Page 1 NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual P/N BCN-3100024-EN • REV 001 • ISS 24JUL24 www.acornfiresecurity.com...
Page 2 Copyright © 2024 Carrier. All rights reserved. Trademarks and CleanMe and the NC Series name and logo are trademarks of patents Carrier. Other trade names used in this document may be trademarks or registered trademarks of the manufacturers or vendors of the respective products.
Page 3: Table Of Contents
Default delays 110 Basic configuration modes 111 Expansion board functions 114 Appendix B Regulatory information 121 European standards 122 European regulations for construction products 123 Index 125 NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 4: Important Information
Important information This is the installation manual for the NC Series NC-PX3E Conventional Full Extinguishing and Fire Alarm Control Panels. Read these instructions and all related documentation entirely before operating this product. Firmware compatibility Information in this document covers control panels with firmware version 2.3 or later.
Page 5: Advisory Messages
Note messages advise you of the possible loss of time or effort. They describe how to avoid the loss. Notes are also used to point out important information that you should read. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 6: Product Symbols
This symbol indicates that the installation manual should be consulted when operating or maintaining the device or control close to where the symbol is placed. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 7: Introduction
Chapter 1 Introduction Summary This chapter provides an introduction to your control panel and the available operating modes. Content Product description 2 Product compatibility 2 Operating modes 3 NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 8: Product Description
Products compatible with these control panels are listed in the product compatibility list. Only those products specified in the compatibility list are guaranteed to be compatible. To download the latest product compatibility list, visit firesecurityproducts.com. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 9: Operating Modes
[1] EN 54-13 supervision requires compatible system wiring and devices and must be enabled by the installer in the control panel configuration. [2] EN 54-13 supervision is available in zones and expansion board outputs. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 10 Chapter 1: Introduction NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 11: Installation
Connecting inputs 14 Connecting outputs 19 Connecting the mains power supply 22 Connecting the batteries 23 Connecting other equipment 24 Connecting expansion boards 25 Connecting a fire network 25 NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 12: Electrical Safety
Caution: Equipment damage hazard. This product is sensitive to electrostatic discharge (ESD). To avoid damage, follow accepted ESD handling procedures. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 13: Cabinet Layout
With this option, either the key or the password can be used to enter the operator user level. This key can also be configured to be used in manual-only or manual-automatic mode. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 14: Cabinet Installation
Note that the control panel must be assembled and installed according to the ordinances and codes that are in effect in your market or region. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 15: Fixing The Cabinet To The Wall
3. Insert a screw in position (1) and hang the cabinet onto this screw. 4. Insert screws in positions (2) and tighten. 5. Insert screws in position (3) and tighten. 6. Tighten screw in position (1). NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 16: Connections
Use 20 mm cable glands to ensure clean and secure connections at the control panel cabinet. All cables should be fed through the cable guides in the cabinet housing to eliminate movement. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 17: Connecting Zones With Initiating Devices
2. Zone for standard (mixed) fire detection 3. Galvanic barrier (for intrinsically safe conventional detectors / intrinsically safe mode only) 4. Zone termination (see “Terminating zones” en page 12) NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 18 4.7 kΩ, 5%, 1/4 W end-of-line resistor. The type of zone termination can be configured on a zone-by-zone basis. See “Zone configuration” on page 70. Advanced installer user level access is required. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 19 EN 54-2, BS 7273 EN 54-13 Intrinsically safe Mixed detection 100 Ω Not supported Not supported Manual detection 100 to 680 Ω 100 to 470 Ω 250 to 560 Ω NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 20: Connecting Inputs
Connecting inputs Connect inputs IN1 to IN8 as shown below. Figure 4: Connecting inputs See “Input and output specifications” on page 102 for the input circuit parameters. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 21 The MCP Hold LED turns off when the MCP Hold device is deactivated. See “Hold mode” on page 53 for instructions on setting the MCP Hold operating mode. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 22 See “Input and output specifications” on page 102 to see how the low pressure indication device impedance is related to the low pressure fault. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 23 If your installation requires it, activate the function by setting the “Safety door monitoring” option to ON, and specifying a “Safety door fault delay” between 10 and 90 seconds. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 24 The remote reset is executed when the input device switches from deactivated to activated. See “Input and output specifications” on page 102 for the impedance values for this unsupervised input. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 25: Connecting Outputs
