Heat Pump Application Data Sheet Figure 1. Heat Pump Features • LONMARK compliant with Space Comfort Controller Functional Profile (8503), enabling information sharing with LONMARK products from other vendors.
Sequence of Operation Occupied Control Fan The fan can be configured to operate continuously in occupied mode, or only when necessary to operate the compressors, auxiliary heat, or outside air damper. An optional fan status input can be used to ensure fan operation before allowing other equipment to operate.
Auxiliary/Perimeter Heat Optional auxiliary and perimeter heat can be configured to supply heating in addition to the compressor. In heating mode, auxiliary and perimeter heat operate according to room load. Safety Shutdown Low Temperature A low temperature condition can be detected through a digital input or when the mixed temperature drops below a configurable limit. The OA damper closes and the fan shuts off.
2). If the button is subsequently pressed again prior to the expiration of the Bypass time, the timer will reset to the initial value and resume counting down. Priorities of Occupancy Control Occupancy overrides are prioritized as follows (listed from highest to lowest): • Wall Switch Input – Typically a physically operated switch used by occupants of room. • Operator Command – A valid occupied command sent from system operator.
Lighting Control The Predator controller can selectively operate with maintained contacts or pulsed contacts to switch lighting control relays. This is useful in those instances where lighting control is desired and a lighting control panel with a LonTalk interface is either not present or not feasible. Spare I/O One spare digital input and one spare temperature input are available to monitor miscellaneous inputs.
Hardware Map – Heat Pump Termination Set Parameter Set Element Name I/O Type Factory I/O Setting StatTemp StatSetpt StatOvrd In1 In2 In3 In4 In5 In6 OutA1 OutA2 OutA3 OutD1 OutD2 OutD3 OutD4 OutD5 OutD6 OutD7 OutD8 statTemp statSetpt statOvrd in1 in2 in3 in4 in5 in6 outA1 outA2 outA3 outD1 outD2 outD3 outD4 outD5 outD6 outD7 outD8 TEMP TEMP DI DI, TEMP DI, TEMP DI, PCT, TEMP DI, PCT, TEMP DI, PCT, TEMP DI, PCT, TEMP AO AO AO DO, FLT_MTR DO, FLT_MTR DO, FLT_MTR DO, FLT_MTR DO, FLT_MTR DO, FLT_MTR DO, F
Wiring Diagram Outside air damper* Perimeter heat violet red orange Source Temp 100K thermistor* Outside Air Temp 100K thermistor Y1 (CW) G (SP) Y2 (CCW) Aux Heat floating Valve Terminal Fan (core) Discharge Temp Comp Stage 1 (core)^ Comp Stage 2 (core) Optional Occ Sensor Comp Stage 3 (core) Low Temp Detect Reversing Relay Fan Status * All inputs can be used for the suggestions above or changed to any of the following: - Entering source temperature - Leaving source temperature - Condensate over
Bill of Materials Tag A B Description Predator Heat Pump 4IN, 6DO, 1RTS Predator Reduced Point Wiring Base Predator Heat Pump 6IN, 8DO, 3AO, 1RTS Predator Full Point Wiring Base Predator Room Sensors: Sensing Only Override Setpoint Temperature Display Setpoint and Override Override and Temperature Display Setpoint and Temperature Display Setpoint, Override, and Temperature Display C D Not shown E F G H Page 8 of 11 Product # 587-240 587-170 588-250 587-175 587-180 587-181 587-182 587-183 587-184
Configuration Tables The application configuration tables below are typical for a Heat Pump controller.
App Component Configuration Parameter Element dxFanOffDly Fan Control fanMinOn fanOcc fanStatusEn fanStby fanWrmup hCoilFanRq percentOn percentOff htgFanDelay Terminal DX Heating dXClgLockout enable and Cooling with disable Reversing Relay dXFanOffDly dXMinOffTime dXMinOnTime dXStageDelay numDXStages revRelayEn trmClgCoil enable dmdAtMin dmdAtMax trmHtgCoil enable dmdAtMin dmdAtMax Auxiliary Heat auxHtgCoil enable dmdAtMin dmdAtMax auxHtgMtr travelTime reverse auxLockout enable disable hStageCyc Lighting C
Control Mode Interaction Table Notice: Information in this document is based on specifications believed correct at the time of publication. The right is reserved to make changes as design improvements are introduced. Credits: Staefa Control System, Raptor, Predator, and TALON are trademarks of Siemens Building Technologies, Inc. Niagara Framework is a registered trademark of Tridium, Inc. Other products and company names herein may be the trademarks of their respective owners.
