tekmar TEK518 Use and Care Manual
Contents
1. If mounting directly to the wall Drill holes and install the wall anchors e Feed the wiring through the large hole in the thermostat base e Fasten the thermostat base to the wall using the wood screws to the wall anchors e Terminate wiring to the wiring strip Push the thermostat front onto the thermostat base A Watts Water Technologies Company 4 of 12 2013 tekimar 518_D 03 13 Thermostat Wiring Zone Valve SE Install field Zone jumper wire Valve Rto Rh Mim 24 V ac Transformer U 009 lt Wiring Center 315 or 316 Optional Slab Sensor 079 j _ Install field jumper wire Optional R to Rh Slab Sensor 079 ite ale sO Wiring Center 315 or 316 O Relay 003 Relay 003 Install field jumper wire Optional R to Rh Slab Sensor 079 nn T a Olas O fT J TT NLG Transformer 115 V ac 009 SS amaaa A Watts Water Technologies Company 5 of 12 2013 tekmar 518_D 03 13 Thermostat Wiring Switching Relay _ TT 0 Optional Slab Sensor 079 i Oe 518 de gt a S1 Com 0 VoD SVS A RWRWRW Zonei Zone2 Zone3 24V con Switching Relay S Zonei Zone2 Zone3 N xX X HN H NH Class 2 Pame ve iz Delve2. Non condensing environment No exposure to extreme temperatures beyond 32 122 F 0 50 C No draft direct sun or other cause for inaccurate temperature readings Away from equipment appliances or other sources of electrical interference Easy access for wiring viewing and adjusting the display screen Approximately 5 feet 1 5 m off the finished floor The maximum length of wire is 500 feet 150 m Strip wire to 3 8 10 mm for all terminal connections Use standard 4 conductor 18 AWG wire Removing The Thermostat B To remove the thermostat base e Locate the tab on the bottom of the thermostat l e Push the tab with either your thumb or with a screwdriver Lift the thermostat front away from the thermostat s base A Watts Water Technologies Company 3 of 12 2013 tekmar 518_D 03 13 Mounting The Thermostat Adapter Plate 012 Thermostat Base Thermostat Front If a single gang box is used e Adapter Plate 012 is required sold separately e Feed the wiring through the hole in the adaptor plate and the thermostat base e Fasten the adaptor plate to the gang box e Fasten the base of the thermostat to the adaptor plate e Terminate wiring to the wiring strip e Push the thermostat front onto the thermostat base Thermostat Base Thermostat Front Cau
3. control Packaged weight 0 53 Ib 240 g Dimensions 3 11 16 H x 3 W x 15 16 D 94 x 76 x 24 mm Enclosure White PVC plastic NEMA Type 1 Approvals Meets Class B ICES amp FCC Part 15 Ambient conditions Indoor use only 32 to 122 F 0 to 50 C RH lt 90 non condensing Power supply 10 to 30 V ac dc 50 60 Hz 1 8 VA standby 56 VA max fully loaded Class 2 Relay 30V ac dc 2 A Class 2 circuits Sensor NTC thermistor 10 KQ 77 F 25 C 0 2 C B 3892 Included None Optional tekmar type 070 072 073 076 077 079 084 A Watts Water Technologies Company 11 of 12 2013 tekmar 518_D 03 13 Limited Warranty and Product Limited Warranty The liability of tekmar under this warranty is limited The Purchaser by taking receipt of any tekmar product Product acknowledges the terms of the Limited Warranty in effect at the time of such Product sale and acknowledges that it has read and understands same The tekmar Limited Warranty to the Purchaser on the Products sold hereunder is a manufacturer s pass through warranty which the Purchaser is authorized to pass through to its customers Under the Limited Warranty each tekmar Product is warranted against defects in workmanship and materials if the Product is installed and used in compliance with tekmar s instructions ordinary wear and tear excepted The pass through warranty period is for a perio
4. vej 1 Pump Testing the Thermostat Wirir Testing the Power If the thermostat display turns on this indicates that the thermostat is operating correctly and there are no electrical issues In the event that the display is permanently off 1 Remove the thermostat front 2 Use an electrical meter to measure voltage between the R and C wiring terminals For AC power supplies the voltage should measure between 10 to 30 V ac For DC power supplies the voltage should measure between 10 to 30 V dc 3 If the voltage on the R and C wire terminations is continuous and the thermostat display is not on the thermostat may have a fault Contact your tekmar sales representative for assistance If the thermostat display intially powers on but later shuts off intermittantly there may be a short circuit from the W wire to ground or the power supply is too small to power the load Testing the Heat Zone Output Wiring 1 Touch the A button and set the heating temperature above the current room temperature Make sure the display does not flash Max if using a floor sensor 2 When the Heat On symbol appears on the display use an electrical meter to check for voltage on the W and C wires connected to the zone valve wiring center relay or switching relay The electrical meter should read 10 to 30 V ac or dc 3 If the W and C wire have voltage check the z
