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Mounting Six-Circuit Modules from Honeywell Fire Systems, 2.5 Power-Limited Wiring Requirements

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Power-Limited Wiring Requirements Installation 2.4.2 Mounting Six-Circuit Modules from Honeywell Fire Systems Six-output addressable modules can be mounted directly to the control circuit board as shown in Figure 2.15 for the wall cabinet. This allows wiring to remain in the cabinet. However, the sixoutput module cannot be mounted as shown in the HPFF12CM(E) units when used in the large equipment enclosure. An optional multi-module chassis is available from Honeywell Fire Systems. See Section 2.5, "Power-Limited Wiring Requirements". HPFF12mnt6up.wmf Figure 2.15 Mounting Details for Six-Output Modules from Honeywell Fire System 2.5 Power-Limited Wiring Requirements Power-limited and non-power-limited circuit wiring must remain separated in the cabinet. All power-limited wiring must remain at least 0.25" away from any non-power-limited circuit wiring. Furthermore, all power-limited circuit wiring and non-power-limited circuit wiring must enter and exit the cabinet through different conduits. An example of this is shown below. Your specific application may require different conduit knockouts to be used in the standard cabinet. Any conduit knockouts may be used. For power-limited applications, use of conduit is optional. HPFF12 NAC Expander - P/N 53576:B 11/24/2010 31

Section	Page
Table of Contents	5
Section 1: System Overview	9
1.1 General	9
1.2 Features	10
1.3 Start-up Procedure	11
1.4 Jumpers	12
1.4.1 Charger Disable Jumper (J1)	12
1.4.2 Ground Fault Disable Jumper (J2)	12
1.5 LED Indicators	13
1.6 Specifications	13
Section 2: Installation	17
2.1 Backbox Mounting	17
2.2 Chassis-Mounting in FACP Cabinets	21
2.3 NAC Circuit Wiring	26
2.3.1 Four NACs Configured for Class B (Style Y)	26
2.3.2 Two NACs Configured for Class A (Style Z)	27
2.3.3 Mixing Class B and Class A NACs	28
2.3.4 HPP31076 Optional Class A (Style Z) Adaptor	29
2.4 Mounting Addressable Modules	30
2.4.1 Mounting Modules from Honeywell Fire Systems	30
2.4.2 Mounting Six-Circuit Modules from Honeywell Fire Systems	31
2.5 Power-Limited Wiring Requirements	31
2.5.1 Power-Limited Wiring, Standard Chassis	32
2.5.2 Power-Limited Wiring, FACP Cabinet	33
Section 3: Programming Options	35
3.1 DIP Switch Settings	35
3.2 Programmable Features	36
3.2.1 Input/Output Functions	36
3.2.2 Synchronization Type	37
3.2.3 Trouble Reporting Delay with an AC Failure	37
3.2.4 Split Alarm and Silencing	38
Section 4: Trouble Supervision	39
4.1 Supervised Functions and Field Wiring	39
4.2 Trouble Reporting	39
4.2.1 TB2: AC FAIL Contacts	40
4.2.2 TB2: TROUBLE Contacts	40
4.2.3 TB3: Initiating Device Inputs SIGNAL 1 and SIGNAL 2	40
4.2.4 Trouble Memory	41
4.2.5 Ground Fault Detection	41
4.2.6 NAC Overload Protection and Indication	41
Section 5: Applications	42
5.1 Controlling Four NAC Circuits from a Single Source	42
5.2 Controlling and Silencing Four NACs	43
5.3 Split Alarm and Selective Silence	44
5.3.1 Selective Silence	44
5.3.2 Split Alarm Mode	45
5.4 Connecting Multiple Units	46
Section 6: Power Supply Requirements	48
6.1 Overview	48
6.2 Calculating the AC Branch Circuit Current	48
6.3 Calculating the System Current Draw	49
6.3.1 Overview	49
6.3.2 How to Calculate System Current Draw	50
6.4 Calculating the Battery Size	51
6.4.1 NFPA Battery Requirements	51
6.4.2 Selecting and Locating Batteries	51
6.5 NAC Circuit Loop Wiring Requirements	52
Appendix A: Device Compatibility	53
A.1 Optional Modules	53
A.2 Notification Appliances	53
A.2.1 System Sensor — 24 VDC	53
A.2.2 Gentex — 24 VDC	54
A.2.3 Cooper-Wheelock	55
A.2.4 Amseco	57
A.2.5 Faraday	57

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HPFF12 NAC Expander —

P/N 53576:B

11/24/2010

Power-Limited Wiring Requirements

Installation

2.4.2

Mounting Six-Circuit Modules from Honeywell Fire Systems

Six-output addressable modules can be mounted directly to the control circuit board as shown in

Figure 2.15 for the wall cabinet. This allows wiring to remain in the cabinet. However, the six-

output module cannot be mounted as shown in the HPFF12CM(E)

units when used in the large

equipment enclosure. An optional multi-module chassis is available from Honeywell Fire Systems.

See Section 2.5, “Power-Limited Wiring Requirements”.

Figure 2.15

Mounting Details for Six-Output Modules from Honeywell Fire System

2.5

Power-Limited Wiring Requirements

Power-limited and non-power-limited circuit wiring must remain separated in the cabinet. All

power-limited wiring must remain at least 0.25" away from any non-power-limited circuit wiring.

Furthermore, all power-limited circuit wiring and non-power-limited circuit wiring must enter and

exit the cabinet through different conduits. An example of this is shown below. Your specific

application may require different conduit knockouts to be used in the standard cabinet. Any conduit

knockouts may be used. For power-limited applications, use of conduit is optional.

HPFF12mnt6up.wmf