HP Performance Optimized Datacenter 20c Maintenance And Service Manual
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HP Performance Optimized Datacenter 20c Maintenance And Service Manual

HP Performance Optimized Datacenter 20c Maintenance And Service Manual

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HP Performance Optimized Datacenter 20c
Maintenance and Service Guide—International
Abstract
This guide provides maintenance and service instructions for the HP Performance Optimized Datacenter 20c (HP POD 20c).
Part Number: 732011-001
June 2013
Edition: 1

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  • Page 1 HP Performance Optimized Datacenter 20c Maintenance and Service Guide—International Abstract This guide provides maintenance and service instructions for the HP Performance Optimized Datacenter 20c (HP POD 20c). Part Number: 732011-001 June 2013 Edition: 1...
  • Page 2 © Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP 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. HP shall...

  • Page 3: Table Of Contents

    Structural component identification ......................5 Life safety component identification ......................5 Electrical power component identification ..................... 8 Control cabinet component identification ....................12 HP POD 20c racks ..........................13 Aisle clearances ............................14 Cold aisle clearance ........................14 Hot aisle clearance ........................15 Replaceable components ..........................
  • Page 4 Life safety ............................... 75 Access control ............................76 Third-party components ..........................76 Specifications ..........................77 General HP POD 20c specifications ......................77 Electrical specifications ........................77 Water specifications ........................78 Rack specifications ..........................78 Thermal and air flow performance ......................78 Environmental specifications ........................

  • Page 5: Illustrated Parts Catalog

    Illustrated parts catalog Structural component identification The HP POD 20c documentation frequently refers to the specific components of the HP POD 20c as shown in the following figure and described in the following table. Item Component Description Heat exchanger access hatches...
  • Page 6 *This is an optional component that might not be included. Internal emergency status indicators The HP POD 20c has one fire strobe light that indicates a fire alarm condition. Illustrated parts catalog 6...
  • Page 7 Item Component Description Fire strobe light Indicates a fire alarm condition within the HP POD 20c Fire horn Indicates a fire alarm condition within the HP POD 20c Optional EPO button Manually triggers an EPO shutdown within the HP POD 20c...

  • Page 8: Electrical Power Component Identification

    3-phase, 320 A The demarcation box and the fire box are communication data points that are provided on the POD by HP. Connecting these data points is the responsibility of the customer, unless an approved Statement of Work is initiated.
  • Page 9 Side view shown Critical IT and transformer cabinet Front view shown External panel labels Illustrated parts catalog 9...
  • Page 10 Front view shown Item Electrical safety label Description House panel cabinet high Provides a reminder to users there are high voltage electrical voltage components inside the cabinet Transformer cabinet high Provides a reminder to users there are high voltage voltage warning transformers inside the cabinet Disconnect label Provides the order for disconnecting the electrical panels...
  • Page 11 Item Electrical safety label Description Do not enter label Provides a warning to users not to enter while a fire is extinguishing Power disconnect label States that power should be disconnected before maintenance is performed Short circuit current label States that the design of the POD can withstand the available fault current and describes the electrical system Arc flash warning Provides a reminder to users of the danger of arc flash and...

  • Page 12: Control Cabinet Component Identification

    Side view shown Power feeders caution label Cautions users about phase rotation for all power feeders Wire color code Lists the 380-415 Y/200-240 V color codes: • Brown—Phase A/L1 • Black—Phase B/L2 • Grey—Phase 3/L3 • Blue—Neutral • Green and yellow—Equipment ground Panel schedule/circuit breaker Lists the layout and designation for all circuit breakers and lists table/fuse list...

  • Page 13: Hp Pod 20C Racks

    HP POD 20c racks The standard HP installed rack is a 50U rack. The HP 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.

  • Page 14: Aisle Clearances

    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 39.5 inches.

  • Page 15: Hot Aisle Clearance

    2.54 cm (16 in) must be considered when selecting IT infrastructure that will populate into the hot aisle. Replaceable components The following components are available for order through HP for replacement by qualified personnel. Spare part number Description SPS-FILTER SCREENS FRAME w/FILTER...
  • Page 16 Spare part number Description SPS-SENSOR TEMP POD 637120-001 SPS-TSAT 60 637129-001 SPS-SENSOR PRESSURE ABS 10 BAR 637136-001 SPS-SENSOR TEMP ROOM 637137-001 SPS-FILTER REPLACEMENT VESDA 641859-001 SPS-Switch ZCKM1H29 660813-001 SPS-Switch ZCKD15 660814-001 SPS-Sensor 660815-001 SPS-PCI card 660816-001 SPS-Sensor DMU/A-I-V1 660818-001 SPS-Cable WD-CS-2M 660819-001 SPS-Sensor RAF/A-1-I 660821-001...