5. L HEALTH OR SAFETY LEGISLATION THE TERM OF ANY OTHER WARRANTY NOT HEREBY CONTRACTUALLY EXCLUDED IS LIM ITED SUCH THAT IT SHALL NOT EXTEND BEYOND TWENTY FOUR 24 MONTHS FROM THE PRODUCTION DATE TO THE EXTENT THAT SUCH LIMITATION IS ALLOWED BY THE GOVERNING LAW Product Warranty Return Procedure All Products that are believed to have defects in workmanship or materi als must be returned together with a written description of the defect to the tekmar Representative assigned to the territory in which such Product is located If tekmar receives an inquiry from someone other than a tekmar Representative including an inquiry from Purchaser if not a tekmar Representative or Purchaser s customers regarding a potential warranty claim tekmar s sole obligation shall be to provide the address and other contact information regarding the appropriate Representative ekm Product design software and literature are Copyright 2013 by tekmar Control Systems Ltd t ar A Watts Water Technologies Company Head Office 5100 Silver Star Road Vernon B C Control Systems Canada V1B 3K4 250 545 7749 Fax 250 545 0650 Web Site www tekmarControls com All specifications are subject 12 of 12 518 D 03 13 LK o change without notice g
6. agreement and warranty with its customers Any representations or warranties about the Products made by Purchaser to its customers which are different from or in excess of the tekmar Limited Warranty are the Purchaser s sole responsibility and obligation Purchaser shall indemnify and hold tekmar harmless from and against any and all claims liabilities and damages of any kind or nature which arise out of or are related to any such representations or warranties by Purchaser to its customers The pass through Limited Warranty does not apply if the returned Product has been damaged by negligence by persons other than tekmar accident fire Act of God abuse or misuse or has been damaged by modifications alterations or attachments made subsequent to purchase which have not been authorized by tekmar or if the Product was not installed in compliance with tekmar s instructions and or the local codes and ordinances or if due to defective installation of the Product or if the Product was not used in compliance with tekmar s instruc tions THIS WARRANTY IS INLIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED WHICH THE GOVERNING LAW ALLOWS PARTIES TO CONTRACTUALLY EXCLUDE INCLUDING WITHOUT LIMITATION IMPLIED WAR RANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE DURABILITY OR DESCRIP TION OF THE PRODUCT ITS NON INFRINGEMENT OF ANY RELEVANT PATENTS OR TRADEMARKS AND ITS COMPLIANCE WITH OR NON VIOLATION OF ANY APPLICABLE ENVIRONMENTA
7. ct your wholesaler or tekmar sales representative for details on repair procedures AUXILIARY SENSOR OPEN CIRCUIT ERROR The auxiliary sensor has an open circuit Check for loose or damaged AUX SENSF iwires Locate and repair the problem as described in the sensor MHEN Installation amp Operation Manual 070_D 079_D The error clears once the auxiliary sensor fault is corrected If the auxiliary sensor was intentionally removed power the thermostat down and up to clear the error AUXILIARY SENSOR SHORT CIRCUIT ERROR The auxiliary sensor has a short circuit Check for damaged wires Locate and repair the problem as described in the sensor Installation amp Operation Manual 070_D 079_D The error clears after the auxiliary sensor fault is corrected A Watts Water Technologies Company 10 of 12 2013 tekimar 518_D 03 13 Frequently Asked Questions Symptom Display powering on and off Look for Corrective Action The power supply transformer may have limited VA capacity A transformer with a larger VA rating is recommended Measure voltage at wiring terminals R and C Thermostat does not heat Thermostat must be in Mode Heat in Mode Off order to provide heating Technical Data Thermostat 518 One Stage Heat Literature 518_C 518_D 518_Q 518_U Control Microprocessor control This is not a safety limit
