York YVAA - Page 143

SECTION 8 - MICROPANEL
JOHNSON CONTROLS
143
Form 201.47-ICOM1
Issue date: 17/11/2022
8
Unit setup mode
setting
Mode to change Minimum Maximum Default
Minimum Running
Speed
Any 50 Hz 100 Hz 50 Hz
Quick Start VSD Start
Frequency
Any 50 Hz 100 Hz 100 Hz
Sys 1 Motor Sensor To
Ignore
Any None
Temp sensor T1
Temp sensor T2
Temp sensor T3
None
Sys 2 Motor Sensor To
Ignore
Any None
Temp sensor T1
Temp sensor T2
Temp sensor T3
None
Sys 1 VI Di󰀨erential
Temp Setpoint
Any 30.0 °F (16.7 °C) 90.0 °F (50.0 °C) 73.0 °F (40.6 °C)
Sys 2 VI Di󰀨erential
Temp Setpoint
Any 30.0 °F (16.7 °C) 90.0 °F (50.0 °C) 73.0 °F (40.6 °C)
VI Deadband Any 2.0 °F (1.1 °C) 10.0 °F (5.5 °C) 4.0 °F (2.2 °C)
VI Di󰀨erential Temp
Setpoint O󰀨set
Any 2.0 °F (1.1 °C) 40.0 °F (22.2 °C) 20.0 °F (11.1 °C)
Sys 1 Maximum Fan
Speed
Any 50 % 100 % 100 %
Sys 2 Maximum Fan
Speed
Any 50 % 100 % 100 %
Sys 1 Min Discharge
Suction Di󰀨
Any 25 psid
(1.72 bard)
300 psid
(20.69 bard)
85 psid
(5.86 bard)
Sys 2 Min Discharge
Suction Di󰀨
Any 25 psid
(1.72 bard)
300 psid
(20.69 bard)
85 psid
(5.86 bard)
Free Cooling Control Unit Switch is O󰀨 Choices:
Disabled
Open loop
Closed loop
Disabled (must be set
to disabled for correct
YVAA operation)
Remote Evaporator
Free Cooling is
Disabled
Disabled / Enabled Disabled
Optimized Enhanced
Fans
Disabled Disabled
Condenser Type Free Cooling is
disabled
Microchannel or round tube Microchannel
Sys 1 Evaporator Level
Control Setpoint
Any 20.0% 80.0% 50.0%
Sys 2 Evaporator Level
Control Setpoint
Any 20.0% 80.0% 50.0%
Evaporator Level
Control Valve Startup
Position
Any 5% 95% 30%
Evaporator Level Con-
trol Startup Delay
Any 0 min 10 min 3 min
Table 26 - Setup mode programmable values (cont'd)