Functional Control ESIE10-01
2–28 Part 2 – Functional Description
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2.2.4 Unit Status
The displayed unit status is determined by the conditions in the following table:
Enum Status Conditions
0 Auto Unit State = Auto
1 Off:Ice Mode Timer Unit State = Off, Unit Mode = Ice, and Ice Delay = Active
2 Off:OAT Lockout Unit State = Off and Low OAT Lockout is active
3 Off:All Cir Disabled Unit State = Off and all compressors unavailable
4 Off:Emergency Stop Unit State = Off and Emergency Stop Input is open
5 Off:Unit Alarm Unit State = Off and Unit Alarm active
6 Off:Keypad Disable Unit State = Off and Unit Enable Set Point = Disable
7 Off:Remote Switch Unit State = Off and Remote Switch is open
8 Off:BMS Disable Unit State = Off, Control Source = Network, and BMS Enable =
false
9 Off:Unit Switch Unit State = Off and Unit Switch = Disable
10 Off:Test Mode Unit State = Off and Unit Mode = Test
11 Auto:Noise Reduction Unit State = Auto and Noise Reduction is active
12 Auto:Wait for load Unit State = Auto, no circuits running, and LWT is less than the
active set point + startup delta
13 Auto:Evap Recirc Unit State = Auto and Evaporator State = Start
14 Auto:Wait for flow Unit State = Auto, Evaporator State = Start, and Flow Switch is
open
15 Auto:Pumpdown Unit State = Pumpdown
16 Auto:Max Pulldown Unit State = Auto, max pulldown rate has been met or
exceeded
17 Auto:Unit Cap Limit Unit State = Auto, unit capacity limit has been met or exceeded
18 Auto:Current Limit Unit State = Auto, unit current limit has been met or exceeded
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