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HPE Performance Optimized
Datacenter 20c
Maintenance and Service Guide—North
America
Abstract
This guide provides maintenance and service instructions for the HPE Performance Optimized Datacenter 20c (HPE POD 20c).
Part Number: 703542-001R
November 2015
Edition: 2
© Copyright 2013, 2015 Hewlett Packard Enterprise Development LP
The information contained herein is subject to change without notice. The only warranties for Hewlett Packard Enterprise products and services
are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting
an additional warranty. Hewlett Packard Enterprise shall not be liable for technical or editorial errors or omissions contained herein.
Contents
Illustrated parts catalog .......................................................................................................................... 5
Structural component identification ..........................................................................................................................5
Life safety component identification .........................................................................................................................5
Electrical power component identification ................................................................................................................8
Control cabinet component identification ...............................................................................................................10
POD 20c racks .......................................................................................................................................................11
Aisle clearances .....................................................................................................................................................12
Cold aisle clearance ....................................................................................................................................12
Replaceable components .......................................................................................................................................12
Installation considerations ......................................................................................................................................14
Safety and NEC compliance........................................................................................................................14
Fire detection and suppression ..............................................................................................................................14
Removal and replacement procedures ................................................................................................ 16
Buttons ...................................................................................................................................................................16
EPO button ..................................................................................................................................................16
DIN rail components ...............................................................................................................................................18
Control relay module ...................................................................................................................................19
Differential pressure sensor.........................................................................................................................20
Door position devices .............................................................................................................................................22
Magnetic contacts........................................................................................................................................22
Electrical .................................................................................................................................................................23
Busway drop box .........................................................................................................................................23
Removing the busway drop box ..................................................................................................................23
Replacing the busway drop box ..................................................................................................................25
Fans .......................................................................................................................................................................26
IT cooling fan ...............................................................................................................................................26
Ventilation fan ..............................................................................................................................................28
Filters ......................................................................................................................................................................32
Heat exchanger air filters.............................................................................................................................32
VESDA filter.................................................................................................................................................33
Rittal SK 3243 ventilation fan filter ..............................................................................................................34
Rittal SK 3326 ventilation fan filter ..............................................................................................................35
Fluid system components .......................................................................................................................................36
Chilled water supply and return header pressure sensors ..........................................................................37
Chilled water flow sensor.............................................................................................................................38
Chilled water system temperature sensor ...................................................................................................39
Chilled water temperature sensor internal components ..............................................................................41
Valves ..........................................................................................................................................................42
Heat exchanger ...........................................................................................................................................44
Humidifier ....................................................................................................................................................45
Humidistat (if installed) ................................................................................................................................48
Indicators ................................................................................................................................................................51
EPO LED indicators.....................................................................................................................................51
Lights ......................................................................................................................................................................54
Fluorescent light ..........................................................................................................................................54
Sensors ..................................................................................................................................................................55
Drain pan sensors .......................................................................................................................................55
EPO temperature sensors ...........................................................................................................................56
Humidity sensor ...........................................................................................................................................59
Temperature sensors (cold aisle) ................................................................................................................60
Temperature sensors (hot aisle)..................................................................................................................61
Periodic maintenance .......................................................................................................................... 63
Periodic maintenance overview..............................................................................................................................63
Contents
3
Qualified personnel ................................................................................................................................................63
Cooling system .......................................................................................................................................................63
Leak detection .............................................................................................................................................64
Leak isolation...............................................................................................................................................64
Humidifier (if installed) ............................................................................................................................................65
ECS ........................................................................................................................................................................66
Electrical .................................................................................................................................................................66
Fire alarm and suppression system .......................................................................................................................67
POD 20c structure ..................................................................................................................................................68
Life safety ...............................................................................................................................................................68
Access control ........................................................................................................................................................69
Third-party components .........................................................................................................................................69
Specifications ...................................................................................................................................... 71
General POD 20c specifications ............................................................................................................................71
Electrical specifications ...............................................................................................................................71
Water specifications ....................................................................................................................................72
Rack specifications.................................................................................................................................................72
Thermal and air flow performance..........................................................................................................................72
Environmental specifications ..................................................................................................................................72
Optional features specifications .............................................................................................................................73
Support and other resources................................................................................................................ 74
Accessing Hewlett Packard Enterprise Support .....................................................................................................74
Information to collect ...................................................................................................................................74
Accessing updates .................................................................................................................................................74
Websites.................................................................................................................................................................74
Remote support ......................................................................................................................................................75
Regulatory information ......................................................................................................................... 76
POD 20c regulatory compliance.............................................................................................................................76
Safety and NEC compliance........................................................................................................................76
Warranty and regulatory information ...........................................................................................................78
Acronyms and abbreviations ................................................................................................................ 80
Documentation feedback ..................................................................................................................... 82
Index.................................................................................................................................................... 83
Contents
4
Illustrated parts catalog
Structural component identification
The POD 20c documentation frequently refers to the specific components of the POD 20c as shown in the
following figure and described in the following table.
Item
Component
Description
1
2
Heat exchanger access hatches
Emergency egress door
3
4
5
Personnel access door
Facility chilled water return
Facility chilled water supply
Enables access to the overhead heat exchangers
Provides access to the POD in the event of an
emergency
Provides access to the POD
Facilitates the return of chilled water to the POD
Facilitates the supply of chilled water to the POD
Life safety component identification
Internal life safety components
Illustrated parts catalog
5
Top view shown
Item
Component
Description
Disconnects the POD 20c from main power feeds
Enables manual initiation of the fire system, which includes
activating the interior fire strobe light and the optional fire
suppression system
Fire
suppression
abort
button*
Aborts the fire suppression system. A fire suppression abort
3
button is located next to the personnel door.
Indicates a fire alarm condition within the POD 20c
Fire
strobe
light
4
Indicates the location of an exit
Exit sign location
5
*This is an optional component that might not be included.
1
2
EPO button
Fire alarm manual pull*
Exit sign location
The exit signs within the POD 20c contain tritium. For information about the regulatory requirements
regarding the handling, transfer, and disposal of the signs, see "Regulatory requirements for EXIT signs."
Top view shown
Internal emergency status indicators
The POD 20c has one fire strobe light that indicates a fire alarm condition.
Illustrated parts catalog
6
Top view shown
External life safety components
Side view shown
Item
Component
Description
1
2
EPO strobe
EPO button (optional)
RED—An EPO event occurred and the POD 20c shut down
Disconnects the POD 20c from main power, activates the red
EPO indicator on the control cabinet door, and activates the
red EPO strobe on the POD 20c exterior
Illustrated parts catalog
7
Electrical power component identification
Front view shown
Item
Component
Description
1
Demarcation box*
Customer communication connection point for the following
components:
•
•
•
•
2
3
Transformer cabinet
House and critical power
cabinet
ECS
Access control
Phone
Convenience power hook up
Contains two 480/415 VAC transformers
Contains A and B house power and critical IT power components
*Hewlett Packard Enterprise provides the demarcation box as a communication data point on the POD. It is the
customer's responsibility to connect the data points unless an approved Statement of Work is initiated.
Main breaker locations
Side view shown
Critical IT and transformer cabinets
Illustrated parts catalog
8
Front view shown
External panel labels
Front view shown
Item
Electrical safety label
Description
1
Danger sign
2
3
4
Disconnect label
Caution
Arc flash warning
Provides a reminder to users that the electrical panels must
be accessed only by authorized personnel
Provides the order for disconnecting the electrical panels
Cautions users about isolating power from the POD 20c.
Provides a reminder to users of the danger of arc flash and
required PPE
Internal panel labels
Illustrated parts catalog
9
Front view shown
Item
Electrical safety label
Description
1
2
Input power
Panel schedule/circuit breaker
table
Fuse type table
Wire color code
Lists the input power information
Lists the layout and designation for all circuit breakers
3
4
Lists all fuse types and sizes
Lists the 380-415 Y/200-240 V color codes:
•
•
•
•
•
Brown/Violet—Phase A/L1
Orange/Violet—Phase B/L2
Yellow/Violet—Phase 3/L3
White/Violet—Neutral
Green and yellow—Equipment ground
Control cabinet component identification
Illustrated parts catalog
10
Item
Component
Description
1
An early warning laser scan smoke detection unit
3
4
5
VESDA air sampling smoke
detection unit
Access control transformer
panel
EPO panels
Access control panel
ECS panel
6
Fire alarm panel
•
7
Fire suppression panel with
internal battery
Fan control panel
Electronics cooling fan and
filter
2
8
9
120 VAC transformer for the access control system
Connections for the EPO system
Monitors access control and door positions
Relays for the ECS control, ECS communications, I/O
connections, and terminal block connections
Controls all fire systems within the POD 20c, including the
smoke detection system, fire suppression system, fire pulls,
and so on
• Includes a battery backup system that provides backup
power to the fire system during a utility power loss
Controls the fire suppression system with internal backup power
battery
Controls system cooling fan speeds
Provides cooling airflow for the ECS and electrical distribution
systems
POD 20c racks
The standard installed rack is a 50U rack. The POD 20c contains a total of 10 IT racks.
During maintenance, if you remove filler panels for maintenance purposes, you must replace them.
Cold-aisle to hot-aisle separation must be maintained.
CAUTION: If any racks contain empty rack unit space, use the POD 20c filler panels to
maintain the efficiency of the POD 20c thermal system. Filler panels are available from Hewlett
Packard Enterprise in 10-pack quantities (part number AQ682A) and 100-pack quantities (part
number AS993A)
For more information about racks and network cabling, see the HPE Performance Optimized Datacenter
Networking Guide.
