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SHERLOCK

102/202 REFRIGERANT MONITOR

Operations Manual

Part # 44-0297

1040 FOX CHASE INDUSTRIAL DR

TEL: 636-282-0011

ARNOLD, MO 63010

FAX:636-282-2722

EMAIL:[email protected]
WEB:WWW.GENESIS-INTERNATIONAL.COM

GENESIS INTERNATIONAL, INC.

Summary of Contents for SHERLOCK 102

Page 1: ...IGERANT MONITOR Operations Manual Part 44 0297 1040 FOX CHASE INDUSTRIAL DR TEL 636 282 0011 ARNOLD MO 63010 FAX 636 282 2722 EMAIL MAIL GENESIS INTERNATIONAL COM WEB WWW GENESIS INTERNATIONAL COM GENESIS INTERNATIONAL INC ...

Page 2: ...Output 12VDC 23 Alarm Relay Outputs 23 Optional Aux Zone Isolation Alarm Relays 24 Alarm Components Basic Wiring 24 6 HELPFUL HINTS AND STARTUP GUIDE 25 7 KEYPAD BUTTON DESCRIPTION 26 8 DEFAULT SCREEN RESPONSE TO ALARM 27 9 MENU STRUCTURE Access Menu 28 Status Menu 29 30 Alarm Log Menu 31 Setpoint Menu 32 33 Calibration Menu 34 System Config Menu 35 36 Set Time Menu 38 Test Menu 39 10 MAINTENANCE ...

Page 3: ...44 00 0297 SHERLOCK102 202 REV 4 1 05 02 15 4 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 4: ...CUITS BEFORE OPENING ENCLOSURE DOOR AND PERFORMING SERVICE CAUTION RISK OF ELECTRIC SHOCK RELAY CONTACTS MAY BE ELECTRIFIED ALTHOUGH CONTROL POWER TO PANEL IS SHUT OFF ENSURE THAT ALL POWER IS DISCONNECTED BEFORE OPENING ENCLOSURE DOOR AND PERFORMING SERVICE CAUTION IMPROPER CONNECTION OF EXTERNAL DEVICES MAY RESULT IN DAMAGE TO CONTROL SYSTEM ...

Page 5: ...checked for accuracy However due to new technology being made available some changes may have been implemented to the control but not necessarily to this manual If you have any questions regarding any discrepancies please call Genesis customer service for clarification ...

Page 6: ...ogen strikes the filament it displaces an oxy gen molecule thus increasing the resistive value of the filament This change in resistance is processed by the sensor circuitry to produce an analog output signal which sent to the Control Module as the sensor reading Sensors are available in configurations that detect refrigerant gases by class CFC HCFC HFC and Ammonia These sensors produce a non line...

Page 7: ...CHED The relays can also be programmed so the alarm is latched ON until the alarm is manually reset The relays can be configured so the relays are Energized to Alarm where the C NC contacts open on alarm or De Energized to Alarm where the relay is energized during normal operations and the C NC contacts close on alarm Zone isolation Alarm Relays Factory Installed Option Optional zone isolation ala...

Page 8: ...rosion windblown dust and rain splashing water and hose directed water Power Input 100 to 250 VAC 50 60 Hz 0 8 Amp Inputs Up to two Refrigerant Sensors or One Refrigerant Sensor and or One Oxygen Depletion Sensor Outputs Four 4 SPDT 250V AC 30V DC 5 0 Amp Alarm Relays Optional Zone Isolation Alarm Relays Optional 4 20mA Analog Signal Optional RS 485 for GenCom or Modbus Setback 24 Hour Time Clock ...

Page 9: ... 32 110 F 0 43 3 C Extended Temp 40 110 F 40 43 3 C HUMIDITY 0 TO 90 RH Non Condensing POWER INPUT 12VDC 0 4 A EFFECTIVE RANGE 0 to 1000ppm SENSITIVITY 1 ppm at 77 F 25 C 45 RH RESOLUTION 1 ppm RESPONSE TIME Under Than 60 Seconds CALIBRATION Every 6 Months WARM UP TIME Readings will stabilize after 3 hrs LIFE EXPECTANCY Average of 5 to 7 years in normal environments AVAILABLE GAS SENSORS Part Numb...

Page 10: ...after 8 seconds and turn off once the button is released Status Condition Off Normal operation ON Steady Factory Calibrated Setting Turn switch 6 off ON Flashing Microprocessor error Call factory Potentiometers If you have an old style sensor with a housing that opens to show the entire inside of the sensor please call Genesis for a specific manual or technical advice before making any changes to ...

