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1. Technical Specifications

Product type                                  High bay microwave motion sensor (Daylight harvest)
Operating voltage                          120~277VAC  50/60Hz
Rated load                                    Resistive:700W@120V; 1600W@220-277V;
                                                    Capacitive:400VA@120V; 800VA@220-277V; 
Power consumption                       < 1W
Detection angle                             360

o

Detection area (DxH)                     12 x 12m (Maximum)
Mounting height                            15M(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                          50 ~ 500Lux, Disable
Warmming up time                        20s
Operating temperature                   -20

o

C ~ +50

o

C   

IP rating                                         IP42

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.

8

SURFACE MOUNT HIGH BAY MOTION SENSOR HMW12

Installation and Instruction Manual 

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

4. Functions

The motion sensor is employed, but only activated on the manual press of the push switch, 
The light remains on during presence and dims down in absence, eventually switching off 
automatically after the stand-by time has expired.
Note: in this mode, the push terminal used for the ‘manual on’ switch input. 
         End-user can choose either function 4.3 or 4.4 for application. Default function is 4.3.

4.2 Lux Off Function

4.4 Semi-auto Function (Absence Detection)

4.3 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 target lux level by turning the light up or down. Both the 
                             adjustment on remote control and push switch can overwrite each other, 
                             the last adjustment remains in memory.

HMW12-20170309-A1

2. Installation 

Warnings: 

1. Installation must be carried out by a
    qualified engineer in accordance with
    local regulations.
2. Disconnect supply before installing.
3. Install to a solid surface - vibrations may
    cause mis-triggering.
4. Ensure environmental conditions are
    suitable for electronic equipment

29

50.2

Direct junction “J” box mounting

a. Separate control board (A) from facia (B) 
    & Surface box (C).  C is not required.
b. Make electrical connections to control board 
    (A). See detailed wiring diagram on next page.
c. Secure control board (A) to junction box.
d. Set-up sensor modes as per sections 3 & 4 
    of this manual.
e. Clip facial plate (B) to control board (A).

Surface mount assembly

a. Separate control board (A) from facia (B) &
    Surface box (C).
b. Securely mount surface box (C) to a flat and
    solid surface.
c. Make electrical connections to control board 
    (A). See detailed wiring diagram on next page.
d. Set-up sensor modes as per sections 3 & 4 of
    this manual.
e. Secure control board (A) to surface box (C).
f. Clip facial plate (B) to control board (A).

32.5

53.7

C - Surface box

B - Facia Cover

A - Control Board

Rotary switch preset

Photocell

Infrared receiver

HF Sensor module

LED indicator

4.1 Daylight Harvest (Daylight Regulating)

Daylight sensor measures the available surrounding natural light, calculates how much electrical light is 
needed to reach the total lux expected. The demand is given to the LED driver by 1-10V signal, so as to 
deliver the needed amount of electric light.

0

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Light level

Time (hrs)

Normal Electric Light 

Daylight controlled light

Energy Saving Zone

Natural light

Hold time

Stand-by time

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%
100%
100%
100%
100%
100%

5s
1min
5min
5min
5min
5min
10min
10min
10min
10min
20min
20min
30min
30min
30min
5s

10s
5min
10min
+∞
+∞
+∞
30min
+∞
+∞
+∞
1h
+∞
+∞
+∞
+∞
10s

10%
10%
10%
10%
10%
30%
10%
10%
10%
30%
10%
30%
10%
30%
50%
10%

Disable
50Lux
50Lux
75Lux
100Lux
200Lux
50Lux
75Lux
100Lux
200Lux
100Lux
200Lux
100Lux
200Lux
400Lux
100Lux

Hold 

time

Stand-by 

time 

Stand-by 

dimming level 

Daylight 

threshold

The light dims to minimum level even switches off completelly if ambient daylight is 
sufficient (natural light level exceeds target lux level), no matter it is during hold-time or 
stand-by time, with or without motion.
Note: if the stand-by time is preset at "+∞", the light never turns off even when natural light 
is sufficient.

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