Illustrated parts catalog
11
Aisle clearances
Cold aisle clearance
The maximum protrusion of any installed IT component directly impacts the available cold aisle clearance
for removal and replacement of other IT components. Maximum component depth must follow the clear
aisle distance calculations. The following figure shows how to calculate this distance.
The maximum rack face-to-cold aisle wall distance is 100.33 cm (39.5 inches). In the figure, X represents
any protrusion into the cold aisle starting from the rack face of the installed IT component (for example,
the bezel). Y represents cold aisle clearance. The cold aisle clearance dictates the maximum depth (D) of
any installed IT component. D cannot exceed 100.33 cm (39.5 inches).
To find the maximum cold aisle clearance, calculate 100.33 cm (39.5 inches) - X = Y.
IMPORTANT: As the value for X increases, the value for Y decreases, which also decreases
the maximum depth allowed for an installed component.
Replaceable components
The component parts in the following table can be replaced by qualified facilities personnel.
Spare part
number
Description
536900-001
588787-001
595103-001
595107-001
595108-001
616616-001
637120-001
637135-001
637136-001
637137-001
637369-001
SPS-BUSWAY,DROP BOX,400A,3PH
SPS-FRAME w/FILTER
SPS-BLOWER FAN
SPS-FILTER SCREENS FRAME w/FILTER
SPS-MAINT KIT FILTERS
SPS-POD VENT FAN
SPS-SENSOR TEMP POD
SPS-SENSOR TEMP INSERTION
SPS-SENSOR PRESSURE ABS 10 BAR
SPS-SENSOR TEMP ROOM
SPS-SENSOR HUMIDITY
Illustrated parts catalog
12
Spare part
number
Description
637373-001
641859-001
660821-001
660823-001
671756-001
718588-001
SPS-SENSOR LEAKAGE
SPS-FILTER REPLACEMENT VESDA
SPS-Sensor RAF/A-1-I
SPS-Flow Meter 3030000ZH41 4AM4200C1
SPS-HUMIDISTAT GEN M3
SPS-Humidifier CHF03V2001
The component parts in the following table are electrical components that must be replaced by a qualified
electrician.
IMPORTANT: These parts must be replaced by an authorized fire safety technician
according to all local and regional fire codes, and in compliance with manufacturer
specifications.
Spare part
number
Description
536619-001
536621-001
536901-001
571709-001
571710-001
571711-001
595104-001
612295-001
612296-001
612297-001
612299-001
612968-001
612969-001
612970-001
612971-001
612972-001
612973-001
612974-001
612975-001
612976-001
612977-001
612978-001
612979-001
612980-001
612981-001
612982-001
612983-001
SPS-POD,3PH,C19,OPTIMIZED MASTER,NA
SPS-POD,3PH,C19,OPTIMIZED MASTER,INTL
SPS-POD,225A,3PH,NA,PDU
SPS-BUSWAY,DROP BOX,225A,3PH,NA
SPS-BUSWAY,DROP BOX,225A,3PH,INTL
SPS-POD,225A,3PH,INTL,PDU
SPS-WIRE HARNESS FAN
SPS-CPU MOD w/SINEAX PWR METER SPT
SPS-CPU MOD w/KL3403 PWR METER SPT
SPS-CPU MOD w/PAC3200 PWR METER SPT
SPS-HEAT EXCHANGER w/MOD's
PS-COUPLING RELAYS
SPS-CONTACTOR AUX 4NC4NO
SPS-CONTACTOR
SPS-CONTACTOR INSTA
SPS-TRANSDUCER MEASURING
SPS-PRESSURE TERMINAL DIFFERENTIAL
SPS-MEASURE TERMINAL PT100
SPS-ANALOG INPUT TERMINAL
SPS-DIGITAL INPUT TERMINAL
SPS-DIGITAL OUTPUT TERMINAL KL2622
SPS-DIGITAL OUTPUT TERMINAL KL2408
SPS-TRANSFORMER DY 480/400V 225KVA
SPS-BUS BAR 5 POLE 3M
SPS-END CAP
SPS-HOUSING COUPLER
SPS-MOUNTING STUD M10
The component part in the following table must be replaced by an authorized fire safety contractor.
IMPORTANT: These parts must be replaced by a licensed fire safety contractor according to
all local and regional fire codes, and in compliance with manufacturer specifications.
Illustrated parts catalog
13
Spare part
number
Description
637133-001
Smoke detector
Installation considerations
CAUTION: All plumbing to and from the POD 20c must be completed by a licensed plumber.
All wiring in and around the POD 20cmust be completed by a licensed electrician. Failure to
comply with these instructions can impact your warranty and/or result in equipment damage.
Safety and NEC compliance
The POD 20c is certified to UL 69050-1/IEC 60950-22 as an Information Technology Product and
classified according to the National Electric Code NFPA 70. For more information, see "POD 20c
regulatory compliance (on page 76)."
The POD 20c is not suitable for long-term human occupancy. The POD 20c is Listed as a Product that
provides service access areas for periodic maintenance and service. These areas must be used only by
owner-authorized and qualified personnel who are trained in the maintenance and service of the POD 20c
components.
IMPORTANT: Before installing the POD 20c, consult your local AHJ for applicable
regulations and to review site-specific location guidelines. If needed, obtain any necessary
permits.
Additional considerations for safety and NEC compliance are as follows:
•
The POD 20c is listed as an Information Technology Product to UL 60950.
•
The POD 20c is evaluated as a "non-inhabitable product" that provides "service access" areas for
customer-authorized, qualified, and trained service personnel.
•
The electrical connections of the POD 20c are evaluated as feeder connections for connection to an
existing facility, and are not suitable as "service entrance" for connection to the utility.
•
The POD 20c is designed for stationary installation outdoors in a Pollution Degree 3 environment, in
restricted access locations, with field wiring terminals provided for permanent supply connections.
•
The POD 20c meets the following ratings.
Feature
Specification
Category
Protection
Class
Ambient temperature
Relative humidity
Rated Overvoltage Category III
Surge protection device
Class1
2°C to 54°C (35.6°F to 129.2°F)
0% to 100% humidity
•
As part of the overall certification, relevant sections of the International Building Code have been
applied as part of the design and evaluation. The current design supports wind loads up to 90 mph.
Fire detection and suppression
The fire suppression system, supplied as an optional component for the POD 20c, is a "Manufacturer
Designed" system specifically designed for this product, in compliance with national standards.
Illustrated parts catalog
14
The HPE standard suppression system includes a Novec 1230 clean agent system. However, if the
customer or local Authorities require specific modifications or a replacement, It can assist in these actions
at the expense of the customer.
Hewlett Packard Enterprise does not certify that the fire suppression system that is installed in the POD
20c meets all local and jurisdictional requirements. The customer is responsible for the following actions
as related to the fire suppression system:
•
Verifying that the POD suppression system meets local codes, including specific local requirements
for initial and periodic inspections
•
Arranging for and receiving all required local permits, including initial commissioning as well as
standard and repair maintenance
•
Arranging for the connection of the agent tanks, refilling of tanks, and all system testing, including
pressure tests. All general maintenance of the suppression system must be completed by an
authorized technician.
Additional local requirements are not covered as part of the option price or basic installation and
deployment services, unless specifically included in an executed Statement of Work.
Illustrated parts catalog
15
Removal and replacement procedures
Buttons
EPO button
There are two EPO buttons. The internal EPO button is located on the ECS door of the POD. The external
EPO button is located on the exterior of the POD, adjacent to the personnel entry door.
Internal EPO button
External EPO button
You need a screwdriver to remove and replace the EPO button.
Removal and replacement procedures
16
Removing the EPO button
1.
Remove the two screws securing the tamper cover (1), and then remove the tamper cover (2).
2.
Remove the four screws securing the EPO button (1), and then remove the EPO button (2).
Removal and replacement procedures
17
Replacing the EPO button
1.
Replace the EPO button (1), and then replace the four screws that secure the EPO button (2).
2.
Replace the tamper cover (1), and then replace the two screws that secure the tamper cover (2).
DIN rail components
The POD 240a contains several types of electrical components that are attached using DIN rails. The
methods to remove and replace the DIN rail components differ depending on the type of components and
the manufacturer of the components.
The methods for attaching components to DIN rails include the following:
•
Mechanical sliding of the component onto the DIN rail, which requires the removal of the DIN rail
•
Mechanical snapping of the component onto to the DIN rail with or without elastic deformation
•
Mechanical release of the component from the DIN rail
Removal and replacement procedures
18
WARNING: To reduce the risk of personal injury or damage to the equipment, a licensed
electrician must determine the electrical isolation of the power circuit before the removal or
replacement of any DIN rail components.
CAUTION: The continued operation of the POD 240a during replacement of DIN rail
components might affect the controls of the POD 240a, the electricity that is supplied to the
POD 240a, or the operating efficiency of the POD 240a.
CAUTION: The repair technician must be qualified and trained in the maintenance and
service of the POD 20c DIN rail components.
The removal and replacement procedures for every type of DIN rail component that might be installed in
the POD 240a are beyond the scope of this guide. One example, however, is provided in the Control relay
module (on page 19) section. These instructions assume that no power is being supplied to the
components during the removal and replacement procedure.
DIN rail components are located throughout the POD 240a.
Control relay module
The POD 20c uses analog and digital control relays to communicate sensed parameters to the ECS for
overall POD control and reporting features.
You need a screwdriver for installation.
Removing the control relay module
1.
Label the wired connections or take a picture to record which wires connect to the control relay
module.
2.
Using a screwdriver, release the installed wiring.
Removal and replacement procedures
19
3.
