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Summary of Contents for Trane RT-SVX19A-E4
- Page 1 Installation Operation Maintenance Voyager™ II Rooftop units Cooling only TKD/TKH 155 175 200 250 Reversible WKD/WKH 125 155 200 Gas-Fired YKD/YKH 155 175 200 250 R22 - R407C Refrigerant RT-SVX19A-E4...
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Page 2: General Information
(or the site representative) must send a registered letter to the last carrier within 7 days of delivery, claiming for the described damage. A copy of this letter must be sent to Trane Epinal Operations - Claims team. RT-SVX19A-E4... -
Page 3: Warranty
Do not use the unit's heater as temporary heat without completing the start-up procedures detailed under "Unit Start-Up". The Trane Company will not assume responsibility for equipment damage resulting from accumulation of condensate on the unit electrical components. -
Page 4: Table Of Contents
Gas pipework installation Filter installation Supply fan adjustment Component air pressure drops Supply fan performances Electrical connection Controls Control wiring sensors Remote potentiometer Fire thermostat Clogged filter detector Smoke detector High temperature safety thermostat Remote fault relay Thermostats Communication Interfaces RT-SVX19A-E4... - Page 5 RT-SVX19A-E4 Contents Unit Options Hot water coil Electric Heater Soft Starter 0 - 25% fresh air hood Barometric relief Operation Operation with a conventional thermostat Setting the economizer Test procedures Test modes Unit start-up Cooling without an Economizer Low Ambient Operation...
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Page 6: Installation
Figure 1a indicates the position of the center of gravity and the lifting recommendations. Important: For unit to fit on the roof curb the fork lift pockets must be removed. RT-SVX19A-E4... -
Page 7: Roof Curb Installation
3500 3500 Figure 1b - Maximum slope correction of adjustable roof curb. Figure 2 - Waterproofing 1 = Roofcurb 2 = Roof membrane 3 = Seal 4 = Rooftop RT-SVX19A-E4 Installation Maximm weight B (mm) 1900 1900 1900 2200 1001... -
Page 8: Dimensions/Weights/Clearances
Refer to Table 3a and the space requirement plan. Minimum clearance 1220 1000 1220 1000 1220 1000 1220 1000 1220 1000 1220 1000 1220 1000 1220 1000 1220 1000 1220 1000 1220 1000 RT-SVX19A-E4 1300 1300 1300 1300 1300 1300 1300 1300 1300 1300 1300... - Page 9 WKH 125 WKH 155 WKH 200 Notes : Net weight should be added to unit weight when ordering factory installed accessories. To estimate shipping weight add 2.3 kg to net weight. RT-SVX19A-E4 Installation Installation Corner Weight (1) (kg) (kg) (kg)
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Page 10: Installing The Unit
Figure 4 1 = Frame Figure 5 1 = Concrete slab RT-SVX19A-E4 Installation Installing the unit 1) Unit mounting on roof Fix the rooftop curb on the joint beam of the building's structure. Make the rooftop curb's sealing surface level using angle brackets adjusted by screw bolts, located around its perimeter. -
Page 11: Connection Of Duct Network
RT-SVX19A-E4 RT-SVX19A-E4 Installation Connection of duct network 1) Downflow discharge units (TKD,WKD,YKD) Using the rooftop curb • The rooftop curb must be insulated on the outside walls at the discharge and intake openings to prevent condensation in the ducts. •... -
Page 12: Condensate Drain Piping
Refer to Figure 7. Figure 7 - Condensate drain line connection 1 = Static pressure drain pan 2 = Panel enclosure 3 = 42mm PVC drain 4 = Cleanout plug RT-SVX19A-E4 RT-SVX19A-E4... -
