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Summary of Contents for HP E1135C
- Page 1 HP E1135C POWER DISTRIBUTION UNIT Operating and Service Manual Manual Part No. E1135-90001 © Copyright Hewlett-Packard Company 1998–1999 Printed in USA Rev. C 10/1999...
- Page 2 NOTICE This manual is provided "as is" and is subject to change without notice. HEWLETT-PACKARD MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- Page 3 HP E1135C PDU Manual MANUAL PRINTING HISTORY AND SYSTEM SOFTWARE REVISIONS This page lists this manual's printing history and the test system's software revisions. If you receive manual updates or system software revisions, a new Printing History Page will accompany the updates and revisions. It is important that you insert the new Printing History Page in the manual and remove the old one.
- Page 5 3. HP does not warrant that the operation of HP products will be uninterrupted or error free. If HP is unable, within a reasonable time, to repair or replace any product to a condition as warranted, customer will be entitled to a refund of the purchase price upon prompt return of the product.
- Page 6 SAFETY SYMBOLS Instruction symbol affixed to product. Indi- Alternating current (ac). cates that the user must refer to the manual for specific WARNING CAUTION Direct current (dc). information to avoid personal injury or damage to the product. Indicates hazardous voltage. Indicates the field wiring terminal that must be connected to earth ground before operating the WARNING Calls attention to a procedure, practice, or...
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Page 7: Table Of Contents
Installation / Marking the PDU ..........31 HP E1135C POWER DISTRIBUTION UNIT Rev. C... - Page 8 Connecting a Pigtail to the E1135C PDU ........
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Page 9: Product Description
Front PRODUCT DESCRIPTION The HP E1135C Power Distribution Unit (PDU), which is a direct replacement for the E1135A/B PDU, receives ac mains power and distributes it to several branch circuits. It is suitable for any OEM application in which branch ac circuits must be controlled locally or remotely. - Page 10 PRODUCT DESCRIPTION HP E1135C POWER DISTRIBUTION UNIT Rev. C...
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Page 11: Physical Description
Table 1 lists the operating voltages (ac mains) of the PDU and indicates the pages that describe how to connect the different mains configurations to the PDU. The nominal operating frequencies are 50 or 60 hertz. Table 1. HP E1135C PDU Operating Voltages Input Voltage Page 120/208–240/415 V 3-Phase Wye with Neutral... -
Page 12: Functional Block Diagram
Outputs Enabled Switch Outputs Enabled Indicator Outlets/Receptacles Emergency Shutdown Line/EMO Error See the text (EMO) Switch Indicator "Rear Panel Receptacles" Branch In Branch Out BLOCK.WPG Figure 2. HP E1135C PDU Functional Block Diagram HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 13: Output Terminal Block
Figure 2, each of the ten lines is protected by a 15-amp circuit breaker. Loads can be wired line-to-line or line-to-neutral depending on the mains configuration and the load voltage requirements. Figure 3. The Output Terminal Block HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 14: Rear Panel Receptacles
Table 5, on page 23. rear panel receptacles "Switched" are switched by the contactor under control by the PDU's Control rear panel receptacles Board; "un-switched" are always on unless the Mains Disconnect is switched off. HP E1135C POWER DISTRIBUTION UNIT Rev. C... - Page 15 LL1 LL2 NEU LL1-LL2.wpg Figure 4. Terminal Block Connections HP E1135C POWER DISTRIBUTION UNIT Rev. C...
- Page 16 Neu/Line Line Grn/Yel Neu/Line OUTLETSD.WPG 4-Circuit Configuration Grn/ Grn/ Grn/ Grn/ Gnd Neu/ Line Neu/ Neu/ Neu/ Line Line Line Line Line Line Line Figure 5. Configurations of Rear Panel Outlets (External View) HP E1135C POWER DISTRIBUTION UNIT Rev. C...
