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Contents

RT-SVX19A-E4

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

Cooling with an Economizer

Economizer Set-Up

ReliaTel™ Control Heating Operation

Ignition Module

Final installation checklist

Maintenance

End user routine maintenance

Service technician maintenance

Troubleshooting

Содержание RT-SVX19A-E4

Страница 1: ...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 Installation Operation Maintenance RT SVX19A E4...

Страница 2: ...result in minor or moderate injury It may also be used to alert against unsafe practices or for equipment or property damage only accidents Safety recommendations To avoid death injury equipment or pr...

Страница 3: ...lar maintenance ensures the maximum operating life of your equipment We would remind you that failure to respect these installation and maintenance instructions may result in immediate cancellation of...

Страница 4: ...g the unit 10 Connection of duct network 11 Condensate drain piping 12 Gas pipework installation 13 Filter installation 14 Supply fan adjustment 15 Component air pressure drops 17 Supply fan performan...

Страница 5: ...mostat 44 Setting the economizer 47 Test procedures 49 Test modes 50 Unit start up 51 Cooling without an Economizer 54 Low Ambient Operation 55 Cooling with an Economizer 55 Economizer Set Up 56 Relia...

Страница 6: ...adjusted to fit the unit Figure 1a Unit handling The units are supplied on the truck but are not unloaded An opening is provided on each corner of the unit base to facilitate handling 4 shackles and 4...

Страница 7: ...bled on a skid Two types of self adhesive seals are provided separately 40 mm wide for the perimeter 20 mm wide for the cross pieces Make sure they are properly installed where indicated to assure an...

Страница 8: ...equirement plan Minimum clearance UNIT 1 2 3 4 5 YKD YKH 155 1900 1800 1220 1000 1300 YKD YKH 175 1900 1800 1220 1000 1300 YKD YKH 200 1900 1800 1220 1000 1300 YKD YKH 250 1900 1800 1220 1000 1300 TKD...

Страница 9: ...175 93 220 30 15 27 14 85 TKD 200 107 260 37 15 34 18 110 TKD 250 107 260 37 15 34 18 110 TKH 155 30 15 27 14 TKH 175 30 15 27 14 TKH 200 37 15 34 18 TKH 250 37 15 34 18 WKD 125 93 180 20 15 27 18 85...

Страница 10: ...tray The rooftop unit nests into the curb and is supported by it Position the unit taking care to comply with the indicated directions the unit s discharge and intake openings must match those of the...

Страница 11: ...ular Installation of a section of flexible ducts to limit transmission of the unit s vibrations Use of movable vanes or deflectors to reduce the sound level 2 Horizontal discharge units TKH WKH YKH Th...

Страница 12: ...ug RT SVX19A E4 Condensate drain piping A 42mm PVC condensate drain connection with P trap is provided Follow local codes and standard piping practices when running the drain line Install a trap and b...

Страница 13: ...pted to the type of gas used G 20 20 mb G 25 25 mb G 31 Propane 37 or 50 mb Table 4 Gas burner models SeeTable 38 for burner performance Gas leak check procedure 1 Vent the gas line 2 Gas supply line...

Страница 14: ...175 2 508x508x50 2 498x498x40 4 508x635x50 4 500x625x50 YKH 200 8 508x635x50 8 500x625x50 YKD 200 4 508x508x50 4 498x498x40 4 508x635x50 4 500x625x50 YKH 250 8 508x635x50 8 500x625x50 YKD 250 4 508x5...

Страница 15: ...otor sheave Fan speed Fan Speed RPM Standard Drive 6 turns 5 turns 4 turns 3 turns 2 turns 1 turns UNIT Open Open Open Open Open Open Closed YKD YKH 155 566 601 637 672 708 743 N A YKD YKH 175 724 769...