Page 13: Gas Pipework Installation
WARNING! Never use an open flame to check for gas leaks. Required gas pressure at the unit inlet connection are given in Table 37. Note: To operate with propane gas, the burner is fitted with a pressure limiter (supplied by Trane) -
Page 14: Filter Installation
(500x625x50) (508x508x50) (498x498x40) (508x635x50) (500x625x50) (508x508x50) (498x498x40) (508x635x50) (500x625x50) (508x508x50) (498x498x40) (508x635x50) (500x625x50) (508x635x50) (500x625x50) (508x508x50) (498x498x40) (508x635x50) (500x625x50) (508x635x50) (500x625x50) (508x508x50) (498x498x40) (508x635x50) (500x625x50) (508x508x50) (498x498x40) (508x635x50) (500x625x50) (508x508x50) (498x498x40) (508x635x50) (500x625x50) (508x635x50) (500x625x50) (508x508x50) (498x498x40) (508x635x50) (500x625x50) RT-SVX19A-E4... -
Page 15: Supply Fan Adjustment
TKD/TKH 175 TKD/TKH 200 TKD/TKH 250 WKD/WKH 125 WKD/WKH 155 WKD/WKH 200 RT-SVX19A-E4 Installation b. Add static pressure drop of the accessories installed on the unit. (Table 7,8 & 9) c. Add the total accessory static pressure drop (from step 1b) to the design external static pressure (from step 1a). - Page 16 A = Fan Housing B = Terminal Block C = Fan Sheave D = Plastic Bushing E = Belt Tension Adjustment Bolt F = Idler Pulley Deflexion Deflexion Belt tension Belt tension effort effort mini mini kg maxi kg RT-SVX19A-E4 maxi...
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Page 17: Component Air Pressure Drops
RT-SVX19A-E4 Installation Component air pressure drops Table 7 - YKD/YKH Pressure drop through accessories Filter Airflow EU2/G2 6800 7650 YKD/YKH 155 8500 9350 10200 7870 8860 YKD/YKH 175 9850 10840 11830 8970 10090 YKD 200 11210 12330 13450 8970 10090... - Page 18 TKH 200 11210 12330 13450 11280 12690 TKD 250 14100 15510 16920 11280 12690 TKH 250 14100 15510 16920 Installation Filter Filter Economizer 100% EU2/G2 EU4/G4 outside air Economizer Electric Hot water coil 100% heater Downflow only return air RT-SVX19A-E4...
- Page 19 WKD/WKH 155 8500 9350 10200 8970 10090 WKD 200 11210 12330 13450 8970 10090 WKH 200 11210 12330 13450 RT-SVX19A-E4 RT-SVX19A-E4 Installation Economizer Filter Filter 100% EU2/G2 EU4/G4 outside air Economizer 100% Electric Hot water coil return air heater Downflow only...
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Page 20: Supply Fan Performances
649 1.69 669 1.78 689 1.87 708 1.97 727 2.06 746 2.16 External Static Pressure (Pa) 2.01 787 806 2.19 824 2.28 841 2.37 858 2.46 875 2.55 1.15 633 1.23 655 1.31 677 1.39 1.94 830 2.01 847 2.09 863 2.16 1.74 RT-SVX19A-E4... - Page 21 690 3.16 707 3.31 724 3.47 741 3.64 757 3.81 773 3.98 789 4.14 804 4.31 12330 724 3.84 739 3.99 754 4.15 770 4.31 13450 Standard drive Oversized drive RT-SVX19A-E4 RT-SVX19A-E4 Installation External Static Pressure (Pa) 726 1.58 751 1.96 772 2.05 792 2.13 811 2.22 831 2.31 850...
- Page 22 599 0.77 633 0.85 665 0.93 697 1.02 728 571 0.82 603 634 0.99 665 1.07 694 1.16 723 1.25 752 1.34 780 1.44 1.55 738 1.65 External Static Pressure (Pa) 1.74 606 1.62 625 1.72 643 1.82 1.75 788 1.86 813 1.96 838 2.07 758 1.19 RT-SVX19A-E4...
- Page 23 778 3.08 799 3.24 820 13450 808 3.64 828 3.81 Standard drive Oversized drive RT-SVX19A-E4 Installation External Static Pressure (Pa) 1.11 679 1.19 706 1.28 733 1.37 706 1.49 731 1.58 756 1.67 780 1.77 805 1.87 829 1.97 853 2.08 1.95 786 2.05 809 2.15 831 2.25 853 2.36 875 2.47 897 2.58...
