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©1996 Alpha TechnologiesAM / AP SERIESStandby Power SuppliesAM 660 SeriesAM 960 SeriesTechnical Manual

INTRODUCTION1.1 The AM / AP Series Standby Power SupplyAlpha AP Series standby power supplies are designed for powering signal processingequipment in

1.2 Theory of OperationThe AM Series power module contains a ferroresonant transformer, resonant capacitor,dual-mode temperature-compensated battery c

1.2 Theory of Operation, continued1.2.3 Charger OperationThe AP Series power supply uses a dual-mode, temperature-compensated battery charger.During A

41. INTRODUCTION1.3 SPECIFICATIONSMODELCONFIGURATIONINPUTVoltage (VAC)Frequency (Hz)Current Max. (A)1Low AC Ref. (VAC)OUTPUTVoltage (VAC)Current Max.

51. INTRODUCTION1.3 SPECIFICATIONS, continuedRegulationInput Voltage (VAC) +/- 15%Input Frequency (Hz) +/- 3%Output Voltage (VAC) +/- 5%Output Frequen

THE AM SERIES FRONT PANEL2.1 - Ammeter2.2 - AC Output Fuse2.3 - Battery Circuit Breaker2.4 - LINE ON Lamp2.5 - STANDBY Lamp2.6 - Elapsed Time Meter (o

7FRONT PANEL2.1 AmmeterThe front panel ammeter displays output current flowing from the power module into the load.It is extremely useful in determini

THE AM SERIES SIDE PANEL109876543213.13.23.2.13.2.23.2.33.2.43.2.53.1 AC Power Cord3.2 10-Pin Terminal Strip3.2.1 Battery Connection (Pins 1 and 2)3.2

SIDE PANEL3.1 AC Power CordThe module’s AC power cord plugs directly into the enclosure’s convenience outlet. Sincethe module does not have an ON/OFF

104. STANDARD FEATURESSTANDARD FEATURESAP Series Standby Power Supplies are available in the following packages:AM 60V Series power module with standa

CAUTIONRISK OF ELECTRICAL SHOCKCAUTION:TO REDUCE THE RISK OF ELECTRICAL SHOCK,AND ENSURE THE SAFE OPERATION OF THIS UNIT, THEFOLLOWING SYMBOLS HAVE BE

OPTIONAL FEATURESThe following options can be ordered factory installed or, in most instances, can be fieldretrofitted by qualified service personnel.

125. OPTIONAL FEATURES5.8 BCK - X (Battery Cable Kit)Battery Cable Kits are heavy-duty wiring assemblies used to connect (3) gelled electrolyte,or eq

135. OPTIONAL FEATURES5.18 APP60S (Service Power Supply)The APP60S is a portable, non-standby power supply used to provide conditioned AC powerto the

145.23 PS Series (Pedestal Supports)Alpha pedestal supports provide a quick, one-step solution for ground-mount enclosureinstallations. Constructed o

5.26 Instructional VideotapesInstructional videotapes are available for AP Series power supplies including ProductOverview, Theory of Operation, Insta

166. INSTALLATIONINSTALLATIONTo ensure operator safety:1. Power supplies should be installed only by qualified personnel and in accordancewith applica

176. INSTALLATION6.2 Pole-mount Enclosure Installation (PME and PWE)PME and PWE enclosures are designed to be mounted on wooden poles; however, specia

186. INSTALLATION6.3 Ground-mount Enclosure Installation (UPE and UPE/M)UPE and UPE/M enclosures are designed to bolt directly to a Pedestal Support o

NeutralACLineUtility Grounding Clampon underside of enclosureGround (green)Chassis GroundNeutralACLineUtility Grounding Clampon underside of enclosure

6.5 Connecting the SPI (Service Power Inserter)Procedure: (Refer to SPI drawing located at the back of the manual)1. Prepare the incoming coaxial cabl

IMPORTANT TECHNICAL NOTECAUTION:When operating the AP Series Standby Power Supply, a minimumload of at least 1.5 Amperes (approximately 10% of the out

216. INSTALLATION6.6 Battery Installation and WiringWHENEVER INSTALLING OR REPLACING BATTERIES, DO NOT ALLOW LIVE BAT-TERY WIRES TO CONTACT THE ENCLOS

226. INSTALLATION6.6 Battery Installation and Wiring, continuedAttach the RTS BatteryTemperature Sensor to eitherside of the center battery usinghigh-

236. INSTALLATION6.7 Power Module InstallationAM Series power modules are placed in the lower-right compartment of PME enclosures; theupper-right comp

6.8 Logic Cards - Installation, Removal and OperationTHE POWER MODULE MUST BE COMPLETELY POWERED DOWN WHENEVERINSTALLING, REMOVING OR RESEATING A LOGI