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Page 17: The Control Board
J2 - Main/Branch control, Line/EMO Error Indicator J1 - Outputs Enable Switch, Output Indicator 115V S1 - 115 / 230 V 230V switch J4 - To the ac mains BOARD.WPG Figure 6. The Control Board HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 18: Switches On The Control Board
PDU, and the outputs of the PDU cannot be turned on (enabled). The Main/Branch Switch (S2) sets the PDU to be either a "main" PDU or a "branch" PDU. These functions are described on page 18. HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 19: Specifications
4,000 volts peak max (IEC installation category III) Pollution degree: The HP E1135C PDU is intended for indoor use only; DO NOT use it outdoors. The PDU conforms to the European Community Machinery Directive. There are no preventive maintenance requirements for the PDU. To clean the outer surface of the PDU, use a clean dry cloth. -
Page 20: Where To Get Help
If you need technical assistance with this product, contact HP's Measurement Systems Knowledge Center (MSKC). In the U.S. call 1-800-593-6635 with your MSKC support handle. Outside the U.S. call your local HP Service Representative to access the MSKC. OPERATING DESCRIPTIONS The Outputs Enable Switch The Outputs Enable Switch switches ac mains power to the Control Board. -
Page 21: Wiring A Remote Outputs Enable Switch
If a branch or sub-branch PDU does not have its own Outputs Enable Switch, then it must have a jumper wired between terminals 1 and 4 of connector J1 on its Control Board; otherwise, the PDU cannot be enabled (turned on). HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 22: Controlling The Output With An External Signal
When the outputs are on, an isolated signal between 10 and 15 volts dc is present at J2 pins 3 (+) and 4 (-). This signal can be used to control other PDUs. HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 23: The Outputs Enabled And Line/Emo Error Indicators
The Emergency Shutdown (or EMergency Off, EMO) function gives you the capability of switching off (opening) the switched outputs of the PDU immediately — in case of emergency — from any EMO switch located around a system. As many EMO Switches as desired can be HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 24: Restoring Power After An Emergency Shutdown
There MUST be either a closed switch or a jumper wired to the EMO terminals (J2 pins 5 6); otherwise, the outputs cannot be turned on. Figure 9. Wiring an Emergency Shutdown Switch HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 25: The Line Monitoring Function
Line/EMO Error Indicator will remain lit. To reset the PDU, switch the Outputs Enable Switch off for at least 15 seconds and then on again; this will restore the output. HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 26: The Branch Control Function
PDU, ignore this section. Set S2 on the Control Board to the MAIN position. An HP E1135C PDU can be used to control one or more other HP E1135 PDUs in a hierarchy as shown on page 19. The PDUs are defined as: Main PDU: There can be only one main PDU in a hierarchy. -
Page 27: Setting Up Branch Pdus
Ensure that '+' terminals are only connected to other '+' terminals and ' terminals are only connected to other ' ' terminals. If a '+' and ' ' terminal are connected together, the circuits will not function properly. HP E1135C POWER DISTRIBUTION UNIT Rev. C... - Page 28 If the sub-branch PDU does not have its own Outputs Enable Switch or EMO Switch, then it must have jumpers wired in place of these switches. Otherwise, the outputs cannot be turned on. HP E1135C POWER DISTRIBUTION UNIT Rev. C...
- Page 29 If the branch or sub-branch PDU does not have its own Outputs Enable Switch or EMO Switch, then it must have jumpers wired in place of these switches. Otherwise, the outputs cannot be turned on. HP E1135C POWER DISTRIBUTION UNIT Rev. C...
