Macurco GBC-2-120 Installation & Operation Manual Download Page 1 | Manualshive

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IMPORTANT: Keep these user instructions for reference.

Macurco™ GBC

Gas Boiler Controller
Installation & Operation Manual

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Summary of Contents for GBC-2-120

Page 1: ...IMPORTANT Keep these user instructions for reference Macurco GBC Gas Boiler Controller Installation Operation Manual ...

Page 2: ...he wires to terminals 8 3 2 2 Terminal Connection 9 4 Operations 14 4 1 Power up 14 4 2 GBC Configuration 14 4 2 1 GBC Buzzer and Relay Settings 14 4 3 Programming on detectors to work with the GBC 17 4 3 1 Power Up Test Setting PUt 17 4 3 2 Alarm Relay Configuration Arc 17 4 3 3 Fan Relay Setting FrS 17 4 3 4 Fan Relay Delay Setting Frd 18 4 3 5 Fan Relay Latching Setting FrL 18 5 Appendix A Tabl...

Page 3: ...le detector or up to four gas detectors the controller can control up to eight dry contact outputs These outputs are designed to shut down the boiler system upon the detection of carbon monoxide and or combustible gases such as natural gas or propane In the event of a gas alarm the GBC will engage the relay to turn off the necessary appliance If the detectors are programmed in latching mode the GB...

Page 4: ...up to 4 Expansion Relay Boards 24 VDC driver for horn strobe 250 mA Audible Buzzer 90 dBA at 1ft Output power supports combinations of 1 to 4 detector s 350 mA 2 4 Specifications Size 8 x 6 x 3 22 9 X 20 3 X 5 cm Weight 3lbs Enclosure Opaque Polycarbonate NEMA 4X 6P IP66 68 Operating Temperature 32 F to 125 F 0 C to 52 C Ambient humidity 0 to 95 RH non condensing Voltage Current o GBC X 24 24 VAC ...

Page 5: ...co GBC enclosure has 6 mounting holes and is shipped with mounting screws Install the mounting screws on the four corners of the enclosure The GBC should be mounted with sufficient space all round for access to conduit entry holes on the top and bottom side of the unit Mount the unit in an appropriate space to see and hear the visual and audible notification and to easily access the reset button T...

Page 6: ...Macurco GBC Manual REV 1 2 34 2900 0690 7 6 P a g e Figure 3 2 Enclosure Dimensions ...

Page 7: ...Macurco GBC Manual REV 1 2 34 2900 0690 7 7 P a g e Figure 3 3 Mounting dimensions ...

Page 8: ...e button of the connector 3 Fully insert the bare wire into the wire cavity of the connector Note When inserting the wire make sure that the wire insulation is not inhibiting the wire from contacting the wire contact points inside the terminal connector Note When the wire is properly stripped and inserted in the terminal connector there should not be any bare wire exposed 4 Release the white butto...

Page 9: ...Macurco GBC Manual REV 1 2 34 2900 0690 7 9 P a g e 3 2 2 Terminal Connection Refer to Figure 3 4 below for location of different connectors in GBC Figure 3 4 GBC Board Diagram ...

Page 10: ...eet meters 18 500 152 16 800 244 14 1250 381 Table 3 1 Recommended Wire Gauge Note Only connect the GBC to Class 2 power supply Note It is recommended to use an independent transformer for powering the unit s due to possible interferences from other devices on the same power supply 3 2 2 2 Sensor Connections There are two sensor connections on the GBC These connections provide power to the respect...

Page 11: ...Macurco GBC Manual REV 1 2 34 2900 0690 7 11 P a g e Figure 3 6 Single Sensor Channel Wiring ...

Page 12: ...Macurco GBC Manual REV 1 2 34 2900 0690 7 12 P a g e Figure 3 7 Dual Sensor Channel Wiring ...

Page 13: ...se connections Each terminal can accommodate a wire size from 12 to 24 AWG Each relay PCBS are labels NO1 COM1 and NC1 for Relay 1 and NO2 COM2 and NC2 for relay 2 See Figure 3 8 To use relay 1 connect one control wire to the COM1 terminal For normally open NO configuration connect the other control wire to NO1 terminal For normally closed NC configuration connect the other control wire to the NC1...

Page 14: ... activated for 10 seconds and the fan relay for 60 seconds during the power up cycle The indicator light LED will flash green during the self test cycle If 4 20 mA setting is set to EnH CM xx will transmit information related to calibration period status via 4 20 mA output during power up cycle At the end of the 1 minute cycle the unit will take its first sample of the air and the indicator light ...

Page 15: ...if jumper is enabled and external horn strobe will be engaged during activation from the connected sensors o Jumper position 2 3 Split All populated relays 1 through 4 will activate simultaneously based on activation from sensors connected to Sensor 1 terminal The local buzzer if jumper is enabled and external horn strobe engages All populated relays 5 through 8 will activate simultaneously based ...

Page 16: ...Macurco GBC Manual REV 1 2 34 2900 0690 7 16 P a g e Figure 4 3 Relay Designation ...

Page 17: ...o return to PUt in the Con menu Push Next until End is displayed then push Enter to get back to normal operation 4 3 2 Alarm Relay Configuration Arc To select the Alarm Relay Configuration in normal mode push the Next button to get to Con or the Configuration menu Then push the Enter button to enter the Con menu The sixth selection is the Arc or Alarm Relay Configuration Push Next five times to ge...

Page 18: ...and push Enter again to return to Frd in the Con menu Push Next until End is displayed then push Enter to get back to normal operation 4 3 5 Fan Relay Latching Setting FrL To select the Fan Relay Latching Option in normal mode push the Next button to get to Con or the Configuration menu Then push the Enter button to enter the Con menu The tenth selection is the FrL or Fan Relay Latching Option Pus...

Page 19: ...5 Figure 3 3 Mounting dimensions 7 Figure 3 4 GBC Board Diagram 9 Figure 3 5 GBC Board Diagram 10 Figure 3 6 Single Sensor Channel Wiring 11 Figure 3 7 Dual Sensor Channel Wiring 12 Figure 3 8 Relay PCBA 13 Figure 4 1 Buzzer Jumper J7 14 Figure 4 2 Relay Jumper J6 15 Figure 4 3 Relay Designation 16 Table 4 1 Detector Settings Table 17 ...

Page 20: ...S FOR PARTICULAR PURPOSE ARE LIMITED TO A PERIOD OF TWO 2 YEARS FROM THE PURCHASE DATE Macurco shall not be liable for any incidental or consequential damages for breach of this or any other warranty express or implied arising out of or related to the use of said gas detector The manufacturer or its agent s liability shall be limited to replacement or repair as set forth above Buyer s sole and exc...

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