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Hansen HLM2, Manual

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Hansen HLM2 Manual Download Page 15

15

A100b

JAN 2009

INSTALLATION DIMENSIONS

INCHES (MM)

HLM2

HLM6

GAS ALERT SYSTEM

7.39

(188)

6.30

(160)

.38

(9.6)

5.94

(151)

6.54

(166)

1.06

(27)

1.125

(28)

1.16

(29.5)

1.06

(27)

3xM20

M16/PG9

5.26"
(134)

2.72"

(69)

6.30"
(160)

2.56

(65)

.62

(16)

2.07

(53)

4.13

(105)

.173 DIA (4,4)

MOUNTING HOLE

3 PLACES

.29

(7)

2.93

(78)

6.37

(162)

.358 DIA (9,1)
MOUNTING HOLE

3.10

(79)

7.58

(191)

.49 DIA (5X)
(12)

AUDIBLE ALARM

KEY SWITCH

HIGH LEVEL

ALARM RESET

.173 DIA (4,4)

MOUNTING HOLE

3 PLACES

.358 DIA (9,1)
MOUNTING HOLE

9.50

(241)

10.38

(264)

5.19

(132)

.56

(14)

.29

(7)

8.58

(218)

9.56

(243)

3.30

(84)

2.80

(71)

HIGH LEVEL

ALARM RESET

AUDIBLE ALARM

KEY SWITCH

.49 DIA (5X)
(12)

Summary of Contents for HLM2

Page 1: ...of gas present in the surrounding environment The analog outputs 4 20mA or 0 10V DC can interface with nearly any existing monitor computer or PLC controller The sensing elements except Basic and Ext...

Page 2: ...is NEMA4X IP65 conduit connection must be vaporproof Note Auxilliary power required when used with Hansen monitors HLM2 and HLM6 and Gas Alert System Vent Line Gas Sensor For operating temperatures do...

Page 3: ...present power up the unit as soon as possible as long term exposure can shorten the life of the gas sensing element Select the unit for harsh environments where a condensing atmosphere may be present...

Page 4: ...advantageous to have both local and remote displays and alarms A display alarm control inside or just outside of a room can be monitored and the same display alarm or a Hansen monitor in the control...

Page 5: ...age signal wires be in a common conduit tray or wiring panel with power wiring over 48 volts Do not run wires near variable frequency drive VFD equipment When using the gas sensors connected directly...

Page 6: ...NAL MULTI WIRE SHIELDED CABLE GROUND SHIELD AT OTHER END Voltage Selector D 24V DC A 24V AC D A Fail Safe Relay Relay engerized to normally open position when power applied POWER NO NC COM V V 0 V 0 V...

Page 7: ...MULTI WIRE SHIELDED CABLE GROUND SHIELD AT OTHER END Voltage Selector D 24V DC A 24V AC D A Fail Safe Relay Relay engerized to normally open position when power applied NO NC COM V V 0 V 0 V I Relay...

Page 8: ...s the green LED stays on continuously indicating power to the gas sensor and ready for service The gas sensor also sends a milliamp output signal to the gas detection monitor PLC or computer This outp...

Page 9: ...on and observe the voltage The sensor voltage will slowly climb toward 5VDC When the voltage does not change by more than 0 010 volts per 15 seconds the sensor output voltage is considered to be stabl...

Page 10: ...for 24 hours Recalibrate and install the cover Note Infrared sensing element CO2 is not replaceable Standard Harsh and Explosion Proof Sensors Standard Harsh and Explosion Proof Sensing Elements are e...

Page 11: ...fault output 10 amp 230V AC HLM6 Model only Power Required 120V AC 230V AC available Power Consumption 300mA 120V AC 50 60 Hz HLM6 150mA 230V AC 50 60 Hz HLM6 100mA 120V AC 50 60 Hz HLM2 50 mA 230V A...

Page 12: ...larm relay using the Low Level Alarm Pot which is located closest to the calibration pins This setting applies to the six channels For the high level alarm relay setting measure the voltage across Cal...

Page 13: ...IN GREEN RED REM OTE SENSOR V V V I NO COM NC 0 0 HORN LINE GROUND NEUTRAL 12V BUZZ 0 V CN11 FAIL SAFE OFF ON FUSE CAL L N G Y R Y R Y R Y R Y R R Y CN1 1 2 3 4 CN2 1 2 3 4 CN3 1 2 3 4 CN4 1 2 3 4 CN...

Page 14: ...used sensor channel 4 Install 3 3K ohm resistor across terminal 1 and 2 TROUBLESHOOTING GAS SENSORS Symptom Sensor green light is off Cause Possible wiring fault between controller and 1 sensor Check...

Page 15: ...160 2 56 65 62 16 2 07 53 4 13 105 173 DIA 4 4 MOUNTING HOLE 3 PLACES 29 7 2 93 78 6 37 162 358 DIA 9 1 MOUNTING HOLE 3 10 79 7 58 191 49 DIA 5X 12 AUDIBLE ALARM KEY SWITCH HIGH LEVEL ALARM RESET 173...

Page 16: ...be removed to access the two mounting holes for screw mounting Attach to the wall with the appropriate mounting screws Replace the cover when complete WIRING GAS ALERT SYSTEM The GAS Alert System can...

Page 17: ...AL L N G Y R Y R Y R Y R Y R R Y CN1 1 2 3 4 CN2 1 2 3 4 CN3 1 2 3 4 CN4 1 2 3 4 CN5 1 2 3 4 CN6 1 2 3 4 FUSE FUSE FUSE FUSE FUSE FUSE N 0 N C N 0 N C COM N 0 N C COM COM CN10 CN9 CN12 POWER ON LIGHT...

Page 18: ...L N G Y R Y R Y R Y R Y R R Y CN1 1 2 3 4 CN2 1 2 3 4 CN3 1 2 3 4 CN4 1 2 3 4 CN5 1 2 3 4 CN6 1 2 3 4 FUSE FUSE FUSE FUSE FUSE FUSE N 0 N C N 0 N C COM N 0 N C COM COM CN10 CN9 CN12 POWER ON LIGHT MO...

Page 19: ...0 HSC4H F3K R410 HSC4E F3K R410 Semiconductor 0 3 000 Note Gas Sensors available for additional refrigerants consult factory CO2 Sensor Type Range PPM Basic to 32 F 0 C Harsh to 40 F 40 C Extreme to 6...

Page 20: ...sen products except electronics are guaranteed against defective materials or workmanship for one year F O B factory Electronics are guaranteed against defective materials or workmanship for 90 days F...

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