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Related Manuals for Eaton 9EHD-33-40/20
Summary of Contents for Eaton 9EHD-33-40/20
- Page 1 ® Eaton 9EHD UPS 20-40 kVA (380/400/415V) Installation and Operation Manual...
- Page 3 Every care has been taken to ensure the accuracy of the information contained in this manual, but no liability can be accepted for any errors or omission. The right to make design modifications is reserved. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual...
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Page 4: Table Of Contents
Completing the Installation Checklist ............Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... - Page 5 6.4.11 Using the Remote Emergency Power-off Switch ......... Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual...
- Page 6 Specifications ............... . . Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual...
- Page 7 Power Terminal Location (EATON 9EHD-31-40/40,30,20) ........
- Page 8 Table 3-6. UPS External Power Cable Terminations for the Eaton 9EHD 20-40kVA ......
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Page 9: Introduction
AC power to protect the customer's load from power failures. The Eaton 9EHD 20-40 kVA online power protection system is used to prevent loss of valuable electronic information, minimise equipment downtime, and minimise the adverse effect on production equipment due to unexpected power problems. -
Page 10: Ups Standard Features
Dual feed models are available for 9EHD UPS. To update a single feed UPS to dual feed, field update kits for dual feed can be purchased from Eaton. Connectors on dual feed models provide a separated bypass input to UPS. -
Page 11: Options And Accessories
Contact an Eaton sales representative for information about the following options. 1 2 1 external Battery Cabinet Battery backup protection is provide by equipping the UPS system with up to four External Battery Cabinets (EBCs) containing sealed lead-acid, maintenance-free batteries. The EBCs are housed in single, free-standing cabinets designed for line-up-and-match installation, but may be installed separate from the UPS cabinet. -
Page 12: Battery System
Remote Emergency Power-off (REPO) control or Mini-Slot communication cards. using This manual This manual describes how to install and operate the Eaton 9EHD 20-40 kVA. Read and understand the procedures described in this manual to ensure trouble-free installation and operation. In particular, be thoroughly familiar with the REPO procedure (see paragraph 6.3.11). -
Page 13: Symbols, Controls, And Indicators
• Installation instructions, including site preparation, planning for installation, wiring and safety information, and detailed illustrations of cabinets with dimensional and connection point drawings Visit www.eaton.com/powerquality or contact an Eaton service representative for information on how to obtain copies of these manuals. -
Page 14: Safety Warnings
UPS and battery systems, and required precautions. Keep unauthorised personnel away from equipment. Consider all warnings, cautions, and notes before installing or servicing equipment. DO NOT DISCONNECT the batteries while the UPS is in Battery mode. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... - Page 15 This product is designed for commercial and industrial applications. In a residential environment, the product may cause radio interference , in which the user may be required to take additional measures. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual...
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Page 16: Ups Installation Plan And Unpacking
If the UPS is to be operated at an altitude higher than 1000m (3300 ft), contact an Eaton service representative for important information about high altitude operation. The operating environment must meet the weight, clearance, and environmental requirements specified. -
Page 17: Table 3-1 Ups Cabinet Weights
A: 9EHD Required Clearance for paralleled adjacent UPS or UPS and adjacent PDU ambient 20kVa 30 kVa 40 kVa ≤50 ≤50 ≤50 B: 9EHD Recommended Clearance for UPS with adjacent battery cabinet ambient 20 kVa 30 kVa 40 kVa ≥300 ≥300 ≥300 Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 18: Table 3-4 Air Conditioning Or Ventilation Requirements During Full Load Operation
Eaton 9EHD-33-40/20 380/380 400/400 415/415 Eaton 9EHD-31-40/30 380/220 230/230 240/240 30 kVA 6.94(1750) Eaton 9EHD-33-40/30 380/380 400/400 415/415 Eaton 9EHD-31-40/40 380/220 230/230 240/240 40 kVA 9.24(2330) Eaton 9EHD-33-40/40 380/380 400/400 415/415 Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 19: Figure 3-1 Ups Cabinet Dimensions (Front And Right Side Views)
3-1 uPS Cabinet dimensions (front and right Side Views) Dimensions are in millimetres [inches] FRONT FRONT TOP VIEW BOTTOM VIEW figure 3-2 uPS Cabinet dimensions (Top and Bottom Views) Dimensions are in millimetres [inches] Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 20: Figure 3-3 Ups Cabinet Centre Of Gravity (Without Output Transformer)
1000(39.4) 600(23.6) 500(19.7) 300(11.8) FRONT VIEW RIGHT VIEW figure 3-3 uPS Cabinet Centre of gravity (without output transformer) Dimensions are in millimetres [inches] Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 21: Figure 3-4 Ups Cabinet Centre Of Gravity (With Output Transformer)
1000(39.4) 600(23.6) 500(19.7) 300(11.8) FRONT VIEW RIGHT VIEW figure 3-4 uPS Cabinet Centre of gravity (with output transformer) Dimensions are in millimetres [inches] Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 22: Ups System Power Wiring Preparation
If the maintenance bypass solution being installed does not provide such functionality, DO NOT use a single feeder breaker to supply both the UPS and the maintenance bypass. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... - Page 23 UPS. If a 4 pole Automatic Transfer Switch is installed upstream of the UPS it must work with a break before make transition with a minimum transfer time of 50ms. Figure 4-6 and Figure 4-7 show the location of the UPS power cable terminals. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual...