Off = −11 VDC (supervision) On = +24 VDC OUT8 Extinguishing actuator Supervised (extinguishing EOL) Off = −11 VDC (supervision) On = +24 VDC NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 26 Note: Standard supervised outputs are polarity sensitive. Observe polarity or install a 1N4007 diode or equivalent to avoid inverted activation issues. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 27 To ensure reliable operation, locate the end-of-line board as close as possible to the extinguishing actuator device. Figure 7: Control panel extinguishing actuator connection 2010-1X-AE board 2. Extinguishing actuator device NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 28: Connecting The Mains Power Supply
Figure 8: Connecting the mains power supply 1. Mains fuse 2. Live 3. Earth 4. Neutral For fuse specifications, see “Power supply specifications” on page 104. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 29: Connecting The Batteries
See “Battery maintenance” on page 97. Figure 9: Connecting the batteries Caution: Risk of equipment damage. No other equipment may be connected to the BATT connector. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 30: Connecting Other Equipment
The maximum contact rating for each relay circuit is 2 A at 30 VDC. Figure 11: Fault and alarm relay output connections 1. NO terminal 2. NC terminal 3. Common NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 31: Connecting Expansion Boards
Figure 12: Network board connections Two wiring options are possible: • Ring configuration • Bus configuration NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 32 Bus network configuration is not normally recommended, as it does not provide for redundancy in the transmission path. For bus configuration (Class B), connect control panels as shown below. Figure 14: Fire network bus configuration NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 33: Configuration And Commissioning
Safety door fault delay 52 Auxiliary 24 V reset 74 Pressure switch type 52 Firmware, configuration, and Hold mode 53 PCB identification 75 Activation tone 54 Expansion board configuration 76 NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 34 89 Fire network and repeaters Commissioning the control configuration 79 panel 90 Basic configuration options 80 Functional tests 92 Advanced configuration Response times 93 options 83 NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 35: The User Interface
[1] Service Detector is only available for installations using compatible Aritech detectors. [2] Fire routing is only available if a 2010-1-SB board is installed and fire routing is configured. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 36 Table 8: Configured changes to interface buttons and LEDs Item BS 7273 user interface Auto/Manual mode and Only Manual mode button and LEDs Extinguishing disabled switch LEDs NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 37: User Levels
This level is also required for installers that require minor customizations after configuring a basic installation. Passwords and indications for each user level are described in “User level passwords and indications” on page 32. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 38 If you have used advanced configuration options to set a custom zone delay, zone configuration, or zone type, then the seven-segment display defaults to the custom display operating mode. See “Panel mode” on page 41. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 39: Configuration Overview
Scroll to the previous configuration value for the active menu on the seven-segment display. Enter Confirm a menu selection or a value selection entry. Note: The configuration controls are also used to enter the user level password. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 40 Select a configuration submenu using buttons 1 and 3 when this LED is flashing. Value Select a configuration value using buttons 2 and 4 when this LED is steady NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 41: Common Configuration Tasks
To exit configuration mode without saving your changes: 1. Press Reset — or — 1. Set the display as shown below, and then press Enter. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 42 1. Set the display as shown below, and then press Enter. To restore the factory configuration: 1. Set the display as shown below, and then press Enter. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 43: Basic Configuration
00 to 10 minutes Default: 0 minutes Add an expansion board [1] 00 to 04 modules Default: 0 Firenet identifier [2] 0 to 32 0: Stand-alone (no networking) Default: 0 NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 44 [1] Additional menu options are available if one or more expansion boards are installed. See “Expansion board configuration” on page 76. [2] Additional menu options are available if Firenet is configured. See “Fire network and repeaters configuration” on page 79. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 45: Basic Default Configuration
