background image

10

GG-R

Specifications

Input Power: 

+24 VDC, 300mA

Detection Principle:

 Infrared

Detection Method: 

Diffusion

Gases: 

R22, R123, R125a, R134a, R402, R407, R404, R410, 

R434, R448, R507 and many others

Contact Calibration Technologies for other gases.

Ranges:  

0-500 ppm

0-1,000 ppm

0-3,000 ppm

Output Signal: 

Linear 4/20 mA (max input impedance: 700 Ohms

Response Time: 

T

50

 = less than 60 seconds 

T

90

 = less than 90 seconds

Accuracy: 

+/- 2% of full-scale

Resolution: 

1% of full-scale

Zero Drift: 

Less than 1% of full-scale per month, non-cumulative

Span Drift: 

Less than 1% per month, non-cumulative

Linearity:  

+/- 3% of full-scale

Repeatability:  

+/- 1% of full-scale

Temperature Range: 

-50°F to +120°F (-45°C to +49°C)

Humidity Range: 

0% to 100% condensing

Wiring Connections:  

3-conductor, shielded, stranded cable with drain wire: 

Temperatures down to -10°F (max cable run):

1500 ft:18AWG cable (General Cable C2535A or equal)

Temperatures down to -40°F (max cable run):

800 ft: 18AWG cable (General Cable C2535A or equal)

130 ft: 16AWG cable (General Cable C2536A or equal)

1500 ft:14AWG cable (General Cable C2538A or equal)

Temperatures down to -50°F (max cable run):

50 ft: 16AWG cable (General Cable C2536A or equal)

80 ft: 14AWG cable (General Cable C2538A or equal) 

Terminal Block Plug (Field Wiring):  

26-12 AWG, torque 4.5 lbs-in.

Enclosure:  

Injection-molded, NEMA 12 Washdown-Duty, 

polycarbonate sensor housing with hinged lid and 

captive screw.  For non-classified areas.  

Optional 18 GA, NEMA 3RX Washdown-Duty stainless 

steel enclosure with hinged lid and captive screw.  For 

non-classified areas.

Dimensions:  

7.5” high x 6.5” wide x 3.8” deep               

Weight:

  3 lbs

Summary of Contents for GG-R

Page 1: ...Installation and Operation Manual GG R REFRIGERANT SENSOR ...

Page 2: ...ly in the manner described in this manual If the equipment is used in a manner not specified by Calibration Technologies the protection provided by the equipment may be impaired This equipment should be installed by qualified personnel ...

Page 3: ...rade Winds Pkwy Columbia MO 65201 866 394 5861 Sales ctiengineering com www ctiengineering com General description 4 Installation 4 Locating the sensor 4 Installation guidelines 5 Wiring 6 Operation 7 Start up 7 Calibration 7 Zero filter mode 9 Maintenance 9 Specifications 10 Warranty 11 ...

Page 4: ...ther critical sensor circuits and components The output signal is not affected by drastic temperature and moisture variations that occur during washdown defrost cycles etc The circuit board is sealed in potting compound completely protecting sensitive electronic components and copper tracing from corrosion The specially vented chemical resistant polycarbonate enclosure protects the sensor from acc...

Page 5: ... drives and radio repeaters Protect sensor from physical damage forklifts etc If mounting on a wall with studs the mounting screws should be screwed into the studs Mount sensor enclosures through the mounting holes as shown in Figure 1 Use the supplied self tapping screws for mounting on sheet metal surfaces Even though the sensor comes calibrated from the factory it is always a good idea to calib...

Page 6: ...ed copper cable Do not pull sensor wiring with AC power cables This can cause electrical interference If cable runs cannot be made without a splice all splice connections should be soldered Ground the shield at the main control panel Connect the shield wire in the sensor terminal block labeled SHLD Always disconnect power at the controller before performing any wiring at the sensor To maintain NEM...

Page 7: ...pened Make slight adjustments no more than turn of the potentiometer and wait for output response Zero Calibration After the unit is installed and has been powered up for a minimum of 1 hour the unit can be zero calibrated by the following Activate calibration mode by pressing the CAL MODE button green LED will flash Proceed to next step if certain the sensor is in clean air no target gas present ...

Page 8: ...peration mode of the GG R Sensor has an active deadband to eliminate the display of signals within the zero noise of the sensor To change or view the zero filter mode follow the procedure below Press and hold the CAL switch for approximately 4 seconds green LED will blink 4 times per second The red LED will indicate the deadband mode of the sensor Red LED lit for enabled and red LED off for disabl...

Page 9: ...tified calibration gas Calibration kits and replacement cylinders are available from Calibration Technologies All tests and calibrations must be logged Always disconnect power at the controller before performing any wiring at the sensor Sensor Life Expected sensor life of the GG R is seven to ten years Failure of the infrared sensor happens normally when the infrared optics reach the end of their ...

Page 10: ...o 100 condensing Wiring Connections 3 conductor shielded stranded cable with drain wire Temperatures down to 10 F max cable run 1500 ft 18AWG cable General Cable C2535A or equal Temperatures down to 40 F max cable run 800 ft 18AWG cable General Cable C2535A or equal 130 ft 16AWG cable General Cable C2536A or equal 1500 ft 14AWG cable General Cable C2538A or equal Temperatures down to 50 F max cabl...

Page 11: ...uct by and person other than an authorized dealer or contractor or the installation of unapproved parts on the product The obligations set forth in this warranty are conditional on a proper storage installation calibration use maintenance and compliance with the product manual instructions and any other applicable recommendations of CTI b the buyer promptly notifying CTI of any defect and if requi...

Page 12: ...ctiengineering com 866 394 5861 GG R DOC1 1 20190208 ...

Reviews: