Watts Tekmar WiFi Snow Melting Control 670 User Manual Download

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Installation Manual

WiFi Snow Melting Control 670

Summary of Contents for Tekmar WiFi Snow Melting Control 670

Page 1: ...Installation Manual WiFi Snow Melting Control 670...

Page 2: ...nce of Operation 33 Snow Melting Overview 33 Melt Automatic Start and Stop 33 Melt EconoMelt 34 Additional Melting Time 34 Melt Automatic Start and Timed Stop 34 Tandem Snow Ice Detection 35 Melt Manu...

Page 3: ...ION a pictorial and or a safety message to identify hazards When you see this symbol alone or with a signal word on your equipment or in this manual be alert to the potential for death or serious pers...

Page 4: ...nsor 082 1 Outdoor Sensor 070 1 screwdriver 1 Application Brochure 670_A 1 Installation and Operation Manual 670_D 1 User Manual 670_U Front View Side View 2 7 8 72 mm 1 2 Knock out x 5 back x 5 botto...

Page 5: ...ip on the base inside the wiring chamber and slide the control upwards Remove the safety dividers from the wiring chamber by pulling them straight out of their grooves There are 10 conduit knock outs...

Page 6: ...ble up to 500 feet 150 m long for the following equipment System pump Boiler pump Heat exchanger on off injection pump Variable speed injection pump To prevent the risk of personal injury and or death...

Page 7: ...nals provided in the enclosure and run the wires from the outdoor sensor to the control Do not run the wires parallel to telephone or power cables If the sensor wires are located in an area with stron...

Page 8: ...on Well If a Universal Sensor is mounted onto 1 25 mm diameter L type copper pipe there is approximately an 8 second delay between a sudden change in water temperature and the time the sensor measures...

Page 9: ...ed wire to terminal 6 Connect the black wire to terminal 7 Connect the blue wire to terminal 8 Connect the yellow wire to terminal 9 A Slab Sensor 072 or 073 can be installed either alone or together...

Page 10: ...ct the Cls terminal 5 to the actuator terminal that rotates the valve close If using a 24 V ac transformer connect the actuator common to the transformer C If using a 120 V or 230 V ac power supply co...

Page 11: ...trol IV tekmar B R W tekmar V9055 B R W Modutrol IV 0 135 Actuating Motor B R W Mod Snow Melting Control 670 Modutrol IV and V9055 are trademarks of Honeywell Inc Wiring to a Modulating Boiler Modutro...

Page 12: ...nnect a wire from terminal 25 to the electrical contactor R Connect a wire from terminal 26 to the electrical contactor C If the heat relay is wired to a 24 V ac on off valve Connect the power source...

Page 13: ...225 107 553 Testing the Control Wiring Remove the front cover from the control Testing the Power Use an electrical meter set to measure ac voltage Measure between the L and N terminals The reading sho...

Page 14: ...ide Off When operating an electric snow melting system the control includes a Test operation where the electrical heating cables can be energized for 10 minutes after which the control resumes normal...

Page 15: ...is shown when the outdoor temperature is below the CWCO setpoint The outdoor temperature is so cold the heating system does not have capacity to melt snow Melt Pending is shown when the system is off...

Page 16: ...list of error codes Help Screen The display includes a Help screen for each setting The Help screen provides a description of the setting that is identical to the description found in the Installatio...

Page 17: ...to Boiler or Boiler Mix 0 to 100 User Installer STAGE 1 Current status of the stage 1 relay Conditions Application mode is set to PWM Zone Mixing Boiler or Boiler Mix On or Off User Installer STAGE 2...

Page 18: ...g or storm setpoints is displayed when no heat is required Conditions Always available 32 to 110 F 0 to 43 0 C Installer SLAB SENSOR Current slab sensor temperature Conditions Snow ice sensor set to I...

Page 19: ...vigation Step 1 Press the Settings button on the Home Screen Step 2 Press one of the ten buttons Step 3 Press up or down buttons to scroll through the list Step 4 Press the highlighted setting name to...

Page 20: ...Conditions Always available 0 30 to 24 00 hours Default 4 00 hours User Installer ADD MELT TIME Select the amount of additional melting time after the Snow Ice Sensor is dry This allows low spots on...

Page 21: ...for 10 seconds allowing the user to wipe the screen with a moist cloth Do not use solvents to clean the screen Conditions Always available N A User Installer Away Select away to prevent snow melting...

Page 22: ...Access TIME SOURCE Select to set to the time automatically or manually Auto is only available when WiFi is set to On Conditions Always available Auto Manual User Installer SET TIME AND DATE Conditions...

Page 23: ...23 of 48 Energy Menu View the snow melting system running hours in the past week View the snow melting system running hours in the past year...