Grasp the pull tab to disengage the control relay module from the DIN rail (1) and remove the control
relay module (2).
Replacing the control relay module
1.
Align the control relay module with the mounting and power connections.
2.
Slide the module until it clicks into the DIN rail.
3.
Reconnect all wiring to the control relay module.
Differential pressure sensor
The POD 20c uses differential pressure sensing terminals located in the ECS cabinet to take pressure
readings from the cold aisle, hot aisle, and cooling fan filters via sensing tubes. The terminal determines
cold-to-hot aisle differential pressure and filter differential pressure for all three cooling zones.
You need a small wrench to remove and replace the differential pressure sensor.
Removal and replacement procedures
20
Removing the differential pressure sensor
1.
Using a small wrench, loosen the tube retaining lock nut.
2.
Label the hose connector tube or take a picture to remember which hose to reconnect to the I/O
system later.
3.
Remove the hoses.
4.
Pull the release tab at the top of the sensor to release it (1), grasp the edges of the sensor, and then
pull forward to remove it (2).
Replacing the differential pressure sensor
1.
Slide the differential pressure sensor into the grooves until it clicks into place.
2.
Refer to your notes on where to insert the hose to connect it to the I/O system.
3.
Using a small wrench, tighten the retaining lock nut. Do not over-tighten it.
4.
Reconnect the hose to the I/O system.
Removal and replacement procedures
21
Door position devices
Magnetic contacts
Magnetic contacts are located on all doors and cabinets.
You need a screwdriver and scissors for installation.
Removing the magnetic contacts
1.
Remove the two screws that secure the upper magnet (1).
2.
Cut the tie wrap (2) and loosen the nut on the POD structure that secures the wire.
3.
Pull the wire all the way through to the point of entry or ECS panel (3).
Replacing the magnetic contacts
1.
Feed the wire all the way through from the point of entry or ECS panel (1).
2.
Tighten the nut on the POD structure that secures the wire, and then replace the tie wrap (2).
3.
Secure the magnet to the bracket using two screws (3).
Removal and replacement procedures
22
Electrical
Busway drop box
The internal electrical busways provide a location to connect each of the drop boxes, which then power
the PDUs. Stagger the drop boxes on the electrical busways by connecting one drop box to busway #1
and connecting the next drop box to busway #2. A staggered configuration enables load balancing with
the rack equipment and is necessary to ensure redundancy.
IMPORTANT: Hewlett Packard Enterprise recommends that you shut down the associated
IT equipment and de-energize the appropriate section of the power busway before attempting
to remove or replace a busway drop box. The corresponding branch circuit breaker is labeled
on the busway.
You need a socket wrench to remove and replace the busway drop box.
Removing the busway drop box
1.
In the IT electrical panel, disconnect power from the busway by opening the appropriate busway
feed breaker.
2.
Turn the power off by opening both breakers on the busway drop box (1).
Removal and replacement procedures
23
3.
Disconnect the PDUs that are connected to the busway drop box (2).
4.
Use a socket wrench to loosen and remove the bolt securing the busway drop box to the retaining
hardware bracket (1).
5.
Slide the hardware bracket to the right along the busway, completely disconnecting it from the
busway drop box (2).
WARNING: Use caution when removing and replacing the busway drop box. The drop box
weighs approximately 9 kg (20 lb).
6.
Rotate the busway drop box 90° counter clockwise so that it is perpendicular to the electrical busway
(3), and then lower the drop box to remove it from the electrical busway (4).
Removal and replacement procedures
24
Replacing the busway drop box
WARNING: Use caution when removing and replacing the busway drop box. The drop box
weighs approximately 9 kg (20 lb).
1.
Place the silver drop box bracket on the electrical busway where you want to replace the busway
drop box (1).
2.
Note the required rotation indicated on the drop box, insert the drop box into the drop box bracket on
the electrical busway (2), and then rotate the drop box 90° clockwise until it locks into place (3).
CAUTION: To prevent damage to the drop box and make sure that the drop box engages
properly, be sure that the drop box is completely flush to the busway. If a drop box is damaged
during installation, do not attempt to re-engage or repair the drop box.
3.
Slide the hardware bracket to the left along the busway until it connects to the drop box (3).
4.
Secure the busway drop box to the retaining hardware bracket by using a socket wrench to insert
and tighten a bolt (4).
5.
Connect the PDUs to the busway drop box (1).
Removal and replacement procedures
25
6.
Turn the power on by closing both breakers on the busway drop box (2).
7.
In the IT electrical panel, power up the busway by closing the appropriate busway feed breaker.
Fans
IT cooling fan
POD 20c fans operate at four speeds to maintain the cold-to-hot aisle differential pressure and hot aisle
temperature setpoints that are programmed into the ECS.
The fan speed adjusts to maintain the programmed setpoints. Do not manually adjust the fan speed.
CAUTION: Power must be removed from the fan power assembly before removing or
replacing a fan or fan bank.
CAUTION: De-energize any additional working fans within the affected zone before
replacing the fan. De-energizing working fans reduces the IT cooling airflow within the zone.
Take this into consideration when deciding whether to continue operating IT equipment within
the affected zone. Hewlett Packard Enterprise recommends powering down all of the IT in the
zone.
IMPORTANT: Hewlett Packard Enterprise recommends leaving the fans in AUTO mode
during normal operation.
Removal and replacement procedures
26
The POD 20c has 3 banks of 4 fans, for a total of 12 fans per zone. The fans circulate cool air from the
heat exchangers throughout the POD.
The three fan banks are located in the access hatches that are in the ceiling of the POD. The IT cooling
fan has four screws and a power connection.
You need a screwdriver to remove and replace the IT cooling fan.
Removing the IT cooling fan
Hewlett Packard Enterprise recommends leaving the fans in AUTO mode during normal operation.
1.
From the ECS panel, take manual control of the fan speed in the affected zone.
2.
Set the fan speed to 0 (zero).
3.
Open the access hatch door.
4.
Disconnect the power harness.
5.
Remove the four screws (1)
6.
Remove the IT cooling fan (2).
Replacing the IT cooling fan
1.
Position the IT cooling fan (1).
2.
Replace the four screws (2).
Removal and replacement procedures
27
3.
Reconnect the power harness.
4.
Close the access hatch door.
5.
Return the fan bank to AUTO mode.
Ventilation fan
The ventilation fan is located between the ECS cabinet and the transformer cabinet. The purpose of this
fan is to provide proper ventilation to the electrical components within the ECS and electrical cabinets.
The fan supplier (Rittal) has discontinued the SK 3326 fan model and has replaced it with SK 3243.
Your POD 20c may contain the following fan models:
•
Rittal SK 3326 ("Removing the Rittal SK 3326 ventilation fan" on page 29)
•
Rittal SK 3243 ("Removing the Rittal SK 3243 ventilation fan" on page 30)
The ventilation fan model that your POD 20c contains depends on when and where the POD 20c was
built. The specifications for the fan have not changed. Each fan model requires routine filter inspection.
The HPE spare part (616616-001) contains the SK3243 fan assembly which replaces SK3326 fan
assembly. You must replace the entire fan assembly. Datasheets for the SK3326 and SK3243 fan
assemblies are included in the Component Specifications Guide of the Operations and Maintenance
Manual. Additional replacement instructions are provided in the box with the 616616-001 spare part.
Removal and replacement procedures
28
Rittal SK 3326
Rittal SK 3243
You need a screwdriver to remove and replace the ventilation fan.
Removing the Rittal SK 3326 ventilation fan
1.
Open the ECS cabinet door.
2.
Label and disconnect the fan wires.
3.
Remove the four screws (1).
Removal and replacement procedures
29
4.
Pull the fan module forward to remove it (2).
Replacing the Rittal SK 3326 ventilation fan
1.
Insert the fan module into the screwless spring terminal (1).
2.
Rotate the fan module clockwise until it is seated (2).
3.
Reconnect the fan wires.
4.
Insert the ventilation fan into the ventilation fan cut-out hole.
5.
Close the ECS cabinet door.
The Rittal SK 3326 ventilation fan has been discontinued, so if it malfunctions, you must order the Rittal
SK 3243 ventilation fan.
To install the new fan, see the installation instructions included with the fan.
Removing the Rittal SK 3243 ventilation fan
1.
Open the ECS cabinet door.
Removal and replacement procedures
30
2.
Disconnect the fan wires.
3.
Rotate the fan module counterclockwise to unseat it from the screwless spring terminal (1).
4.
Pull the fan module forward to remove it (2).
Replacing the Rittal SK 3243 ventilation fan
1.
Insert the fan module into the screwless spring terminal (1).
2.
Rotate the fan module clockwise until it is seated (2).
3.
Reconnect the fan wires.
4.
Insert the ventilation fan into the ventilation fan cut-out hole.
5.
Close the ECS cabinet door.
Removal and replacement procedures
31
Filters
Heat exchanger air filters
There are two heat exchanger air filters per cooling zone for a total of six filters.
You do not need any tools to remove or replace the heat exchanger air filter.
Removing the heat exchanger air filter
1.
Pull the locking tabs away from the filter to release it.
2.
Pull the filter down through the frame channels to remove it.
Replacing the heat exchanger air filter
1.
Angle the filter to position the top corners in the frame channels, and then push the filter up to the top
of the frame.
Removal and replacement procedures
32
2.
Push in the bottom corners of the filter until the locking tabs engage and the filter clicks into place.
VESDA filter
The VESDA filter sensor notifies you through the ECS when a filter must be changed. Hewlett Packard
Enterprise recommends periodically inspecting and changing each VESDA filter. A VESDA filter can be
replaced during normal POD 20c operation.