Страница 16: ...ent Bolt F Idler Pulley Table 6b Belt tensioning TK YK WK Motor kW Fan pulley Type diam mm Fan pulley Type diam mm Belt type lengh mm Belt deflexion mm Deflexion effort mini kg Deflexion effort maxi k...

Страница 17: ...10 YKD YKH 175 7870 17 30 10 7 8860 21 34 12 8 9850 25 38 15 9 10840 30 43 17 11 11830 35 47 20 12 YKD 200 8970 12 26 29 6 10090 15 30 37 8 11210 19 33 45 9 12330 23 37 55 11 13450 27 41 65 13 YKH 20...

Страница 18: ...8860 21 34 12 8 13 51 9850 25 38 15 9 16 61 10840 30 43 17 11 19 72 11830 35 47 20 12 23 83 TKD 200 8970 12 26 29 6 13 33 10090 15 30 37 8 17 40 11210 19 33 45 9 21 48 12330 23 37 55 11 25 56 13450 27...

Страница 19: ...6 5 4 37 6430 11 24 7 6 6 45 7140 14 27 9 6 7 53 7850 17 30 10 7 9 62 8560 20 33 12 8 12 72 WKD WKH 155 6800 13 27 8 6 7 33 7650 16 30 10 7 9 40 8500 19 34 12 8 11 48 9350 22 37 14 9 13 56 10200 26 4...

Страница 20: ...1 806 2 19 824 2 28 841 2 37 858 2 46 875 2 55 8500 764 2 25 782 2 35 800 2 45 818 2 55 9350 10200 External Static Pressure Pa 25 50 75 100 125 150 175 200 225 250 m3 h RPM kW RPM kW RPM kW RPM kW RPM...

Страница 21: ...2 12 570 2 24 588 2 36 606 2 48 623 2 61 640 2 74 657 2 87 673 3 01 12330 548 2 41 573 2 58 594 2 73 613 2 87 630 3 646 3 13 662 3 27 678 3 4 693 3 54 709 3 69 13450 593 3 1 617 3 29 638 3 46 656 3 61...

Страница 22: ...3 19 712 3 32 727 3 44 742 3 56 756 3 68 770 3 80 784 3 92 15510 699 3 65 719 3 82 736 3 98 753 4 13 768 4 27 782 4 40 796 4 54 810 4 67 823 4 81 836 4 94 16920 758 4 70 777 4 89 794 5 06 810 5 23 82...

Страница 23: ...16 775 2 28 799 2 4 821 2 51 843 2 62 864 2 73 884 2 84 905 2 95 925 3 07 945 3 18 11830 814 2 78 837 2 92 860 3 05 881 3 17 901 3 29 921 3 41 940 3 53 959 3 65 978 3 77 996 3 89 Table 16 TK 200 Exter...

Страница 24: ...5 3 49 814 3 65 832 3 8 15510 690 2 9 711 3 08 733 3 28 756 3 5 779 3 71 801 3 93 822 4 13 842 4 33 16920 749 3 73 768 3 92 788 4 14 809 4 36 Table 18 WK 125 External static pressure Standard drive Ov...

Страница 25: ...able 20 WK 200 External static pressure Standard drive Oversized drive External Static Pressure Pa 275 300 325 350 375 400 425 450 475 500 m3 h RPM kW RPM kW RPM kW RPM kW RPM kW RPM kW RPM kW RPM kW...

Страница 26: ...er wiring The unit power supply must be provided by 4 wire cable with cross sectional areas complying with legislation The power supply cables must be laid in leak tight pipes and pass through the bot...

Страница 27: ...capacitors before servicing Follow proper lockout tagout procedures to ensure the power cannot be inadvertently energized After power is removed allow 4 minutes for capacitors to discharge Verify with...

Страница 28: ...9750 21000 23500 Type Axial Axial Axial Axial Diameter mm 660 660 710 710 Drive type Direct Direct Direct Direct Number 2 2 2 2 Motor HP kW 0 25 0 25 0 56 0 56 Motor Rated Amps 1 A 1 6 1 6 2 3 2 3 Mot...

