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Controller, Sensors & Related Hardware

Components

GPC-XP Controller

OE338-23-GPCXP

The OE338-23-GPCXP Controller is used for controlling equipment or processes that cannot be controlled us-

ing a standard HVAC controller. The Prism 2 computer front end software is required to interface with the GPC-

XP controller functions. The GPC-XP Controller provides the flexibility to control, schedule and/or monitor equip

-

ment such as unit heaters, exhaust fans, motorized louvers, boilers, pumps and other mechanical equipment.

• 8 configurable analog inputs
• All analog inputs accept 10 K ohm thermistor sensors, 4-20 mA, 0-5 VDC or 0-10 VDC signals and

are set by means of jumpers on the controller

• Create custom formulas for analog inputs
• Highest/lowest/average of the analog inputs. Can be used in the internal logic or can be broadcast to

other controllers on the system

•  8 wet 24 VAC binary contacts which can be configured for N.O. or N.C. operation
•  8 configurable N.O. or N.C. relay outputs for On/Off control of equipment
•  4 analog outputs with proportional control signals. All selectable for 0-10 VDC output
•  8 separate 2 event per day time schedules which can be used for operational control or alarm

recognition based on time of day

• Lead/lag start capabilities.

Duct Temperature Sensor - 6” Probe

OE230

Used for return or supply air water sensing applications. 10k Ohm Duct Temperature Sensor, 2 wire. Used with

OE291 immersion well listed below

Immersion Well for OE230 Water Temperature Sensor

OE366

Includes: Stainless steel thermowell to be used with the OE230 Temperature Sensor listed above. The ther-

mowell is designed to thread into a ½″ FPT elbow or tee in the water piping system.

Strap-on Temperature Sensor Kit

OE233

10k Ohm Type 3, Strap-on Temperature Sensor, 2 wire. Used for water temperature sensing on outside of pipe.

Includes sensor, thermal mastic, and plastic mounting strap.

Outdoor Air Temperature Sensor

OE250

Used for temperature sensing applications. 10k Ohm Outside Air Temperature Sensor, 2 wire, mounted in a

weatherproof handy box only.

Outdoor Air Mounted RH Sensor 3% - 0-5 VDC Output

OE265-13

Used for outdoor air humidity sensing applications.

Water Differential Pressure Transducer

OE262

Includes: 0-5 VDC Differential Pressure Transducer and mounting bracket. The water pressure transducer

is used with the WSHP Loop Controller to detect water flow differential pressure in the system water loop.

Required when a VFD pump is used..

Water Differential Pressure Switch

OE261

Includes Differential Pressure Switch only. This SPDT switch is used with the WSHP Loop Controller to detect

flow in the system water loop.

8

WSHP Loop Controller

GPC-XP Guide

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Содержание Auto-Zone 2 GPC-XP

Страница 1: ...WSHP Loop Control Using The GPC XP Controller Application Guide www az2controls com ...

Страница 2: ... Power Supply 10 Communication Baud Rate Settings Wiring Info 11 Input Wiring 12 Output Wiring 13 Configuring The Controller 14 General 14 Status Screen 14 Analog Input 1 15 Analog Input 2 17 Analog Input 3 17 Analog Input 4 17 Analog Input 5 19 Analog Input 6 19 Analog Input 7 19 Analog Input 8 19 Binary Input 1 21 Binary Input 2 21 Binary Input 3 21 Binary Input 4 23 Binary Input 5 23 Binary Inp...

Страница 3: ...oints are fully adjustable and can be set according to your systems requirements When a lower water temperature is required in the loop water is above the design loop water temperature the cooling bypass valve is de energized and the cooling tower is enabled by the controller to bring on a cooling tower fan and tower spray pump to cool the water to the required temperature The heat rejection setpo...

Страница 4: ... a heating cooling coil a compressor a fan a reversing valve and controls During the cooling mode the tube in tube heat exchanger functions as a condenser and the coil as an evaporator In heating mode the tube in tube heat exchanger functions as an evaporator and the coil as a condenser A reversing valve is installed in the refrigerant circuit permitting changeover from heating to cooling and vice...