1. Set the display as shown below, and then press Enter. 2. Select a value using the value selection buttons (2 and 4). 3. Press Enter. 4. Save your changes. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 46: Supervision Mode
This menu is not visible if the panel operational mode is BS 7273 (either stage 1 or stage 2) or includes CleanMe configuration. These options only allow standard EN 54-2 zone supervision with class B outputs. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 47: Panel Mode
A custom panel operating mode will be indicated if any of the following zone configuration settings are changed from the operating mode preset values: • Zone delay • Zone configuration • Zone type NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 48: Actuator Delay
1. Set the display as shown below, and then press Enter. 2. Select a delay value from 00 to 30 minutes using the value selection buttons (2 and 4). 3. Press Enter. 4. Save your changes. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 49: Fire Sounders Delay
1. Exit the installer user level. 2. Enter the operator user level password. 3. Press the Sounder Delay button. A steady Sounder Delay LED indicates that the delay is enabled. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 50: Fire Routing Delay
1. Exit the installer user level. 2. Enter the operator user level password. 3. Press the Fire Routing Delay button. A steady Fire Routing Delay LED indicates that the delay is enabled. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 51: Fire Delay Operation
To add an expansion board to the system you must install the board and then configure the system. See the expansion board’s installation guide for installation instructions. See “Expansion board configuration” on page 76 for configuration instructions. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 52: Advanced Configuration
Safety door fault delay 10 to 90 seconds Default: 30 seconds Pressure switch type Normally closed Normally open Default: Normally closed Activation tone Pulsed Continuous Default: Pulsed NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 53 00 to 10 minutes Default: 1 minute Fire routing delay 00 to 10 minutes Default: 00 Battery fault check ON/OFF Default: On Earth fault check ON/OFF Default: On NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 54 On for nodes 1 and 2, Off for the rest Firenet repeater map 01 to 32 ON/OFF On for nodes 1 and 2, Off for the rest NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 55 Default: 3333 Advanced installer user level password 0 to 4444 Default: 4444 Control panel PCB serial number Read-only Auxiliary 24V reset ON/OFF Default: Off Restore previous configuration NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 56 Panel mode, Actuator delay, Reset disabled delay, Fire sounders delay, and Fire routing delay. The default values defined above are for the Basic standard mode. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 57: Safety Door Monitoring
4. Save your changes. The available settings for this feature are shown below. Display Description Safety door monitoring is used (on). Safety door monitoring is not used (off). NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 58: Safety Door Fault Delay
3. Press Enter. 4. Save your changes. The available settings for this feature are shown below. Display Description Operates as normally closed (NC). Operates as normally open (NO). NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 59: Hold Mode
Mode A: The actuator delay countdown continues during MCP Hold activation. Mode B: The actuator delay countdown restarts when the MCP Hold device is restored. MCP Hold is indicated using a specific sounder tone. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 60: Activation Tone
2. Select a value using the value selection buttons (2 and 4). 3. Press Enter. 4. Save your changes. The available settings for this feature are shown below. Display Description Pulsed mode Continuous mode NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 61: Released Tone
2. Select a value using the value selection buttons (2 and 4). 3. Press Enter. 4. Save your changes. The available settings for this feature are shown below. Display Description Pulsed mode Continuous mode NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 62: Extinguishing Zones
Z1, Z2 and Z3 provide standard fire detection as a mixed zone. Note: For connection information, see “Connecting zones with initiating devices ” on page 11. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 63 Z1, Z2, and Z3 are configured as extinguishing zones. No fire detection zones are provided. No extinguishing zones are provided. Z1, Z2, Z3 are configured as fire detection zones. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 64: Manual-Only Mode Local
Manual-only mode is set locally. Manual-only mode is activated by the Manual Mode button on the panel. Manual-only mode is set remotely. Manual-only mode is activated by the manual-only mode activation device. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 65: Manual Key Mode
If the key position is OFF (that is, the key is not inserted or is inserted but not turned) the panel accepts an operator level request to change the auto/manual using the button or the related network commands. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 66: Enable Flooding Time
2. Select a value using the value selection buttons (2 and 4). 3. Press Enter 4. Save your changes. The available settings for this feature are shown below. Display Description Flooding time is enabled. Flooding time is disabled. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 67: Flooding Time