- Page 24 679 2.02 700 2.13 720 2.24 739 2.35 2.76 766 2.89 785 3.02 3.11 889 3.19 904 3.28 709 0.89 741 0.98 708 1.09 739 1.19 730 1.28 759 1.38 788 1.48 933 1.59 957 1.68 1.13 1.19 770 1.29 RT-SVX19A-E4...
- Page 25 820 3.75 840 3.91 14570 15690 16810 Standard drive Oversized drive RT-SVX19A-E4 Installation External Static Pressure (Pa) 599 0.77 632 0.85 664 0.93 696 1.02 727 571 0.82 604 634 0.99 664 1.07 694 1.16 723 1.25 751 1.34 779 1.44 778 2.02 803 2.13 826 2.24 848 2.35 871 2.47...
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Page 26: Electrical Connection
Ensure all the connections are tightened. Note: 1. earthing must be executed in accordance with local legislation. 2. the machines are designed for a short-circuit current of 10 kA. In the event of a higher application, contact your Trane sales office. RT-SVX19A-E4... - Page 27 Verify with an appropriate voltmeter that all capacitors have discharged. Failure to disconnect power and/or discharge capacitors before servicing could result in death or serious injury. For additional information regarding the safe discharge of capacitors, see Trane Service Bulletin PROD-SVB06A.
- Page 28 10T / 6.7T 9T / 9T 10T / 10T 15.1 / 11.4 14.7 / 14.7 15.3 / 15.3 118 / 101 118 / 118 118 / 118 19750 21000 23500 Axial Axial Axial Direct Direct Direct 0.25 0.56 0.56 RT-SVX19A-E4...
- Page 29 Motor Rated Amps (Standard/Oversized) Motor Locked rotor Amps (Standard/Oversized) (A) Motor RPM (Standard/Oversized) (4) At the nominal airflow with standard drive (5) At the nominal airflow with oversized drive when available RT-SVX19A-E4 Installation WKD/H Scroll 6T / 6T 10.0 / 10.0...
- Page 30 2.2 / 3.0 3.0 / 4.6 4.6 / 6.5 6.5 / 9.0 36.4 / 57 57 / 71.9 1450 / 2870 2870 / 2900 YKD/H YKD/H G350 G350 G350 69.3 69.3 69.3 3/4" NPT 3/4" NPT RT-SVX19A-E4 Belt 9 / -...
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Page 31: Controls
Risk of injury and electrocution. CAUTION! The unit 24 V transformer must not be used to power accessories mounted on site, other than those proposed by Trane. Unit controlled by thermostat Figure 11 - Thermostat wiring THP03 THS03 (WH) - Page 32 Unit controlled by BAS Each unit must be equipped with a TCI-R board. A communication bus (twisted shielded pair) must link each TCI-R to the Trane Roof Top Manager (RTM) or to the communication gateway (in the case of an external BAS). Connect one temperature sensor to each unit.
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Page 33: Co 2 Sensors
RT-SVX19A-E4 Controls sensors Wall-mounted and duct-mounted sensors Table 30 - Specifications WaII-mounted Measuring range CO <+/- [40 ppm CO of reading] Accuracy at 25°C (included repeatability and calibration uncertainty) Non-linearity Ternperature dependence of output Long-term stability Recomrnended calibration interval Response time... - Page 34 3. Mount the back plate to the wall with screws. Note that the arrow on the back plate shows the mounting direction. OUTPUT SELECTION JUMPERS RT-SVX19A-E4...