Страница 5: ... and sizes as thermal zones or zone occupancy change This system is often installed in ceiling plenums which frees up valuable floor space Another valuable benefit of water source heat pumps is that they can accommodate simultaneous calls from zones requiring heating or cooling Depending on the climate outside air may require preheat or cooling prior to being introduced to the unit In the example ...

Страница 6: ...urn Water Temperature to determine the need for Heating or Cooling of the loop water Pump On Off Control When a Request to Run is received the GPC XP Loop Controller activates the System Pump to initiate water flow to the heat pumps and other devices on the loop The pumps can either be constant flow or controlled by a VFD see Pump VFD Control If controlled by a VFD a water pressure transducer must...

Страница 7: ...ulating signal to the cooling tower fan if equipped with a VFD to provide an increase or decrease using a direct acting floating point control of the output signal for modulating the cooling tower fan VFD Heat Addition Staged Heating The GPC XP Loop Controller monitors the loop water temperature to determine if the loop water needs to be heated If the loop water tem perature falls below a user def...

Страница 8: ...ead lag start capabilities Duct Temperature Sensor 6 Probe OE230 Used for return or supply air water sensing applications 10k Ohm Duct Temperature Sensor 2 wire Used with OE291 immersion well listed below Immersion Well for OE230 Water Temperature Sensor OE366 Includes Stainless steel thermowell to be used with the OE230 Temperature Sensor listed above The ther mowell is designed to thread into a ...

Страница 9: ...s system from any computer connected to your building s LAN It can also be configured to allow access to the control system from the Internet through your LAN if your Ethernet firewall is configured for this option Includes IP Link module 10 ft long Ethernet cable and installation instructions MiniLink 5 OE364 23 AZ2 Used with all AZ 2 Controllers to provide network communications zone voting alar...

Страница 10: ...switches When using Prism 2 to program and configure the GPC XP Controller you would enter this address to communicate with the controller When the system is to be connected to other HVAC unit controllers on a communication loop each controller s address switch must be set with a unique address between 1 and 59 Settings Important Wiring Considerations Please read carefully and apply the following ...

Страница 11: ... The Address Switch Settings In Order For Any Changes To Take Effect Caution Disconnect All Communication Loop Wiring From The Controller Before Removing Power From The Controller Reconnect Power And Then Reconnect Communication Loop Wiring Address 1 9600 Baud ADD A D D A D D The Address For Each Controller Must Be Unique To The Other Controllers On The Local Loop And Be Between 1 and 59 COM FROM ...

Страница 12: ...Figure 6 Typical Water Source Heat Pump Loop Controller Input Wiring using GPC XP Input Wiring Wiring 12 WSHP Loop Controller GPC XP Guide ...

Страница 13: ...Figure 7 Typical Water Source Heat Pump Loop Controller Output Wiring using GPC XP Output Wiring Wiring 13 WSHP Loop Controller GPC XP Guide ...

Страница 14: ...nicating this box will contain the current value of the input you have entered Double click the data box next to the Outdoor Air Temperature description to open the configuration and setpoint screen for AIN1 General Using the GPC XP as a Water Source Heat Pump Loop Controller requires that it be configured for your application The information that follows will show you how to configure a GPC XPcon...

Страница 15: ...ing will be shown in degrees Fahrenheit on the status screen You may also set this to Celsius if desired Figure 10 AIN1 Sensor Screen 1 2 3 4 5 Item 3 indicates the Sensor Scaling has been configured to 10 which will show tenths of a degree on the screen So at a 74 51 degrees actual temperature signal from the sensor the screen would show 74 5 degrees If the scaling factor is set to 1 the screen w...

Страница 16: ...Configuring The Controller Configuration Figure 11 AIN2 Sensor Screen 1 2 3 Figure 12 AIN3 Sensor Screen 1 2 3 16 WSHP Loop Controller GPC XP Guide ...