8. d of twenty four 24 months from the production date if the Product is not installed during that period or twelve 12 months from the documented date of installation if installed within twenty four 24 months from the production date The liability of tekmar under the Limited Warranty shall be limited to at tekmar s sole discretion the cost of parts and labor provided by tekmar to repair defects in materials and or workmanship of the defective product or to the exchange of the defective product for a warranty replacement product or to the granting of credit limited to the original cost of the defective product and such repair exchange or credit shall be the sole remedy available from tekmar and without limiting the foregoing in any way tekmar is not responsible in contract tort or strict product liability for any other losses costs expenses inconveniences or damages whether direct indirect special secondary incidental or consequential arising from ownership or use of the product or from defects in workmanship or materials including any liability for fundamental breach of contract The pass through Limited Warranty applies only to those defective Products returned to tekmar during the war ranty period This Limited Warranty does not cover the cost of the parts or labor to remove or transport the defec tive Product or to reinstall the repaired or replacement Product all such costs and expenses being subject to Purchaser s
9. one valve wiring center relay or pump to determine if the heat device is operating correctly A Watts Water Technologies Company 6 of 12 2013 tekimar 518_D 03 13 User Interface Te ey Floor Hi rT Lt MODE Room off Heat On A lt Symbols Description _ HEAT ON Heat is turned on MIN The floor is at or below the MIN floor minimum temperature Heat On MODE MODE OFF Off The heating system is off MAX MAX The floor has reached the WARNING SYMBOL floor maximum temperature Indicates an error is present A Watts Water Technologies Company 7 of 12 2013 tekmar 518_D 03 13 Sequence of Operation Heating Operation To change the heat temperature setting push the A or V button to select a preferred temperature setting The Heat On symbol is shown on the display when the thermostat is heating The heat can cycle on and off within 1 5 F 1 C of the temperature setting The floor and air heating can be shut off by holding the Y button until Set Room is Off To resume heating when the Mode is Off press the A button to navigate to the Mode setting then press the A button to select Mode Heat The thermostat will resume heating at the last previously set temperature Air Temperature Only If there is only an air temperature sensor no floor sensor the thermostat operates to control your desired air temperature Floor Temperatu
10. r is on or off ae The built in room sensor can only be disabled when an an HIN auxiliary room or slab sensor is connected Range ON or OFF Default ON SET FLOOR MAXIMUM Set the floor maximum temperature in order to protect the SET FLOOR floor covering Suggested settings Tile 90 F 32 C 7 AS Wood Floor 85 F 29 C Range 40 to 122 F 4 5 to 50 0 C OFF Default 85 F 29 5 C Release the A and V buttons to return to the home screen A Watts Water Technologies Company 9 of 12 2013 tekmar 518_D 03 13 Troubleshooting Error Messages Error Message Description SETUP MENU SAVE ERROR SETUP The thermostat failed to read the Programmable Settings from memory E rr and has reloaded the factory default settings The thermostat stops normal operation until all Programmable Settings are checked except to provide freeze protection ROOM SENSOR OPEN CIRCUIT ERROR SENSOR The built in air temperature sensor has an open circuit fault Do not AE N confuse this error with the auxiliary room sensor short circuit error This error cannot be field repaired Contact your wholesaler or tekmar sales representative for details on repair procedures ROOM SENSOR SHORT CIRCUIT ERROR SENSOR The built in air temperature sensor has a short circuit fault Do not GHE T confuse this error with the auxiliary room sensor short circuit error Room This error cannot be field repaired Conta
11. re Only If the air sensor has been disabled the thermostat will only maintain floor temperature and ignore air temperature This operation is recommended for areas such as bathrooms to ensure that tile floors are warm to the touch Floor and Air Temperature If the air sensor is turned on and a floor sensor is connected the thermostat will maintain the desired air temperature as well as a minimum floor temperature This operation is recommended for areas with large windows that allow the sun to shine into a room and keep it warm without the need for heat This can allow the floors to cool off during the afternoon When the sun goes down it can take a long time for the floors to get warm again This may cause the room to cool off too much in the early evening A floor minimum setting can help with this condition by maintaining a floor minimum temperature Keep in mind the floor minimum temperature will override the air temperature and if set too high may overheat the room This operation is also recommended for rooms with hardwood floors Setting floor minimum and maximum temperatures is a way of enhancing the comfort of the living space while protecting floor coverings Lge 90 F 32 C Suggested maximum for all floor Feels hot to the touch types other than wood 80 to 85 F 26 to 30 C Bathrooms and kitchens Suggested Feels warm to the touch maximum for wood floors 70 F 21 C Rooms with large windows preventing Feels cool