- Page 35 A calibration kit, software, and calibration gases are required. If certified accuracy is required, the sensor must be calibrated against accurate and traceable calibration gases in a laboratory. Consult Trane BAS for further details. in. (80 - 140 mm )
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Page 36: Remote Potentiometer
BU = Blue wire _____ Factory wiring -------- Field wiring Note: This potentiometer allows to adjust the permanent fresh air intake from 0 to 50%. 0 W corresponds to closed fresh air damper. 270 W corresponds to 50% open fresh air damper. RT-SVX19A-E4... -
Page 37: Fire Thermostat
RT-SVX19A-E4 Controls Fire thermostat There are two sensors in the fire thermostat Kit: Sensor X13100040- 01 is factory-set to open at 57°C. Sensor X13100040-02 is set to open at 115°C. Sensors are mounted directly in the ductwork. They should be installed where elements can respond quickly to air temperature changes. -
Page 38: Clogged Filter Detector
6 thermostats are available: THS01/THP01, THS02/THP02 and THS03/THP03. "THS" are non programmable thermostats, "THP" are programmable. 01 and 02 series are conventional thermostat, 03 series are dedicated to the controller. THP02 THS03 THP03 electromech. Reliatel Reliatel CTI* none none RT-SVX19A-E4... -
Page 39: Communication Interfaces
TRANE Communication Interface (TCI-R) board This is an electronic board, factory- mounted in the main control panel, needed to allow communication between a TRANE Integrated Comfort system (TRACKER or Varitrac CCP2) and the unit. (COM3- COM4) LON Communication Interface (LCI-R) board... -
Page 40: Unit Options
The water distribution network must be fitted with vents in places where air is likely to be trapped. Table 33 - Ethylene glycol percentage Ethylene glycol Freezing point percentage (°C) RT-SVX19A-E4... -
Page 41: Electric Heater
RT-SVX19A-E4 Unit Options Electric Heater Electric heaters are fitted on the fan discharge. Heaters have two heating stages and provided with two types of overheat thermostats: • Automatic reset thermostats which stop the electric heater when the air temperature rises to 76°C. -
Page 42: 25% Fresh Air Hood
The slidable damper has to be adjusted manually by removing the screws and sliding it off up or down (Figure 20). The amount of fresh air introduced is then permanently fixed. RT-SVX19A-E4... -
Page 43: Barometric Relief
Figure 21 - Economizer flow chart with barometric relief Downflow version R = return S = supply F = fresh air E = exhaust RT-SVX19A-E4 Unit Options Barometric relief The barometric relief allows to minimize overpressure in the building caused by the introduction of fresh air. -
Page 44: Operation
In addition, non-Trane Building Controllers typically provide an interface to HVAC equipment based on a conventional thermostat interface. Units applied... - Page 45 X2 Call for emergency heat O Switchover valve On = cooling, Off = heating T Bias for heat anticipation for those mechanical thermostats that use this function RT-SVX19A-E4 Operation Conventional thermostat – Gas/ Electric, Electric Heat: Function when Input/connection energized :...
- Page 46 (compressor) stages. If the unit has an economizer, the Cool/Econ stages will function as follows. Call for Economizer Compressor Staging Cooling Request Inactive Compressor Output 1 Inactive Compressor Output 2 Compressor Inactive Outputs 1 & 2 Active Active Compressor off Active Compessor RT-SVX19A-E4...
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Page 47: Setting The Economizer
RT-SVX19A-E4 Operation Setting the economizer or 0-50% motorized hood (option) The ECA board is mounted on the damper actuator. To access the ECA board on economizers: • Remove the access panel located on the economizer section. • The electrical power must be... - Page 48 SE TTING TING S SETTINGS CO2 "PU O2 "PU RGE GE " CO2 “PURGE” SETPOINT SETPOINT SETPOINT ADJUSTMENT ADJUS T MEN ADJUS MEN T 500-1500 PPM 500-1500 PPM 500-1500 PPM MODBUS MOD BUS COMMON COMMO OMMO N 24VAC 24VAC RT-SVX19A-E4...
