HP 240A User Manual download pdf (Page 83)

Maintenance 83

Power down procedure

Full power down procedure

This procedure completely powers down the HP POD 240e NA and is intended for personnel safety during

the full power down of the POD.

WARNING: To avoid risk of personal injury or loss of life, POD electrical cabinets should be

closed at all times.

To power down the HP POD 240e NA:

1. Power down all IT equipment in IT sections A and B.

2. Open all POD power drop box breakers in the hot aisle.

3. Open all Adiabatic unit service disconnects in the service aisle.

4. Open the site critical IT feeder supply breakers.

5. Open the site Adiabatic feeder supply breakers.

The HP POD 240e NA is now fully powered down.

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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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HP 240A User Manual Page 83

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