Страница 17: ...his is the input configuration screen used for the Differential Pressure Sensor Loop Pressure when used It is located on Analog Input 4 AIN4 Either a Differential Pressure Sensor or a Differential Pressure Switch is required for the Loop Controller operation If a Differential Pressure Switch is used instead it is wired to the Binary Input 2 BIN2 which is described under the Binary Input 2 informat...

Страница 18: ...Configuring The Controller Configuration Figure 14 AIN5 Sensor Screen 1 2 3 Figure 15 AIN6 Sensor Screen 1 2 3 4 18 WSHP Loop Controller GPC XP Guide ...

Страница 19: ...ous configuration of the Supply Water Temperature sensor Analog Input 8 Analog Input 8 AIN8 is not configured in this typical Central Plant Controller configuration but could be used for any other sensor applica tion your project may need Analog Input 6 In this example this is the input configuration screen for the Outdoor Air Humidity sensor OAS Humidity when used located on Analog Input 6 AIN6 I...

Страница 20: ...Configuring The Controller Configuration Figure 17 BIN1 Input Screen 1 Figure 18 BIN2 Input Screen 1 20 WSHP Loop Controller GPC XP Guide ...

Страница 21: ...onfiguration screen for System POF on Binary Input 2 BIN2 Item 1 in Figure 18 indicates the System Proof Of Flow input is configured for a normally open contact In this configuration it indicates the system pump is running and producing water flow when this contact is activated This could be from a water flow switch or a current switch on the system pump motor Binary Input 3 IIn this example this ...

Страница 22: ...Configuration Configuring The Controller Figure 20 BIN4 Input Screen 1 Figure 21 BIN5 Input Screen 1 22 WSHP Loop Controller GPC XP Guide ...

Страница 23: ...ut 5 In this example this is the input configuration screen for BoilerAlarm on Binary Input 5 BIN5 Item 1 in Figure 21 indicates the Boiler Alarm binary input is configured for a normally open contact In this configuration an alarm contact from the boiler protection control by others would close to activate this alarm contact In this case it is shown as a normally open contact Binary Input 6 In Fi...

Страница 24: ...Configuring The Controller Configuration Figure 23 BIN7 Input Screen 1 Figure 24 BIN8 Input Screen 1 24 WSHP Loop Controller GPC XP Guide ...

Страница 25: ...will be activated It also has a Enabling Relay of Request To Run as shown in Item 3 The Request To Run relay output is configured on Relay 7 Item 4 is the Changeover Interval for the Lead Lag Pump sequence In this example it has been configured to switch from System Pump 1 Lead to System Pump 2 Lag after 80 hours of runtime on System Pump 1 Item 5 is the Proof Failure Time Out Delay This is set fo...

Страница 26: ...Configuration Configuring The Controller Figure 26 Relay Output 2 Screen 1 Figure 27 Relay Output 3 Screen 1 2 4 5 6 3 26 WSHP Loop Controller GPC XP Guide ...

Страница 27: ...ource for this relay will be the Tower Return Water Temperature TW Return Water on AIN2 Item 3 indicates that the Hi Limit Setpoint will be 77 0 F and the Lo Limit Setpoint will be 75 0 F Item 4 Shows the Enabling Relay to be the System Active Relay output configured on Relay 8 This means that in addition to the Tower Return Water Temperature being above setpoint the System Active relay must be ac...

Страница 28: ...Configuration Configuring The Controller Figure 28 Relay Output 4 Screen 1 6 2 3 4 5 Figure 29 Relay Output 5 Screen 1 6 2 3 4 5 28 WSHP Loop Controller GPC XP Guide ...

Страница 29: ...quest To Run BIN1 binary input is inactive the TW Fan Relay 4 will deactivate Relay Output 5 In this example Relay Output 5 is configured for the Cool Bypass Valve output In Figure 29 Item 1 it indicates it has a Main Control Method of On Above Off Below This means it will use a setpoint that will activate the Relay Output at a Hi Limit Setpoint and deactivate it at a Lo Limit Setpoint Item 2 indi...