Страница 29: ...r Width in in 15 15 15 15 18 18 18 18 Drive type Belt Belt Belt Belt Number 1 1 1 1 Motor HP Standard Oversized kW 2 2 3 0 3 0 4 6 3 0 4 6 4 6 Motor Rated Amps Standard Oversized A 4 6 6 5 6 5 9 0 6 5...

Страница 30: ...available 5 Pa 425 325 350 Type FC Centrifugal FC Centrifugal FC Centrifugal Diameter Width in in 15 15 15 15 18 18 Drive type Belt Belt Belt Number 1 1 1 Motor HP Standard Oversized kW 2 2 3 0 2 2 3...

Страница 31: ...C THS02 4239070 THP02 4240530 THS01 4239060 THP01 4240520 TraneTHS01 THS02 THP01 and THP02Thermostats are directly connected to RTRM board J7 connector TRANETHS02 and THP03 thermostats are directly co...

Страница 32: ...tween a ReliaTel unit and LonTalk communication applications Unit controlled by Tracker supervisor The units must also be equipped with theTCI R communication board One remote sensor is required on ea...

Страница 33: ...nperature dependence of output 0 3 full scale C Long term stability 5 0 fulI scale 5 years Recomrnended calibration interval 5 years Response time 1 minute 0 63 Operating temperature 15 35 C 5 45 C St...

Страница 34: ...tion Maximum wire Iength mm2 mn 0 25 50 0 5 100 1 200 Wiring the duct mounted CO2 sensor 1 Connect the DCV signal lwire to the connector DCV of the ECA 2 Connect the power according to the guidelines...

Страница 35: ...n 80 140 mm 15 8 in 42 mm 7 8 in 2 2 mm 15 8 in 42 mm CO2 sensor maintenance This CO2 sensor has excellent stability and requires no maintenance In most environments the recommended calibration interv...

Страница 36: ...eter cut the jumper WL on the economizer ECA board and connect the wires to P and P1 Note This potentiometer allows to adjust the permanent fresh air intake from 0 to 50 0 W corresponds to closed fres...

Страница 37: ...X13100040 01 has to be mounted in the return air duct Sensor X13100040 02 has to be mounted in the supply air duct Note Do not permit element guard to touch internal parts Do not locate sensor where...

Страница 38: ...ay used to send alarm signals dry contact to a local BMS or a local control panel With this relay the compressor heating fan and power supply alarm output signals from the controller are reported to a...

Страница 39: ...d to allow communication between aTRANE Integrated Comfort system TRACKER or Varitrac CCP2 and the unit COM3 COM4 LON Communication Interface LCI R board This is an electronic board factory mounted in...

Страница 40: ...the unit Remove the central panel to access the coil using an 8 mm wrench the bolts are located on the bottom part of the panels The tubes for entering and leaving water are equipped with a threaded f...

Страница 41: ...chieve a progressive supply fan start and a reduced starting current as well as the motor starting torque This option is well adapted for textile duct applications It is factory installed in the main...

Страница 42: ...um of 25 of the nominal rooftop air flow This option includes for the hood itself a wire mesh and a slidable damper The slidable damper has to be adjusted manually by removing the screws and sliding i...

Страница 43: ...r than the building overpressure the gravity dampers will open and releive air outside of the building Unit Options 43 RT SVX19A E4 Barometric relief The barometric relief allows to minimize overpress...

Страница 44: ...ermostat wires is located on the RTRM module in the control compartment The purpose of each terminal is discussed in the next section COM T R Y1 W1 0 G W2 X2 Y2 Customers occasionally require operatio...

Страница 45: ...economizing W1 gas electric heat first stage 1st stage heat W2 gas electric heat 2nd stage 2nd stage heat if available Conventional thermostat Heat Pump T provides heat anticipation signal for those...