The available settings for this feature are shown below. Display Description Setting the number of minutes (range is from 0 to 5). Setting the number of seconds (range is from 0 to 55). NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 68: Actuator Delay For Start Mcp
4. Save your changes. The available settings for this feature are shown below. Display Description Actuator delay applies to the MCP Start. MCP Start activates the actuator immediately (no delay). NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 69: Extinguishing Agent Flow
The available settings for this feature are shown below. Display Description Extinguishing released after extinguishing agent flow input activation. Extinguishing released after actuator activation. (Extinguishing agent flow indications available for information purposes) NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 70: Fire Sounder Operation During A Zone Test
The internal buzzer and sounders sound for 5 seconds when an alarm is activated in a zone test. The internal buzzer and sounders do not sound when an alarm is activated in a zone test. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 71: Fire Sounder Re-Sound
The sounders re-sound if a new fire alarm event is reported from a different zone. The sounders do not re-sound if a new fire alarm event is reported from a different zone. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 72: Fire Sounders Silence Disabled Time
Sounders Silence Disable Time configuration menu is active. 2. Select a delay value from 00 to 10 minutes using the value selection buttons (2 and 4). 3. Press Enter. 4. Save your changes. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 73: Battery Fault Check
4. Save your change The available settings for this feature are shown below. Display Description The battery fault check is enabled. The battery fault check is disabled. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 74: Earth Fault Check
4. Save your change The available settings for this feature are shown below. Display Description The earth fault check is enabled. The earth fault check is disabled. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 75: Fault Latch
3. Press Enter. 4. Save your change The available settings for this feature are shown below. Display Description The fault latch is enabled. The fault latch is disabled. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 76: Zone Configuration
Active end-of-line with CleanMe [1] Intrinsically safe Zenner end-of-line Unlatched (only for BS 7273 mode and fire detection zones) [1] CleanMe is only available for installations using compatible Aritech detectors. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 77: Zone Delay
The available settings for this feature are shown below. Display Description Configured delays are allowed in the corresponding zone. Configured delays are not allowed in the corresponding zone NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 78: Zone Type
This option is not available to zones configured in the extinguishing area. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 79: Changing User Level Passwords
2. Set the display as shown below, and then press Enter. 3. Select a value using the value selection buttons (2 and 4). 4. Press Enter. 5. Save your changes. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 80: Auxiliary 24 V Reset
The available settings for this feature are shown below. Display Description Resetting the control panel resets the AUX 24V output. Resetting the control panel does not reset the AUX 24V output. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 81: Firmware, Configuration, And Pcb Identification
The “firmware” and “control panel PCB serial number” menus display a submenu that lets you select the object of interest. Fire panel Module A Module B Module C Module D Network board NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 82: Expansion Board Configuration
2. Select a value using the value selection buttons (2 and 4). Up to four expansion boards can be installed and configured. 3. Press Enter. 4. Save your changes. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 83: Expansion Board Configuration
Module A output 2 delay 00 to 10 minutes Module A output 3 delay 00 to 10 minutes Module A output 4 delay 00 to 10 minutes NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 84 4. Repeat steps 1 to 3 as required for each output (1 to 4) on each installed module (A, B, C, and D) where a delay is required. 5. Save your changes. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 85: Fire Network And Repeaters Configuration
(depending on repeater configuration settings). To display information for only that panel, press the Enter key for 3 seconds to provide a temporary, 30-second display of the local status indications. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 86: Basic Configuration Options
When the system has an advanced, custom pattern of node numbers, the displayed value for the number of nodes is Cu. A basic fire network is either a panel and a repeater, or a six-zone virtual panel composed of two three-zone panels. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 87 Basic fire network configuration will have the default fire network settings or the ones previously configured in the advanced fire network configuration options. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 88 2. Select a value using the value selection buttons (2 and 4). The Network fault LED flashes fast to indicate that the Firenet analogue remote node menu is active. 3. Press Enter. 4. Save your changes. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 89: Advanced Configuration Options
