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McQuay IM 743 User Manual

McQuay IM 743
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OM 780-2 Page 135
N
Neuron ID, 23, 24
Next-OFF Active Capacity, 101
Next-OFF Chiller, 101
Next-ON Chiller, 101
no chilled water flow alarm, 112
Number of Chillers Running, 101
O
Off, 98
On, 99
Operator System Setpoint, 49
Optimal Start, 87
outdoor air temp sensor fail alarm, 113
Outdoor Air Temp Source, 33, 114
outdoor air temperature reset, 53
Override Time, 81
P
Password, 14, 16, 18, 20, 21, 92
ping, 119, 123
primary-only, 37
primary-secondary, 39, 42, 69, 80, 117
priority, 19, 29, 32, 33, 80, 81, 85, 86, 99, 100
property input, 20, 29
Protocol, 31
Pump Control Option, 67
Pump Resequence, 67
Pump Runtime Reset, 67
Pump Stage Differential, 69
Pump Status Check Delay Time, 67
R
Rapid Restart Time, 32
Receive Heartbeat, 25, 26
Recirculate, 37, 73, 87, 89, 90, 98, 99
refrigerant pressures, 106
Remote I/O, 7, 22, 24, 29, 61
reset override, 53
Reset Type, 49
return chilled water temperature sensor fail alarm, 114
return water reset, 53
run time, 34, 35, 36, 67, 72, 106, 107
S
Saturated Refrigerant Temperatures, 106
schedule editor, 82
secondary pumps, 24
Security Administrator, 20, 21
Sequence Number, 34
Serial Port, 118
series-piped, 25, 42, 43, 44
Service Pin, 23, 24
Setpoint Reset, 52, 59, 114, 115
Soft Load, 31, 130
soft loading, 48, 107
Source, 31, 130
Spare Capacity, 101
Spare Capacity Factor, 37
Stage-Down Control, 38, 39, 76, 78
Stage-Up Control, 38, 76, 78
Stage-Up Inhibit, 44, 101
Staging Mode, 34
standby chiller, 34, 42
Start Delta, 31, 37, 130
Start-Up Control, 37
subnet mask, 12, 15, 90, 119, 120, 121
supply chilled water temperature sensor fail alarm, 114
System Administrator, 20, 21, 29
T
Tower Stage Differential, 57
Tower Stage Table, 60
Tower Stage-Down Delay Time, 57, 61
Tower Stage-Up Delay Time, 57, 61
Tower Staging, 61
Tower Valve Control, 57
Tower Valve Setpoint, 57
Tower Valve Start-Up, 65
Tower VFD Control, 57, 60
U
Unavailable, 41, 42
Units, 29
user name, 14, 16, 18, 20, 21

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McQuay IM 743 Specifications

General IconGeneral
BrandMcQuay
ModelIM 743
CategoryController
LanguageEnglish

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