Page 11: ...44 00 0297 SHERLOCK102 202 REV 4 1 05 02 15 12 IR SENSOR ...

Page 12: ... 85 RH Non Condensing CALIBRATON Every 6 Months WARM UP TIME Reading will stabilize after 3 hours Overnight up to 18 Hrs for low temperature applications LIFE EXPECTANCY 3 to 5 years in most applications NOTE These sensors due to their nature are susceptible to detection of non refrigerant gases and cannot distinguish the presence of different refrigerant gases only that there is a gas present The...

Page 13: ...ertight fittings either conduit fittings or cable retention fittings Mount conduit on the bottom side of the housing to prevent moisture from dripping on the control board MOUNTING INSTRUCTIONS Sensor Placement The Sherlock CMOS Refrigerant Sensor must be placed in loca tions where a refrigerant gas leak is likely to occur or where leaked refrigerant gas is likely to concentrate so as to provide w...

Page 14: ...ts NOTE The Ventline Sensor is calibrated in the same way as the solid State CMOS sensor on the previous page OVERVIEW TheSHERLOCKHighPressureVentlineRefrigerantGasSensor was designed to detect the presence of high concentrations of refrigerant gas in the vent lines of refrigeration systems The sensor warns the user to investigate for possible leaks in relief valve or to check the systems for over...

Page 15: ...TANDARD Part Number 82 0461 NEMA 3R ABS Part Number 60 0243 HUMIDITY 0 90 RH Non Condensing POWER INPUT 12VDC 0 1 Amps OUTPUTS Current Driven EFFECTIVE RANGE 0 500 ppm SENSITIVITY 1 ppm at 77 F 25 C 45 RH RESOLUTION 1 ppm RESPONSE TIME Under Than 20 Seconds CALIBRATION Every 12 Months and after new sensor cell is installed WARM UP TIME Readings will stabilize in 30 Minutes LIFE EXPECTANCY Average ...

Page 16: ...al ENCLOSURE NEMA 1 Inches mm 4 3 x 3 4 x 1 2 109 x 86 x 31 NEMA 3R Option Available ENVIRONMENT 50 to 95 F 10 to 35 C 0 to 95 RH non condensing POWER INPUT 12VDC 250 mAmps OUTPUT SIGNAL 0 to 5VDC DETECTION RANGE 15 to 25 Oxygen by volume SENSITIVITY 0 5 of full scale reading CALIBRATION Every 6 Months WARM UP TIME Readings will stabilize after 3 hours LIFE EXPECTANCY Factory Recommendation of Rep...

Page 17: ... output 1W power supply DC 12V current consumption 150mA flash rate 90 110 min life expectancy 3 x 1000000 flashes operation temperature 40 F to 176 F black ABS acrylic cover dimensions 2 8 Ø x 2 5 STROBE LIGHT Optional Strobe light factory mounted on the SHERLOCK 102 202 Monitor by GENESIS COMBINATION HORN STROBE The Horn Strobe is a durable indoor outdoor self contained siren strobe combination ...

Page 18: ...Standard 1459 FAIL SAFE REMOTE ALARM and REMOTE ALARM WITH STROBE This device will alert the user to an alarm condition it is acti vated by opening up a self looping dry contact signal The base has a built in red led and blue strobe light to signal an alarm The unit is equipped with a test and silence button After the silence action the buzzer is silent for 30 minutes and will be reactivated if th...

Page 19: ...nsor on a wall near the return air vents of the evaporator coil or within between ten to twenty feet of a doorway exiting the room to a space Also 18 to 24 inches above the finished floor Use of a J box or some other form of protection for the sensor may be necessary Ammonia Refrigeration Systems Mount the sensor on a wall in the downwind air path of the discharge air at least 20 feet or more from...

Page 20: ...air One method is to mount the sensor inside a 3 diameter by 9 length plastic sewer pipe A second method is to mount a baffle in the air stream just ahead of the sensor Air flow across the sensor should never exceed 2 feet per second COMPONENT INSTALLATION 8 00 7 250 238 dia Mounting Holes 3 Places SHERLOCK 102 202 Control Backplate IO Boards Power Supply WARNING Sensors will be damaged by liquids...

