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Mxx3421

Honeywell Mxx3421 Operating instructions

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Installation Instructions
Only suitably qualied personnel should install this equipment

Mxx3421 & Mxx3500 High Detection Microwave Sensors
1) Determine Position



3) Remove Terminal Cover
2) Plan DALI Cable Runs 4) Fit Flush Mount Version
Part Number
Flush Mount
Switch Input (Mains)
Switched Live Output
Volt free output
Connect to MLS
Connect to DALI Bus
360 degree sensing
Directional Sensing
24hr mode
Lighting scenes
OneSwitch dimming
MLS3421DRF •• •••• •••
MLS3500DRF •• ••• ••••
MR3500DRF • • • • • • • •
MR3500RF • • • • •
MR3421R2F • • • • • •
Security









Mxx3421

Recommended maximum mounting height 
Range 



Mxx3500



Recommended maximum mounting height 
Range 

0
30
60
90
120
150
180
210
240
270
300
330
-30
-24
-24
-18
-18
-12
-12
-6
-6

0
30
60
90
120
150
180
210
240
270
300
330
-36
-30
-30
-24
-24
-18
-18
-12
-12
-6
-6
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI
DALI DALI DALI
DALI DALI DALI
DALI Topology


Note:If using cables larger than 3x1.5mm²
the outer sheath on the supply cable should
only be removed after the sheathed cable
has been clamped in position.





4b) Make Electrical Connections

4d) Replace the Terminal Cover 4e) Fix to Ceiling
Standard Method
NOTE: To remove sensor rotate LOCKRING and pull up

LOCKRING Method
4c) Fix Cable Clamps
4a) Prepare Mounting Location and Run Cables
5) Fit Surface Mount Version







Note:If a surface mount version has been ordered a ush mount version and a surface
mount kit will be provided.
5a) Remove springs & Attach Shell
5b) Attach Conduit Fittings & Cable Glands to Lower Housing


5c) Prepare Mounting Location and Run Cables
5e) Fix to Ceiling


5d) Make Electrical Connections








8
4
12 3
65
7




IMPORTANT NOTES
 

 
 

 


 
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







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

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



10) Conguration
9) Diagnostics

Specications
Photocell 

IP Rating 
Operating temperature 
Dimensions
Flush mounting
Surface mounting


Weight
Flush mounting
Surface mounting kit


Colour 
Material 
Max recommended load 
6) Make Electrical Connections
WARNING:
WARNING:

7) Perform Walk Test







Uninstall surface mount variants









8) Out of Box Behaviour



Time Delay 
Photocell Mode 
Occupancy Mode 
Movement Sensitivity 




LED indication Meaning
 
R
R
R



B
B
B
 
Note:
1. DALI gears (ballasts or drivers) are normally wired from an unswitched supply.
2. Ballasts or drivers must be DALI Control Gears complying to IEC 62386 V1 or V2.
Terminal type 
Terminal capacity 
Recommended cable 
Max cable length 2

 

MLS Bus Connections - MLS variants
Terminal type 
Terminal capacity 
Recommended cable 2
Max cable length
 
 2
 2
 2
 2
Max devices 




Warning: 
Warning: 





DALI Bus Connections - DALI variants
Volt-free Output Connections
Terminal type 
Terminal capacity 
Recommended cable 2
Switching Capability 


 




Switch Input (Mains) Connections - Not MR3421R2
Terminal type 
Terminal capacity 
Recommended cable 
Max cable length 
Operating voltage 
Power consumption 

Switch Live Output Connections - MR3421R2F only
Terminal type 
Terminal capacity 
Recommended cable 2
Operating voltage 

Power Connections
Terminal type 
Terminal capacity 
Recommended cable 
Max cable length 
Operating voltage 
Quiescent power consumption 
Recommended circuit protection 
Note: In accordance with current wiring regulations a means of disconnection (e.g
switch) must be incorporated into the xed wiring.

/