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Page 24: Table 3-5 Input/Output Ratings And External Wiring Requirements For The Eaton 9Ehd 20-40 Kva
Table 3-5 Input/output ratings and external Wiring requirements for the eaton 9eHd 20-40 kVa units rating 50/60 Hz cross- Basic unit rating sections Input and output Voltage Volts 400/230 400/230 400/230 a: aC Input to uPS rectifer Amps Full load current plus battery recharge current (3) Phases, (1) Neutral, (1) Ground 4×1... -
Page 25: Table 3-6. Ups External Power Cable Terminations For The Eaton 9Ehd 20-40Kva
Table 3-6 uPS external Power Cable Terminations for the eaton 9eHd 20-40 kVa Terminal Tightening Torque function Terminal function Bus landing nm (lb in) Screw Size and Type Phase A M8 bolt mounting 8 (70) 50.24 mm (M8). Hex Phase B... -
Page 26: Table 3-8 Recommended Bypass Circuit Breaker, Output Circuit Breaker And Bypass Fuse Parameters Ratings
UPS manufacturer, and the UPS and battery cabinets are manufactured by the same supplier, then it is acceptable if they do not meet the noted minimum conductor sizes. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 27: Ups System Interface Wiring Preparation
• REPO wiring should be a minimum of 0.5~2.0 mm • The REPO switch wiring must be in accordance with local regulations. • The maximum distance between the REPO and the UPS cannot exceed 150 metres (500 feet). Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 28: Inspecting And Unpacking The Ups Cabinets
Remove the inner protective packaging. Retain the parts kit box, ramp brackets, and ramp extension packed at the top of the cabinet. Recycle the remainder of the outer shipping container and the inner protective packaging in a responsible manner. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 29: Figure 3-5 Ups Cabinet As Shipped On Pallet (Wood Container Removed)
Inspect the contents for any evidence of physical damage, and compare each item with the Bill of Lading. If damage has occurred or shortages are evident, contact an Eaton service representative immediately to determine the extent of the damage and its impact on further installation. -
Page 30: Ups System Installation
(see Figure 3-9 through Figure 3-11 for the UPS cabinet centre of gravity measurements) WARNING Do not stand directly in front of the pallet while unloading the cabinet. If unloading instructions are not closely followed, the cabinet may cause serious injury. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 31: Figure 4-1. Disassemble The Bracket Bolts That Fixed On Pallet In Front Side And Rear Side,Total 8Pcs
Figure 4-1. Disassemble the bracket bolts that fixed on pallet in front side and rear side,total 8pcs Open the door first Open this cover to take out the hang bolts Figure 4-2. Take out the M20 hang bolts (4pcs) Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 32: Figure 4-3. Lift Cabinet With Four Hang Bolts, Move To The Right Installation Position And Put It Down
Figure 4-3. Lift cabinet with four hang bolts, move to the right installation position and put it down Bracket Bolts in front side, total 4pcs Bracket Bolts on rear side, total 4pcs Figure 4-4.Assemble the bracket bolts in front side and rear side, total 8pcs Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 33: Figure 4-5. Mounting Dimension Of Bottom Installation
Front 71.5 Rear 8-Φ14*24L OB holes Figure 4-5. Mounting Dimension of Bottom Installation Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 34: External Battery Cabinet Installation
Connect the battery cabinet(s) with cables sized according to cable cross section and protective device specification to terminals + (positive pole) and - (negative pole). Refer to instructions provided with the battery cabinet or by vendor. WARNING ENSURE CORRECT POLARITY! Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 35: External Power Wiring Installation
There are protective earthing terminals within the UPS for mains supply, load supply and battery. The battery cabinet earth protection can be connected either to the UPS or to a common earthing terminal outside the UPS. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 36: Figure 4-6 Power Terminal Location (Eaton 9Ehd-31-40/40,30,20)
