APC MX28B-400 - Manual - manualsarea.com

Page 2 - ii

Page 3 - iii; REVISION HISTORY; Revision Date; RET

MX28B-400 +24V Product Manual 990-9218 iii REVISION HISTORY Revision Date By Description 1 04/19/02 RET Initial release.

Page 4 - iv

Page 6 - vi; DC SYSTEM GROUNDING

MX28B-400 +24V Product Manual vi 990-9218 5.4 DC SYSTEM GROUNDING ................................................................................................................ 17 5.5 R ECTIFIER I NSTALLATION ............................................................................................

Page 7 - GENERAL INFORMATION; before beginning actual installation of the power system.; upon taking delivery while the; STILL ON SITE; . Please be sure that all items are accounted for,

MX28B-400 +24V Product Manual 990-9218 1 1. GENERAL INFORMATION 1.1 Introduction DC Power Plants from APC DC Network Solutions Inc. have unique features that make them easy to install, maintain, and upgrade. The rectifier units are modular and truly “hot-pluggable” into the shelf assembly without an...

Page 9 - CUSTOMER SERVICE AND SUPPORT; If there is a problem with the power system, contact APC at

MX28B-400 +24V Product Manual 990-9218 3 2. CUSTOMER SERVICE AND SUPPORT APC DC Network Solutions Inc. manufactures a line of power plants and provides customers with complete product and systems support and service. APC DC Network Solutions Inc. has an international network of factory trained servi...

Page 11 - WARRANTY PROVISIONS; General Provisions

MX28B-400 +24V Product Manual 990-9218 5 3. WARRANTY PROVISIONS 3.1 General Provisions APC DC Network Solutions Inc. warrants the power equipment and components it manufactures or sells against defective materials and workmanship for a period of TWO (2) YEARS from the date of shipment. 3.1.1 Warrant...

Page 13 - PRODUCT OVERVIEW AND TECHNICAL DESCRIPTION

MX28B-400 +24V Product Manual 990-9218 7 4. PRODUCT OVERVIEW AND TECHNICAL DESCRIPTION 4.1 Description The APC DC Network Solutions Inc. Model MX28B is a modular stand-alone 24V dc power plant. It is configurable in such a manner that it will support most typical applications within the current rang...

Page 17 - Power Output Capacity

MX28B-400 +24V Product Manual 990-9218 11 4.2 Power Output Capacity The power supplies a maximum of 400 amps or 300 amps with N+1 redundancy. The housing for this configuration provides space for one rectifier shelf that can hold up to four rectifiers, a control unit, and one tier of up to 24 distri...

Page 18 - Battery connections; shows the power

MX28B-400 +24V Product Manual 12 990-9218 4.6 Battery connections Top entry battery connections are made at the top rear of the unit (see Figure 4.6-1). The voltage and return buses each provide two sets of threaded 3/8”-16 holes on one-inch centers for connecting two-hole battery cable lugs. A batt...

Page 21 - INSTALLATION PROCEDURES; Standard selection of insulated hand tools.; It is recommended that:

MX28B-400 +24V Product Manual 990-9218 15 5. INSTALLATION PROCEDURES 5.1 Preparation 5.1.1 Recommended Tools • = Standard selection of insulated hand tools. • = Proper tools for crimping the selected cable lugs. 5.1.2 Recommended Test Equipment • = Digital Multimeter 5.1.3 Equipment Inspection Remov...

Page 22 - AC Service and Ground Connections

MX28B-400 +24V Product Manual 16 990-9218 Prior to installation, drawings, floor loading requirements, external alarm points, ac service entrance, and grounding schemes should all be checked and confirmed. If batteries are to be mounted in a room separate from the power plant, careful attention shou...

Page 23 - ) Remove the rectifier from its shipping container.

MX28B-400 +24V Product Manual 990-9218 17 5.3 Battery Connections 5.3.1 Battery Disconnect An external circuit breaker (not supplied) is required in the negative line (located at the battery end) to protect the cables from the battery to the MX28B dc power plant. The power plant can monitor auxiliar...

Page 24 - Alarm Connections; OPEN

MX28B-400 +24V Product Manual 18 990-9218 5.6 Alarm Connections The alarm connections for all rectifiers, breakers, and fuses are factory pre-wired. The MX28B dc power plant, however, permits the user to program the system alarms in various ways. 5.6.1 External Alarm Inputs Four external alarm input...

Page 26 - Installation of Circuit Breakers and Fuses; but not when it is turned OFF.; ) Reattach the circuit breaker cover panel.

MX28B-400 +24V Product Manual 20 990-9218 A list of GMT type fuses available from APC DC Network Solutions Inc. is provided in Table 5.7-2. FUSE RATING PART NUMBER 1/4 A FFA-0030 1/2 A FFA-0031 3/4 A FFA-0032 1 A FFA-0033 1¼ A FFA-0039 1½ A FFA-0035 3 A FFA-0036 5 A FFA-0037 10 A FFA-0038 Table 5.7-...

Page 28 - Battery Temperature Probe Installation; the probe on the battery cell cover.; OFF; STATUS ALARMS SYSTEM MODULES BATT PIN OEM

MX28B-400 +24V Product Manual 22 990-9218 5.8 Battery Temperature Probe Installation The optional temperature probe is used to monitor the battery string temperature. To get the most representative temperature measurement, the probe should be placed in contact with a battery cell that is centrally l...

Page 31 - password reverts to; APC; External Alarm Inputs; “Relay 6”. Screens for making the assignments are

MX28B-400 +24V Product Manual 990-9218 25 6. SETUP, ADJUSTMENTS, AND OPERATION 6.1 User Interface The MX28B control unit provides a user interface designed with a hierarchical menu that can be viewed on the 32-character display by “navigating” with the “ ” (left), “ ” (right), “ ” (up), and “ ” (dow...

Page 32 - Alarm Output Relays

MX28B-400 +24V Product Manual 26 990-9218 [SYSTEM/IN-RLY/ALIAS] . For information on wiring connections to these inputs refer to Section 5.6.1. 6.3 Alarm Output Relays There are eight alarm output relays designated Relay 1 through Relay 6, Minor, and Major, respectively. Various system parameters ma...

APC MX28B-400 - Manual

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