Tekmar 667 Snow Detector & Melting Control Installati Manuel d'utilisateur

1 of 32 © 2009 D 667 - 03/09- Data BrochureSnow Detector & Melting Control 667D 66703/09The Snow Detector & Melting Control 667 is a m

10 of 32© 2009 D 667 - 03/09External Melt Demand (DIP switch set to Melt Demand)The snow melting system is enabled when a voltage between 24 and

11 of 3 2 © 2009 D 667 - 03/091516Melt / IdleDemand24 to 230 V (ac)LNIdle DemandMelt DemandExternal Idle Demand (DIP switch set to Idle Deman

12 of 32© 2009 D 667 - 03/09Snow / Ice Sensor 090The slab temperature is displayed as SLAB in the VIEW menu. This temperature is calculated from

13 of 32 © 2009 D 667 - 03/09Section G: Δ T Hours (Relative Energy Usage)Section G1 ΔT HoursSection G1: Δ T HoursThe control records the temp

14 of 32© 2009 D 667 - 03/09InstallationCAUTIONImproper installation and operation of this control could result in damage to the equipment and p

15 of 32 © 2009 D 667 - 03/09Melt / Idle DemandTo generate a melt demand or idle demand, a voltage between 24 V (ac) and 240 V (ac) must be a

16 of 32© 2009 D 667 - 03/0913Com14Out Sensor and Unpowered Input ConnectionsDo not apply power to these terminals as this will damage the cont

17 of 32 © 2009 D 667 - 03/09tekmar Net™ (tN2) DeviceA Remote Display Module (RDM) 040 or Remote Start / Stop Module 039 can be connected to

18 of 32© 2009 D 667 - 03/09System Pump (System Pmp 2)If a pump is connected to the System Pmp 2 terminals (17 and 18), make sure power to the p

19 of 32 © 2009 D 667 - 03/09LOCK / UNLOCK (FACTORY SETTING IS UNLOCK)The Lock / Unlock DIP switch is used to lock and unlock the access leve

2 of 32© 2009 D 667 - 03/09Table of ContentsDIP Switch Settings ...Pg 18 Access Levels ...

20 of 32© 2009 D 667 - 03/09 Outdoor Current outdoor air temperature as measured by the outdoor sensor. -67 to 149°F(-55 to 65°C)E1Slab Target S

21 of 32 © 2009 D 667 - 03/09Item FieldAccessLevelDescriptionRangeActual SettingSectionLTDUSERINSTADV667 Adjust Menu (1 of 2)B1Run Time The t

22 of 32© 2009 D 667 - 03/09C1Differential The differential for the snow melting system.Boil SENS = SUPAUTO, 2 to 42°F(AUTO, 1 to 23°C)Default

23 of 32 © 2009 D 667 - 03/09667 Monitor Menu (2 of 3)Item Field DescriptionRangeAccessLevelLTDUSERINSTADVSlab Low The lowest recorded temper

24 of 32© 2009 D 667 - 03/09667 Schd (Schedule) Menu (1 of 1)Item Field DescriptionRangeAccessLevelLTDUSERINSTADVOverride The setback override

25 of 32 © 2009 D 667 - 03/09The Snow Detector & Melting Control 667 has a built-in test routine which is used to test the main control f

26 of 32© 2009 D 667 - 03/09When troubleshooting any heating system, it is always a good idea to establish a set routine to follow. By following

27 of 32 © 2009 D 667 - 03/09667 Error Messages (1 of 3)Error DisplayedDescription of ErrorThe control was unable to store a piece of informa

28 of 32© 2009 D 667 - 03/09The control is no longer able to read the mixing supply sensor due to an open circuit. In this case, the control doe

29 of 32 © 2009 D 667 - 03/09The control is no longer able to read the water detection circuit due to an open circuit. In this case, if the c

3 of 32 © 2009 D 667 - 03/09DisplaySymbol DescriptionMixing Device Output ScaleShows output of injection pump. Arrows show whether the output

30 of 32© 2009 D 667 - 03/09Notes

31 of 32 © 2009 D 667 - 03/09Notes

Technical Data 32 of 32Product design, software and literature are Copyright © 2009 by:tekmar Control Systems Ltd. and tekmar Control Systems, Inc.Al

4 of 32© 2009 D 667 - 03/09Sequence of OperationSection AGeneralOperationPage 4 - 5Section BSnowMeltingPage 5 - 7Section CBoilerOperationPage 7 -

5 of 32 © 2009 D 667 - 03/09Section B1: General Snow MeltingSLAB PROTECTION (ΔT MAX)The control can limit the rate at which heat is applied to

6 of 32© 2009 D 667 - 03/09COLD WEATHER CUT OUT (CWCO)Maintaining the system at either the melting or idling temperature during extremely cold te

7 of 32 © 2009 D 667 - 03/09Section C: Boiler OperationSection C1: Boiler Supply SensorSection C1Boiler SupplySensorSection C2Boiler ReturnSen

8 of 32© 2009 D 667 - 03/09Section C3: No Boiler SensorNO BOILER SENSOR (Boil SENS = NONE)The 667 is capable of operating without a boiler sensor

9 of 32 © 2009 D 667 - 03/09Section D: Melting Enable / DisableSection D1Snow MeltingEnableSection D2Snow MeltingDisableSection D1: Snow Melti