Page 21: ...ame specifica tions and ratings can also be used SHERLOCK 102 202 WIRING SHERLOCK 102 202 WIRING Refer to 44 0221 or 44 0295 Infrared Refrigerant Gas Sensor Manuals and 44 0283 Solid State Sensor Manual for more information about sensor wiring and configuration Wiring diagram for the Sherlock 102 one sensor control and Sherlock 202 two sensor control Remove the 4 screws holding the faceplate to th...

Page 22: ...t of two Single Pole Double Throw SPDT alarm relays for each alarm level K1 and K2 for alarm level 1 K3 and K4 for alarm level 2 Optional Auxilliary Zone Isolation Alarm Relays for each sen sor can be factory ordered Typical uses are K1 K2 Lower Alarm Level Normally indicates the Permisible Exposure Limits PEL conditions Connect to an audio visual alarm and the Building Automation System or an ala...

Page 23: ...icating with a Building Management System via a 4 20 milliamp signal For more examples see the wiring diagrams section at the back of this manual STROBE LIGHT HORN STROBE TWO LEVEL MULTI COLOR STACK BEACON WITH HORN BASE REMOTE ALARM AND ALARM WITH STROBE AUTO ALARM DIALER BUILDING AUTOMATION SYSTEM POWER STROBE 1 2 3 1 3 2 1 2 1 2 1 2 2 1 V SNR A GND SIG V SIG 1 IN 2 HORN STROBE STROBE 1 SNR B GN...

Page 24: ...ng the Alarm Silent Button on the front panel During an alarm condition press ing this button will silence these relays returned to non alarm state Keep this in mind when wiring the relays If you do not want that output to be silenced do not wire that output to the K2 or K4 relay i e Do not wire the exhaust fans to the K2 or K4 relay If the SYSTEM is in CHANGE MODE pressing the Alarm Silent Button...

Page 25: ...mory CLOCK MENU Allows the user to set the time and date day month year TEST RELAY MENU Allows the user to test the relays on or off A method to check the wiring connections between relay outputs and their alarming devces KEYPAD MENU STRUCTURE KEYPAD DESCRIPTION EXIT Takes the user out of a sub menu to the previous sub menu or main main menu or abort changes SELECT CHANGE Enters the user into a su...

Page 26: ...larm light and show the alarm messages Pressing the ALARM CLEAR button on the front panel will turn off the internal buzzer and the K1 and K3 relays but keep the alarm light lit The relays K2 for level 1 and K4 for level 2 and configurable zone isolation alarm relays can be silenced by pressing the ALARM CLEAR button a second time The alarm light will also turn off Do not press the ALARM CLEAR but...

Page 27: ...will be shown for not in the ALL ACCESS MODE or the message LOCK will be shown for not in the CHANGE MODE At DEFAULT SCREEN press UP DOWN arrow buttons until the ACCESS MENU screen appears Press SELECT button to enter the ACCESS MENU The control shows the mode it is in When the CONTROL is first powered up or has not be accessed for sometimes it will be in the VIEW ONLY MODE Press SELECT button to ...

Page 28: ...urrent reading if installed at the snesor A input Oxygen Sensor Alarm Setpoint Sensor A current reading if a refrigerant sensor was installed in the sensor A input Sensor A level 1 alarm setpoint Sensor A level 1 alarm delay in minutes Sensor A level 2 alarm setpoint Sensor A level 2 alarm delay in minutes Sensor 1 level 1 setback setpoint Sensor 1 level 2 setback setpoint Continued on next page S...

Page 29: ...silenceable or unsilenceable The alarms can automatically clear or stay on and be manually cleared Software version number Exit this MENU and return to DEFAULT SCREEN or down arrow to wrap around to the beginning of the STATUS menu EXIT STATUS MENU ST ZONE ALM RLY ACTIVE BY LVL 1 2 ST ZONE ALM RLY SILENCEABLE S ALM AUTO CLEAR AFTER NORMAL YES STS SYSTEM VERSION 1 5 STS SYSTEM ALM RLY NORMAL OPEN ...

Page 30: ... show no alarm if Alarm Log has been cleared in SYSTEM CONFIG MENU Sensor X was in alarm at Alarm level Y and reading XXX ppm on this date and time The previous alarm was cleared by the user on this date and time The previous alarm auto cleared by the control on this date and time Sensor X was opened no sensor return current path was detected on this date and time Problem can either be a wiring pr...