  • Page 17: Installation Considerations

    (on page 81)." The HP POD 20c is not suitable for long-term human occupancy. The HP 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 HP POD 20c components.

  • Page 18: Fire Detection And Suppression

    HP does not certify that the fire suppression system that is installed in the HP POD 20c meets all local and jurisdictional requirements. The customer is responsible for the following actions as related to the fire suppression system: •...

  • Page 19: Removal And Replacement Procedures

    Removal and replacement procedures Buttons EPO button One EPO button is located on the POD interior near the main exit, and an optional second EPO button is located on the POD exterior. Removing the EPO button Open the tamper cover. Removal and replacement procedures 19...
  • Page 20 Remove the two screws securing the call point housing (1), and then remove the call point housing cover (2). Remove the retention device from the back of the EPO button (1), and then remove the EPO button (2). Replacing the EPO button Replace the EPO button (1), and then replace the retention device on the back of the EPO button (2).

  • Page 21: Din Rail Components

    Close the tamper cover. DIN rail components The HP POD 20c contains several types of electrical components that are mounted with DIN rails. The methods for removing and replacing the DIN rail components vary and depend on the type of components and the manufacturer of the components.

  • Page 22: Control Relay Module

    The removal and replacement procedures for every single type of DIN rail component that might be installed in your HP POD 20c is beyond the scope of this guide. However, an example of the removal and replacement of a DIN rail component is described in the following section. Keep in mind that these instructions are written with the assumption that no power is being supplied to the components during removal and replacement.

  • Page 23: Door Position Devices

    Reconnect all wiring to the control relay module. Door position devices Limit switch Limit switches are part of the door position indication within the ECS. All doors have limit switches. You need a screwdriver to remove and replace the limit switch. Removing the limit switch Remove the four screws from the limit switch assembly (1).

  • Page 24: Electrical

    Replacing the limit switch Position the limit switch assembly on the door (1). Reconnect the wires. Tighten the four screws (2). Electrical Busway drop box The internal electrical busways provide a location to connect each of the drop boxes, which then power the PDUs.
  • Page 25 IMPORTANT: HP 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.
  • Page 26 Rotate the busway drop box 90° so that it is perpendicular to the electrical busway, and then remove the drop box from the electrical busway (3). 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).
  • Page 27 Secure the busway drop box to the retaining hardware bracket by using a socket wrench to insert and tighten a bolt (4). Connect the PDUs to the busway drop box (1). Turn the power on by closing both breakers on the busway drop box (2). Removal and replacement procedures 27...

  • Page 28: Fans

    HP recommends leaving the fans in AUTO mode during normal operation. The HP POD 20c has 3 banks of 6 fans, for a total of 18 fans per zone. These fans circulate cool air from the heat exchangers throughout the POD.
  • Page 29 Unseat both power supplies from the fan power assembly. Remove the three screws that secure the fan in the assembly (1), and then partially remove the fan by pulling it straight out (2). Disconnect the wire. Remove the fan from the assembly. Replacing the variable speed IT cooling fan Connect the wire.

  • Page 30: Cooling Fan Bank Assembly

    You need a screwdriver to remove and replace the cooling fan bank assembly. Removing the cooling fan bank assembly HP recommends leaving the fans in AUTO mode during normal operation. Removal and replacement procedures 30...
  • Page 31 Take manual control of the fan speed in the affected zone from the ECS panel. Set the fan speed to zero. Unseat both power supplies from the fan power assembly. Remove the cooling fan bank wire harness (1). Remove the six screws that secure the cooling fan bank (2). Remove the cooling fan bank by pulling it straight out (3).

  • Page 32: Cooling Fan Controller

    Removing the cooling fan controller makes all fans within the affected zone inoperable. Take this into consideration when deciding whether to continue operating IT within the affected zone. HP recommends powering down all IT in the zone. You need a screwdriver to remove and replace the cooling fan controller.
  • Page 33 Pull the fan controller from the ceiling (2). Replacing the cooling fan controller Insert the fan controller into the ceiling (1). Replace the four screws (2). Reconnect the outbound 24 V dc fan power cables. Reconnect the inbound 230 V power connectors. Return power to the controller.

  • Page 34: Ventilation Fan

    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. Rittal SK 3243 You do not need any tools to remove and replace the ventilation fan. Removing the Rittal SK 3243 ventilation fan Open the ECS cabinet door.

