OJ Electronics WLM3, WLTA3, WLTD3, WLDT3, WLCT3 Installation Quick Manual
WLDT3
WLM3
WLCT3
WLTD3
WLTA3
Installation Quick Guide
www.ojelectronics.com
67347 02-15 (HKT)
2
© 2015 OJ Electronics A/S
Installation Quick Guide ............................................................................................................ Page 3
Setting up the system .............................................................................................................. Page 5
Wireless system only ............................................................................................................... Page 5
Testing the system .................................................................................................................. Page 6
Troubleshooting ..................................................................................................................... Page 7
CONTENTS
QUICK GUIDE
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© 2015 OJ Electronics A/S
We recommend that the zone chart on the back page of the user manual be filled in before
commencing installation. This will identify the piping circuits to specific rooms and enable the correct
allocation of channel numbers in the WLM3 system.
Mount the master and any AO module correctly on the wall in accordance with electrical regulations.
Connect the AO module using the special cable included in the box.
Mount the room sensors/controllers in the rooms, and set their channel selectors to correspond to the
number of the actuator controlling the room concerned.
With hardwired room sensors/controllers, connect the 2-wire bus to the master or AO module,
maintaining continuity of positive (+) and negative (-) connections.
If the room sensors/controllers are of wireless type, connect the receiver (WLRC3) using the special
cable included in the box.
NB: For room sensors/controllers with floor temperature limitation sensors, please refer to the
separate instructions included with the unit.
INSTALLATION QUICK GUIDE
A
B
D
C
QUICK GUIDE
This Quick Guide is for reference only and is not suitable for networked installations.
For full installation details, please refer to the full Installation Manual.
BR1025A15a
© 2015 OJ Electronic A/S
WLM3-BA/FS Master
WLM3-AO Module
BR1025A15a
BR1025A04a
© 2015 OJ Electronic A/S
WLM3 - Master
WLRC3
BR1025A04a
BR1025A05a
© 2015 OJ Electronics A/S
Channel 1
Manifold
Actuator 1
Actuator 2
Actuator x
Channel
selector
-GB
Jumper
BR1025A05a BR1025A16a
BR1025A16a
© 2015 OJ Electronic A/S
WLM3-BA/FS Master
WLM3-AO Module
AO Module Cable
With wireless room controllers/sensors, remove the front cover and before mounting the unit but do
not remove the plastic battery pull tab. Complete wireless setup before removing the plastic battery
pull tab and refitting the front cover.
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© 2015 OJ Electronics A/S
Connect the actuators to the channel outputs on the master in accordance with the pipe manifold
layout (see the zone chart).
Connect actuator no. 1 on the manifold to output no. 1 on the master.
Connect actuator no. 2 on the manifold to output no. 2 on the master.
etc.
Outdoor compensation module WLOC3 (FS masters only)
Install on wall facing away from direct sunlight.
Connect to 2-wire room sensor bus or direct to master, maintaining continuity of positive (+) and
negative (-) connections.
Connect 230V AC power supply, UFH circulating pump and boiler in accordance with
electrical regulations. (With FS masters, connect the mixing valve and supply water
temperature sensor.)
F
G
E
BR1025A17a
© 2015 OJ Electronic A/S
WLM3 - Master
Manifold
Actuator 1
Actuator 2
Actuator x
-GB
Thermal
Actuators
BR1025A17a
BR1025A13a
© 2015 OJ Electronic A/S
WLOC 3
Master
BR1025A13aBR1025A23a
WLM3 MASTER
BR1025A23a
© 2015 OJ Electronic A/S
-GB
FLOW DIAGRAM
Power
supply
Mixing Valve
Actuator
Main pump
Secondary pump
BOILER
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