Tekmar 662 Snow Detector & Melting Control Manual de usuario Pagina 1

Snow Detector & Melting Control 662Floating / Variable Speed / 4-20 mATestDo not apply power here H11002PowerRemoteItemMax. Supply30130 sec230Moto

10Closing on — % Output DecreasingAfter the Opening relay has turned off, the “Closing” light and relay turnon and the LCD flashes between "CLS&q

11090 YELLOW SENSOR – SHORT CIRCUITCheck the 090 yellow temperature sensor (black and yellow wires, terminals 19 &21), and the wiring from the ter

12The installer must ensure that this control and its wiring are shielded from strong sources of electromagnetic noise. Conversely, this electroniccon

2In order for this control to operate effectively, it must be installed in a well designed melting system. The Application Brochures A 662provide a se

3Warm Weather Cut Off (WWCO)If the “Slab” and “Outdoor” temperatures rise above the “Melting” temperature, heating the slab isno longer required. The

4Step Four Electrical connections to the controlPower and output connections• The installer should test to confirm no voltage is present at any of th

5Sensor and unpowered input connectionsPower should never be applied to these terminals. Damage to the control will result.Snow/Ice Sensor 090 (Must

6Step Five Testing the wiring• Before applying power to the control for testing, each terminal plug must be unplugged from itsheader on the control. P

7Melting Surface TemperatureThe “Melting” dial setting is the desired slab surface temperature when the control is in melting mode and isalso used as

8• Outdoor temperature is the temperature measured by the Outdoor Sensor 070.• Slab Surface temperature is the temperature of the slab surface as meas

9Indicator lightsPower light on • The 120 V ac power supply is connected and the control is energized.Remote light on • The remote enable input is act