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Page 30: Wiring The Ac Mains And Loads To The Pdu
CAUTION For electrical safety, do not connect more than one wire to a terminal on the output terminal block. Each terminal has two terminations on the terminal block. See Figure 3, page 5. HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 31: Stripping Wires And Torqueing Terminals
T1, T2, T3 terminals match the L1, L2, L3 terminals of the previous PDU. There are fewer terminals on the output block of the E1135C, but the labels are the same. Stripping Wires and Torqueing Terminals To ensure that all input and output wires are safely connected in the PDU, strip the wires and torque the terminal screws as shown in Table 5. -
Page 32: Fabricating A Jumper
50-millimeter (2-inch) length of wire, sized appropriately for the load. Insert both the mains wire and the jumper wire in the same terminal on the Mains Disconnect Switch. Figure 13. Jumper HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 33: 120/208-240/415 V 3-Phase Wye With Neutral
Set the Voltage Selector Switch (S1) on the Control Board to 230V (page 9). Wiring Loads: If the line-to-line voltage is greater than 250 volts, wire loads line-to-neutral only. If the line-to-line voltage is less than 250 volts, wire either line-to-line (full voltage) or line-to-neutral. HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 34: 208 Or 220 V 3-Phase Wye
1/4-inch flat blade screwdriver for the Mains Disconnect Switch 1/8-inch flat blade screwdriver for the Output Terminal Block Set the Voltage Selector Switch (S1) on the Control Board to 230V (page 9). Wiring Loads: Wire line-to-line. HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 35: 100/200-120/240 V Three-Phase Delta
1/4-inch flat blade screwdriver for the Mains Disconnect Switch 1/8-inch flat blade screwdriver for the Output Terminal Block Set the Voltage Selector Switch (S1) on the Control Board to 230V (page 9). Wiring Loads: Wire line-to-line. HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 36: 120/208-240/415 V Single-Phase Wye With Neutral
Set the Voltage Selector Switch (S1) on the Control Board to 230V (page 9). Wiring Loads: If the line-to-line voltage is greater than 250 volts, wire loads line-to-neutral only. If the line-to-line voltage is less than 250 volts, wire either line-to-line (full voltage) or line-to-neutral. HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 37: 100/200-120/240 V Single Phase With Center-Tap Neutral
1/8-inch flat blade screwdriver for the Output Terminal Block wire jumper between T2 and T3 (page 24) Set the Voltage Selector Switch (S1) on the Control Board to 230V (page 9). Wiring Loads: Wire line-to-line or line-to-neutral. HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 38: 200-240 V Single Phase Non-Earthed
1/4-inch flat blade screwdriver 1/8-inch flat blade screwdriver wire jumper between T2 and T3 (page 24) Set the Voltage Selector Switch (S1) on the Control Board to 230V (page 9). Wiring Loads: Wire line-to-line. HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 39: 100-240 V Single Phase Earthed
After installing the PDU in a system, check and mark the front and rear panels of the PDU as appropriate where you see this symbol. Use an indelible felt-tip marker. Marks can be removed using isopropyl alcohol. HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 40: Connecting A Pigtail To The E1135C Pdu
The E1135C PDU is the replacement for the E1131A, and E1135A/B PDUs. The input terminals on the E1135C on the mains disconnect switch easily fit wire size 10 square millimeters (#8 AWG). It is strongly suggested that if the recommended wire size in the... -
Page 41: Service Information
Repair Strategy The HP E1135C PDU is not intended for component-level repair. If a repair involves more than resetting a circuit breaker or replacing a blown (open) fuse, order a replacement PDU from HP. The PDU is available in different configurations, so consult your HP representative. The Parts List on page 38 includes covers and miscellaneous hardware that can be replaced or added to the PDU. -
Page 42: Troubleshooting From The Led Indicators
One source of information that explains how to reliably measure the mains and correct low-line problems is a power primer called Why Peak Measurements are More Reliable then RMS Measurements (HP E4000-90037, December 1995), available through your HP representative. -
Page 43: Troubleshooting From Symptoms
** If the outlets are wired for switched operation Branch Control Does Not Work Check: Main/Branch switch (S2) set incorrectly (page 19). Branch In/Out terminals not wired with the correct polarity (page 19). HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 44: Fuses
The un-switched power fuses (10 AF, 250 V, Part Number 2110-0051) are located on the terminal block next to the Mains Disconnect Switch as shown in Figure 22. Figure 22. HP E1135C PDU Fuse Locations CAUTION Exercise care when screwing in the fuse holders. The threads are fine and it is easy to cross-thread or strip them. -
Page 45: Circuit Breakers
Output Terminal Block 15 A CB10 CB10 BREAKERS.WPG Figure 23. Circuit Breaker-to-Switched Output Mapping CAUTION These circuit breakers are not switches. Any attempt to switch them off will result in permanent damage to the breakers. HP E1135C POWER DISTRIBUTION UNIT Rev. C... -
Page 46: Parts List
Screw, M3.5 x 8, T10 Torx, for covers 0515-0387 Internal Parts: Cable clamp, plastic 0400-0377 Fuse, 10 AF, 250 V 2110-0051 Hole filler plug 6960-0177 Screw, M3.5 x 6, flat head, T10 Torx 0515-1604 HP E1135C POWER DISTRIBUTION UNIT Rev. C...