AC Input to Phase B(L2) Phase B(L2) Critical Load UPS Bypass Phase C(L3) Phase A(L1) Ground Terminals RIGHT VIEW Ground Terminals on Cabinet figure 4-7 Power Terminal location (eaTon 9eHd-33-40/40,30,20) Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 37: Installing Interface Connections
If wiring parallel connections, proceed to paragraph 4.5.2; if wiring Mini-Slot connections, proceed to paragraph 4.5.3; RS232 PAR IN/RJ45-1 PAR OUT/RJ45-2 Wiring Access Interface Terminal See Figure 4-9 for detail figure 4-8 Interface Terminal locations Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 38: Figure 4-9 Interface Terminal Detail
Pull Chain BA1 + BA2 - BA2 + BA2 - BA3 + BA3 - REPO_1 REPO_2 REPO_3 REPO_4 Pul CH+ Pul CH- BAT TEMP TEMP+ TEMP- figure 4-9 Interface Terminal detail Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 39: Figure 4-10 Interface Terminal Locations (Without Transfer)
Mini-slot Communication REMOVE THIS COVER Bays and Interface Terminals (See Figure 4-11 for detail) figure 4-10 Interface Terminal locations (without transfer) Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 40: Figure 4-11 Interface Terminal Detail (Without Transfer)
Input: Programmable UPS alarm, activated by a remote dry contact closure. Building Alarm 2 – Building Alarm 3 + Input: Programmable UPS alarm, activated by a remote dry contact closure. Building Alarm 3 – Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 41: Figure 4-13 Interface Wiring Access (Without Transfer)
4-13. 4.After working the circuit, the front cover plate that covered the parallel communication ports and the right panel of the UPS must be installed and tightened. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 42: Installing Parallel Pull Chain And Can Control Wiring And Connections
6. Route and install pull chain wiring (Twisted Wires 0.5-2.0 mm ) between the UPS cabinets and cabinet MOBs. See Figure 4-6 and Figure 4-11 for wiring information. 7 . If wiring Mini-Slot connections, proceed to paragraph 4.5.3; Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 43: Figure 4-15 Parallel Ups System Connections
Battery Battery UPS 3 UPS 3 Outputs from Outputs from UPSs UPSs Battery Battery UPS 4 UPS 4 Battery Battery Parallel UPS system connections figure 4-15 Parallel uPS system connections Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 44: Installing Mini-Slot Interface Connections
LAN drop for connection to UPS communications card is to be supplied by customer. NOTE For installation and setup of an Mini-Slot card, contact an Eaton service representative (see paragraph 1.8) To install wiring: If not already installed, install the LAN and telephone drops. -
Page 45: Installing A Repo Switch
The REPO switch must be a normally-open or normally-closed latching-type switch NOTE 3 not tied into any other circuits. This procedure is intended for installing the Eaton-supplied REPO switch. If NOTE 4 installing another manufacturer's switch, use this procedure, and Figure 4-13 and Figure 4-14 as a guide. -
Page 46: Figure 4-17 Normally-Open Repo Switch Wiring
3,4 NO See Figure 4-13 for wiring Twisted Wires (2) 7 lb in (0.5 2.0 mm (0.8 Nm) REPO TB REPRO Switch Twisted (No) Wires figure 4-17 normally-open rePo Switch Wiring Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 47: Initial Startup
Eaton Customer Service Engineer, or the warranty terms may become void.This service is offered as part of the sales contract for the UPS. Contact an Eaton service representative in advance (usually a two-week notice is required) to reserve a preferred startup date. - Page 48 Air conditioning equipment is installed and operating correctly. The area around the installed UPS system is clean and dust-free. (Eaton recommends that the UPS be installed on a level floor suitable for computer or electronic equipment.) Adequate workspace exists around the UPS and other cabinets.
- Page 49 Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual...