You need a Phillips-head screwdriver for installation.
Removing the VESDA filter
1. Remove the filter cover on the front of the VESDA unit.
Removal and replacement procedures
33
2. Remove the 10mm screw that secures the VESDA filter (1), and then remove the filter (2).
Replacing the VESDA filter
1. Insert the new VESDA filter (1), and then replace the 10mm screw that secures the filter (2).
2. Replace the VESDA filter cover.
Rittal SK 3243 ventilation fan filter
The ventilation fan filter is located behind the louvered grille.
IMPORTANT: Check the fan filter quarterly to be sure that it is clean.
You do not need any tools to remove and replace the ventilation fan filter.
Removal and replacement procedures
34
Removing the Rittal SK 3243 ventilation fan filter
1.
Lift the latch on the louvered grille and pull forward to open it (1).
2.
Remove the old filter (2).
Replacing the Rittal SK 3243 ventilation fan filter
1.
Insert the new filter (1).
2.
Close the louvered grille (2).
Rittal SK 3326 ventilation fan filter
The ventilation fan filter is located behind the louvered grille.
IMPORTANT: Check the fan filter quarterly to be sure that it is clean.
You need a screwdriver for installation.
Removal and replacement procedures
35
Removing the Rittal SK 3326 ventilation fan filter
1.
Insert a screwdriver into the bottom right corner of the louvered grille and rotate it counterclockwise
(1) to loosen the grille.
2.
Grasp the louvered grille and pull forward to remove it (2).
3.
Remove the old filter (3).
Replacing the Rittal SK 3326 ventilation fan filter
1.
Insert the new filter (1).
2.
Close the louvered grille (2).
Fluid system components
The removal of any POD 20c installed chilled water fluid system components that compose or penetrate
the physical integrity of the fluid system requires the following:
•
Complete shutdown of the POD 20c
Removal and replacement procedures
36
•
Isolation of the POD 20c from the site chilled water system
IMPORTANT: To isolate the POD chilled water system from the site chilled water system,
follow the fluid system isolation process that your site established.
•
Removal of a sufficient amount of chilled water from the POD 20c to keep the installed IT equipment
from getting wet.
•
Testing of the fluid system integrity to be sure that overall integrity is re-established before returning
the POD 20c to normal operation.
The POD 20c fluid system includes the following:
•
All chilled water system piping, piping connections, and valves
•
Chilled water heat exchangers
•
System penetrating installed sensors:
o
Chilled water supply and return header pressure sensors
o
Chilled water supply and return header temperature sensor
o
Chilled water flow meter sensor
Chilled water supply and return header pressure sensors
The POD 20c contains two chilled water pressure sensors. One is located in the chilled water supply
header and one is located in the return header.
The chilled water supply and return header pressure sensors are located in the cold aisle where the
headers penetrate the POD 20c.
You need a wrench to remove and replace the pressure sensors.
Removing the chilled water supply and return header pressure sensor
1.
Observe the sensor alignment direction.
2.
Disconnect the sensor wiring.
3.
Using a wrench, disconnect the sensor from the tubing connection by rotating the nut
counterclockwise.
4.
Remove the sensor from the water piping.
Removal and replacement procedures
37
Replacing the chilled water supply and return header pressure sensor
1.
Position the sensor as it was before removal.
2.
Connect the sensor to the sensing tube.
3.
Using a wrench, rotate the sensor retaining nut clockwise to tighten it.
4.
Reconnect the sensor wiring.
Chilled water flow sensor
You need a wrench to remove and replace the chilled water flow sensor.
Removing the chilled water flow sensor
1.
Label the wired connections or take a picture to remember which wires to reconnect to the chilled
water flow sensor.
2.
Disconnect the wires from the back of the sensor.
3.
Using a wrench, rotate the sensor locking gland counter-clockwise (1).
Removal and replacement procedures
38
4.
Pull forward to remove the sensor from the water piping (2).
Replacing the chilled water flow sensor
1.
Reference your notes on where to reconnect the wires to the chilled water flow sensor.
2.
Reconnect the sensor wiring.
3.
Insert the sensor into the water piping (1).
4.
Using a wrench, rotate the sensor locking gland clockwise to tighten it (2).
Chilled water system temperature sensor
The POD 20c contains two chilled water header temperature sensors. One is located in the chilled water
supply header and one is located in the chilled water return header.
Hewlett Packard Enterprise highly recommends replacing sensor internal components before replacing
the entire sensor. For more information, see replacing the entire sensor ("Replacing the temperature
sensor in the chilled water system" on page 40).
You need a wrench and a screwdriver to remove and replace the sensor.
Removal and replacement procedures
39
Removing temperature sensor from the chilled water system
1.
Identify the location of the sensor to be replaced and remove enough header insulation to uncover
the sensor.
2.
Remove the sensor cover.
3.
Label and disconnect the sensor wiring.
4.
Rotate the immersion sleeve counterclockwise (1) and pull forward to remove the entire sensor from
the chilled water header (2).
Replacing the temperature sensor in the chilled water system
1.
Insert the new sensor probe into the chilled water header (1).
2.
Rotate the immersion sleeve clockwise to secure the sensor onto the header (2).
3.
Reconnect the wiring, replace the sensor cover, and replace the removed insulation.
Removal and replacement procedures
40
Chilled water temperature sensor internal components
The POD 20c contains two chilled water header temperature sensors. One is located in the chilled water
supply header and one is located in the chilled water return header.
You need a screwdriver to remove and replace the chilled water temperature sensor internal components.
Removing the chilled water temperature sensor internal components
1.
Remove the four screws from the sensor cover (1).
2.
Remove the sensor cover (2).
3.
Label and disconnect the sensor wires.
4.
Remove the two screws from the chilled water temperature sensor circuit board (1).
5.
Remove the chilled water temperature sensor circuit board (2).
Replacing the chilled water temperature sensor internal components
1.
Replace the chilled water temperature sensor circuit board (1).
Removal and replacement procedures
41
2.
Replace the two screws to secure the chilled water temperature sensor circuit board (2).
3.
Reconnect the sensor wires.
4.
Replace the four screws to secure the chilled water temperature sensor cover (2).
5.
Replace the chilled water temperature sensor cover (1).
Valves
External chilled water isolation valve
The external chilled water isolation valve is a butterfly valve located on the top of the POD 20c.
You need a wrench to remove and replace the external chilled water isolation valve.
Removing the external chilled water isolation valve
1.
Remove the eight bolts surrounding the valve (1).
Removal and replacement procedures
42
2.
Remove the valve (2).
Replacing the external chilled water isolation valve
1.
Replace the valve (1).
2.
Secure the valve with eight bolts (2).
External pressure gauge isolation valve
The external pressure gauge isolation valve is located on top of the POD 20c.
You need an adjustable wrench or an appropriately sized box wrench for installation.
Removing the external pressure gauge isolation valve
1.
Loosen the connection securing the valve (1)
Removal and replacement procedures
43
2.
Remove the valve (2).
Replacing the external pressure gauge isolation valve
1.
Insert the new valve (1).
2.
Tighten the connection (2).
Heat exchanger
Hewlett Packard Enterprise service personnel is required to replace this spare component. Please
contact Hewlett Packard Enterprise Services for assistance.
Removal and replacement procedures
44
Humidifier
The humidifier is located in the cold aisle humidifier bump out.
You need a screwdriver to remove and replace the humidifier.
Removing the humidifier
1.
Hold the drain button on the humidifier exterior until the humidifier cylinder drains completely.
2.
Press the power button on the outside of the humidifier to power down the humidifier.
3.
Close the water supply isolation valve on the POD 20c exterior.
4.
Disconnect the water supply line to the humidifier on the POD 20c exterior to relieve the water
pressure.
5.
Open and danger tag the associated circuit breaker in the ECS cabinet. The circuit breakers are
identified on the panel schedule.
6.
Remove the four screws on the corners of the humidifier cover (1), and then remove the cover (2).
7.
Locate the power board and disconnect the two internal electrical wires.
Removal and replacement procedures
45
8.
Disconnect the drain (1).
9.
Disconnect the humidifier from the water supply line (2).
10.
Disconnect and remove the external electrical wiring from the housing (3).
11.
Remove the four screws that secure the humidifier body to the wall (1), and then remove the
humidifier (2).
Removal and replacement procedures
46
Replacing the humidifier
1.
Replace the humidifier (1), and then secure the humidifier to the wall with four screws (2).
2.
Connect the drain (1).
3.
Connect the humidifier to the water supply line (2).
4.
Route and connect the external electrical wiring to the housing (3).
5.
Locate the power board and connect the two internal electrical wires.
Removal and replacement procedures
47
6.
Replace the humidifier cover (1), and then secure the cover with four screws (2).
7.
Open the water supply isolation valve on the POD 20c exterior.
8.
Connect the water supply line to the humidifier on the POD 20c exterior.
9.
Close the associated circuit breaker in the ECS cabinet.
10.
Press the power button on the outside of the humidifier to power up the humidifier.
Humidistat (if installed)
The humidistat is located in the cold aisle humidifier bump out.
You need a screwdriver to remove and replace the humidistat.
Removing the humidistat
1.
Press the power button on the outside of the humidifier to power down the humidifier.
2.
Open and danger tag the associated circuit breaker in the ECS cabinet. The circuit breakers are
identified on the panel schedule.
Removal and replacement procedures
48
3.
Detach the front panel of the humidistat from the mounting base:
a. Remove the screw securing the tab in the opening (1), and then slide the tab to the open position
(2).
b. Use a flathead screwdriver to press the release button (1), and then pull the front panel from the
bottom to detach the panel (2). The two parts remain connected by a flat cable.