256.8.2.1 APM Battery Charging SelectionRotary switches (S2) and (S3), located on top of the APM, are used to select FLOAT andEQUalize charge voltages

266. INSTALLATION6.8.3 RPM (Remote Parallel Monitor)The optional, RPM status monitoring logic upgrade plugs directly into connector J2 locatedon the c

276. INSTALLATION6.8.3 RPM (Remote Parallel Monitor), continuedConfigurations subject to change without notice.RPM-J (Jerrold "RSM")Designed

286. INSTALLATION6.8.3 RPM (Remote Parallel Monitor), continuedRPM-LL (Magnavox "Lifeline")Designed for systems utilizing the Magnavox Lifel

29OPERATION7.1 Power Module Start-up and TestingOnce connections have been made to the power module, it should be tested for AC LINE andSTANDBY operat

7.2 Identifying Modes of OperationIt is extremely important to be able to recognize the modes of operation indicated by the powermodule's front p

The AM / AP Series Standby Power SupplyIMPORTANT SAFETY PRECAUTIONSTHE POWER SUPPLY SHOULD BE SERVICED ONLY BY QUALIFIED PERSONNEL.THE POWER SUPPLY CO

317.2.3 SELF-TEST / TRANSFER MODE - Green Lamp ON (Red Lamp ON):Indicates that the power supply is in either self-test or transfer mode. If the modul

7.3 Power Module ShutdownWhen a power module needs to be removed from service, an Alpha APP60-S Service PowerSupply is recommended as an alternate non

33PREVENTIVE MAINTENANCEMaintenance should be performed every three months. If the power module fails to performa specific function, refer to the tro

348.3 Check Battery Voltage Under LoadIf the batteries appear functional, reconnect the negative battery cable to pin 1 and switchthe module's ba

358.8 APM Manual Self-testOn units equipped with APM logic cards (Automatic Performance Monitor), self-test can bemanually activated to trouble-shoot

8.10 Internal Fuse ReplacementCAUTION: WHENEVER CHECKING OR REPLACING A FUSE ON THE MAIN POWERBOARD, MAKE SURE THAT THE POWER MODULE IS COMPLETELY POW

37TROUBLE-SHOOTING AND REPAIRThe trouble-shooting guide is designed to display typical symptoms, causes and solutions,starting with the most obvious a

389. TROUBLE-SHOOTING AND REPAIR9.3 Common Parts for AP Series Standby Power Supplies, continuedAlpha Part Number DescriptionCAPACITORS190-013-10 0.00

9.3 Common Parts for AP Series Standby Power Supplies, continuedAlpha Part Number DescriptionIC SOCKETS521-004-10 14-Pin IC Socket521-006-10 16-Pin IC

9.3 Common Parts for AP Series Standby Power Supplies, continuedAlpha Part Number DescriptionRELAYS491-001-10 Relay, LRI491-013-10 4PDT Contactor 24VD

The AM / AP Series Standby Power SupplyBATTERY CHARGINGALWAYS REFER TO THE BATTERY MANUFACTURER’S RECOMMENDATION FORSELECTING CORRECT FLOAT AND EQUALI

419.4 TROUBLE-SHOOTING GUIDESYMPTOM PROBABLE CAUSE REMEDYNo output to cable; Utility power outage. Use voltmeter to verifyNo AC line power; 120 VAC at

9.4 TROUBLE-SHOOTING GUIDE, continuedSYMPTOM PROBABLE CAUSE REMEDYLow output voltage when Defective inverter Replace powerunit is in STANDBY mode. tra

9.4 TROUBLE-SHOOTING GUIDE, continuedSYMPTOM PROBABLE CAUSE REMEDYIncorrect or, no float or Battery breaker OFF, Switch battery breaker ON,equalize ch

4410. WARRANTYWARRANTY.Alpha Technologies, Inc., provides a LIMITED WARRANTY covering theperformance of its Broadband products. The terms and conditi

Printed in the USA 026-006-B0-002 8/98USAASIA PACIFICLATIN AMERICAAlpha Technologies3767 Alpha WayBellingham, WA 98226Tel: (360) 647-2360Fax: (3

Table of Contents1. INTRODUCTION 11.1 The AM / AP Series Standby Power Supply1.2 Theory of Operation1.2.1 AC (LINE) Operation1.2.2 Inverter (STANDBY)

Table of Contents, continued5. OPTIONAL FEATURES 115.1 APM (Automatic Performance Monitor)5.2 RPM (Remote Parallel Monitor)5.3 LRI (Local and Remote I

Table of Contents, continued7. OPERATION 297.1 Power Module Start-up and Testing7.1.1 AC Line Operation (LINE)7.1.2 Inverter Operation (STANDBY)7.2 Id

Table of Contents, continuedILLUSTRATIONS (contained in the manual)AM Series Power Module Front PanelAM Series Power Module Side PanelPME and PWE Encl