Page 31: ...s DOWN button to next entry This Entry will be shown if sensor A is configured as Oxygen Sensor in SYSTEM CONFIG MENU OXYGEN SENSOR SETPOINT 15 0 25 0 OXYGEN SENSOR ALARM DELAY 1 10 MINUTES This entry will be shown if sensor A is selected as a refrigerant sensor in the configuration menu SENSOR A LEVEL 1 ALARM SETPOINT 20 999 SENSOR A LEVEL 1 ALARM DELAY 1 120 MINUTES SENSOR A LEVEL 2 ALARM SETPOI...

Page 32: ...45 for more on Setpoints SENSOR 1 LEVEL 1 SETBACK ALARM SETPOINT 20 999 SENSOR 1 LEVEL 2 SETBACK ALARM SETPOINT 20 999 Each sensor can have two levels of Alarming The level 2 alarm of a particular sensor can be disabled If enabled the level 2 setpoint and delay can be modified The two entries for the particular sensor will not be shown and level 2 alarm is disabled if level 1 alarm is not enabled ...

Page 33: ... compensated Follow this procedure for each sensor Each sensor will now produce a zero reading when zero ppm of gas is detected SENSOR ABSOLUTE READING This reading is the actual raw reading produced by the sensor without the zero offset Its reading must be greater than zero 10 80 This reading can be used to check the proper cable con nection If the sensor is reading greater than 80 the sensor wil...

Page 34: ...lay entries related to sensor A and will skip to next enabled entry Press DOWN arrow button to move to the next option Determine whether Sensor A shall have a Setback Option See INTRODUCTION section Set the type of setback option for Sensor A The options are OFF No Setback Option IN1 Setback controlled by Digital Input 1 Schedule IN2 Setback controlled by Digital Input 2 only To set the setback op...

Page 35: ...ate on either level 1 2 or level 2 alone Press DOWN arrow button to move to the next entry Set zone isolation alarm relays silenceable by the front panel silent button The selection applies to all the zone isolation relays Press SELECT button and NO YES will begin to blink Press DOWN arrow button The blinking NO YES will change to a blinking YES NO Press SELECT button to save this entry Press DOWN...

Page 36: ...ow button to move to the next option Press the SELECT button to activate the CLEAR CON FIGURES routine YES starts to blink Press DOWN arrow button The Control will ask to confirm the confgure memory clearing If you do not want to clear the configures press DOWN arrow button If you want to continue press SELECT button and then DOWN arrow button to start clear ing EEPROM and RAM After memory clearin...

Page 37: ...t to blink Press UP DOWN arrow buttons to change to the desired value Press SELECT button to save it SET THE YEAR Press SELECT button The Year should start to blink Press UP DOWN arrow buttons to change the year to the desired value Press SELECT button to save it SET FOR DAYLIGHT SAVINGS Press SELECT button The NO should start to blink Press UP DOWN arrow buttons to change to YES or NO Press SELEC...

Page 38: ...gin to blink Press the UP or DOWN arrow The blinking number will go up or down between 0 ppm and 1500 ppm Press the SELECT button to save this entry and to read the current output Do the same for Sensor B if applicable RESTART This function is only necessary if for some reason the control will not operate properly Doing restart will not clear any previ ous settings already input This is equivalent...

Page 39: ...efer to the OPERA TIONS section of this manual Prior to continuing ensure that the sensors are properly con nected to the SHERLOCK 2 Series Monitor and that the sensor has been energized for over two hours 1 Place the Sherlock into the Calibrate Sensor Mode At DEFAULT SCREEN using UP DOWN buttons to scroll to ACCESS MENU Press SELECT button If the control display shows IN CHANGE MODE or ALL ACCESS...

Page 40: ... that comes with the calibration kit over the inlet valve on the top right of the sensing tube and connect the other end to the calibration gas canister regulator 2 Run the 20 9 O2 gas into the sensor for about 5 minutes and wait for the reading to settle Press the push button on the sensor right above the dipswitch for 10 seconds This will be the artificial zero level 3 Next run the measured refr...

Page 41: ...ten the fitting until the tube is snug 2 Remove the sensor from the wall or mounting point Take the front face cover off of the sensor 3 Mounting the Sensor a Place the chamber on its side so that the tube comes out from the left or right side b Mount the sensor module in the chamber using the sup plied mouniting screw making sure that the cable fits into the notch at one end of the chamber c Seal...

Page 42: ...ures 1 Filling the Chamber a Mount the valve onto the 20 9 Oxygen tank Open the valve for 2 minutes CALIBRATION PROPER MOUNTING OF THE ELECTROCHEMICAL SENSOR b Wait 5 minutes c Open the valve again for 2 minutes d Wait 5 minutes 2 Follow these programming procedures Ensure that the control access in IN CHANGE MODE or ALL ACCESS mode Using UP DOWN arrow buttons place the Sherlock into the CALIBRATI...

