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WattMaster Controls, Inc.
8500 NW River Park Drive, Parkville, MO 64152
Toll Free Phone: 866-918-1100
PH: (816) 505-1100 · FAX: (816) 505-1101
E-mail: mail@wattmaster.com
GPC-XP Controller ............................................................................................................................................ 3
Overview ......................................................................................................................................................................................3
Features .......................................................................................................................................................................................3
Water Source Heat Pump System Operation .................................................................................................. 4
Water Source Heat Pump Unit .....................................................................................................................................................4
Water Source Heat Pump System ...............................................................................................................................................5
Operation Of The WSHP Loop Controller ........................................................................................................ 6
Overview ......................................................................................................................................................................................6
Typical Sequence .........................................................................................................................................................................6
Pump On/Off -Control ................................................................................................................................................................... 6
Pump VFD Control .......................................................................................................................................................................6
WSHP Unit Compressor Enable ..................................................................................................................................................7
Heat Rejection .............................................................................................................................................................................. 7
Heat Addition ................................................................................................................................................................................7
Emergency Shutdown ..................................................................................................................................................................7
Controller, Sensors & Related Hardware ........................................................................................................ 8
Optional Communication Devices and Software ............................................................................................ 9
Communication, Baud Rate Settings & Wiring Info ...................................................................................... 10
System Settings .........................................................................................................................................................................10
Important Wiring Considerations ................................................................................................................................................10
Environmental Requirements .....................................................................................................................................................10
Mounting.....................................................................................................................................................................................10
Power Supply .............................................................................................................................................................................10
Communication, Baud Rate Settings & Wiring Info ...................................................................................... 11
Input Wiring .................................................................................................................................................... 12
Output Wiring ................................................................................................................................................. 13
Conguring 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 Input #6 ...........................................................................................................................................................................23
Binary Input #7 ...........................................................................................................................................................................25
Binary Input #8 ...........................................................................................................................................................................25
Relay Output #1 .........................................................................................................................................................................25
Relay Output #2 .........................................................................................................................................................................27
Relay Output #3 .........................................................................................................................................................................27
Relay Output #4 .........................................................................................................................................................................29
Relay Output #5 .........................................................................................................................................................................29
Relay Output #6 .........................................................................................................................................................................31
Relay Output #7 .........................................................................................................................................................................31
Relay Output #8 .........................................................................................................................................................................33
Analog Output #1 .......................................................................................................................................................................33
Analog Output #2 .......................................................................................................................................................................35
Analog Output #3 .......................................................................................................................................................................35
Analog Output #4 .......................................................................................................................................................................36
Visit our web site at www.az2controls.com
Form: AZ2-WSLC-AGD-01B Copyright 2017 WattMaster Controls, Inc.
WattMaster Controls, Inc. assumes no responsibility for errors or omissions.
This document is subject to change without notice.
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