Trane ZN. LonWorks control Manual Download Page 1

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Installation - Operation -
Maintenance
and user guide

Trane ZN. LonWorks

control

for fan coil units and chilled water
cassettes (CWS)

CNT-SVX13B-E4

Summary of Contents for ZN. LonWorks control

Page 1: ...Installation Operation Maintenance and user guide Trane ZN LonWorks control for fan coil units and chilled water cassettes CWS CNT SVX13B E4...

Page 2: ...y Warranty is based on the general terms and conditions of the constructor The warranty is void if the equipment is modified or repaired without the written approval of the constructor if the operatin...

Page 3: ...unication 10 Zone sensor option 15 Zone sensor technical features 17 Default values 18 Data lists 19 Modulating valve package 20 Valve bodies 20 Installation Unit identification 23 Neuron identificati...

Page 4: ...evel of comfort The controller is factory installed and pre commissioned resulting in a highly integrated product reduced installation and commissioning time The following configurations are supported...

Page 5: ...resent are modulating in order to maintain the requested setpoint Occupied Standby or Economy only available in network BMS configuration Mode used to reduce the heating and cooling operation during t...

Page 6: ...e Table 1 describes the combination of communication requests the hardwire input and the ON occupied CANCEL unoccupied push buttons on the zone sensor upon the occupancy state of the control Setpoint...

Page 7: ...t s heating or cooling capacity 0 100 and drive the fan speed if auto and the valve position accordingly Sequence of operation Off Fan is off valves are closed Auto Fan speed control in the auto setti...

Page 8: ...Valve position 3 100 Open 4 Cooling 5 High 6 Medium 7 Fan speed 8 Low 9 Heating 10 Cooling valve Figure 2 Example 2 pipe cooling 2 pipe heating 2 pipe changeover 4 pipe operation Figure 3 Example 2 p...

Page 9: ...tion optional A 2 pipe changeover system that uses a two way control valve might not sense the correct entering water temperature during long periods when the control valve is closed This function per...

Page 10: ...l LonWorks guidelines LonMark layer 1 6 interoperability guidelines version 3 0 These documents and additional information are available on the Internet site www lonmark org Condensate overflow J2 3 J...

Page 11: ...e type of communication wire same characteristics wire Placing termination resistors LonWorks FTT 10A communication links require termination resistors To correctly place termination resistors follow...

Page 12: ...Hz 5 5 4 0 MHz 11 8 0 MHz 15 10 0 MHz 17 16 0 MHz 22 20 0 MHz 24 Worst pair to pair near end crosstalk dB minimum Values are shown for information only The minimum NEXT coupling loss for any pair comb...

Page 13: ...connected to the zone sensor and communicates data to slave B1 ZS Zone sensor M Master S Slave LON COMM BUS LON communication bus STP Setpoint 1 Maximum 1400 m with the use of 1 repeater 2 Maximum 60...

Page 14: ...Ax Slave x zone A S Bx Slave x zone B ZA Zone A ZB Zone B 1 Maximum 1400 m with the use of 1 repeater 2 Maximum 60 devices 120 with 1 repeater Tracer Summit S A1 S A2 MA MB S B1 ZB ZA ZS ZS 1 2 Figur...

Page 15: ...simplified option zone sensor TH02 A full option zone sensor TH01 Figure 7 Simplified option zone sensor TH02 Ref 35168531 001 1 2 3 4 External adjustable thumbwheel setpoint High Medium Low Auto Off...

Page 16: ...ied mode Cancel override button High Medium Low Auto Off fan speed switch Built in air temperature sensor Internal communications jack for easy connection to the Rover Service tool RJ 11 type Drilling...

Page 17: ...ng of the zone sensors Figure 9 Zone sensor only 1 Zone sensor 2 Communication link TH01 only 3 Factory wired 4 Occupancy window contact 5 Zone sensor temperature sensor 6 Communication BUS 7 Return a...