Firenet loop class Default: B Process remote zones ON/OFF Default: On Firenet map 01 to 32 ON/OFF On for nodes 1 and 2, off for the rest NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 90 Firenet map, and a set of panels to be repeated, called a Firenet repeater map. If the configuration is changed by modifying either map, the value displayed for Firenet number of nodes is Cu (indicating a custom network configuration). NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 91 • Create systems where alarm indications have to be local to the panel (nP should be inactive) By default, process remote zone alarms is On. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 92 (if control panel 1 has sounders on delay and control panel 2 sounders on, the indication of a third panel repeater will show sounders on). NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 93 The available settings for this feature are shown below. Display Description The analogue remote node is added to the repeater map. The analogue remote node is not added to the repeater map. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 94 The available settings for this feature are shown below. Display Description It accepts remote commands relating to the extinguishing functionality. It does not accept remote commands relating to the extinguishing functionality. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 95: Commissioning
The batteries are connected correctly, and comply with all requirements described in “Connecting the batteries” on page 23. • All system configuration complies with the corresponding operating mode and local regulations. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 96: Commissioning The Control Panel
System Fault LED. When this happens, check all control panel connections and configuration, as described in “Before commissioning the control panel” on page 89. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 97 To power up the control panel from the batteries, press the battery start button on the control panel PCB (marked as BAT. START, see Figure 18 below). Keep the button pressed for approximately 5 seconds. Figure 18: Battery startup button NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 98: Functional Tests
Using a multimeter, verify that the fault relay is activated when a fault is reported and that the fire alarm relay is activated when a fire alarm is reported. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 99: Response Times
Low battery fault Less than 100 seconds Fuse/protection fault Less than 3 minutes System fault Less than 100 seconds Battery high resistance fault Less than 4 hours NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 100 Chapter 3: Configuration and commissioning NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 101: Maintenance
This chapter includes information on system maintenance and battery maintenance. Content System maintenance 96 Quarterly maintenance 96 Annual maintenance 96 Cleaning the control panel 96 Battery maintenance 97 NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 102: System Maintenance
Do not use products containing solvents to clean the control panel. Do not clean the inside of the cabinet with liquid products. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 103: Battery Maintenance
1. Disconnect and remove the existing batteries from the cabinet. 2. Install and connect the replacement batteries using the bridge provided. Observe correct polarity. 3. Dispose of the batteries as required by local ordinances or regulations. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 104 Chapter 4: Maintenance NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 105: Technical Specifications
This chapter includes technical specifications for your control panel. Content Zone specifications 100 Input and output specifications 102 Power supply specifications 104 Mechanical and environmental specifications 106 NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 106: Zone Specifications
Short circuit reference range Zone voltage < 3 V Zone impedance < 55 Ω Open circuit reference range Zone impedance > 8 kΩ Zone device current consumption ≤ 2.6 mA NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 107 < 55 Ω < 80 Ω Open circuit reference range Zone impedance > 8 kΩ > 11 kΩ Zone device current ≤ 2.6 mA ≤ 2.55 mA consumption NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 108: Input And Output Specifications
OUT4 (non-supervised) Released OUT5 (standard supervision) Fire sounders OUT6 (standard supervision) Extinguishing sounders OUT7 (standard supervision) Released optical warning panels or signs OUT8 (extinguishing EOL supervision) Actuator NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 109 Output active (energized) No fault (short between C and NO contacts) Auxiliary 24 VDC output Output voltage 21 to 28 VDC (24 VDC nominal) Output current 250 mA max. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 110: Power Supply Specifications
15 mA at 24 VDC Internal power mode current rating 300 mA max for all expansion boards External power mode current rating 1 A max per expansion board NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 111 Current consumption in alarm (Imax b) 2.78 A max. [1] All zones and inputs in standby, no outputs activated, no expansion boards installed, no 24V auxiliary used and batteries fully charged. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 112: Mechanical And Environmental Specifications
