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NovaLynx Corporation________________________________________________________________________________ 

 

 

 
210-421x-A 

Page 5 

March 2021 

 

3

 

SPECIFICATIONS 

 

The controller requires a 12V AC or DC power supply. The NovaLynx 

200-WS21P Power Pack

 (sold 

separately) is suitable in most applications, and comes with the proper terminals for easy connection. 

 

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PRE-INSTALLATION CHECKOUT 

The controller can be operated before installation to become familiar with the menus and 
programmable features. You will need a power supply and the controller. The temperature sensor is 
usually connected prior to shipping. Refer to Appendix A for connection points. 

Display

LCD, 2x16 characters, 3x8 mm character size, backlit

Indicators

Green LED - Power, Red LEDs - Alarms

Setup

DIP switch: WIND/TEMP, MPH/KPH, DEG F/DEG C, BUZZER/DISABLE

Programming

Pushbutton: MENU, UP, DOWN, CLEAR, GO

Connections

All user connections 1/4" male spade terminals (connectors supplied)

Relay specifications

Form "C" (SPDT) N.O. and N.C.  Contact rating: 3A @ 24Vdc / 115 VAC 

Alarm ON / OFF delay range

0 to 99 seconds

Timing accuracy

± 2%

Measurement range

-40° to 160° F (-40° to 60° C)

Integration interval

2 seconds

Input Power

12V AC or DC, 150 mA (50 mA when backlight disabled)

Operating temperature

-20°C to +50°C

Mounting

Knock-outs in back surface for screw mounting to a panel

Dimensions

5.12 x 6.25 x 2.95 inch (13.0 x 15.9 x 7.5 cm)

Weight / Shipping

2 lbs (0.91 kg) / 3 lbs (1.4 kg)

Type

Thermistor, 10K ohm @ 25°C ± 3%

Range

-40° to 160° F (-40° to 60° C)

Accuracy

± 1° F (± 0.56° C)

Probe case

Aluminum

Probe dimensions

2" L x 0.25" dia (51 mm L x 6.4 mm dia)

Cable

40 feet (12 m), 2-conductor, 24 AWG, shielded

Type

Precision thermistor, 10k @ 25° C

Range

-40 to 140° F (-40 to +60° C)

Accuracy

±0.3° C

Time constant

60 seconds

Probe case

Stainless steel

Probe dimensions

3" L x 0.375" dia (76 mm L x 10 mm dia)

Cable

40 feet (12 m) 2-conductor, 18 AWG, shielded, direct burial

110-WS-16TWS Water and Soil Temperature Sensor Specification

110-WS-16T Air Temperature Sensor Specification

210-421x-A Dual Setpoint Controller Specification

Summary of Contents for 210-421W-A

Page 1: ...x A User Manual Dual Set Point Temperature Alarm 210 421 A Air Temperature 210 421W A Water Soil Temperature Air Temperature Sensor Water and Soil Temperature Sensor Phone 530 823 7185 Email nova nova...

Page 2: ...ns in the case of delicate or sensitive items If packing facilities are not available take the equipment to the nearest Post Office UPS or other freight service and obtain assistance with the packagin...

Page 3: ...P Button 6 4 2 3 DOWN Button 7 4 2 4 CLEAR Button 7 4 2 5 GO Button 7 4 3 Program Alarm Thresholds 7 4 4 Program Alarm Delays 8 4 5 DIP Switch Settings 8 5 TEMPERATURE SENSOR INSTALLATION 9 5 1 Air Te...

Page 4: ...the unit is programmed by push button controls without the need to connect a computer All set points and the minimum and maximum temperatures are stored in non volatile memory DIP switch settings sele...

Page 5: ...connectors supplied Relay specifications Form C SPDT N O and N C Contact rating 3A 24Vdc 115 VAC Alarm ON OFF delay range 0 to 99 seconds Timing accuracy 2 Measurement range 40 to 160 F 40 to 60 C In...

Page 6: ...tion 4 2 Menu Navigation The programming buttons are below the display 4 2 1 MENU Button Press the MENU button One of three sub menus will be displayed depending on which was viewed last Additional us...

Page 7: ...te to the Temp Alarms menu 1 Press GO until the display shows the operating mode screen see GO Button above 2 Press MENU to bring up one of the three sub menu displays 3 Press UP to reach the Temp Ala...

Page 8: ...creen 4 5 DIP Switch Settings The DIP switches are pre set at the factory and should not need to be adjusted However sometimes during installation they get changed accidentally 1 The Dual Set Point co...

Page 9: ...t is on the underside of the bracket The clamp will provide strain relief for the cable and ensure the sensor will not fall out For Pipe Mounting 1 Remove the U bolt from the mounting bracket 2 Secure...

Page 10: ...AC receptacle for power If the controller is inside a building the sensor cable may need to be routed outside so that the sensor can be exposed ambient air conditions 6 2 Controller Mounting There are...

Page 11: ...of this wire to a good earth ground an electrical box with an earth connection or a metal cold water pipe that actually enters the ground Failure to provide a ground may cause erratic operation and ma...

Page 12: ...u have programmed the temperature alarm to the settings you desire and the temperature alarm system is operating properly before you connect power to your external devices 8 ALARM FUNCTIONS The temper...

Page 13: ...Go PROGRAMMING BUTTONS MODE WIND UNITS TEMP UNITS BUZZER WIND MPH DEG F BUZZ TEMP KPH DEG C SILENT ON OFF Wt Wu Tu Si DIP SETTINGS DUAL SET POINT TEMPERATURE ALARM 210 421 A and 210 421W A Alarms OFF...

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