Name: Johnson Controls York YKEP Series
Brand: Johnson Controls
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FORM 160.77-O2

ISSUE DATE: 11/15/2011

SECTION 3 - YKEP CONTROL PANEL OPERATION

JOHNSON CONTROLS

Secondary High Pressure Switch

Displays a green  if the Economizer High Pressure

Switch contacts are closed, and displays a  if the Sec-

ondary High Pressure Switch contacts are open (Econ-

omizer Compressor High Discharge Pressure Cutout

PSHH-113B).

PROGRAMMABLE

None

NAVIGATION

Returns the display to the previous screen.

Subcooler

Causes an instant navigation to the Subcooler Screen.

Economizer Vessel

Causes an instant navigation to the Economizer Vessel

Screen.

Hot Gas

Causes an instant navigation to the Hot Gas Screen.

Alarm History

Causes an instant navigation to view the Alarm History

Screen.

Table of Contents5
Section 1 - Ykep Chiller Overview7
FIGURE 1 - YKEP System Component Identification7
FIGURE 2 - YKEP Chiller System Diagram8
FIGURE 3 - YKEP Chiller Operation Sequence Timing Diagram9
FIGURE 4 - YKEP Chiller Oil Management System11
FIGURE 5 - Capacity Control Model13
FIGURE 6 - System Anti-Surge Map15
Section 2 - Ykep Control Center Introduction17
FIGURE 7 - Logic Controller17
FIGURE 8 - Control Panel17
TABLE 1 - YKEP Control System Sensors18
FIGURE 9 - YKEP Control System Sensors19
Section 3 - Ykep Control Panel Operation21
- FIGURE 10 - Red Lion Touch-Screen Display21
- FIGURE 11 - Security Manager22
- FIGURE 12 - Username22
- FIGURE 13 - Password22
- FIGURE 14 - Setpoint Program Dialog Box23
- FIGURE 15 - Menu Screen23
- FIGURE 16 - Navigation24
- FIGURE 17 - Home Screen25
- Home Screen25
- FIGURE 18 - System Screen28
- System Screen28
- FIGURE 19 - Manual / Auto Stations Screen32
- Manual / Auto Stations Screen32
- FIGURE 20 - Subcooler Screen34
- Subcooler Screen34
- Economizer Screen36
- FIGURE 21 - Economizer Screen36
- Evaporator Screen38
- FIGURE 22 - Evaporator Screen38
- FIGURE 23 - Hot Gas Screen40
- Hot Gas Screen40
- Condenser Screen42
- FIGURE 24 - Condenser Screen42
- FIGURE 25 - Primary Compressor Screen44
- Primary Compressor Screen44
- FIGURE 26 - Primary Proximity Calibration Screen48
- Primary Proximitor Calibration Screen48
- FIGURE 27 - Prv Calibration Screen50
- PRV Calibration Screen50
- FIGURE 28 - Oil Sump Screen52
- Oil Sump Screen52
- FIGURE 29 - Primary Variable Geometry Diffuser Screen54
- Primary Variable Geometry Diffuser Screen54
- FIGURE 30 - Primary Motor Screen (EM Starter)56
- Primary Motor Screen (EM Starter)56
- FIGURE 31 - Primary Motor Screen (MV SSS)58
- Primary Motor Screen (MV SSS)58
- FIGURE 32 - Primary Motor Screen (MV VSD)60
- Primary Motor Screen (MV VSD)60
- Capacity Controls Screen with Hot Gas (Fixed Speed)62
- FIGURE 33 - Capacity Controls Screen (Fixed Speed with Hot Gas)62
- Capacity Controls Screen Without Hot Gas (Fixed Speed)64
- FIGURE 34 - Capacity Controls Screen (Fixed Speed Without Hot Gas)64
- Capacity Controls Screen (Speed Option)66
- FIGURE 35 - Capacity Controls Screen (Speed Option)66
- Capacity Controls Screen (Vane Anti-Surge)68
- FIGURE 36 - Capacity Controls Screen (Vane Anti-Surge)68
- FIGURE 37 - Primary Capacity Tuning Screen70
- Primary Capacity Tuning Screen70
- FIGURE 38 - Primary Anti-Surge Screen72
- Primary Anti-Surge Screen72
- Capacity Limits Screen74
- FIGURE 39 - Capacity Limits Screen74
- Economizer Compressor Screen76
- FIGURE 40 - Economizer Compressor Screen76
- Economizer Motor LCSSS Screen78
- FIGURE 41 - Economizer Motor LCSSS Screen78
- Economizer Capacity Screen80
- FIGURE 42 - Economizer Capacity Screen80
- FIGURE 43 - Setpoints Screen82
- Setpoints Screen82
- Factory Setup Screen84
- FIGURE 44 - Factory Setup Screen84
- Comms Screen86
- FIGURE 45 - Comms Screen86
- Alarm History Screen88
- FIGURE 46 - Alarm History Screen88
- Active Alarms Screen89
- FIGURE 47 - Active Alarms Screen89
- FIGURE 48 - Trip Status Screen90
- Trip Status Screen90
- FIGURE 49 - Trending Screen91
- Trending Screen91
- TABLE 2 - Trend Pen Assignments92
Section 4 - Modbus Rtu Slot List93
TABLE 3 - Modbus RTU Slot List93
Section 5 - Display Messages109
TABLE 4 - Status Line Messages and Colors109
FIGURE 50 - System Status / System Details109
TABLE 5 - LCSSS High Supply Line Voltage Thresholds118
TABLE 6 - LCSSS Low Supply Line Voltage Thresholds118
TABLE 7 - Over-Current Trip123

Johnson Controls York YKEP Series User Manual

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Johnson Controls York YKEP Series Specifications

Related product manuals

Brand	Johnson Controls
Model	York YKEP Series
Category	Chiller
Language	English