a moment after
being switched on
• The lamp cannot be dimmed to its minimum
level
• In certain cases the difference that can be
reached in light output is limited
Cause
The mains voltage is disconnec-
ted.
The wire is defective.
The load is disconnected.
The lamp or wire is defective.
The minimal dimming level is set
too low.
The dimming profile is incorrect.
The memory function is activated.
330-00700
dimmable
dimmable
economy lamp
LED lamp
200 W
200 W
5 W
5 W
LED 3, LED 4, LED 7 or LED 8
The lamp can be dimmed to its
minimum level
When switched on, the lamp
is bright for a moment if a low
dimming level was selected
Action
Connect the device to the mains
voltage.
Replace the wire.
Connect the load correctly using
the connection diagram.
Replace the lamp or wire.
Increase the minimum dimming
level or use a profile with boost
function (LED 7 or LED 8).
Choose another profile and adjust
7
the minimum dimming level.
Turn off the memory function and
turn on the dimmer.
EN
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