Tekmar 664 Snow Detector & Melting Control Installati Manual do Utilizador Página 1

1 of 36 © 2009 D 664 - 07/09- Data BrochureSnow Detector & Melting Control 664D 66407/09The Snow Detector and Melting Control 664 is desig

10 of 36© 2009 D 664 - 07/09Remote Start / Stop Module 039The snow melting system is enabled by pressing the button on the front of the 039. Whi

11 of 36 © 2009 D 664 - 07/09Section D2: Snow Melting DisableThe snow melting system can be disabled manually or automatically. A melting dis

12 of 36© 2009 D 664 - 07/09Section E: Melting OperationSection E1 General Melting OperationSection E1: General Melting OperationThe Snow Detect

13 of 36 © 2009 D 664 - 07/09ADDITIONAL MELTING TIME (ADD MELT)In cases where areas of the snow melting system haven’t completely melted afte

14 of 36© 2009 D 664 - 07/09Section F: Idling OperationSection F1 General Idling OperationSection F1: General Idling OperationWhen the snow melt

15 of 36 © 2009 D 664 - 07/09InstallationCAUTIONImproper installation and operation of this control could result in damage to the equipment a

16 of 36© 2009 D 664 - 07/09Melt / Idle DemandTo generate a melt demand or idle demand, a voltage between 24 V (ac) and 230 V (ac) must be

17 of 36 © 2009 D 664 - 07/09Mixing Valve ActuatorIf a mixing valve is used, connect one side of the 24 V (ac) power to the Pwr Mix terminal

18 of 36© 2009 D 664 - 07/09EITHER: Snow / Ice Sensor 090 (Zone 1)If a Snow / Ice Sensor 090 is used, connect the red wire from the sensor cable

19 of 36 © 2009 D 664 - 07/09 Test The Power SupplyMake sure exposed wires and bare terminals are not in contact with other wires or grounde

2 of 36© 2009 D 664 - 07/09Table of ContentsDIP Switch Settings ...Pg 20 Access Levels ...

20 of 36© 2009 D 664 - 07/094–20 mA DeviceThe 4–20 mA output terminals (1 and 2) can not be tested without power applied to the control. Since n

21 of 36 © 2009 D 664 - 07/09Access LevelsThe tekmar Snow Detector and Melting Control 664 comes with four Access Level settings. These Acces

22 of 36© 2009 D 664 - 07/09 Outdoor Current outdoor air temperature as measured by the outdoor sensor. -67 to 149°F(-55 to 65°C)E1Slab 1 Target

23 of 36 © 2009 D 664 - 07/09Item FieldAccessLevelDescriptionRangeActual SettingSectionLTDUSERINSTADV664 Adjust Menu (1 of 3) B1Run Time The

24 of 36© 2009 D 664 - 07/09E1Melt 2 The desired slab surface temperature of zone 2 while in the Melting mode.Zone 2 = AUTO32 to 95°F(0 to 35°C)

25 of 36 © 2009 D 664 - 07/09B1∆T Maximum The maximum ∆T for the snow melting system.PRIORITY ≠ NONE10 to 70°F, OFF(5 to 39°C, OFF)Default =

26 of 36© 2009 D 664 - 07/09664 Monitor Menu (1 of 2)Outdoor High The highest recorded outdoor air temperature since this item was last cleared.

27 of 36 © 2009 D 664 - 07/09664 Monitor Menu (2 of 2)Item Field DescriptionRangeAccessLevelLTDUSERINSTADVBoiler 1 Fire The total number of r

28 of 36© 2009 D 664 - 07/09664 Schd (Schedule) Menu (1 of 1)Item Field DescriptionRangeAccessLevelLTDUSERINSTADVOverride The setback override

29 of 36 © 2009 D 664 - 07/09The Snow Detector and Melting Control 664 has a built-in test routine which is used to test the main control fun

3 of 36 © 2009 D 664 - 07/09DisplaySymbol DescriptionOpen / CloseDisplays when the actuator is opening or closing the mixing valve.Lock / Unlo

30 of 36© 2009 D 664 - 07/09When troubleshooting any heating system, it is always a good idea to establish a set routine to follow. By following

31 of 36 © 2009 D 664 - 07/09664 Error Messages (1 of 3)Error DisplayedDescription of ErrorThe control was unable to store a piece of informa

32 of 36© 2009 D 664 - 07/09The control is no longer able to read the mixing supply sensor due to an open circuit. In this case, the control doe

33 of 36 © 2009 D 664 - 07/09The control is no longer able to read the water detection circuit due to an open circuit. In this case, if the c

34 of 36© 2009 D 664 - 07/09Notes

35 of 36 © 2009 D 664 - 07/09Notes

Technical Data 36 of 36Product design, software and literature are Copyright © 2009 by:tekmar Control Systems Ltd. and tekmar Control Systems, Inc.Al

4 of 36© 2009 D 664 - 07/09Sequence of OperationSection AGeneralOperationPage 4 - 5Section BSnowMeltingPage 5 - 7Section CBoilerOperationPage 7 -

5 of 36 © 2009 D 664 - 07/09Section B1: General Snow MeltingSLAB PROTECTION (∆T MAX)The control can limit the rate at which heat is applied to

6 of 36© 2009 D 664 - 07/09SOFT STARTWhen the control starts applying heat to the slab, the supply temperature to the snow melting system is ramp

7 of 36 © 2009 D 664 - 07/09• DET The word DET is displayed after the snow melting system has been automatically enabled by the Snow / Ice Se

8 of 36© 2009 D 664 - 07/09STAGINGThe 664 controls up to two stages in order to supply the required temperature. After the first stage is turned

9 of 36 © 2009 D 664 - 07/09NO BOILER SENSOR (Boil SENS = NONE)The 664 is capable of operating without a boiler sensor if desired. Without a b