HP 240A User Manual Page 47
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- Table of contents
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Environmental control system 47
Operation displayed Description
Isolation damper
Indicates the position of the isolation damper,
100% means the damper is open
Water PID
Indicates the percentage of full flow water usage
Return damper
Indicates the position of the return damper, 100%
means the damper is open
Bypass damper
Indicates the position of the bypass damper,
100% means the damper is open
Cold aisle fan
Indicates the speed of the cold aisle fan
Outdoor damper
Indicates the position of the return damper, 100%
means the damper is open
OA temperature
Indicates the OA temperature
OA relative humidity
Indicates the OA relative humidity
OA dew point
Indicates the OA dew point temperature
The AD detail screen displays the following alarm conditions:
Alarm displayed Description
Filter
Indicates that a filter needs to be changed
Fire/smoke
Indicates fire or smoke is detected
Hi water warning
Indicates water in the Adiabatic drain pan
Hi-Hi water critical
Indicates excessive water in the Adiabatic drain
pan
Heater over temperature
Indicates the AHU heater temperature is too high
AC power failure
Indicates the AHU power is in failure
CA temperature compare
Indicates the AHU discharge temperature is in
range of the other AHUs in the IT section
Winterize
Indicates the Adiabatic units are operating in
Winterize mode
If an alarm condition exists for the Adiabatic unit, the parameter that is out of range will turn amber or red,
based on the severity of the alarm condition. For more information about alarm conditions, see "Alarms
screen (on page 51)".
To view the details of another Adiabatic unit, click the PREV/NEXT buttons on the top of the screen. These
buttons allow you to scroll numerically through all of the Adiabatic units.
Charts screen
The Charts screen displays the following information:
• Psychrometric chart (on page 48)—Displays recommended and operational ranges for the HP POD
240e NA.
• Readings chart (on page 48)—Displays static pressure, temperature, fan speed, water valve, or
damper readings.
- North America (Adiabatic) 1
- User Guide 1
- Contents 3
- Contents 4 4
- Contents 5 5
- Overview 6
- Fire detection 7
- Preventative maintenance 7
- Environmental considerations 7
- Component identification 8
- Component identification 11 11
- Life safety systems 19
- EPO modes 21
- EPO accidental activation 21
- Fire detection system 22
- Fire alarm panel 23
- Fire alarm indicators 23
- Emergency egress 24
- Site electrical system 25
- Power safety 25
- Capacities 26
- Power feeders 27
- Electrical panel labels 27
- Panel schedules 29
- Wire color code 29
- Electrical busways 30
- Drop boxes 32
- Rack power 32
- Lighting 33
- Environmental control system 34
- Components of the ECS 35
- Satellite control boxes 35
- Top view shown 37
- Configuring the ECS 38
- • Add the PLC to a network 40
- Locating the ECS IP address 41
- Password protected 42
- Navigating the ECS interface 42
- Top screen 43
- AD detail screen 45
- Charts screen 47
- Psychrometric chart 48
- Readings chart 48
- Electrical Cabinets screen 49
- Controls Network screen 50
- Alarms screen 51
- Stats screen 52
- Configure 54
- HMI settings 55
- Managing the ECS system 56
- Setting the offset alarm 57
- Setting the IP address 57
- Forcing an alarm 57
- Adiabatic units 60
- AHU system 61
- AHU theory of operation 62
- AHU system 63 63
- AHU system 64 64
- Static pressure control 65
- Networking 66
- Connection portals 66
- Demarcation box 67
- Fire box 68
- Adding a phone 68
- Standard components 70
- Optional components 71
- Specifications 72
- Environmental specifications 73
- Maintenance 74
- Item Component Description 75
- Supply header gravity drain 76
- Supply header blowdown 78
- Power up procedure 79
- Standard power up procedure 81
- ECS and EPO 82
- Cold weather operation 82
- Power down procedure 83
- Contacting HP 84
- Safety and NEC compliance 85
- Warranty information 86
- Glossary 87
- Glossary 88 88
- Glossary 89 89
- Documentation feedback 90
- Index 91 91
- Index 92 92
- Index 93 93
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