−5 to +40ºC Storage temperature −20 to +70ºC Relative humidity 10 to 95% noncondensing Type class conditions 3K5 of IEC 60721-3-3 Figure 19: Control panel cabinet without cover NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 113 Chapter 5: Technical specifications Figure 20: Control panel cabinet with cover NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 114 Chapter 5: Technical specifications NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 115: Appendix A Configuration Presets
EN 54-13 supervision and Class A expansion board outputs 113 Expansion board functions 114 EN 54-2 supervision and Class B outputs 114 EN 54-13 supervision and Class A expansion board outputs 118 NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 116: Input And Output Configuration
Fire routing delay [1] Zone delay Released delay 10 seconds Flooding time Reset disabled delay 2 minutes [1] Requires installation of optional 2010-1-SB expansion board (not supplied). NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 117: Basic Configuration Modes
Z1 and Z2 automatic, for extinguishing event Z3 mixed, for fire detection Active EOL, CleanMe Z1 and Z2 automatic, for extinguishing event enabled Z3 mixed, for fire detection NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 118 Repeater with fire routing (BS 7273) All input/output supervision is disabled. No fire and extinguishing functionality. Table 40: Presets and zone characteristics Preset Zone description Zone detection Not used Not used NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 119: 54-13 Supervision And Class A Expansion Board Outputs
The actuator is activated immediately when the MCP Start is activated. Table 42: Presets and zone characteristics Preset Zone description Zone detection EN 54-13 EOL Z1 and Z2 automatic, for extinguishing event Z3 mixed, for fire detection NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 120: Expansion Board Functions
Z1 alarm Z2 alarm Z3 alarm Z1 and Z2 alarm Z2 and Z3 alarm Z1 or Z2 alarm Z2 or Z3 alarm Fire alarm Fault Fire alarm Fault NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 121 Extinguishing released Hold ON Abort ON Manual-only mode Manual-automatic mode Extinguishing activation disabled Pressure low fault Safety door fault Extinguishing agent flow ON Extinguishing activation Extinguishing released NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 122 Fire sounders [3] Extinguishing sounders [3] Optical panel [3] Actuator [3] Actuator blocked 1,2,3,4 Fire routing ON Fire Sounders ON Extinguishing sounders ON [4] Fire Sounders ON NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 123 [4] Faults are signaled in the Extinguishing Sounders LED. Output activates continuously and the tone (for activation or released) has to be provided and configured in the sounder device. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 124: 54-13 Supervision And Class A Expansion Board Outputs
Z2 alarm Z3 alarm Z1 and Z2 alarm Z2 and Z3 alarm Z1 or Z2 alarm Z2 or Z3 alarm Fire alarm Fault Fire alarm Fault Fault [1] NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 125 Extinguishing disabled Pressure switch fault Door fault Gas Flow on Fire sounders [3] Extinguishing sounders [3] Optical panel [3] Actuator [3] Actuator blocked 1,2,3,4 Fire routing ON NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 126 [4] Faults are signaled in the Extinguishing Sounders LED. Output activates continuously and the tone (for activation or released) has to be provided and configured in the sounder device. NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 127: Appendix B Regulatory Information
Appendix B Regulatory information Summary This section includes regulatory information for your control panel. Content European standards 122 European regulations for construction products 123 NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 128: European Standards
4.24 Trigger signals to equipment within the system 4.26 Trigger signals to equipment outside the system 4.27 Emergency abort device 4.30 Activate alarm devices with different signals NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 129: European Regulations For Construction Products
EN 54-4:1997 + AC:1999 + A1:2002 + A2:2006 EN 12094-1:2003 Product identification NC-PX3E, NC-PX3E-SC Intended use See the product Declaration of Performance Declared performance See the product Declaration of Performance NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 130 Appendix B: Regulatory information NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 131: Index
24 battery, 23 detectors, 13 hold mode, MCP, 53 disable extinguishing switch, 16 expansion boards, 25 extinguishing actuator output, 21 extinguishing agent flow device, 17 NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 132 110 connections, 19 functionality, 19 password change, 73 pressure switch type, 52 response times, 93 safety door fault delay, 52 monitoring, 51 seven-segment display, 34 NC Series NC-PX3E Conventional Extinguishing and Fire Alarm Control Panel Installation Manual www.acornfiresecurity.com...
Page 133 www.acornfiresecurity.com www.acornfiresecurity.com...
Page 134 www.acornfiresecurity.com www.acornfiresecurity.com...

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