4.
Squeeze the two terminal cover fins to remove the cables from the terminal block.
5.
Remove the screws securing the mounting base to the wall.
Replacing the humidistat
1.
Detach the front panel of the replacement humidistat from the mounting base.
Removal and replacement procedures
49
a. Remove the screw securing the tab in the opening (1), and then slide the tab to the open position
(2).
b. Use a flathead screwdriver to the press the release button (1), and then pull the front panel from
the bottom to detach the panel (2). The two parts remain connected by a flat cable.
2.
Secure the mounting base to the wall using the screws provided.
3.
Squeeze the two terminal cover fins to remove the terminal covers.
4.
Make the required connections by running the connection cables through the center hole in the
bottom of the mounting base and connecting the cables to the terminal block.
5.
Separate the connection and control cables from the relay cables.
6.
Attach the front panel.
7.
Close the associated circuit breaker in the ECS cabinet.
8.
Press the power button on the outside of the humidifier to power up the humidifier.
Removal and replacement procedures
50
Indicators
EPO LED indicators
The ECS touchscreen and EPO indicators are located on the door to the control panel.
The touchscreen enables you to easily configure the environmental parameters, access data, and monitor
environmental, life safety, and access control conditions within the POD 20c.
The EPO indicators provide EPO status. The EPO key control and EPO reset button enable you to adjust
the EPO system mode.
Item Component
Indicator Color
Description
1
2
Power on indicator
EPO shutdown indicator
White
Red
3
EPO armed indicator
White
4
EPO test mode indicator
Yellow
5
EPO bypassed indicator
Green
6
7
8
EPO mode key control
EPO reset button
EPO horn
—
—
—
Indicates the EPO power status
Indicates an EPO shutdown or alarm
situation
Indicates that the EPO system is armed
and operational
Indicates that the EPO system is
operating in test mode or that an EPO
cover is open
Indicates that the EPO shut down
functionality is bypassed
Enables you to select the EPO mode.
Resets the EPO system when pressed
Sounds when an EPO event occurs.
Removal and replacement procedures
51
Removing the EPO LED indicator
1.
On the back of the ECS cabinet door, push the gray tab on the EPO LED indicator module down to
release the module (1), and then pull the module out of the door (2).
2.
Unscrew the EPO LED indicator bulb.
Removal and replacement procedures
52
Replacing the EPO LED indicator
1.
Screw the new EPO LED indicator bulb into the module.
2.
Push the module into the slot on the back of the ECS cabinet door until it clicks into place.
Removal and replacement procedures
53
Lights
Fluorescent light
There are six fluorescent lights.
You need a screwdriver for installation.
Removing the fluorescent light
1.
Remove the fluorescent light cover (1), if installed.
2.
Rotate the bulb (2) and pull it straight out (3).
Replacing the fluorescent light
1.
Seat the fluorescent bulb (1).
2.
Rotate the bulb and snap it into place (2).
Removal and replacement procedures
54
3.
Close the cover (3).
Sensors
The POD 20c has several temperature sensors that monitor the environmental factors and communicate
data back to the ECS.
Drain pan sensors
The POD 20c - North America model includes three heat exchanger condensate drain pan sensors. One
drain pan sensor is located in the drain tray below each set of the heat exchangers.
Three sensors are also located in the chilled water supply and return header drain pans, one in each of
the three sections.
When the drain pan sensor probes become wet, the normally-open circuit is closed, allowing control
voltage to return to the ECS panel and trigger the alarm.
You need a screwdriver to remove and replace the drain pan sensor.
Removing the drain pan sensor
1.
Open the center fan bank in the cold aisle of the affected sensor.
2.
Fully extend the fan bank door.
3.
Use a flashlight to locate the sensor.
Removal and replacement procedures
55
4.
Follow the sensor wire to the junction box. Disconnect the wire from the junction box terminal and
note the wire location.
5.
Route the wire from the junction box to the sensor location, and then remove the sensor.
Replacing the drain pan sensor
1.
Position the sensor in the drain pan.
2.
Route the wire to the junction box and reconnect the wire.
3.
Close the center fan bank in the cold aisle of the affected sensor.
EPO temperature sensors
The EPO temperature sensors are located in the center of the hot aisle.
You need a screwdriver to remove and replace the EPO temperature sensor.
Removal and replacement procedures
56
Removing the EPO temperature sensors
1.
Remove the cover screw (1), and then remove the cover (2).
2.
Remove the two screws from the face plate (1), and then remove the face plate (2).
3.
Lift up, and then disconnect the wires.
Replacing the EPO temperature sensors
1.
Reconnect the wires.
Removal and replacement procedures
57
2.
Insert the face plate (1), and then replace the two face-plate screws (2).
3.
Replace the cover (1), and then replace the cover screw (2).
Removal and replacement procedures
58
Humidity sensor
The POD 20c contains one humidity sensor, which is located in the cold aisle of cooling zone 2.
You need a screwdriver to remove and replace the humidity sensor.
Removing the humidity sensor
1.
Remove the four screws that secure the sensor cover (1), and then remove the cover (2).
2.
Remove the two self-tapping screws (3).
3.
Identify the sensor wires.
4.
Disconnect the sensor wires.
5.
Remove the two retaining screws, and then remove the humidity sensor housing from the wall (4).
Replacing the humidity sensor
1.
Re-attach the humidity sensor housing to the wall (1).
2.
Replace the two self-tapping screws (2).
Removal and replacement procedures
59
3.
Reconnect the wires to the hot-aisle humidity sensor.
4.
Replace the sensor cover (3).
5.
Replace the four screws that secure the sensor cover (4).
Temperature sensors (cold aisle)
The POD 20c contains three temperature sensors in the cold aisle. The temperature sensors are bolted to
the wall.
You need a Phillips-head screwdriver for installation.
Removing the cold aisle temperature sensor
1.
Remove the fours crews that secure the cold aisle temperature sensor cover (1), and then remove
the cover (2).
2.
Label the cold aisle temperature sensor wires or take a picture to remember which wires to
reconnect later.
3.
Disconnect the wires.
Removal and replacement procedures
60
4.
Remove the two retaining screws, and then remove the cold-aisle temperature sensor housing from
the wall.
Replacing the cold aisle temperature sensor
1.
Reconnect the wires to the cold-aisle temperature sensor.
2.
Reconnect the wires.
3.
Re-attach the cold-aisle temperature sensor housing to the wall using the two retaining screws.
4.
Replace the cold-aisle temperature sensor cover (1).
5.
Replace the four screws that secure the cold aisle temperature sensor cover (2).
Temperature sensors (hot aisle)
The POD 20c contains three temperature sensors in the hot aisle.
You need a screwdriver to remove and replace the hot aisle temperature sensors.
Removal and replacement procedures
61
Removing the hot aisle temperature sensor
1.
Remove the four screws (1) that secure the hot-aisle temperature sensor cover, and then remove
the cover (2).
2.
Label the hot-aisle temperature sensor wires or take a picture to remember which wires to reconnect
later.
3.
Disconnect the wires.
4.
Remove the two retaining screws, and then remove the hot-aisle temperature sensor housing from
the wall.
Replacing the hot aisle temperature sensor
1.
Reconnect the wires to the hot aisle temperature sensor.
2.
Reconnect the wires.
3.
Re-attach the hot-aisle temperature sensor housing to the wall using the two retaining screws.
4.
Replace the hot-aisle temperature sensor cover (1).
5.
Replace the four screws that secure the hot-aisle temperature sensor cover (2).
Removal and replacement procedures
62
Periodic maintenance
Periodic maintenance overview
Perform periodic inspections on the components in this section to be sure that the POD 20c continues to
perform within the designed parameters.
Qualified personnel
Qualified personnel are identified as personnel who are:
•
Properly trained in the operation and maintenance of the POD 20c
•
Customer-authorized to conduct maintenance activities
Qualified personnel can be:
•
Hewlett Packard Enterprise personnel
•
Agents for Hewlett Packard Enterprise
•
Site maintenance personnel
Cooling system
Component to be
inspected
Task
Air filters
Inspect and replace as necessary As needed (at
least quarterly)
Inspect and replace as necessary Annually
Qualified personnel
Verify that there is no visible
chilled water leakage from the:
Quarterly
Qualified personnel
Quarterly
Qualified personnel
Quarterly
Qualified personnel
Air filter differential pressure
sensor
Cooling system leak check
Frequency
Capable Party
Qualified personnel
•
•
•
Heat Exchanger
CWS piping
CWR piping
If a leak is detected, see "Leak
detection maintenance ("Leak
detection" on page 64)."
Condensate drain pans
Condensate drain pan sensors
Inspect and verify that the:
•
•
•
Pans are free of debris
Pans have no leaks
Leakage detectors are in
proper position
Clean pans as necessary
Inspect, test, and replace as
necessary.
If a leak is detected, see "Leak
detection maintenance ("Leak
detection" on page 64)."
Periodic maintenance
63
Component to be
inspected
Task
Frequency
Capable Party
Condensate drain lines and
p-trap
Inspect and verify that:
Quarterly
Qualified personnel
Heat exchanger fans
•
There is no internal blockage
of the drain line
• Condensate can freely pass
• P-traps are intact and not
leaking
• There is no blockage of the
drain line that is external to
the site drain
Clean and clear debris as
necessary.