  • Page 35: Filters

    Replacing the Rittal SK 3243 ventilation fan Insert the fan module into the screwless spring terminal (1). Rotate the fan module clockwise until it is seated (2). Reconnect the fan wires. Insert the ventilation fan into the ventilation fan cut-out hole. Close the ECS cabinet door.

  • Page 36: Vesda Filter

    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. HP recommends periodically inspecting and changing each VESDA filter. A VESDA filter can be replaced during normal HP POD 20c operation.
  • Page 37 Removing the VESDA filter 1. Remove the filter cover on the front of the VESDA unit. 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). Removal and replacement procedures 37...

  • Page 38: Rittal Sk 3243 Ventilation Fan Filter

    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. Removing the Rittal SK 3243 ventilation fan filter Lift the latch on the louvered grille and pull forward to open it (1).

  • Page 39: Fire Alarm Activation

    Replacing the Rittal SK 3243 ventilation fan filter Insert the new filter (1). Close the louvered grille (2). Fire alarm activation Manual call point safety glass replacement The manual call point enables you to signal to other occupants of the POD that a fire or other emergency exits.
  • Page 40 Removing the manual call point glass or flexi element Insert the manual call point key into the holes that are located on the bottom of the call point box. Remove the manual call point key (1), and then disengage the bezel (2). Removal and replacement procedures 40...
  • Page 41 While grasping the sides of the bezel (1), slide it down to expose the glass or flexi element (2). Remove the manual call point glass or flexi element. Replacing the manual call point glass or flexi element Insert the replacement glass or flexi element. Removal and replacement procedures 41...

  • Page 42: Indicators

    The touchscreen enables you to easily configure the environmental parameters, access data, and monitor environmental, life safety, and access control conditions within the HP POD 20c. The EPO indicators provide EPO status. The EPO key control and EPO reset button enable you to adjust the EPO system mode.
  • Page 43 Indicates that the EPO system is operating in test mode or that an EPO cover is open Main light switch — Turns power to the HP POD 20c lights off and on ECS power switch — Turns the main power to the 24V ECS...

  • Page 44: Fluid System Components

    Attach the contact block to the mounting base (2). Attach the screw to the mounting base (3). Fluid system components The removal of any HP POD 20c installed chilled water fluid system components that compose or penetrate the physical integrity of the fluid system requires the following: •...

  • Page 45: Chilled Water Supply And Return Header Pressure Sensors

    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 HP POD 20c to keep the installed IT equipment from getting wet. •...

  • Page 46: Chilled Water Flow Sensor

    Remove the sensor from the water piping. Replacing the chilled water supply and return header pressure sensor Position the sensor as it was before removal. Connect the sensor to the sensing tube. Using a wrench, rotate the sensor retaining nut clockwise to tighten it. Reconnect the sensor wiring.

  • Page 47: Chilled Water System Temperature Sensor

    Using a wrench, rotate the sensor locking gland clockwise to tighten it (2). Chilled water system temperature sensor The HP 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.
  • Page 48 HP 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 48). You need a wrench and a screwdriver to remove and replace the sensor.

  • Page 49: Chilled Water Temperature Sensor Internal Components

    Reconnect the wiring, replace the sensor cover, and replace the removed insulation. Chilled water temperature sensor internal components The HP 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.
  • Page 50 Remove the chilled water temperature sensor circuit board (2). Replacing the chilled water temperature sensor internal components Replace the chilled water temperature sensor circuit board (1). Replace the two screws to secure the chilled water temperature sensor circuit board (2). Reconnect the sensor wires.

  • Page 51: Valves

    Valves External chilled water isolation valve The external chilled water isolation valve is a butterfly valve located on the top of the HP POD 20c. You need a wrench to remove and replace the external chilled water isolation valve. Removing the external chilled water isolation valve Remove the eight bolts surrounding the valve (1).
  • Page 52 Secure the valve with eight bolts (2). External pressure gauge isolation valve The external pressure gauge isolation valve is located on top of the HP POD 20c. You need an adjustable wrench or an appropriately sized box wrench for installation.