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Page 50: Understanding Ups Operation
System overview The Eaton 9EHD UPS is a continuous-duty, solid-state, transformer-free, three-phase, true online system that provides conditioned and uninterruptible AC power to the UPS system's output and critical load. The basic system consists of a rectifier, battery converter, inverter, monitoring/operation control panel, integrated communication server, and digital signal processor (DSP) logic. -
Page 51: Single Ups
5 2 1 modes The Eaton 9EHD UPS supports a critical load in three different modes of operation: • In Standard Normal mode, the critical load is supplied by the inverter, which derives its power from rectified utility AC power. -
Page 52: Figure 5-2 Path Of Current Through The Ups In Standard Normal Mode
If the UPS suffers an internal failure, it switches automatically to Bypass mode and remains in that mode until the failure is corrected and the UPS is back in service. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 53: Bypass Mode
Contactor Contactor Battery Converter Main Power Flow Battery Contactor Breaker Contactor Trickle Current Closed Energised Open De-Energised Battery figure 5-3 Path of Current Through the uPS in standard Bypass mode Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 54: Battery Mode
Normal mode. Depending on the total load and the duration of the battery discharge, battery current limit alarms may be seen for a short time due to the current required to recharge the battery. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 55: Single Ups Unit System Oneline Configurations
The system oneline drawings in this section show the simplified internal structure of the UPS, battery supply, and basic maintenance bypass. Voltage oneline drawing uPS model Input output System Type See Figure 5-5 See Table 9-1 380/400/415 380/400/415 Single Reverse Transfer UPS with External Battery Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 56: Figure 5-5 Ups System Oneline(3 Phase Input, 3 Phase Output)
Converter Battery Contactor Fuse CaBIneT Battery Breaker eXTernal BaTTery CaBIneT noTe Callout letters a,B,C, and d map to Table 3-5. figure 5-5 uPS System oneline(3 Phase Input, 3 Phase output) Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 57: Ups Operating Instructions
The controls and indicators identified and described in this section are used to control and monitor UPS operation. Figure 6-1 shows the controls and indicators and Figure 6-2 shows the UPS switches. Control Panel Door Latch figure 6-1 uPS Controls and Indicators Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 58: Control Panel
6 1 1 Control Panel The control panel is used to set up and control the UPS, and to monitor UPS operation. For a description of the UPS control panel functions, see paragraph 6.2. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 59: Using The Control Panel
The following paragraphs describe using the UPS control panel to monitor the UPS. See paragraph 6.3 for use of the operational controls. When the unit powers up, the screen displays the Eaton logo as shown in Figure 6-3. To advance to the Main Menu and Mimic screen, press any control panel pushbutton once. -
Page 60: System Events
This message is also written to the Events Log and may be added to the History Log. The messages are divided into four categories: alarms, notices, status, and commands. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 61: Using The Lcd And Pushbuttons
6-4 Parts of the lCd The UPS status area automatically scrolls between the Eaton model number, current date and time, active alarms, UPS status, load percent, and battery runtime for the UPS. The top line of display blinks while scrolling when the system needs attention. -
Page 62: Using The Menu
The Mimic screen shows the internal components of the UPS cabinet and a real-time graphical representation of the operating status of the system. Eaton 93EHD Series UPS figure 6-5 main menu and mimic Screen Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 63: Display Menu Operation
RETURN pushbutton to display the Set Date and Time screen. To return to the System Setup screen, press the ESC pushbutton. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 64: Table 6-3 Display Menu Operation
LEFT or RIGHT arrow pushbutton to select the password character position. Use the UP or DOWN arrow and then pushbutton to change the password character. Once the password is entered, select CHANGE press the RETURN pushbutton Controls See paragraph 6.2.7 for details. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 65: System Controls
Table 6-4 describes the control functions and provides instructions to access and use the command menu screens. Table 6-5 lists the typical System Status Screen Messages that are displayed during UPS operation. For detailed information about using the System Controls, see paragraph 6.3. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 66: Figure 6-7 Typical System Control Screen
Turns the battery charger on. Resting Turns the battery charger off. Table 6-5 Typical System Status messages function message Load Off; Bypass; Online, HE Bypass Off; On; Available Charger Charger Resting; Charger Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 67: Single Ups Operation
If the inverter output of the UPS is not available and the critical load needs to be energised: CAUTION In Bypass mode, the critical load is not protected from commercial power interruptions and abnormalities. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 68: Transfer From Normal To Bypass Mode
BYPASS command, then press the RETURN pushbutton. The UPS transfers to Bypass mode. The BYPASS status indicator is illuminated. The power module remains on. WARNING Power is present inside the UPS cabinet. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 69: Transfer From Bypass To Normal Mode
Open the Bypass Input and Output switches separately . • The Neutral Switch should remain closed unless operated by a service technician. NOTE • Maintenance Bypass operate must be performed by an authorized Eaton Customer Service Engineer. WARNING Power is present inside the UPS cabinet. Remove this cover... -