Inspect and verify that the
Quarterly
following components are
properly secured and operational:
Qualified personnel
•
•
•
•
Chilled water header drain pan
and lines
Fan
Fan mounting
Wiring harness
Power modules (located in
the ECS cabinet)
Visually check drains for
blockage internal and external
Conduct an operational check of
the external site drain using
approximately 5 gallons of water
(if permissible or possible)
—
Monthly, if Qualified personnel
staffed
• Quarterly, if
not staffed
Qualified personnel
Annual
•
Leak detection
The POD 20c includes six heat exchanger condensate sensors. Three sensors are located in the drain
pans below each set of heat exchangers, and three sensors are located in the chilled water supply and
return header drain pan tray.
Some amount of condensation water can always be expected in the heat exchanger drain pans. If an
excessive amount of condensation water accumulates in a drain pan, an alarm is triggered and sent
through the POD 20c ECS, which indicates a possible leak.
There should be no water in the chilled water supply and return header drain pan. The drain pan should
always remain dry.
Leak isolation
WARNING: To reduce the risk of electric shock or damage to the equipment, use extreme
caution when removing and replacing components that involve water around the electrical
equipment. There is great risk of electrical shock when water is used near electricity.
CAUTION: If a serious leak develops, shut down the POD immediately and isolate the chilled
water cooling system from the site. Contact Hewlett Packard Enterprise immediately to initiate
a field service call. Do not attempt to repair the chilled water cooling system. Attempting to
self-repair the chilled water cooling system during the warranty or service contract period shifts
all liability to you.
Periodic maintenance
64
IMPORTANT: Power down the POD after a leak is detected.
Non-isolable leak detection
A non-isolable leak is a leak from the main supply line or the return header.
To repair a non-isolable leak:
1.
Power down all IT equipment.
2.
Re-direct the leaking water away from the IT equipment.
3.
Repair the leak or contact Hewlett Packard Enterprise if you are still within your service contract.
Isolable leak detection
An isolable leak is any type of leak that does not occur from the main supply line or the return header.
To repair an isolable leak:
1.
Inspect the zone indicated on the ECS Status Overview screen. You might need to inspect each
zone condensate drain pan to determine the exact location of the leak.
2.
Power down the IT equipment in the zone where the leak is located.
3.
Determine the affected heat exchanger.
4.
Close and danger tag the supply and return valves to the affected heat exchanger.
If the heat affected exchanger cannot be identified, close all the heat exchanger supply and return
valves in the affected zone and open one supply valve at a time to determine the location of the leak.
5.
Repair the leak or contact Hewlett Packard Enterprise if you are still within your service contract.
Humidifier (if installed)
Component to be
inspected
Task
Humidifier
•
Humidifier drains
Humidifier drains
—
—
Frequency
Inspect for water leaks, verify • Bi-weekly,
if staffed
that no sparks form between
• Quarterly, if
the electrodes during
not staffed
operation
• Inspect the general operation
of the cylinder.
Verify the following:
Quarterly
• Drains are in working order
• There is an air gap at the
funnel/drain entry into the site
system
• Drain discharge is not getting
water on external equipment
or grounding system
Put the humidifier in system flush Quarterly
mode and inspect drain flow and
water supply flow. Inspect, clean,
and/or replace as necessary.
Inspect for any internal or
Quarterly
external water leaks, repair or
replace leaking components.
Using LLS, verify proper cylinder Quarterly
operation. Inspect the cylinder for
blackened areas and, if present,
check the condition of the
electrodes. If necessary, replace
the cylinder.
Capable Party
Qualified personnel
Qualified personnel
Qualified personnel
Qualified personnel
Qualified personnel
Periodic maintenance
65
Component to be
inspected
Task
Frequency
Capable Party
—
Replace the cylinder.
Annually
Qualified personnel
Component to be
inspected
Task
Frequency
Capable Party
Full system functional check
Operational check of all system
components
Check and clear alarm log
Inspect and test ECS battery
backup system
Quarterly
Qualified personnel
Quarterly
Every 2 years
Qualified personnel
Qualified personnel
ECS
—
—
Electrical
Maintenance of the electrical components might require the following:
•
Expose personnel to high voltage.
•
Allow personnel to come into direct contact with high voltage.
•
Power down the POD during the execution of the maintenance item.
You must explicitly state and acknowledge if a POD power down will be possible. If a power down is not
possible, LLS inspections will be conducted and further action will be taken at your discretion.
Component to be
inspected
Task
Frequency
Capable Party
Electrical connections
Use LLS to check for major
electrical connections (torque
marks, sizzle, and acrid odor):
Quarterly
Licensed electrician
Annually
Licensed electrician
•
•
—
Main/House Power Feeds
Busway End Feeds, Drop
Boxes (including cables and
cord caps)
• Electrical panels, breakers,
and disconnects
• 480/415 VAC transformer
POD SHUT DOWN REQUIRED
Conduct torque checks on the
following:
•
•
Grounding
—
Main/House Power Feeds
Electrical panels, breakers,
and disconnects
• Busway End Feeds and Drop
Box locking mechanism (bolt)
Grounding system residence test Every 2 years
using the DUCTOR method
POD SHUT DOWN REQUIRED Every 2 years
Ground and grounding
connection/lug located internal to
each electrical panel torque test.
Clean and re-tighten as
necessary.
Licensed electrician
Licensed electrician
Periodic maintenance
66
Component to be
inspected
Task
Frequency
Capable Party
—
Service entrance grounding
ground-rod/ground well and
grounding connection/lug located
external to the POD torque test.
Clean and re-tighten as
necessary.
POD SHUT DOWN REQUIRED
Service entrance ground
connection/lug located on the
switchboard (or landing location)
torque test. Clean and re-tighten
as necessary.
Grounding system bonding
jumpers that connect racks to the
POD structure and rack to rack
torque test. Clean and re-tighten
as necessary.
Panel breaker operational test
(open and shut).
Every 2 years
Licensed electrician
Every 2 years
Licensed electrician
Every 2 years
Licensed electrician
Annually
LLS inspection of breakers,
disconnects, motor starters, and
fuse holders (physical).
Breaker fault testing for all
breakers ≥ 250AF
Quarterly
Licensed
electrician/Qualified
personnel
Licensed
electrician/Qualified
personnel
Third party testing
facility
Verify proper operation of:
Annually
Qualified personnel
Annually
Qualified personnel
Annually
Qualified personnel
As needed or
Quarterly
Licensed electrician/
Qualified personnel
—
—
Circuit breakers
—
—
Sensors
—
Every 3 years
•
Internal POD temperature
sensors (thermometer)
• Relative humidity sensors
(RH meter)
(Investigate discrepancies,
trouble shoot, and replace as
necessary.)
Compare the following with site
indications (if available):
•
•
•
—
Lighting
CWS/CWR temperature
CWS/CWR pressure
Flow rate (if possible)
(Investigate discrepancies,
trouble shoot, and replace as
necessary.)
POD SHUT DOWN REQUIRED
Calibrate (zero out) POD
differential pressure sensors.
(Investigate discrepancies,
trouble shoot, and replace as
necessary.)
Visual inspection of lighting
fixtures and lamps. Replace
components upon failure.
Fire alarm and suppression system
Component to be inspected Task
Full system functional check
Inspect and perform a
functional check of the system
Frequency
Capable Party
As required by
local code
Authorized technician
Periodic maintenance
67
Component to be inspected Task
Inspect and test fire panel
battery backup system
Inspect and test VESDA power
supply
Inspect the VESDA pipe
network
Inspect the VESDA filter.
Replace as necessary
Conduct a VESDA pipe
integrity smoke test
Check the VESDA pipe flow
Clean the VESDA sampling
points
Flush the VESDA pipe network
VESDA system air
sampling/smoke test
Suppression system test
Fire panel
VESDA
—
—
—
—
—
Frequency
Capable Party
Every 2 years
Authorized technician
Quarterly
Authorized technician
Every 2 years
Authorized technician
Annually
Qualified personnel
Annually
Authorized technician
Annually
Every 2 years
Authorized technician
Authorized technician
Every 2 years
As required by
local code
As required by
local code
Fire-pull visual and operational As required by
inspection
local code
Fire strobe and horn visual and As required by
operational inspection
local code
—
—
Suppression system
—
—
Authorized technician
Authorized technician
Authorized technician
Authorized technician
Authorized technician
POD 20c structure
Component to be
inspected
Task
Complete structure
Visually inspect the structural
Annually
integrity.
Inspect the door operation and
Annually
inspect the door gaskets for water
and air leaks.
Visually inspect the paint.
Annually
Perform prep and touch-up as
necessary.
—
—
Frequency
Capable Party
Qualified personnel
Qualified personnel
Qualified personnel
Life safety
Component to be inspected Task
Manual EPO shunt trip
Thermal EPO shunt trip
Frequency
EPO FUNCTIONAL TEST
Annually
(POD will power down)
Manually initiate EPO with the
internal and external push
buttons (if installed) in
succession. (Verify all
shunt-trips on all panels trip.)
EPO FUNCTIONAL TEST
Annually
(POD will power down)
Initiate a thermal (automatic)
EPO shutdown via the EPO
temperature switches located in
the hot aisle. (Verify all
shunt-trips on all panels trip.)
Capable Party
Qualified personnel
Qualified personnel
Periodic maintenance
68
Component to be inspected Task
EPO System Test
Frequency
EPO NON-FUNCTIONAL TEST Annually
Mode Key Switch Test - rotate
keyed switch through all modes.
ARMED MODE - Verify:
Capable Party
Qualified personnel
•
•
Power Indicator - White
Armed Light - White
BYPASS MODE - Verify
• Bypass Light - Green
TEST MODE - Verify:
• Test Light - Amber
Press EPO button (each in
succession) and thermal trip to
verify:
•
•
•
Emergency Lighting
Exit signs
Emergency egress
Reset Light - White
Audible alarm
Visual lamp indicator
Replace light upon failure
Verify emergency lighting is
Every 2 years
visible when all lighting is off and
the POD doors are shut.