  • Page 53: Heat Exchanger

    Insert the new valve (1). Tighten the connection (2). Heat exchanger HP service personnel is required to replace this spare component. Please contact HP Services for assistance. Humidifier The humidifier is located in the cold aisle humidifier bump out. You need a Phillips-head screwdriver for installation.
  • Page 54 Press the power button on the outside of the humidifier to power down the humidifier. Close the water supply isolation valve on the HP POD 20c exterior. Disconnect the water supply line to the humidifier on the HP POD 20c exterior to relieve the water pressure.
  • Page 55 Remove the four screws that secure the humidifier body to the wall (1), and then remove the humidifier (2). Replacing the humidifier Replace the humidifier (1), and then secure the humidifier to the wall with four screws (2). Connect the drain (1). Connect the humidifier to the water supply line (2).
  • Page 56 Replace the humidifier cover (1), and then secure the cover with four screws (2). Open the water supply isolation valve on the HP POD 20c exterior. Connect the water supply line to the humidifier on the HP POD 20c exterior. Close the associated circuit breaker in the ECS cabinet.

  • Page 57: Lights

    Lights LED light The LED light contains three panels of LED bulbs and six LED lights. You need a screwdriver to remove and replace the LED light. Removing the LED light You need a screwdriver to remove and replace the LED light. Disconnect power from the LED light.

  • Page 58: Sensors

    ECS. Drain pan sensors The HP POD 20c includes three heat exchanger condensate drains. One drain pan sensor is located in the drain tray below each set of heat exchangers. Three sensors are also located in the chilled water supply and return header drain pans, one in each of the corresponding cooling zones.
  • Page 59 Removing the heat exchanger condensate drain pan sensor If you are removing a heat exchanger condensate drain pan sensor, do the following: Inspect the area by removing the center, bottom fan from the center fan bank in the associated zone. For more information, see "Removing the cooling fan ("Removing the variable speed IT cooling fan"...

  • Page 60: Differential Pressure Sensors

    Replace the fan bank you removed, if applicable. For more information, see "Replacing the cooling fan bank assembly (on page 31)." Replace the fan you removed, if applicable. For more information, see "Replacing the cooling fan ("Replacing the variable speed IT cooling fan"...

  • Page 61: Epo Temperature Sensors

    Replacing the differential pressure sensor Replace the differential pressure sensor (1), and then secure the differential pressure sensor with two bolts (2). Insert the pressure sensor tubes into the differential pressure sensor according to the connection locations you labeled during the removal procedure. Replace the sensor wires according to the connection locations you labeled during the removal procedure, and then tighten the screws to secure the sensor wires.

  • Page 62: Humidity Sensor

    Secure the thermister with tie wraps (2). Humidity sensor The HP POD 20c contains one humidity sensor. It is located in the cold aisle in cooling zone 2. You need a screwdriver to remove and replace the humidity sensor. Removing the humidity sensor Remove the four screws that secure the sensor cover (1), and then remove the cover (2).
  • Page 63 Remove the two retaining screws, and then remove the humidity sensor housing from the wall (4). Replacing the humidity sensor Re-attach the humidity sensor housing to the wall (1). Replace the two self-tapping screws (2). Reconnect the wires to the hot-aisle humidity sensor. Replace the sensor cover (3).

  • Page 64: Temperature Sensors (Cold Aisle)

    Temperature sensors (cold aisle) The HP 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 Remove the four screws (1) that secure the cold-aisle temperature sensor cover, and then remove the cover (2).

  • Page 65: Temperature Sensors (Hot Aisle)

    Replace the four screws that secure the cold-aisle temperature sensor cover (2). Temperature sensors (hot aisle) The HP POD 20c contains three temperature sensors in the hot aisle. You need a screwdriver to remove and replace the hot aisle temperature sensors.
  • Page 66 Removing the hot aisle temperature sensor Remove the four screws (1) that secure the hot-aisle temperature sensor cover, and then remove the cover (2). Label the hot-aisle temperature sensor wires or take a picture to remember which wires to reconnect later.

  • Page 67: Switches

    Switches ECS power switch The ECS power switch is located on the ECS cabinet door. You need a screwdriver to remove and replace the ECS power switch. Removing the ECS power switch Remove the ECS power switch (1). Remove the four screws from the door interlock plate (2). Remove the switch body from the interlock plate (3).
  • Page 68 Insert the ECS power switch into the interlock plate (3). Removal and replacement procedures 68...

  • Page 69: Periodic Maintenance

    Periodic maintenance Periodic maintenance overview Perform periodic inspections on the components in this section to be sure that the HP POD 20c continues to perform within the designed parameters. Qualified personnel Qualified personnel are identified as personnel who are: •...

  • Page 70: Leak Detection

    (if permissible or possible) Leak detection The HP 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.

  • Page 71: Humidifier (If Installed)

    If a serious leak develops, shut down the POD immediately and isolate the chilled water cooling system from the site. Contact HP 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.