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Page 49: Test Procedures
• Checking of the gas heating section, in accordance with above procedure RT-SVX19A-E4 Operation WARNING! If any operating checks must be performed with the unit operating, it is the technician's responsibility to recognize any possible hazards and proceed in a safe manner. -
Page 50: Test Modes
"System" control method. For unit test steps and test modes, values to cycle the various components, refer to Table 36. Heat 1 Heat 2 Outdoor 1 Outdoor 2 RT-SVX19A-E4... -
Page 51: Unit Start-Up
RT-SVX19A-E4 Operation Unit start-up Verification of gas valve settings - (Reserved for the qualified gas technician) WARNING! Improper gas valve setting may lead to burner destruction and people injury. Note: Unit factory-set for G20. Figure 23 - Gas valve 1 = Negative pressure controller... - Page 52 Nominal rate (kg/h) Reduced rate Nominal rate 57.5 (kW) Reduced rate 55.3 Nominal rate 65.3 (kW) Reduced rate 62.6 Nominal rate Reduced rate 88.3 Nominal rate Reduced rate CO % < 0.001% G31 - 37mbar Nox ppm @ 400V-3-50Hz 8.9% RT-SVX19A-E4...
- Page 53 There will be a delay of up to 5 minutes before the unit starts in cooling mode. RT-SVX19A-E4 Operation Operating pressures After the unit has operated in cooling mode for a short period of...
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Page 54: Cooling Without An Economizer
(RTOM), the RTRM produces an analog output if the clogged filter switch (CFS) closes for two minutes after a request for fan operation. When the system is connected to a remote panel, the "SERVICE" LED will be turned on when this failure occurs. RT-SVX19A-E4... -
Page 55: Low Ambient Operation
"Off" time delay has been satisfied. RT-SVX19A-E4 Operation Cooling with an Economizer The economizer is utilized to control the zone temperature providing the outside air conditions are suitable. -
Page 56: Economizer Set-Up
1. Opening for 3 seconds and closing the main power disconnect switch 2. By switching the "Mode" switch on the zone sensor to "OFF" and then to the desired position 3. Allowing the ignition control module to reset automatically after one hour. RT-SVX19A-E4... -
Page 57: Final Installation Checklist
RT-SVX19A-E4 Operation Refer to the ignition control module diagnostics section for the LED diagnostic definitions. When the fan selection switch is set to the "Auto" position, the RTRM energizes the supply fan relay (F) coil approximately 30 second after initiating the heating cycle to start the supply fan motor (IDM). -
Page 58: Maintenance
(in new buildings, the filters should be checked every week for the first four weeks). If disposable-type filters are used, they should only be replaced with ones of the same type and size. Refrigerant charge (kg) (R22/R407C) 3.7/2.1 3.5/3.0 RT-SVX19A-E4... -
Page 59: Service Technician Maintenance
RT-SVX19A-E4 Maintenance Note: Do not attempt to clean disposable filters. Permanent filters can be cleaned by washing with a mild detergent and water. Ensure that the filters are thoroughly dry before reinstalling them in the unit (or duct system). Note: Replace permanent filters... -
Page 60: Rt-Svx19A-E4
LED 3 (Cool) "On" when the cooling cycle is operating. "Off" when the cooling cycle terminates or the LED fails. "Flashing" indicates a cooling failure. LED 4 (Service) "On" indicates a clogged filter. "Off" during normal operation. "Flashing" indicates an supply fan failure. RT-SVX19A-E4... - Page 61 2 Flashes: System Lockout 3 Flashes: Pressure Switch Fail 4 Flashes TC01 or TC02 Open 5 Flashes: Flame w/o Gas Valve 6 Flashes: Flame Rollout Open RT-SVX19A-E4 Maintenance Cooling Failure 1. Cooling and heating set point (slide pot) on the zone sensor has failed.
- Page 62 Fan Failure Switch When the "Fan Failure" switch is wired to the RTOM, the LED will remain flashing the entire time the fan proving switch is closed, indicating a fan failure, and it will shut the unit operations down. RT-SVX19A-E4...
- Page 63 RT-SVX19A-E4 Maintenance Zone Temperature Sensor (ZTS) Test Note:These procedures are not for programmable or digital models and are conducted with the Zone Sensor Module electrically removed from the system. Test 1 Zone Temperature Thermistor (ZTEMP) This component is tested by...
- Page 64 Literature stocking location Europe Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. Only qualified technicians should perform the installation and servicing of equipment referred to in this publication.
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