Trace 3D Plus
User Guide
 
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Zone Equipment

 
Clicking the Zone Equipment button will expand the list of components available for the system type that is being created. Only available zone equipment will be populated in the zone equipment list.
Zone equipment is assigned directly to the zone. Zone equipment may include coils and fans. The configuration of coils and fans in zone equipment cannot be changed in the Systems library. These will need to be edited in the specific equipment libraries. Properties for the chosen library can be viewed by clicking the properties button at the bottom of the screen. 
 
Fan Coil Unit
The four pipe fan coil contains a cooling coil, heating coil, and fan.  See equipment library for more details. 
 
Library Type:  Equipment:  Zone Forced Air:  Fan Coil Unit
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
PTAC
The packaged terminal air conditioner contains a cooling coil, heating coil, and fan.  See equipment library for more details
 
Library Type:  Equipment:  Zone Forced Air:  Packaged Terminal Air Conditioner
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
Packaged Terminal HP
The packaged terminal heat pump contains a DX cooling coil, DX heating coil, fan, and supplemental heating coil configured as an air to air heat pump.  See equipment library for more details. 
 
Library Type:  Equipment:  Zone Forced Air:  Packaged Terminal HP
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
 
WSHP
The water to air heat pump contains a water to air cooling and heating coil, fan, and supplemental heating coil configured as a water to air heat pump.  See equipment library for more details 
 
Library Type:  Equipment:  Zone Forced Air:  Water Source Heat Pump
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
Unit Heater
The unit heater contains a heating coil and a fan.  See equipment library for more details 
 
Library Type:  Equipment:  Zone Forced Air:  Unit Heater
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
Four Pipe Unit Ventilator
The unit ventilator contains a cooling coil, heating coil, fan, and outdoor air mixer. The unit ventilator can use an economizer.  See equipment library for more details 
 
Library Type:  Equipment:  Zone Forced Air:  Four Pipe Unit Ventilator
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
 
Unit Ventilator (Heating Only)
The heating only unit ventilator contains a heating coil, fan, and outdoor air mixer.  The unit ventilator can use an economizer.  See equipment library for more details 
 
Library Type:  Equipment:  Zone Forced Air:  Unit Ventilator (Heating Only)
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
Unit Ventilator (Cooling Only)
The cooling only unit ventilator contains a cooling coil, fan, and outdoor air mixer.  The unit ventilator can use an economizer.  See equipment library for more details. 
 
Library Type:  Equipment:  Zone Forced Air:  Unit Ventilator (Cooling Only)
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
Energy Recovery Ventilator
The energy recovery ventilator is used to recover energy between the supply or outside air and the exhaust air.  It consists of an air to air heat exchanger, supply fan, and exhaust fan.  See equipment library for more details. 
 
Library Type:  Equipment:  Zone Forced Air:  Energy Recovery Ventilator
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
Radiant Heat
The radiant heat zone equipment models radiant and convective heat transfer from a baseboard heater.  See equipment library for more details. 
 
Library Type:  Equipment:  Zone Radiant and Convective:  Water Radiant Heat
Equipment:  Zone Radiant and Convective:  Steam Radiant Heat
Equipment:  Zone Radiant and Convective:  Electric Radiant Heat
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
Wall Convector
The wall convector equipment is used to condition any remain heating loads not met by the central conditioning system.  See equipment library for more details 
 
Library Type:  Equipment:  Zone Radiant and Convective:  Hot Water Baseboard Wall Convector
Equipment:  Zone Radiant and Convective:  Electric Baseboard Wall Convector
Equipment:  Zone Radiant and Convective:  Skin Baseboard Heating Wall Convector
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
Radiant Ceiling
The radiant ceiling provides radiant cooling or heating at the ceiling level in the space.  See equipment library for more details. 
 
Library Type:  Equipment:  Zone Radiant and Convective:  Low Temperature Radiant Variable Flow (Heating)
Equipment:  Zone Radiant and Convective:  Low Temperature Radiant Variable Flow (Cooling)
Equipment:  Zone Radiant and Convective:  Low Temperature Radiant Variable Flow
Equipment:  Zone Radiant and Convective:  Low Temperature Radiant Constant Flow (Heating)
Equipment:  Zone Radiant and Convective:  Low Temperature Radiant Constant Flow (Cooling)
Equipment:  Zone Radiant and Convective:  Low Temperature Radiant Constant Flow
Equipment:  Zone Radiant and Convective:  Low Temperature Radiant Electric
Equipment:  Zone Radiant and Convective:  High Temperature Radiant
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
 
Radiant Floor
The radiant floor provides radiant cooling or heating at the floor level in the space.  See equipment library for more details 
 
Library Type:  Equipment:  Zone Radiant and Convective:  Low Temperature Radiant Variable Flow (Heating)
Equipment:  Zone Radiant and Convective:  Low Temperature Radiant Variable Flow (Cooling)
Equipment:  Zone Radiant and Convective:  Low Temperature Radiant Variable Flow
Equipment:  Zone Radiant and Convective:  Low Temperature Radiant Constant Flow (Heating)
Equipment:  Zone Radiant and Convective:  Low Temperature Radiant Constant Flow (Cooling)
Equipment:  Zone Radiant and Convective:  Low Temperature Radiant Constant Flow
Equipment:  Zone Radiant and Convective:  Low Temperature Radiant Electric
Equipment:  Zone Radiant and Convective:  High Temperature Radiant
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
Dehumidifier DX
The DX dehumidifier contains a DX cooling coil and a fan used to condense moisture out of the air.  The compressor heat from the cooling coil is used to reheat the cooled, dehumidified air.  See equipment library for more details. 
 
Library Type:  Equipment:  Zone Forced Air:  Dehumidifier
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
Variable Refrigerant Flow
The variable refrigerant flow equipment models a DX indoor unit that is connected to an outdoor condensing unit.  The unit can operate in cooling, heating, or simultaneous cooling and heating.  This equipment is only available in the Variable Refrigerant Flow System pattern in the Variable Air Volume system category.  See equipment library for more details. 
 
Library Type:  Equipment:  Zone Forced Air:  Variable Refrigerant Flow (Heat Pump)
Equipment:  Zone Forced Air:  Variable Refrigerant Flow (Cooling)
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment. 
 
 
Window Air Conditioner
The window air conditioner contains a DX cooling coil, fan, and outdoor air mixer.  See equipment library for more details. 
 
Library Type:  Equipment:  Zone Forced Air:  Window Air Conditioner
 
Placement Rules:  Zone equipment is placed directly in the demand box so each zone will have a separate piece of zone equipment.