Visually inspect exit signs for
Every 2 years
damage. Replace as necessary.
Personnel door emergency
Every 2 years
egress panic bars. (Visual and
operational inspection.)
Qualified personnel
Qualified personnel
Qualified personnel
Access control
Component to be
inspected
Task
System functional test
Visual inspection and
Annually
operational test of door access
contact switches
Visual inspection and
Annually
operational test of the following:
—
•
•
•
Frequency
Capable Party
Qualified personnel
Qualified personnel
Door access card readers
Electric strikes
Door release switches at
each personnel door and/or
in each personnel door panic
bar
Third-party components
All maintenance for third-party equipment will be defined by the manufacturer of the equipment. Hewlett
Packard Enterprise will, with a defined and signed SOW, conduct all maintenance as identified by the
original manufacturer.
Examples of external third party components that will conduct all manufacturer specified maintenance
with a signed SOW includes:
•
External UPS equipment
Internal UPS and rack equipment that is purchased from Hewlett Packard Enterprise is covered by a
standard warranty and services contract, purchased separately.
Periodic maintenance
69
•
Generators
•
Switchgear
•
For maintenance activities for all third party equipment purchased as part of and delivered with the
POD 20c, see the Operations and Maintenance Manual for the HPE Performance Optimized
Datacenter 20c. This manual might not cover equipment purchased through Critical Facilities
Services.
Periodic maintenance
70
Specifications
General POD 20c specifications
Features
Specifications
Overall dimensions
•
•
•
Weight1
•
•
Height—3.05 m (10 ft)
Length—6.10 m (20 ft)
Width—2.43 m (7.97 ft)
Maximum power2
Empty—7,711 kg (17,000 lb)
Maximum fully loaded—22,680 kg (50,000 lb)
288 kW
Power input voltage
Power input current
Maximum rack quantity
Rack Units (RU) per rack
Rack Units (RU) total
Average capacity per rack (kW)
Peak rack capacity
480 V, 3-phase, 3-wire
2 x 320 A 3-phase, 3-wire feeders
10 racks
50 RU
500 RU
30 kW
69 kW
Voltage to rack
Minimum quantity of PDUs per POD 20c
Maximum quantity of PDUs per POD 20c
Maximum power per PDU
Network supported
240 VAC
10 (one per rack)
20 (two per rack)
30A = 17 kW; 60A = 34 kW
•
•
•
Bulk cable pass-through-fiber
Bulk cable pass-through-copper
External rated DEMARC box
1The
empty weight includes the POD 20c structure, empty racks, PDUs, and drop boxes. It does not include IT
equipment.
2The maximum power depends on the exact installation and power configuration in your POD. The POD 20c is
electrically limited to 288 kW.
Electrical specifications
Electrical busway system information
Feature
Specification
Number of busways
Frequency
Amps (per busway)
Voltage (per busway)
Grounding
Busway configuration
2
50-60 Hz
200 A
415 VAC Wye
Copper
3-phase + neutral + equipment ground
Fire alarm panel connections
The electrical layout of the fire alarm system is as described in the schematic drawing supplied with the
POD 20c.
Specifications
71
Water specifications
The following table describes the chilled water system specifications for the POD 20c.
Feature
Specification
Facility input temperature to the POD 20c
Max design pressure
POD 20c pressure drop
POD 20c water flow rate
Chilled water supply and return
connections
12º to 24ºC (55º to 75ºF)
1,034 kPa (150 psi)
172.4 kPa (25 psi)
454 lpm (120 gpm*)
Two DIN PN16 DN80 flanges
Rack specifications
Standard POD 20c racks (AT978A)
Feature
Specification
U height
Width
Depth
Maximum load weight
50U
54.6 cm (21.5 in)
99 cm (39 in)*
1,360.7 kg (3,000 lb)
*This specification indicates the maximum clearance for the cold aisle. Equipment cannot exceed this measurement.
Thermal and air flow performance
Maximum thermal and air flow POD 20c specification
performance parameters
Dependent on IT configuration and
chilled water inlet temperature
Air temperature—Inlet to
rack-mounted components
Chilled water temperature
Total rack-mounted component air
flow
Heat rejection capacity
12°C to 24°C (55°F to 75°F)
Variable as required to maintain hot
aisle setpoint temperature and
dependent on IT configuration
300 kW
Environmental specifications
Feature
Specification
Operating temperature
Non-operating
temperature*
Operating humidity
-28ºC to 54ºC (-18ºF to 130ºF)
-29ºC to 54ºC (-20ºF to 130ºF)
Non-operating humidity*
•
•
Operating altitude
Non-operating altitude
•
•
0% to 100% external
10% to 90% non-condensing internal
5% to 95% relative non-condensing
39ºC (102ºF) maximum wet bulb
temperature
-76.2 m to 3,048 m (-250 ft to 10,000 ft)
-76.2 m to 9,144 m (-250 ft to 30,000 ft)
*For non-operating specifications, consider the temperature of computer and IT equipment inside the POD 20c.
Specifications
72
Optional features specifications
Feature
Specification
Fire suppression
3M Novec 1230 or FM200 fire extinguishing system provided in two canisters (main and
reserve)
12-key pad with 125 KHz proximity and 13.56 MHz contactless smart card
Provides 0.9-3.63 kg/hr (2-8 lb/hr) of water vapor into cold aisle to maintain POD
environment within 20% to 80% relative humidity
Card reader
Humidifier
Specifications
73
Support and other resources
Accessing Hewlett Packard Enterprise Support
•
For live assistance, go to the Contact Hewlett Packard Enterprise Worldwide website
(http://www.hpe.com/assistance).
•
To access documentation and support services, go to the Hewlett Packard Enterprise Support
Center website (http://www.hpe.com/support/hpesc).
Information to collect
•
Technical support registration number (if applicable)
•
Product name, model or version, and serial number
•
Operating system name and version
•
Firmware version
•
Error messages
•
Product-specific reports and logs
•
Add-on products or components
•
Third-party products or components
Accessing updates
•
Some software products provide a mechanism for accessing software updates through the product
interface. Review your product documentation to identify the recommended software update
method.
•
To download product updates, go to either of the following:
•
o
Hewlett Packard Enterprise Support Center Get connected with updates page
(http://www.hpe.com/support/e-updates)
o
Software Depot website (http://www.hpe.com/support/softwaredepot)
To view and update your entitlements, and to link your contracts and warranties with your profile, go
to the Hewlett Packard Enterprise Support Center More Information on Access to Support
Materials page (http://www.hpe.com/support/AccessToSupportMaterials).
IMPORTANT: Access to some updates might require product entitlement when accessed
through the Hewlett Packard Enterprise Support Center. You must have an HP Passport set up
with relevant entitlements.
Websites
•
Hewlett Packard Enterprise Information Library (http://www.hpe.com/info/enterprise/docs)
•
Hewlett Packard Enterprise Support Center (http://www.hpe.com/support/hpesc)
•
Contact Hewlett Packard Enterprise Worldwide (http://www.hpe.com/assistance)
Support and other resources 74
•
Subscription Service/Support Alerts (http://www.hpe.com/support/e-updates)
•
Software Depot (http://www.hpe.com/support/softwaredepot)
•
Customer Self Repair (http://www.hpe.com/support/selfrepair)
•
Insight Remote Support (http://www.hpe.com/info/insightremotesupport/docs)
•
Serviceguard Solutions for HP-UX (http://www.hpe.com/info/hpux-serviceguard-docs)
•
Single Point of Connectivity Knowledge (SPOCK) Storage compatibility matrix
(http://www.hpe.com/storage/spock)
•
Storage white papers and analyst reports (http://www.hpe.com/storage/whitepapers)
Remote support
Remote support is available with supported devices as part of your warranty or contractual support
agreement. It provides intelligent event diagnosis, and automatic, secure submission of hardware event
notifications to Hewlett Packard Enterprise, which will initiate a fast and accurate resolution based on your
product’s service level. Hewlett Packard Enterprise strongly recommends that you register your device for
remote support.
For more information and device support details, go to the Insight Remote Support website
(http://www.hpe.com/info/insightremotesupport/docs).
Support and other resources 75
Regulatory information
POD 20c regulatory compliance
The POD 20c complies with the following regulatory standards.
Standard
Certification level
Standard title
UL 60950
ETL "Listed"
•
NFPA 70
ETL "Classified"
Designed to Comply
With applicable
requirements
NFPA 2001 Designed to Comply
With applicable
requirements
Designed to Comply
IBC 2009
With applicable
requirements
NFPA 72
UL 60950—Standard for Safety Information Technology
Equipment, Part 1: General Requirements, Issue: 2007/03/27,
Edition: 2
• UL 60950—Standard for Safety Information Technology
Equipment, Part 22: Equipment to be Installed Outdoors, Issue:
2007/04/23, Edition: 1
NFPA 70—National Electric Code, 2008 Edition, © 2008 National Fire
Protection Association
National Fire Alarm code, 2007 Edition, © 2006 National Fire
Protection Association
NFPA 2001, Standard on Clean Agent Fire Extinguishing Systems,
2008 Edition, © 2008 National Fire Protection Association
2009 International Building Code, © 2010 International Code Council,
Inc.
Safety and NEC compliance
The POD 20c is certified to UL 69050-1/IEC 60950-22 as an Information Technology Product and
classified according to the National Electric Code NFPA 70. For more information, see "POD 20c
regulatory compliance (on page 76)."