Страница 30: ...Configuration Configuring The Controller Figure 30 Relay Output 6 Screen 1 6 2 3 4 5 Figure 31 Relay Output 7 Screen 1 2 3 30 WSHP Loop Controller GPC XP Guide ...

Страница 31: ...ow This means it will use a setpoint that will activate the Relay Output at a Hi Limit Setpoint and deactivate it at a Lo Limit Setpoint Item 2 indicates the Control Source for this relay will be the Tower Return Water Temperature TW Return Water on AIN2 Item 3 indicates that the Hi Limit Setpoint will be 73 0 F and the Lo Limit Setpoint will be 71 0 F Item 4 Shows the Enabling Relay to be the Sys...

Страница 32: ...Configuration Configuring The Controller Figure 32 Relay Output 8 Screen 1 2 3 Figure 33 Analog Output 1 Screen 1 2 3 5 4 6 32 WSHP Loop Controller GPC XP Guide ...

Страница 33: ...t is active When the TW Return temperature AIN2 is between 85 0 F and 79 0 F and the TW Spray Pump Relay 3 output is active the TW Fan VFD will maintain its speed at a constant level The Tower Fan VFD will modulate its speed towards 0 0 0 VDC when the TW Return temperature AIN2 is 3 0 F below the 82 0 F setpoint 79 0 F and the TW Spray Pump Relay 3 output is active If the Tower Spray Pump Relay 3 ...

Страница 34: ...Configuration Configuring The Controller Figure 35 Analog Output 3 Screen 1 2 3 6 4 7 5 Figure 34 Analog Output 2 Screen 1 2 3 5 4 6 34 WSHP Loop Controller GPC XP Guide ...

Страница 35: ...hen the Loop Pressure P S I AIN4 is 3 0 P S I below the 33 0 P S I setpoint 30 P S I and the System Active Relay 8 output is active Analog Output 3 In this example Analog Output 3 is configured for the Mod Cooling output In Figure 35 Item 1 it indicates it has a Control Type of Direct Acting Floating Point Item 2 indicates the Control Source for this relay will be the Tower Re turn Water Temperatu...

Страница 36: ...tion to the previous re quirements BIN2 must also be active for Mod Heating to modulate Item 6 indicates it has Output Limits of Max Voltage 10 0 VDC Min Voltage 2 0 VDC Item 7 shows that its calculation settings are Calculation Interval Controls Speed 3 0 Sec Proportional Control Window 1 0 F With this configuration sequence the Mod Heating will modulate towards 100 10 VDC when the TW Water tempe...

Страница 37: ... selection will also allow that Alarm to send out an email notification if your system is set up for that function See the Prism 2 Technical Guide for instructions on setting up email alarm notifications Due to the quantity of Inputs and Outputs on the GPC XP alarms have been grouped into Sensor Input High Low Alarm Indication and Relay Run Time Alarm Indication The remaining 3 alarm indicators ap...

Страница 38: ... 20 mA or Thermistor Type III They are user configurable via computer with Prism software installed to read in Farhenheit or Celsius configured to read a wall mounted sensor with slide offset a communicating E BUS temperature sensor a communicating E BUS CO2 sensor a communicating E BUS humidity sensor or a global analog signal broadcast from another controller www az2controls com GPC XP Controlle...

Страница 39: ...ontrol direct acting P I D control and reverse acting P I D control Notes www az2controls com GPC XP Controller Configuration Worksheet Project Name _________________________________________________________________________________ WattMaster Controls Inc Phone 816 505 1100 8500 NW River Park Drive Fax 816 505 1101 Parkville Mo 64152 Toll Free 866 918 1100 System Pump 1 Lead System Pump For Lead La...

Страница 40: ... AZ2 WSLC AGD 01B Printed in the USA July 2017 All rights reserved Copyright 2017 WattMaster Controls Inc 8500 NW River Park Drive Parkville MO 64152 Phone 816 505 1100 www az2controls com Fax 816 505 1101 ...

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