Page 24: ...the lowest measured slab temperature since the counter was last reset Conditions Available when Snow Ice Sensor is set to In slab or Slab Sensor On 58 to 167 F 50 0 to 75 0 C Installer OUTDOOR HIGH Re...

Page 25: ...Available when snow ice sensor is set to None or Aerial Off or On Default Off Installer SLAB PROTECTION Select if a concrete slab should be protected from large temperature differentials to avoid crac...

Page 26: ...iler or Boiler Mix and 2 Boiler Type is set to Mod 30 to 230 seconds Default 30 Installer BOILER DIFFERENTIAL The temperature differential that the control uses to cycle the boiler on and off The diff...

Page 27: ...Mix Floating Injection 0 10 V 4 20 mA Default Floating Installer MIX MOTOR SPEED Set the time that the mixing actuating motor requires to operate from fully closed to fully open Check the mixing actu...

Page 28: ...nd 2 Snow zone is set to 2 through 12 Off or On Installer MELT GROUP A User Switch or Gateway may be used to manually start melting the zone Set the Melt Group number to the corresponding Setpoint Ena...

Page 29: ...e user interface Conditions Always available User or Installer Default Installer User Installer TYPE 670 Product information SW J1254 or J1265 SVN XXX Conditions Always available Last letter indicates...

Page 30: ...ns Available when 1 Application Mode is set to Boiler Boiler Mix and 2 Manual Override is set to Hand Off or On Default Off User Installer BOILER STAGE 2 Manually turn on the boiler stage 2 during the...

Page 31: ...tts Home mobile app from the Apple iTunes Store or from the Google Play Store Add Control to App Step 1 Create a new account Then sign in using your username and password Step 4 Press the Location nam...

Page 32: ...ystem operation status Select between Off and Melt operation Press Bars for settings Swipe left or long hold to edit or remove location Swipe left or long hold to edit or remove device Chart Line Ener...

Page 33: ...d to be increased The default sensitivity setting is Auto This setting allows the control to automatically determine the best suitable sensitivity Push STOP Button 090 or 094 and Slab Dry and Add Melt...

Page 34: ...lab Status menu When the sensor is dry the control will show Sensor Water Status Dry The control includes a Sensitivity setting in the Temperatures menu that allows the installer to adjust the amount...

Page 35: ...et the snow melting zone starts melting The control continues to operate until both sensors are dry This allows snow or ice detection over a wider area In the event of a sensor failure the control con...

Page 36: ...face free of ice rather than free of snow The most common applications include Car wash bays and aprons Aircraft hanger aprons Turf conditioning on golf course greens These systems require the use of...

Page 37: ...ing and allow a lower priority zone to start melting and then a new snow fall occurs the high priority zone will shut off the lower priority zones This may potentially allow the lower priority zones t...

Page 38: ...d when the boiler plant capacity is sized to be the same as the heat loss of each zone at design conditions Hydronic Priority Levels Electric Priority Levels Electric snow melting offers three levels...

Page 39: ...exceed the Melting Setpoint temperature setting by more than 2 F 1 C Manual WWSD The control enters WWSD when the outdoor air temperature exceeds the WWSD setting by 1 F 0 5 C and when the slab tempe...

Page 40: ...Storm operation are not available when a slab sensor is not installed The electric operation requires the installation of an outdoor sensor A slab sensor is highly recommended in order to reduce opera...

Page 41: ...l then allow the boiler to modulate down to the Boiler Minimum Modulation setting and hold it there for the Boiler Modulation Delay time setting After the modulation delay has elapsed the control uses...

Page 42: ...r heat source is shut off and the snow melting system continues to operate for 20 seconds to post purge heat from the boiler to the load Boiler and Mixing Operation The Application Mode should be set...

Page 43: ...tekmarNet menu WiFi MENU SAVE ERROR The control failed to read the WiFi menu settings from memory and has reloaded the factory default settings The control stops operation until all settings in the W...

Page 44: ...Once the error has been corrected the error message automatically clears If the slab sensor has been intentionally removed set the slab sensor setting in the system setup menu to off SLAB SENSOR SHORT...

Page 45: ...factory default settings The control operates with the away scene disabled until all settings in the Scenes menu are checked To clear the error set the access level to Installer and check all setting...

Page 46: ...start System is Off System has been manually stopped and the automatic snow ice sensor never dried thereby preventing the system from automatically starting Cannot register device Check WiFi signal s...

Page 47: ...door use permitted when used in NEMA 3 enclosure Power supply 115 V ac 10 60 Hz 20 VA Relays 230 V ac 5 A 1 3 hp Boiler modulating output 0 10 V dc 500 min impedance 4 20 mA 1 k max impedance Injectio...

Page 48: ...r the cost of the parts or labor to remove or transport the defective Product or to reinstall the repaired or replacement Product all such costs and expenses being subject to Purchaser s agreement and...

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Watts Tekmar WiFi Snow Melting Control 670, Installation Manual

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