The POD 20c is not suitable for long-term human occupancy. The POD 20c is Listed as a Product that
provides service access areas for periodic maintenance and service. These areas must be used only by
owner-authorized and qualified personnel who are trained in the maintenance and service of the POD 20c
components.
IMPORTANT: Before installing the POD 20c, consult your local AHJ for applicable
regulations and to review site-specific location guidelines. If needed, obtain any necessary
permits.
Additional considerations for safety and NEC compliance are as follows:
•
The POD 20c is listed as an Information Technology Product to UL 60950.
•
The POD 20c is evaluated as a "non-inhabitable product" that provides "service access" areas for
customer-authorized, qualified, and trained service personnel.
•
The electrical connections of the POD 20c are evaluated as feeder connections for connection to an
existing facility, and are not suitable as "service entrance" for connection to the utility.
•
The POD 20c is designed for stationary installation outdoors in a Pollution Degree 3 environment, in
restricted access locations, with field wiring terminals provided for permanent supply connections.
•
The POD 20c meets the following ratings.
Regulatory information 76
Feature
Specification
Category
Protection
Class
Ambient temperature
Relative humidity
Rated Overvoltage Category III
Surge protection device
Class1
2°C to 54°C (35.6°F to 129.2°F)
0% to 100% humidity
•
As part of the overall certification, relevant sections of the International Building Code have been
applied as part of the design and evaluation. The current design supports wind loads up to 90 mph.
Regulatory information 77
Warranty and regulatory information
Warranty information
HPE ProLiant and x86 Servers and Options (http://www.hpe.com/support/ProLiantServers-Warranties)
HPE Enterprise Servers (http://www.hpe.com/support/EnterpriseServers-Warranties)
HPE Storage Products (http://www.hpe.com/support/Storage-Warranties)
HPE Networking Products (http://www.hpe.com/support/Networking-Warranties)
Regulatory information
Safety and regulatory compliance
For important safety, environmental, and regulatory information, see Safety and Compliance Information
for Server, Storage, Power, Networking, and Rack Products, available at the Hewlett Packard Enterprise
website (http://www.hpe.com/support/Safety-Compliance-EnterpriseProducts).
Belarus Kazakhstan Russia marking
Manufacturer and Local Representative Information
Manufacturer information:
Hewlett Packard Enterprise Company, 3000 Hanover Street, Palo Alto, CA 94304 U.S.
Local representative information Russian:
•
Russia:
•
Belarus:
•
Kazakhstan:
Local representative information Kazakh:
•
Russia:
Regulatory information 78
•
Belarus:
•
Kazakhstan:
Manufacturing date:
The manufacturing date is defined by the serial number.
CCSYWWZZZZ (serial number format for this product)
Valid date formats include:
•
YWW, where Y indicates the year counting from within each new decade, with 2000 as the starting
point; for example, 238: 2 for 2002 and 38 for the week of September 9. In addition, 2010 is indicated
by 0, 2011 by 1, 2012 by 2, 2013 by 3, and so forth.
•
YYWW, where YY indicates the year, using a base year of 2000; for example, 0238: 02 for 2002 and
38 for the week of September 9.
Turkey RoHS material content declaration
Ukraine RoHS material content declaration
Regulatory information 79
Acronyms and abbreviations
branch circuit
The conductors and components following the last overcurrent protective device protecting a load.
control transformer
A transformer whose secondary supplies power to control circuit devices only (excluding loads).
cover
An unhinged portion of an enclosure that covers an opening.
CSC
container safety convention
disconnect switch
A device that disconnects all ungrounded conductors of a circuit from their electrical supply.
door
A hinged portion of an enclosure that covers an opening.
ECS
environmental control system
EPO
emergency power off
equipment
A general term, including fittings, devices, appliances, luminaries, apparatus, machinery, and the like
used as a part of, or in connection with, a modular data center (Source: NEC).
fuse, branch circuit type
A fuse of Class CC, G, H, J, K, L, R, and T. These fuses are able to provide branch circuit protection.
fuse, supplementary type
Miscellaneous type and miniature type fuses. These fuses are able to provide supplementary protection
only.
IEC
International Electrotechnical Commission
LLS
LLS means look, listen, and sniff. Use your visual, auditory, and olfactory senses to detect electrical fires.
Acronyms and abbreviations 80
PDU
power distribution unit
PLC
programmable logic controller
power circuit
Conductors and components of branch and feeder circuits.
PPE
personal protective equipment
RU
rack units
SOW
statement of work
structure
Enclosure of sufficient size to enable entry of personnel.
supplementary protector
A manually resettable device designed to open the circuit automatically on a predetermined value of time
versus current or voltage within an appliance or other electrical equipment. The protector can also be
provided manually to open or close the circuit. These devices can provide supplementary protection only.
UL
Underwriters Laboratory
UPS
uninterruptible power system
VESDA
very early warning smoke detection apparatus
Acronyms and abbreviations 81
Documentation feedback
Hewlett Packard Enterprise is committed to providing documentation that meets your needs. To help us
improve the documentation, send any errors, suggestions, or comments to Documentation Feedback
(mailto:[email protected]). When submitting your feedback, include the document title, part
number, edition, and publication date located on the front cover of the document. For online help content,
include the product name, product version, help edition, and publication date located on the legal notices
page.
Documentation feedback 82
Index
A
access control 69
aisle clearances 12
authorized reseller 74
B
busway drop boxes 23
buttons 16
C
chilled water flow sensor 38
chilled water flow sensor, removing 38
chilled water flow sensor, replacing 39
chilled water flow valve, removing 42
chilled water flow valve, replacing 43
chilled water supply and return header pressure
sensors 37
chilled water supply and return header pressure
sensors, removing 37
chilled water supply and return header pressure
sensors, replacing 38
chilled water system temperature sensor 39
chilled water system temperature sensor,
removing 40
chilled water system temperature sensor,
replacing 40
chilled water temperature sensor internal
components 41
chilled water temperature sensor internal
components, removing 41
chilled water temperature sensor internal
components, replacing 41
cold aisle clearance 12
compliance 78
components 5, 16
components, identification 5, 26
components, mechanical 5
contact information 74
control relay module 19
control relay module, removing 19
control relay module, replacing 20
cooling system maintenance 63
D
differential pressure sensor 20
differential pressure sensor, removing 21
differential pressure sensor, replacing 20, 21
documentation 82
documentation feedback 82
door contact, removing 22
door position devices 22
drain pan sensor, replacing 55, 56
drain pan sensors 55
drop boxes 23
E
ECS 66
electrical 23, 66
electrical specifications 71
environmental specifications 72
EPO button, removing 17
EPO button, replacing 18
EPO buttons 16
EPO indicator, removing 52
EPO indicator, replacing 53
EPO LED indicators 51
EPO temperature sensors 56
EPO temperature sensors, removing 57
EPO temperature sensors, replacing 57
external chilled water isolation valve 42
F
fan filter, removing 32
fan filter, replacing 32
fan filters 32
fans 26
Federal Communications Commission (FCC)
notice 78
filter 32, 33
fire detection and suppression 14
fire safety system 67
fire suppression 14, 67
fluid system components 36
fluorescent light 54
fluorescent light, removing 54
fluorescent light, replacing 54
G
general specifications 71
H
heat exchanger air filter, removing 32
heat exchanger air filter, replacing 32
heat exchanger filters 32
heat exchanger unit 44
Index 83
help resources 74
HP technical support 74
HP, contacting 74
humidifier 45, 65
humidifier, removing 45
humidifier, replacing 47
humidistat 48
humidistat, removing 48
humidistat, replacing 49
humidity sensor 59
humidity sensor, removing 59
humidity sensor, replacing 59
I
illustrated parts catalog 5
indicators 51
installation considerations 14
IT cooling fan, replacing 27
L
leak detection 64
leak isolation 64
life safety maintenance 68
lighting 54
regulatory information 76, 78
removal and replacement procedures 16
replacement procedures 16
required tools 16
S
safety and NEC compliance 14
safety considerations 78
safety information 78
sensors 55
sensors, drain pan 55
sensors, temperature 60, 61
series number 78
spare part numbers 5
specifications 71
specifications, electrical 71
specifications, environmental 71, 72
specifications, general 71
specifications, rack 72
specifications, water 72
structure 68
structure maintenance 68
T
O
technical support 74
telephone numbers 74
temperature sensor 60, 61
temperature sensors, cold aisle 60
temperature sensors, cold aisle, removing
temperature sensors, cold aisle, replacing
temperature sensors, hot aisle 61
temperature sensors, hot aisle, removing
temperature sensors, hot aisle, replacing
thermal air flow performance 72
third-party components 69
optional features specifications 73
overview, Periodic maintenance 63
V
M
magnetic contact 22
magnetic contact, removing 22
magnetic contact, replacing 22
maintenance, cooling system 63
mechanical components 5
modifications, FCC notice 78
P
part numbers 5
periodic maintenance 63
POD 20c racks 11
POD 20c regulatory compliance 76
pressure gauge isolation valve 43
pressure gauge isolation valve, removing 43
pressure gauge isolation valve, replacing 44
Q
qualified personnel 63
60
61
62
62
valves 42
ventilation fan filter, removing 35, 36
ventilation fan filter, replacing 35, 36
ventilation fan, removing 29, 30
ventilation fan, replacing 30, 31
VESDA filter 33
VESDA filter, removing 33
VESDA filter, replacing 34
W
warranty information 78
water specifications 72
work space, lighting 54
R
rack specifications 72
regulatory compliance notices 76, 78, 79
regulatory compliance, POD 20c 14, 76
Index 84

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