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EQUIPMENT:

 

 

FIRE

CLASS 

PRECEPT EN 

 

 

 

WRITTEN BY: RKP 

PUBLICATION:

  

FIRECLASS PREC EN OUTPUT EXP MOD INST 

CHECKED BY: AP 

ISSUE No. & DATE:

 

0      02/03/12

 

PAGE 8 of 21 

6.2.3  Interconnections between Fire Alarm Panel and Output Modules 

The standard output expansion panel combinations are listed below [see Table 2] along with their respective 
requirements for interconnection for the 3 types of O/P modules. 

Table 2 

– Fire Panel/Output Module Interconnection Installation Work 

 

FIRE

CLASS 

Precept EN Panel 

Expansion Panel 

Internal Connections 

Schematic 

Internal 

Cable 

Main Panel 

Expansion Panel 

 

8-zone & 16-zone 

without Output 

board 

Exp 4 [or Exp5] 

no power supply. 

Data 

Ribbon 

Motherboard 

[C1627] 

connector J17. 

Connector J2 on O/P module 1 

[left hand most module] 

Figure 13 

Aux DC 

power 

cable 

Motherboard 

[C1627] power 

out connector 

J24 

“Power in” connector on the first 

C1633/C1635 module [from the 

left hand side of the expansion 

panel]. 

J4 on the C1633/J3 on the 

C1635. 

32-zone without 

Output board 

Exp 4 [or Exp5] 

no power supply. 

Data 

Ribbon 

Motherboard 

[C1627] 

connector J17. 

Connector J2 on O/P module 1 

[left hand most module] 

Figure 15 

Aux DC 

power 

cable 

Motherboard 

[C1627] power 

out connector 

J24 

“Power in” connector on the first 

C1633/C1635 module [from the 

left hand side of the expansion 

panel]. 

J4 on the C1633/J3 on the 

C1635. 

8-zone, 16-zone & 

32-zone without 

Output board 

Exp 4 [or Exp5] 

with C1652 power 

supply. 

Data 

Ribbon 

Motherboard 

[C1627] 

connector J17. 

Connector J2 on O/P module 1 

[left hand most module] 

Figure 14 

Aux DC 

power 

cable 

 

Factory fitted. 

From: 

C1652 power supply board 28V, 

0V and fault signals from J1. 

To: 

“Power in” connector on the first 

C1633/C1635 module [from the 

left hand side of the expansion 

panel]. 

J4 on the C1633/J3 on the 

C1635. 

8-zone with 1 O/P 

module 

Exp 4 [or Exp5] 

no power supply. 

Data 

Ribbon 

Data out 

connector on the 

O/P module. 

J6 on C1633 

and C1635 

Connector J2 on O/P module 1 

[left hand most module] 

Figure 12 

[showing 2 

x O/P 

modules] 

Aux DC 

power 

cable 

“Power out” 

connector on the 

C1633/C1635 

module. 

J3 on the 

C1633/J5 on the 

C1635. 

“Power in” connector on the first 

C1633/C1635 module [from the 

left hand side of the expansion 

panel]. 

J4 on the C1633/J3 on the 

C1635. 

 
 

 

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Summary of Contents for Precept EN Panel

Page 1: ...PAGE 1 of 21 Precept EN Output Expansion Module Installation Commissioning Manual www acornfiresecurity com www acornfiresecurity com...

Page 2: ...1634 FIELD WIRING CONNECTIONS 3 FIGURE 3 C1635 FIELD WIRING CONNECTIONS 3 FIGURE 4 PRECEPT EN 16 INTERNAL VIEW SHOWING OPTIONAL SINGLE O P BOARD 4 FIGURE 5 PRECEPT EN 16L INTERNAL VIEW 32 ZONE ENCLOSU...

Page 3: ...The FIRECLASS Precept EN 16L fire alarm panel uses the C1652 230Vac 5A PSU mounted on the internal chassis beneath the motherboard output modules FIRECLASS Precept EN Exp 4 and 5 output expansion pane...

