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Johnson Controls YORK YMC2 User Manual

Johnson Controls YORK YMC2
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Power panel screen
Figure 20: Power panel screen
This screen displays information pertaining to the power panel, which includes the uninterruptable
power supply (UPS) and storage battery for essential loads necessary for shutdown during a line
power loss.
Table 32: Display only fields
Field/LED name Description
Control Voltage (LED)
Indicates the OptiView control voltage digital input voltage is present,
indicating line power is available.
Power Loss Time
Indicates the time in seconds while the OptiView control voltage digital
input is low, indicating time without line power for the present outage.
Motor Speed Indicates the motor speed as reported from the MBC.
UPS Line / Charging
(LED)
Indicates the UPS is in charging mode, using line power to supply loads
and any necessary current to the power storage battery.
UPS Inverter (LED) Indicates the UPS is providing power from the storage battery.
UPS Fault (LED) Indicates the UPS has faulted.
UPS Battery V+ (LED) Indicates the UPS senses battery present.
UPS Battery Voltage Indicates the UPS battery voltage from available to the UPS input.
UPS Inverter Enable
(LED)
Indicates the presence of the signal from OptiView to the UPS permitting
the UPS to supply power from the battery as needed upon loss of line
power.
YMC
2
Mod B with OptiView
Control Center
58

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Johnson Controls YORK YMC2 Specifications

General IconGeneral
BrandJohnson Controls
ModelYORK YMC2
CategoryChiller
LanguageEnglish

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