OJ Electronics WLM2, Installation Manual

Page 1: ...p 1 Installation Manual WLM2 WLTA WLTD WLTP WLCT www oj dk 57641 01 08 LJE...

Page 2: ...26 Factory default settings Page 27 Error indication Page 28 Add On Module Page 31 Con guring the Total System Page 31 Outdoor Compensation Module Page 32 Introduction Page 32 Mounting Page 32 Bus con...

Page 3: ...s controllers in the rooms and set the channel switches to correspond with the number of the actuator controlling that room For hardwired Room sensors controllers now connect the 2 wire bus to the mas...

Page 4: ...fold to output no 2 on the master etc Outdoor module WLOC 19 FS Master only Install on north facing wall away from direct sunlight Connect into 2 wire Room sensor bus or direct to master maintaining c...

Page 5: ...channel Room sensor should be controlled by the WLCT room controller or OFF if not Now press OK button to get to the next channel CH 2 and repeat this step until all required channels have been select...

Page 6: ...ortant If the Room sensor is of a wireless type a delay of up to 5 minutes may occur before the channel light becomes illuminated 7 Check that the UHF pump is running and the mixing valve only FS mast...

Page 7: ...out of position try rotating and the set it again Channel light is not coming on When in Learn mode When in Install mode when the Room sensor is activated set to maximum Master is not in install mode...

Page 8: ...tall mode is not activated Attached device may be faulty Timing sequence delay is activated FS master only mixing valve not open above 20 No heat demand from Room sensors Master is in cooling mode LED...

Page 9: ...room temperature above the desired setting Solar gain or extraneous heat source Room is too cold After running for at least 48 hours The Room sensor is placed in a position that does not represent the...

Page 10: ...INSTRUCTIONS WLM Under oor Heating Controller BR965A30b p 10...

Page 11: ...p 11...

Page 12: ...p 12...

Page 13: ...LM2 1AO Add on module for 6 zones 24V WLM2 3AO TECHNICAL DATA Power Supply 230V AC 10 15 50 HZ Max load pumps and Thermal actuators 10A Boiler relay Volt free signal Max 4A Main pump free relay Volt f...

Page 14: ...one or more loops of piping with one or more thermal actuators These zones are referred to later in this instruction as channels 1 to 8 If you wish to control more than 8 zones it is necessary to inst...

Page 15: ...connected to the terminals marked L N E Electrical Installation Boiler Demand The master has a volt free relay output that can be used to control a boiler or to open a motorised valve A To control a...

Page 16: ...180 sec delay when any connected room sensor calls for heat The delay is to allow time for the thermal actuator to start opening The 230v AC pump can be connected directly to terminals L and N under t...

Page 17: ...r to be in the wrong position on the manifold it may be simpler to change them on the manifold rather than reconnecting them on the master Thermal Actuators Thermoheads p 17 The X relay output is volt...

Page 18: ...m with a maximum length of 100mbetween any 2 Room sensors Remember to connect to and to Fig 7 From factory the master is delivered with a jumper in the switch timer terminals I O The day temperature s...

Page 19: ...On master switch on DIP 3 to activate learn mode 2 All wireless Room sensors controllers now have to be initialized Room sensors WLTA WLTD WLTM WLTP by pressing the internal init button Button learnin...

Page 20: ...trol will work according to the average temperature of both Room sensors Channel 0 Each Room sensor is delivered with the switch in position 0 ensuring that it must be set to operate correctly Channel...

Page 21: ...ed to the system the master will vary the supply water temperature setting based on the outdoor temperature A standard compensation curve has been programmed at the factory If needed the curve can be...

Page 22: ...ould be set in sequence from 1 to 9 On the second string of masters all left hand encoders should be set to 2 and the right hand encoders again should be set in sequence from 1 to 9 This numbering can...

Page 23: ...oors of the building Where more than one humidity sensor is used the master will take the reading of the sensor detecting the highest humidity level for the controlling action If a dehumidi er is bein...

Page 24: ...the corresponding number Note When the WLCT R calls for heat it does not start the circulation pump on the under oor heating system 2 step heating It is possible to control a of a secondary heat sour...

Page 25: ...hing in the display The commissioning function time periods are paused if the power supply is interrupted Should you need to restart the commissioning from the beginning switch DIP 4 to OFF and back t...