Page 70: Transfer From Internal Maintenance Bypass To Normal Mode
If the UPS contains a Bypass input breaker, open the Bypass input breaker. If the UPS contains a Maintenance Bypass switch, open the Maintenance Bypass switch. Open the UPS input and bypass feeder circuit breakers. Open all external battery breakers. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 71: Charger Control
All power to the critical load is lost when the LOAD OFF is selected in the following step. You should use this feature only when you want to de-energise the critical load. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 72: Using The Remote Emergency Power-Off Switch
All power to the critical load is lost when the REPO switch is activated in the following step. You should use this feature only when you want to de-energise the critical load. The following instructions are for the Eaton-supplied REPO switch. If a customer- NOTE supplied REPO switch is used, it may not activate in the same manner;... -
Page 73: Multiple Ups Parallel Operation
Standard Normal mode. It takes approximately one minute for the UPS to achieve Standard Normal mode. The Normal status indicator is illuminated. 17 . If the UPS contains an output switch, close the output switch. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 74: Starting The Parallel Ups In Bypass Mode
On the UPS System Control screen, select the NORMAL BYPASS command, then press the RETURN pushbutton. All of the UPSs transfer to Bypass mode. The BYPASS status indicator is illuminated. The power module remains on. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 75: Transfer From Bypass To Normal Mode
Open the UPS input and, if installed, the bypass feeder circuit breakers for the UPS being shut down. If EBCs are installed, open all battery breakers The UPS is now completely shut down. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 76: Single Ups Restart
If the UPSs contain an output switch, open the output switch. Open all of the MOBs. 10. Open all of the UPSs input and bypass feeder circuit breakers. 11. Open all external battery breakers Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 77: Charger Control
Select the CONTROLS symbol on the main menu bar on the UPS to be tested. The System Control screen is displayed. Select Battery on the System Control screen. On the Battery System Control screen, select the RESTING TESTING command, then press the RETURN pushbutton. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 78: Using The Ups Load Off Command
To restart the UPS after pressing the LOAD OFF pushbutton, follow the procedure in paragraph 6.4.1 or 6.4.2. WARNING Power is present inside the UPS cabinet after the upstream input feeder circuit breakers are opened because of the installed external battery cabinet. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 79: Using The Remote Emergency Power-Off Switch
All power to the critical load is lost when the REPO switch is activated in the following step. You should use this feature only when you want to de-energise the critical load. The following instructions are for the Eaton-supplied REPO switch. If a customer- NOTE supplied REPO switch is used, it may not activate in the same manner;... -
Page 80: Communication
Relays K1 through K5 are identical in function. Each output contact function can be assigned by the customer. The UPS information is also configurable. For installation and setup of a Mini-Slot card, contact an Eaton service representative (see paragraph 1.8). Refer to the manual supplied with the Mini-Slot card for user instructions. -
Page 81: Relay Card-Ms
The customer interface terminals for external connections are located inside the UPS. Use twisted-pair wires for each alarm input and common, refer Figure 4-9.The building alarms can be programmed to display the alarm functional name. Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 82: Ups Maintenance
Each battery string is an energy source in itself. DO NOT ATTEMPT TO ACCESS ANY INTERNAL AREA OF THE BATTERY STRING YOURSELF . VOLTAGES ARE ALWAYS PRESENT IN THE BATTERY STRING. If you suspect that a battery string needs service, contact an Eaton service representative. If the string requires service contact an Eaton service representative. -
Page 83: Performing Preventative Maintenance
Monitor system parameters as described in paragraph 6.2, “Using the Control Panel” . Check the UPS air filters (located behind the front door) and wash or replace as necessary. See Figure 8-1 for filter location. Contact an Eaton service representative for replacement filters. To remove the filters: CAUTION Verify washed filter is thoroughly dry before reinstalling. -
Page 84: Periodic Maintenance
8 2 4 annual maintenance Annual preventive maintenance should be performed only by authorised service personnel familiar with maintenance and servicing of the UPS system. Contact an Eaton service representative for more information about service offerings. 8 2 5 BaTTery maintenance Contact an Eaton service representative for battery maintenance. -
Page 85: Installing Batteries
Training A basic training course, available from Eaton Corporation, gives you a competent working knowledge of the UPS system operation and teaches you how to perform first level corrective maintenance. For more information about training and other services, contact the Help Desk (see paragraph 1.8). -
Page 86: Model Numbers
< 60 dB (Rear exhaust) at a 1m distance, per ISO 7779 < 72 dB (Top exhaust) at a 1m distance, per ISO 7779 Meets IEC 62040-2 C3 Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... -
Page 87: Table 9-3. Ups Input
3 Hz per second (default setting) 0.9 PF Leading load Compatibility 0.7 PF Leading 102-105% load 60 minutes 106–126% load 10 minutes overload Capability 126-150% load 1 minute >150% load 500msec Eaton 9EHD UPS (20-40 kVA, 380/400/415V) Installation and Operation Manual... - Page 90 614-00386-00...
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