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2. Installation 

1. Technical Specifications

Product type                                  Tri-level control PIR motion sensor

Operating voltage                          220~240VAC  50/60Hz

Rated load                                    1600W (resistive); 800W (capacitive)

Power consumption                       < 0.5W

Detection angle                             360

o

Detection area (DxH)                      10 x 3m (Tangential)

Mounting height                            5m (Maximum)

Detection range                            10% / 50% / 75% / 100%

Hold time                                      2s / 30s / 1min / 5min / 10min / 15min / 20min / 30min

Stand-by time                               0s / 10s / 1min / 5min / 10min / 30min / 1h / +∞ 

Stand-by dimming level                 10% / 20% / 30% / 50%

Daylight threshold                          2 ~ 500Lux, Disable

Warmming up time                        30s

Operating temperature                   -20

o

C ~ +50

o

C

3. Rotary Switch Settings

A rotary switch is built inside the sensor for 
scene selection / fast programming. Total 
16 channels available:

Note: settings can also be changed by remote control HRC-11. The last action controls.

FLUSH MOUNT PIR MOTION SENSOR HIR21

Installation and Instruction Manual 

Rotary switch preset (Please 
see the location in 2. Installation)

Warnings: 

1. Installation of the sensor involves connecting it to the mains supply. This work must be 
    carried out by a specialist in accordance with electrotechnical regulations.
2. Disconnect supply before installing.

Detection 
range 

Channel

0

1

2

3

4

5

6

7

8

9

A

100%

100%

100%

100%

100%

100%

100%

100%

100%

100%

100%

75%

50%

100%

100%

100%

5s

1min

5min

5min

5min

5min

5min

10min

10min

10min

10min

10min

10min

30min

30min

5s

10s

5min

10min

30min

0s

+∞

+∞

10min

30min

+∞

+∞

+∞

+∞

+∞

+∞

10s

10%

10%

10%

10%

Disable

10%

30%

10%

10%

10%

30%

10%

10%

10%

30%

10%

Disable

2Lux

10Lux

30Lux

10Lux

30Lux

Disable

2Lux

10Lux

30Lux

Disable

30Lux

10Lux

50Lux

Disable

2Lux

Hold 
time

Stand-by 
time 

Stand-by 
dimming level 

Daylight 
threshold

4. Functions

Hytronik builds this function inside the motion sensor to achieve tri-level control, for some areas require a 
light change notice before switch-off.
It offers 3 levels of light: 100%-->dimmed light-->off; and 2 periods of selectable waiting time: motion 
hold-time and stand-by period; Selectable daylight threshold and freedom of detection area. 

The built-in daylight sensor can read ambient natural light and switch off the fixture automatically 
whenever artificial light is unneeded (natural light lux level exceeds daylight threshold). 
Note: if the stand-by time is preset at "+∞", the fixture never switches off even when natural light 
         is sufficient.

The motion sensor is employed, but only activated on the manual press of the push switch, 
light keeps on in the presence, and dims down in the absence, and eventually switches off 
automatically in the long absence.

4.1 Tri-level Control (Corridor Function)

4.2 Lux Off Function

4.3 Semi-auto Function (Absence Detection)

Switch the power supply to the sensor two times within 2 seconds, the ambient lux level is 
sampled and set as the new daylight threshold. Both the settings on rotary switch and the 
ambient lux level sampled can overwrite each other. This feature enables the daylight sensor 
to be commissioned to the environment in which it is installed. The last adjustment remains in 
memory.

Turn off/on the power supply three times within 3 seconds, the light will be turned on for 8 
hours, even there is no motion detected, then go back to sensor mode automatically.
Note: this 8H manual on mode can be cancelled by turning off/on the power supply one time 
within 1 second.

4.4 Ambient Daylight Threshold

4.5 8H Manual ON Mode For LED Lamp

4.6 Manual Override

With the help of push-switch, this sensor maybe over-ridden by the end-users to switch on/off 
the lights manually, or adjust the light brightness during motion hold-time. This makes the 
product more user-friendly and offers more options to fit for extra-ordinary demands.
* Short push (<1s): on/off function;
  ON 

 OFF: the light turns off immediately and cannot be lighten for a certain time (equals 

to hold time preset) even there is movement is detected. After this period, the sensor goes 
back to auto sensor mode.
  OFF 

 ON: the light turns on 100% and goes to auto sensor mode, even when ambient 

                     Lux level exceeds the daylight threshold.
* Long push (>1s): adjust the maximum brightness (between 10% and 100%) during 
                             hold-time. Both the settings on DIP switch and manual override can 
                             overwrite each other, the last adjustment remains in memory. 

* If no end-user adjustment is desired, simply leave this terminal disconnected.

Infrared receiver

Photocell

LED indicator

PIR

Rotary switch preset

1

3

4

2

(1) Sensor inset
(2) Lens pluggable
(3) Protection cover (covers the 
     high-voltage terminals, and leaves 
     the 1-10V terminals exposed).
(4) Ceiling (drill hole O 70mm).

70mm

64.7

o85

68.1

73.3

56

Blind

Note: the blind can be plugged to the cover for 
         reducing detection angle if necessary.

HIR21-20160912-A2

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