Page 4: ...mary Earth Connection Removable Chassis Relay output Module Batteries Motherboard C1630 Output Expansion Interface Board Removable Chassis Figure 5 Precept EN 16L internal view 32 zone enclosure with...

Page 5: ...Exp 5 internal view Mains Warning Primary Earth Label Cable Clip for incoming mains cable 3 x Enclosure fixing holes Secondary Earth bars for cable screens Mains Terminal Block and primary Earth Conn...

Page 6: ...ake great care when lifting and transporting batteries For weights above 24 kilos lifting aids should be used DANGER Do NOT attempt to remove the battery lid or tamper with the internal workings of th...

Page 7: ...rol panel remove the chassis from the output expansion panel generally as described in the FIRECLASS Precept EN panel installation manual carefully remove the 25mm knock outs in the adjoining faces of...

Page 8: ...bbon Motherboard C1627 connector J17 Connector J2 on O P module 1 left hand most module Figure 15 Aux DC power cable Motherboard C1627 power out connector J24 Power in connector on the first C1633 C16...

Page 9: ...1635 8 zone with 1 O P module Exp 4 or Exp5 with power supply Data Ribbon Data out connector on the O P module J6 on C1633 and C1635 Connector J2 on O P module 1 left hand most module Figure 16 Aux DC...

Page 10: ...fit a C1630 output expansion interface to connectors J4 and J5 see Figure 7 J21 must be removed before the interface board can be fitted The board should be held in place by the 12mm high plastic spac...

Page 11: ...ctional All O Ps operate on any zonal fire On Off Off Z 1 8 On On Off Z9 16 On Off On Z17 24 On On On Z25 32 C1633 Connectors J1 Programming header J2 Comms to panel motherboard J3 Power out J4 Power...

Page 12: ...er Marine Panels only C1634 Connectors J1 Programming header J2 Comms and power from panel motherboard Figure 9 C1634 PCB Layout ZONAL ZN1 ZN0 AD1 AD0 1 2 3 4 5 SW1 J3 J2 SW2 PROC FAULT RESET COMS FLT...

Page 13: ...n FP N A On On Off Z9 16 On FP N A On Off On Z17 24 On FP N A On On On Z25 32 Notes SNDR Sounders FP Fire Protection When panel SW 2 6 is on If panel SW2 7 is off non alarm zones are silent If panel S...

Page 14: ...and any subsequent sounder circuits 7 2 2 Powered fault monitored Fire Protection outputs C1635 modules configured as Fire Protection O Ps 1 Ensure any fire protection equipment to be controlled via...

Page 15: ...one to operate the output and check that the output does not operate Reset the panel and re enable the Fire Protection O Ps after the test 6 Final testing and commissioning of the loop through to the...

Page 16: ...4 way O P enclosure with max 4 O P modules with or without optional 5 Amp PSU and batteries 5 Precept EN 32 with Exp 5 5 way O P enclosure with max 5 O P modules with or without optional 5 Amp PSU an...

Page 17: ...ith max 5 O P modules with or without optional 5 Amp PSU and batteries C1634 J2 Data ribbon Aux DC J17 J24 C1627 Motherboard Precept EN Exp 4 4 way O P expansion enclosure with 4 modules powered from...

Page 18: ...ulation must be carried out for each application Aux DC TB1 28V 0V MFlt CFlt TB5 J1 PWR Flt O Ps C1652 5 Amp PSU Aux DC Mains Flt Comm PSU Flt Aux DC or use additional PSU J2 C1635 J6 J2 C1635 J6 Note...

Page 19: ...s Data ribbon Precept EN 32 with 5 Amp PSU Precept EN Exp 5 5 way O P expansion enclosure C1627 Precept EN Motherboard Aux DC Further expansion modules PSU load calculation must be carried out for eac...

Page 20: ...re with 4 modules powered from the Precept EN panel Aux DC Note All C1634 modules must be connected at the end of the sequence J2 C1633 J6 J4 J3 J2 C1633 J6 J4 J3 J2 C1635 J6 J3 J5 J3 C1634 J2 J3 Aux...

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