Page 43: ...e sensor to another location or swap positions with another sensor If readings move with the sensor call Genesis Service If readings stay at original location check for wiring problems or the presence of gas Double check signal wire connection Check for wiring problems jumpers not properly set Check wiring Sensor Element may have malfunctioned Call Genesis Customer Service Check for continuity wir...

Page 44: ... least 1 minute for L2 to turn off and do Push Button calibration again Make sure Dip Switches are set to off position If on Switch 5 will show approximatley 200 ppm Switch 7 will read 250 ppm plus the original sensor reading Check area around sensor with a hand held leak detector for refrigerant If no leak was the calibration procedure followed Attempt calibration procedure Move sensor to another...

Page 45: ...libration menu reading 36 Sensor element needs to be replaced If the sensor is new follow the calibration procedure and press the reset button inside the sensor Check for wiring problems Check wiring Check for continuity wiring problems Sensor Element may have malfunctioned Call Genesis Customer Service SHERLOCK ELECTRO CHEMICAL AMMONIA REFRIGERANT SENSOR Please See Electro Chemical Sensor manual ...

Page 46: ...ble Pole Double Throw This is a type of relay with two independent poles Each pole common can be switched from normal ly closed contact to normally open contact ELECTRO CHEM Electro Chemical Sensor Chemical cell sensor used to monitor for oxygen and ammo nia FAULT Used to display when an Electro Chemical Ammonia sensor needs to be replaced HCFC Hydro Chloro Flouro Carbon This is a class of refrige...

Page 47: ...nce 34L 46 0031 Gas Canister 250 ppm R11 Air Balance 34L 46 0011 Gas Canister 250 ppm R12 Air Balance 34L 46 0023 Gas Canister 17 Oxygen Nitrogen Balance 34L 46 0007 Gas Canister 20 9 Oxygen Nitrogen Balance 34L 46 0008 Gas Canister 20 9 Oxygen Nitrogen Balance 104L 46 0013 Gas Canister 50 ppm Ammonia Air Balance 75L 46 0027 Gas Canister 250 ppm Ammonia Air Balance 75L 46 0026 Gas Canister 500 ppm...

Page 48: ...PPLY SHERLOCK 102 AND 202 COMPLETE SYSTEM 3 GROUNDED NEUTRAL OPTIONAL ZONE CUT OFF RELAYS 5 TOTAL OUTPUT FROM 12 VDC DEVICES CANNOT EXCEED 3 0 AMPS INCLUDING SENSORS AND ALL ALARM DEVICES 5 5 5 5 TO BAS 6 6 6 EITHER THE SOLID STATE CMOS OR INFRARED SENSOR CAN BE WIRED TO THE SENSOR A OR SENSOR B INPUT THE OXYGEN SENSOR MUST BE WIRED TO SENSOR A K4 K3 K1 K2 C NO NC NC NO C NC NO C NC NO C CMOS SENS...

Page 49: ...44 00 0297 SHERLOCK102 202 REV 4 1 05 02 15 50 PAGE FOR FIELD WIRING SHERLOCK SYSTEM ...

Page 50: ... the local code jurisdictions need to be consulted Some jurisdictions have modified the Universal codes for their specific use It is also a good idea to consult the refrigerant manufactur ers Material Safety Data Sheet MSDS for Per missible Exposure Limits PEL and Immediate Danger to Life and Health IDLH limits Alarm levels can also vary depending upon which refrigerant is used If your refrigerant...

Page 51: ...44 00 0297 SHERLOCK102 202 REV 4 1 05 02 15 52 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 52: ... CREDIT WILL NOT BE GIVEN AFTER 90 DAYS FROM THE SHIP DATE THIS WARRANTY SHALL NOT APPLY TO LOSS OF FOOD OR REFRIGERANT GAS OR INCREASED POWER CONSUMP TION OR INCREASED UTILITY CHARGES DUE TO FAILURE FOR ANY REASON GENESIS SHALL NOT BE LIABLE FOR ANY LOSS CLAIM INJURY OR DAMAGE TO ANY PERSON OR PROPERTY OR LOST PROFITS OR OTHER SIMILAR LOSS OR DAMAGE WHICH MAY ARISE DIRECTLY OR INDIRECTLY RESULT O...

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