Страница 46: ...conomizer closes except while economizing regardless of minimum position setting Cooling Economizer Operation If unit does not have an economizer the Cool Econ Stage 1 and Stage 2 will call directly f...

Страница 47: ...8 o clock the minimum position is roughly 0 When the dial is pointing to 12 o clock it is roughly 25 and when the dial is pointing to 4 o clock it is roughly 50 To check the damper is functioning cor...

Страница 48: ...T USED OAT I T I S CONNECTED ONNECTED TO ORTR TR M RA INPU A INPU T COMMO OMMO N COMMO OMMO N RHS INPUT RHS INPUT CO2 SENSOR INPU O2 SENSOR INPU T COMMO OMMO N P P1 P1 REM REM OTE MINIMUM MINIMUM POT...

Страница 49: ...ding with any test procedure or operation make sure that crankcase heaters have been energized for at least 8 hours Units equipped with Scroll compressors do not have crankcase heaters Note Upon power...

Страница 50: ...terminals The unit will start the first test step and change to the next step every 30 seconds At the end of the test mode control of the unit will automatically revert to the applied System control m...

Страница 51: ...estruction and people injury Note Unit factory set for G20 Figure 23 Gas valve 1 Negative pressure controller 2 Safety solenoid valve 3 Gas injector 4 Air inlets 5 To the burner 6 Fan 7 Gas unit 8 Min...

Страница 52: ...O2 9 7 G350 YK 155 175 200 225 1 Burner G350 Natural Gas G25 20 ou 25 mbar 29 30 MJ m3 15 C 1013 Gas Flow 15 C 1013 mbar m3 h Nominal rate 8 8 Reduced rate 8 21 Heating Capacity kW Nominal rate 62 9 R...

Страница 53: ...ccess panel is in place Cooling shutdown To exit the test mode disconnect unit power for 3 5 seconds and reapply When running the unit using the zone sensor as the control position the selector switch...

Страница 54: ...zes the K10 relay coil located on the RTRM When the K10 relay contacts close the compressor contactor CC2 coil is energized provided the low pressure control LPC2 and high pressure control HPC2 are cl...

Страница 55: ...int If the mixed air sensor MAS senses that the mixed air temperature is below 53 F the damper modulates toward the closed position If the zone temperature continues to rise above the zone temperature...

Страница 56: ...burner Once the burner is ignited the hot surface ignition probe IP is de energized by the ignition module IGN and functions as the flame sensing device If the burner fails to ignite the ignition mod...

Страница 57: ...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 The automa...

Страница 58: ...access panels to service the unit Failure to disconnect power before attempting any servicing can result in severe injury or death Air filters It is very important for the central duct system air fil...

Страница 59: ...up in the coil Service technician maintenance Before the cooling season your service technician may examine the following areas of your unit Filters for cleaning or replacement Motors and drives syste...

Страница 60: ...p 3 2 If the LED is not lit verify that 24 VAC is present between J1 1 and J1 2 If 24 VAC is present proceed to Step 3 If 24 VAC is not present check the unit main power supply check transformer TNS1...

Страница 61: ...cutive compressor starts check LPC1 or LPC2 by testing voltage between the J1 8 J3 2 terminals on the RTRM and ground If 24 VAC is present the LPC s has not tripped If no voltage is present LPC s has...

Страница 62: ...easure the voltage between terminals J6 10 J6 6 Clogged Filter Approximately 32 VDC Normal Less than 1 VDC approximately 0 75 VDC Fan Failure voltage alternates between 32 VDC 0 75 VDC To use LED s fo...

Страница 63: ...ature Thermistor ZTEMP This component is tested by measuring the resistance between terminals 1 and 2 on the Zone Temperature Sensor Table 42 Thermistor Resistance Temperature Chart Temperature resist...

Страница 64: ...to change design and specifications without notice Only qualified technicians should perform the installation and servicing of equipment referred to in this publication A business of American Standar...

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