Page 26: ...uators should now be off 6 Turn the temperature setting on the adjustable sensor controller in room 1 to maximum The red channel 1 light should be lit and the actuator on output nr 1 will be activated...

Page 27: ...Limit temp low Max water temperature Weather compensation Cold winter Weather compensation Warm summer Outdoor temperature water temperature Outdoor temperature water temperature Factory setting Own s...

Page 28: ...system E3 3 ashes Application sensor defect The fault is corrected by changing the temperature sensor If the sensor has been removed deliberately to change the operation of the system follow the HARD...

Page 29: ...output Check AREA setting on the room controllers RESET There are 2 different reset actions that can be used RESET If the button is pressed for 5 seconds a HARD RESET will be initiated Indicated by a...

Page 30: ...ction on the master module allows the whole system to be changed from the DAY Setpoint to the NIGHT Setpoint The external switch must have volt free contacts that are OPEN for NIGHT Setpoint and CLOSE...

Page 31: ...channels 1 to 8 If you wish to control more than 8 zones it is necessary to install an ADD ON AO modules each of which can provide another 6 outputs The rst AO module then controls channels 9 to 14 Co...

Page 32: ...on cable minimum 2 x0 25 mm2 can be used The outdoor compensation module can be connected in the conventional star wiring format or in a bus connected mode Daisy chain The master has 4 sets of termina...

Page 33: ...dule and receiver can be made in either a daisy chain or in parallel WLRC 19 Receiver Connect the receiver to the master and the system will recon gure itself for wireless operation Technical Data Sup...

Page 34: ...temperature or 4 C in different rooms giving a possible room setpoint of 18 to 26 C The room controller can be programmed to work at different temperatures during the day allowing lower temperatures...

Page 35: ...ess OK button Then press the UP or DOWN button to select the correct day and press OK button First time power is connected the clock and day will be flashing and must be set If you need to adjust the...

Page 36: ...K button twice Permanent override During holidays the scheduled 4 event program can be overridden Press the OK button and then the UP or DOWN button until the override temperature is set The set tempe...

Page 37: ...WN button Press OK to con rm The temperature is now displayed Change this to 25 C with the UP or DOWN button Press OK button to con rm This action can now be repeated for the second third and fourth e...

Page 38: ...indicated by Code 4 52 4 events 6 days 2 events 1 days indicated by Code 4 61 0 7 4 e d o C y b d e t a c i d n i s y a d 7 s t n e v e 4 0 7 2 e d o C y b d e t a c i d n i s y a d 7 s t n e v e 2 2...

Page 39: ...room sensors with limit sensor type WLTD 19 which are part of the area allocated to the WLCT unit SCAL Time and temperature scale selection The maximum allowable floor temperature setting is shown Use...

Page 40: ...umber of any room sensor is determined by the numbered output on the master control which is actually switching the valve actuator for that area For example a system may have the kitchen room sensor o...

Page 41: ...rea 4 event time and temperature Day 1 5 06 00 Time Temperature 08 00 16 00 22 30 08 00 23 00 27 C 4 52 4 event sequence Day 6 7 21 C 19 C 22 C 17 C 22 C 17 C Factory settings Factory reset High limit...

Page 42: ...Room sensors type WLxx that are suitable for 2 wire communication can be used Standard installation cable minimum 2 x 0 25 mm2 can be used The Room sensors can be connected in the conventional star wi...

Page 43: ...om sensors Channel 0 Each Room sensor is delivered with the switch in position 0 ensuring that it must be set to operate correctly Channel 0 can also be used for a Room controller controlling a group...

Page 44: ...temperatures is done by either connecting a separate timing device to the master or using a WLCT Room controller and allocating other Room sensors as part of its group It is possible to have two or mo...

Page 45: ...and should always be within the heated area For easy replacement we recommend that all oor sensors are mounted in a tube which is placed between 2 heating pipes The inner end of the tube should be se...

Page 46: ...3B DK 6400 S NDERBORG DENMARK T 45 73 12 13 14 F 45 73 12 13 13 OJ OJ DK WWW OJ DK OJ ELECTRONICS UK CRUSADER PARK WARMINSTER WILTSHIRE BA12 8SP UNITED KINGDOM T 44 01985 213 003 F 44 01985 213 310 SA...