APC GLF50KF - Manuals

Specifications Environmental Recommendations Recommended Environment 20° to 25°C (68° to 77°F.); 50% relative humidity; computer room or othertemperature, and humidity-controlled environment Operating Temperature 0° to 30°C (32° to 86°F) except battery Storage -20° to 40°C (-4° to 113°F) except batt...

Mechanical Assembly General Description The MGE Galaxy 4000 is the world’s first data center grade Uninterruptible Power Supply systemdesigned specifically for mid-range enterprise level applications. The MGE Galaxy 4000 familyconsists of units available in power ratings from 40 - 75KVA, and are opt...

Major Components Rectifier Converts AC input voltage to DC voltage. The rectifier uses IGBT (InsulatedGate Bipolar Transistor) power transistors and a Pulse Width Modulated (PWM)technique to provide input power factor correction and to minimize any harmonicreflected onto the input power lines. Inver...

Preparation for Operation Several items must be considered when preparing the MGE Galaxy 4000 UPS system for operation. 1. The UPS cabinet and its auxiliary cabinets must be arranged in the required configuration toinsure that the interconnection cables are located in the correct adjacent cabinets. ...

Heat Rejection The MGE Galaxy 4000 UPS cabinets generate heat and exhaust air through the top portion of itsenclosures. Air intake is through the bottom and front of the cabinet. All other cabinets are convectioncooled. To assist you in planning for your HVAC needs, heat rejection data is provided i...

Prepare the Installation Conduit Plate Locations for Bottom Entry Cable entry through the bottom is the standard preferred design for the MGE Galaxy 4000 UPScabinet. The bottom entry conduit plate provides space for up to five (5) separate conduit entries. Theplate is secured with screws which shoul...

Conduit Plate Locations for Top Entry The UPS cabinet for the MGE Galaxy 4000 is capable of accepting power input and output cablesthrough a top entry. The conduit plate on the top of the cabinet provides provisions for knockouts forconduit and is secured to the cabinet with screws. A 10 x 20.5 cond...

Connect AC Input and Power Cables Installation Steps APC recommends correct installation verification and unit startup to be performed by an APCcertified Service partner. Caution: Scheduling of the APC certified Service partner typically should be done 7 to 10 days before they are required on-site. ...

Typical Power Connections A Front view N B B Rear area O C C Front P Output TB2 D TB4 Q A E TB1 R B F TB2 S C G Ground T TB3 Bypass input H NeutralNegativePositiveBusbars U TB1 Main input I TB4 Control V Ground J A W Neutral K B X Battery Positive L C Y Battery Negative M A Z Busbars 990–3964–001 MG...

UPS Connections Electrical connections and cabinet interconnection will vary depending upon the configuration andoptions selected with your MGE Galaxy 4000 UPS system. Refer to the installation drawings suppliedwith your equipment. Connecting Power Cable Connections: To access the connection termina...

Connect Battery Cables Battery Connections The connections to be made are the positive, negative, and ground cables from the battery cabinet tothe UPS. The battery cables are terminated at the positive, negative, and ground busbars. See “Typical Power Connections“ . Battery Control Connections The b...

Connect AC Output AC Output Connections The connections to be made are the three phases, neutral, and ground cables from the load to theUPS. The output cables are terminated at the output terminal block (TB2). See “Typical Power Connections“ . External Maintenance Bypass Control Connections(optional...

Connect Remote Emergency Power Off Remote Emergency Power Off Connections The control connections are available for Remote Emergency Power Off (REPO) through acustomer-supplied (normally closed) pushbutton. With REPO connected, the jumper on the REPOterminal blocks must be removed. See “Typical Powe...

Connect Relay Communication Card Relay Communication Card Contacts The relay communication card contains six programmable dry contact outputs and two programmabledry inputs and is standard on the MGE Galaxy 4000. The inputs and outputs are factory programmedaccording to functions listed in table bel...

Relay Communication Card Connections Refer to “Relay Communication Card Contacts“ for relay communication card, cover and hardware details. See “MGE Galaxy 4000 40–75 kVA 208 V Operation Manual — Operation — Preparing for Startup“ for communication card port location in the unit. 1. Remove the cover...

Appendix Single Line Diagram A UPS M Main Input TB1 B Battery N Optional Bypass Input 208YVAC C Distribution O Main Input 280YVAC D Supplied by MGE & Connectedby customer P Input Fuses E To critical load Q Input Static Switch F 42 Pole Panel board R PFC Boost Rectifier G Output (optional) S Inve...