Page 18: ...point 30 C Default occupied standby cooling setpoint 25 C Default occupied cooling setpoint 22 C Default occupied heating setpoint 20 C Default occupied standby heating setpoint 17 C Unoccupied heatin...

Page 19: ...de nvoDischAirTemp SNVT_temp_p nviFanSpeedCmd SNVT_switch nvoTerminalLoad SNVT_lev_percent nviComprEnable SNVT_switch nvoSpaceRH SNVT_lev_percent nviAuxHeatEnable SNVT_switch nvoOutdoorTemp SNVT_temp_...

Page 20: ...A Power 3 W Maximum stroke 8 mm Opening time 4 min Closing time 4 6 min depending on heating time Differential pressure 1 5 bar Ambient temperature 0 50 C Protection standard IP43 for vertical instal...

Page 21: ...al pressure 2 5 bar M8450A1000 stroke 6 5mm V5833C1033t 1 2 kvs 1 6 Differential pressure 1 5 bar M8450A1000 stroke 6 5mm V9071X0015 1 2 kvs 1 0 Differential pressure 2 5 bar M8450A1000 stroke 6 5mm V...

Page 22: ...20 001 V5833C1033 kvs 1 6 1 2 M8450A1000 6 5mm Normally closed 35168519 001 V5833C1025 kvs 1 6 1 2 M8450A1000 6 5mm 35168519 001 V5833C1025 kvs 1 6 1 2 M8450A1000 6 5mm 35168520 001 V5833C1033 kvs 1 6...

Page 23: ...identification sticker with pictograms which clearly indicates important information such as the customer order number job name unit model size coil type presence of an electric heater motor type unit...

Page 24: ...ver 2 way valve 2 pipe changeover 3 way valve 2 pipe changeover electric heater 2 way valve 2 pipe changeover electric heater 3 way valve 4 pipe Indicates customer order number max 25 alphanumeric cha...

Page 25: ...pipe cooling electric heater 2 pipe changeover electric heater 4 pipe Figure 12 Neuron Identification Sticker Neuron identification In order to quickly identify the neuron ID of each unit on the job s...

Page 26: ...enance department Warning If an electric heater is connected by an installer operation of the electric heater must be subordinated to operation of the fan Figure 13 Zone sensor only Figure 14 Zone sen...

Page 27: ...1 pair 0 9mm capacitance 72 6pf m max maximum 60m Communication between units It is possible to connect several units together thanks to a communication bus For connection refer to Figure 16 Figure 1...

Page 28: ...ied with the fuse disconnect switch Refer to the wiring diagrams supplied with the units for more information To connect main power supply refer to Figures 17 to 19 Figure 17 UniTrane HFO HFR without...

Page 29: ...so used to indicate that the controller is in a manual test mode or wink mode Table 6 describes the different patterns Green LED activity Description LED is on continuously Power on normal operation L...

Page 30: ...heTracer ZN 520 zone controller includes an automatic diagnostic reset function This function attempts to automatically recover a unit when the Low CoilTemperature Detection diagnostic occurs After th...

Page 31: ...ycled between high speed and off with capacity Questionable unit operation Table 8 Fan outputs do not energize Probable cause Unit wiring Random start observed Unit configuration Power up control wait...

Page 32: ...the outdoor air temperature is below the freeze avoidance setpoint the controller opens the water valves 100 to prevent coil freezing This includes unoccupied mode when there is no call for capacity...

Page 33: ...Automatic fan speed variation LOW Low fan speed MED Medium fan speed HIGH High fan speed 2 Temperature setting 3 Occupied mode Timed Override 4 Unoccupied mode Cancel Override TH01 Trane reference 35...

Page 34: ...Notes 34 CNT SVX13B E4...

Page 35: ...Notes CNT SVX13B E4 35...

Page 36: ...s www trane com For more information contact your local district office or e mail us at comfort trane com Trane has a policy of continuous product and product data improvement and reserves the right t...

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