  • Page 72: Ecs

    Component to be inspected Task Frequency Capable Party Put the humidifier in system flush Quarterly Qualified personnel Humidifier drains mode and inspect drain flow and water supply flow. Inspect, clean, and/or replace as necessary. Inspect for any internal or external Quarterly Qualified personnel —...
  • Page 73 Component to be inspected Task Frequency Capable Party POD SHUT DOWN REQUIRED Licensed electrician — Annually Conduct torque checks on the following: • 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 Licensed electrician...

  • Page 74: Fire Alarm And Suppression System

    Fire strobe and horn visual and As required by Authorized technician — operational inspection local code HP POD 20c structure Component to be inspected Task Frequency Capable Party Visually inspect the structural Annually Qualified personnel Complete structure integrity.

  • Page 75: Life Safety

    Component to be inspected Task Frequency Capable Party Inspect the door operation and Annually Qualified personnel — inspect the door gaskets for water and air leaks. Visually inspect the paint. Perform Annually Qualified personnel — prep and touch-up as necessary. Life safety Component to be inspected Task...

  • Page 76: Access Control

    Examples of external third party components that HP will conduct all manufacturer specified maintenance with a signed SOW includes: • External UPS equipment Internal UPS and rack equipment that is purchased from HP is covered by a standard HP warranty and services contract, purchased separately. • Generators •...

  • Page 77: Specifications

    • External rated DEMARC box The empty weight includes the HP POD 20c structure, empty racks, PDUs, and drop boxes. It does not include IT equipment. The maximum power depends on the exact installation and power configuration in your POD. The HP POD 20c is electrically limited to 288 kW.

  • Page 78: Water Specifications

    Fire alarm panel connections The electrical layout of the fire alarm system is as described in the schematic drawing supplied with the HP POD 20c. Water specifications The following table describes the chilled water system specifications for the HP POD 20c.

  • Page 79: Optional Features Specifications

    -76.2 m to 3,048 m (-250 ft to 10,000 ft) Operating altitude -76.2 m to 9,144 m (-250 ft to 30,000 ft) Non-operating altitude *For non-operating specifications, consider the temperature of computer and IT equipment inside the HP POD 20c. Optional features specifications Feature Specification...

  • Page 80: Contacting Hp

    Active Health System log (HP ProLiant Gen8 or later products) Download and have available an Active Health System log for 3 days before the failure was detected. For more information, see the HP iLO 4 User Guide or HP Intelligent Provisioning User Guide on the HP website (http://www.hp.com/go/ilo/docs).

  • Page 81: Regulatory Information

    (on page 81)." The HP POD 20c is not suitable for long-term human occupancy. The HP 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 HP POD 20c components.

  • Page 82: Safety And Regulatory Compliance

    (90 mph). Safety and regulatory compliance For safety, environmental, and regulatory information, see Safety and Compliance Information for Server, Storage, Power, Networking, and Rack Products, available at the HP website (http://www.hp.com/support/Safety-Compliance-EnterpriseProducts). Turkey RoHS material content declaration Ukraine RoHS material content declaration Warranty information HP ProLiant and X86 Servers and Options (http://www.hp.com/support/ProLiantServers-Warranties)

  • Page 83: Glossary

    Glossary branch circuit The conductors and components following the last overcurrent protective device protecting a load. cover An unhinged portion of an enclosure that covers an opening. container safety convention door A hinged portion of an enclosure that covers an opening. environmental control system emergency power off equipment...
  • Page 84 power circuit Conductors and components of branch and feeder circuits. personal protective equipment rack units 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.

  • Page 85: Documentation Feedback

    Documentation feedback HP 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:docsfeedback@hp.com). Include the document title and part number, version number, or the URL when submitting your feedback.

  • Page 86: Index

    32 cooling fan controller, replacing 33 cooling system maintenance 69 customer self repair (CSR) 80 before you contact HP 80 busway drop box, removing 25 busway drop box, replacing 26 busway drop boxes 24 differential pressure sensor 60...
  • Page 87 62 rack specifications 78 humidity sensor, replacing 63 regulatory compliance identification numbers 82 regulatory compliance notices 81, 82 regulatory compliance, HP POD 20c 17, 81 illustrated parts catalog 5 regulatory information 81 indicators 42 removal and replacement procedures 19...
  • Page 88 15 replacement procedures 19 warranty information 82 required tools 19 water specifications 78 website, HP 80 safety considerations 82 safety information 82 sensors 58 sensors, drain pan 58 sensors, humidity 62 sensors, temperature 61, 64, 65 series number 82...

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