12. secscsswsssions 11 User IMtorfa Geseis 7 Limited Warranty and Product Home Screen ssccsssececsesessesessenes 7 Return Procedure s0ctccssn 12 Symbols Description eeee 7 Getting Started Congratulations on the purchase of your new tekmar thermostat This manual will step through the complete installation programming and sequence of operation for this control At the back there are tips for control and system troubleshooting Installation Caution Improper installation and operation of this control could result in damage to the equipment and possibly even personal injury or death It is your responsibility to ensure that this control is safely installed according to all applicable codes and standards This electronic control is not intended for use as a primary limit control Other controls that are intended and certified as safety limits must be placed into the control circuit Preparation Tools Required e tekmar or jeweller screwdriver e Wire Stripper e Phillips head screwdriver A Watts Water Technologies Company 2 of 12 2013 tekmar 518_D 03 13 Materials Required e 18 AWG LVT Solid Wire Low Voltage Connections Installation Location Choose the placement of the thermostats early in the construction process to enable proper wiring during rough in Consider the following Interior Wall Keep dry Avoid potential leakage onto the control Relative Humidity less than 90
13. tekmar Thermostat 518 Zoning Replaces New Installation amp Operation Manual Introduction The Thermostat 518 accurately controls the room temperature for a hydronic heating Energy Saving Features zone using Pulse Width Modulation PWM e Auto Heating Cycle technology Simple up and down buttons and a display with large type make this thermostat easy to read and use The 518 automatically detects a single auxiliary sensor to measure either outdoor floor or remote room temperature This easy to install thermostat is a direct replacement for tekmar Thermostats 507 and 508 ge eee Additional Features tekmar Radiant Floor Heating e Pulse Width Modulation J e Auxiliary Sensor Input r o e Outdoor amp Floor Temperature 1i 1 Display IL Backlight Poom e Freeze Protection S d A Watts Water Technologies Company 1 of 12 2013 tekmar 518_D 03 13 Table of Contents Getting Started ee eeeeeeeeee 2 Sequence of Operation 8 Installation escectecrrzaeecasancieitdacdeadedanueics 2 Heating Operation 8 Preparato saarnia 2 Programmable Settings e 9 Removing The Thermostat Base 3 Troubleshooting cccccseeeeeeeees 10 Mounting The Thermostat 4 Error Messages sssssseseeeseeee 10 Thermostat Wiring eceee 5 Frequently Asked Questions 11 Testing the Thermostat Wiring 6 Technical Data csscciccsssc
14. to the touch under heating in the evening 40 to 45 F 5 to 7 C Feels cold to the touch Freeze protection for garages A Watts Water Technologies Company 8 of 12 2013 tekimar 518_D 03 13 Programmable Settings User settings Press the A and V buttons together for 3 seconds to enter and advance to the next setting MODE MODE Select heat or off HEAT Range HEAT OFF Default HEAT UNITS UNITS Select the temperature units F Range F or C Default F LIGHT LIGHT Select when the display back light should operate Auto l TQ operates the backlight for 30 seconds after a keystroke a Range OFF AUTO ON Default AUTO SET FLOOR Set the floor minimum temperature Available when an SET FLOOR auxiliary floor sensor is connected and the built in room Te sensor is on Range OFF 40 to 122 F 4 5 to 50 0 C Default 72 F 22 0 C TYPE TYPE Device Type number Hold the A button to view the 5 H software version ESCAPE z Release the A and V buttons to return to the home screen ESCAPE Installer settings Press the A and V buttons together for 5 more seconds AUXILIARY SENSOR RUX SENSR Select the type of auxiliary sensor Available when an auxiliary i WO VE sensor is automatically detected Range NONE no auxiliary sensor ROOM Indoor Sensor FLOR Slab Sensor OUT Outdoor Sensor Pree A ROOM SENSOR ie Select if the built in room temperature senso
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