Honeywell SE 3708C Technical Manual Download

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UNINTERRUPTABLE

POWER MODULE

SE 3708C

5452 Betsy Ross Drive

Santa Clara, CA 95054-1184

(408) 727-5170

FAX (408) 727-6707

P/N 66108566001, Rev. B

TECHNICAL

MANUAL

Summary of Contents for SE 3708C

Page 1: ...UNINTERRUPTABLE POWER MODULE SE 3708C 5452 Betsy Ross Drive Santa Clara CA 95054 1184 408 727 5170 FAX 408 727 6707 P N66108566001 Rev B TECHNICAL MANUAL ...

Page 2: ...SE 3708C Uninterruptable Power Module SE 3708C ii 66108566001 Rev B ...

Page 3: ...ntegral to WSE Systems have been approved by WSE e g coax batteries etc and VI the Equipment has been installed the installation supervised or installation tested by an unauthorizedWSEDealer WSE s Proximity Command Keys are warranted for 5 years WSE shall at its option either repair or replace free of charge the Equipment found upon WSE s inspection to be so defective or if agreed upon refund the ...

Page 4: ...d used in accordance with the instructions herein may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by...

Page 5: ...2 4 2 2 1 Low Voltage Switching Power Supply Circuitry 2 5 2 2 2 Battery Disconnect Circuitry 2 5 2 2 3 Control and Indicators Circuitry 2 5 2 2 4 400 Hz Inverter 2 6 2 2 5 Power On Off Switch and Pilot Light 2 6 SECTION 3 INSTALLATION 3 1 LOCATION and MOUNTING 3 1 3 2 WIRING REQUIREMENTS 3 1 3 2 1 ACU Cable Connections 3 2 3 2 2 Lock Power Wiring Connections 3 3 3 2 3 Battery Cable Connections 3 ...

Page 6: ...SE 3708C Uninterruptable Power Module SE 3708C vi 66108566001 Rev B ...

Page 7: ...the SE 3708C placing the unit in operation and performing the troubleshooting procedures described herein RepairstotheSE3708Cshallbelimitedtothosethatcanbeperformedwithoutremovingtheunitfrom its case with the exception of replacing fuses The information contained in this manual assumes that the reader is familiar with access control and alarm monitoring technology and standard installation practic...

Page 8: ...s a true uninterruptable power supply in that it can take power either from the power lines or from external storage batteries which are always on line in case the power fails Normally when AC power is available the batteries are always kept charged when the power fails the batteries take over immediately until AC power is restored To accomplish this the 3708C is actually two power supplies workin...

Page 9: ...ition to those listed above may cause the 3708C to be damaged or operate incorrectly As noted installation personnel should be careful to avoid overloading the system However due to thevarietyoflocksandsystemconfigurationsavailable itisimpossibletostateexactlyhowmanylocks the SE 3708C is capable of driving However for a typical system configuration consisting of one Access Control Unit controlling...

Page 10: ...L OF BATTERIES IS REQUIRED REFER TO YOUR LOCAL CODES FOR DISPOSAL REQUIREMENTS L ELIMINATION DES BATTERIES EST REGLEMENTEE CONSULTER LES CODES LOCAUX A CET EFFET Table 1 2 Recommended Standby Batteries Manufacturer Description Part Number Eagle Picher 12 V 31 amp hour sealed lead acid CFM12V33 Gates 12V 25 amp hour sealed lead acid 0820 0020 Yuasa 12 V 35 amp hour sealed lead acid NP38 12 Elpower ...

Page 11: ...66108566001 Rev B 2 1 SE 3708C SECTION 2 DESCRIPTION The SE 3708C Uninterruptable Power Supply Figures 2 1 and 2 2 provides the requisite input AC and DC power for WSE 700 series and 800 series ACUs ...

Page 12: ...SE 3708C 2 2 66108566001 Rev B Description SE 3708C Power Supply Manual Figure 2 1 SE 3708C Uninterruptable Power Module ...

Page 13: ...Description Introduction 66108566001 Rev B 2 3 SE 3708C Figure 2 2 SE 3708C Uninterruptable Power Module Cover Removed ...

Page 14: ...he control panel Output power connectors consisting of the Battery Power Connector and the System Power Connector are mounted on the right cover The rear of the unitconsistsofadeeply finnedheatsink Thetwo sidedperforatedcoveriseasilyremovedbymeans of four Phillips head screws for access to the chassis mounted components 2 2 FUNCTIONAL DESCRIPTION AfunctionalblockdiagramoftheSE3708CUninterruptableP...

Page 15: ...ation when the SE 3708C is being powered from the AC line the battery or batteries are being kept at full charge by means of the DC power 12 VDC or 24 VDC from the Low Voltage Switching Power Supply via the Battery Disconnect Circuitry and the Battery Fuse This circuitry keeps the backup battery connected as long as AC power is available Should a power failure cause loss of AC power to the SE 3708...

Page 16: ...the SE 3708C the BATT RESET switch must be pressed in order to pull in the Battery Disconnect Relay and apply DC power to the unit 2 2 4 400 HZ INVERTER As shown in Figure 2 3 the 400 Hz Inverter inputs the 12 24 VDC level from the Low Level Switching Power Supply via the Inverter Fuse The output of this circuitry supplies the ACU with its primary AC power Three power levels are supplied an 80 VAC...

Page 17: ...120 F 49 C or more cut ventilation holes or slots in both the bottom and the top of the enclosure If natural convection air current is insufficient to prevent an ambient temperature of more than 120 F a cooling fan must be used to force cooling air through the enclosure Do not install the backup batteries in the enclosure with the SE 3708C Corrosion from the batteries can damage or destroy other e...

Page 18: ...08C Power Supply Manual 3 2 1 ACU CABLE CONNECTIONS ACU Cable connections between the SE 3708C and the various ACU which it can power are shown in Figure 3 1 and Figure 3 2 below Figure 3 1 SE 707 SE 718 SE 764S SE 804 and SE 808 ACU Cable Connections ...

Page 19: ...08566001 Rev B 3 3 SE 3708C Figure 3 2 SE 818 ACU Cable Connections 3 2 2 LOCK POWER WIRING CONNECTIONS Wiring connections between the SE 3708C and the various ACUs it powers are shown in Figure 3 3 Figure 3 4 and Figure 3 5 below ...

Page 20: ...SE 3708C 3 4 66108566001 Rev B Installation SE 3708C Power Supply Manual Figure 3 3 SE 708 1 SE 708 5 SE 718 1 and SE 718 5 Lock Power Connections ...

Page 21: ...ections 3 2 3 BATTERY CABLE CONNECTIONS Connections between the SE 3708C and the various battery configurations using the Battery Cable are shown below Battery Connections for SE 3708C Unit Configured for 12 VDC Lock Power Battery connections for SE 3708C units that are configured to power 12 VDC Locks from one 12 VDC standby battery see Table 1 1 are shown in Figure 3 6 ...

Page 22: ...ons for SE 3708C Unit Powering 12 VDC Lock Power Battery connections for SE 3708C units that are configured to power 12 VDC Locks from two 12 VDC standby batteries connected in parallel see Table 1 1 are shown in Figure 3 7 Figure 3 7 Parallel Battery Connections for SE 3708C Unit Powering 12 VDC Lock Power ...

Page 23: ...dby battery see Table 1 1 are shown in Figure 3 8 Figure 3 8 Single Battery Connections for SE 3708C Unit Powering 24 VDC Lock Power Battery connections for SE 3708C units that are configured to power 24 VDC Locks from two 12 VDC standby batteries connected in series see Table 1 1 are shown in Figure 3 9 Figure 3 9 Series Battery Connections for SE 3708C Unit Powering 24 VDC Locks Using Two 12 VDC...

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Page 25: ...urs that can not be rectified by the replacement of a faulty cable or interface wiring or a fuse call WSE Customer Service for a Return Authorization Units returned without a Return Authorization will be refused Return faulty units to the following address Westinghouse Security Electronics 5452 Betsy Ross Drive Santa Clara CA 95054 1184 If you require a WSE Customer Support Technician for assistan...

Page 26: ...unit appears to function normally check ACU and system wiring 2 Low Voltage Switching Power Supply is faulty 2 Return unit to WSE Pilot Light comes on when ON OFF switch is placed in the ON position and locks are receiving power but no ACU power 400 Hz Inverter does not whine 1 Inverter Fuse is blown 1 Replace Inverter Fuse if fuse blows again return unit to WSE 2 400 Hz Inverter is faulty 2 Retur...

Page 27: ...olts AC Output 400 Hz square wave AC 2 amps at nominal 18 38 volts center tapped 1 amp at nominal 28 99 volts center tapped 0 1 amp at 15 56 volts DC INPUTS OUTPUTS DC Input DC from gel cell or sealed lead acid batteries rated between 20 and 40 amp hrs For 12 volt systems this can be a single 12 volt 40 Ah battery or two identical 12 volt 20 Ah batteries connected in parallel For 24 volt systems t...

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Page 29: ...existingversionsoftheSE3708UninterruptablePowerModulearelisted in Table B and summarized as follows SE 3708 System power cord is attached to unit SE 3708A System power cord is removable and connects to unit via a Molex connector SE 3708B System power cord connects to unit via round 14 pin connector Battery power connects to unit via round 4 pin connector SE 3708C Input voltage select feature delet...

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