Trane RT-SVX19A-E4 manual

V o y ag er™ II Roof t op units Cooling only TKD/TKH 155 1 75 200 250 Rev ersible WKD/WKH 125 155 20 0 Gas-Fir ed YKD/YKH 155 1 75 20 0 250 R22 - R407C Refr ig er ant Installation Oper ation Maint enance R T -S VX1 9A -E4[...]

Fore word These instructions are given as a guide to good practice in the installation, start-up, operation, and maintenance by the user , of T rane TKD/TKH, WKD/WKH and YKD/YKH units. They do not contain full service procedures necessary for the continued successful operation of this equipment. The services of a qualified tec hnician should be emp[...]

W ar r anty W arranty is based on the general terms and conditions of the manufacturer . The war ranty is void if the equipment is repaired or modified without the written approval of the manufacturer , if the operating limits are exceeded or if the control system or the electrical wiring is modified. Damage due to misuse, lac k of maintenance or f[...]

RT -SVX1 9A-E4 4 Cont ents Foreword 2 W arnings and Cautions 2 Safety recommendations 2 Reception 2 W arranty 3 Refrigerant 3 Maintenance contract 3 Storage 3 T raining 3 Installation 6 Reception of units 6 Roof curb installation 7 Dimensions/W eights/Clearances 8 Installing the unit 1 0 Connection of duct network 1 1 Condensate drain piping 12 Gas[...]

Cont ents 5 R T -SVX1 9A-E4 Unit Options 40 Hot water coil 40 Electric Heater 41 Sof t Starter 41 0 - 25% fresh air hood 42 Barometric relief 43 Oper ation 44 Operation with a conventional thermostat 44 Set ting the economizer 47 T est procedures 49 T est modes 50 Unit star t-up 51 Cooling without an Economizer 54 Low Ambient Operation 55 Cooling w[...]

Installation RT -SVX1 9A-E4 6 General inf or mation : The installation must confor m to all local standards and r egulations. Reception of units Rooft op unit The unit is supplied on a wooden frame. It is recommended to c hec k the mac hine's condition upon reception. There are two ways to handle the unit: 1 . Use the openings in the wooden fr[...]

Roof curb Installation (TKD-WKD-YKD accessor ies) Roof curbs are available as an accessory for "downflow" units to support the unit and ensure the water tightness between the roof top and the roof. T wo types of roof curbs are available: The standard version to allow the installation of the unit on a flat roof and the adjustable version f[...]

Installation RT -SVX1 9A-E4 8 Dimensions/W eights/Clearances Figure 3 - Minimum clear ances T able 2 - Minimum clearances (mm) The structure accommodating the unit(s) must be designed to support the equipment in operation, as a minimum. Refer to T able 3a and the space requirement plan. Minimum clearance UNIT 12345 YKD/YKH 1 55 19 0 0 18 0 0 1220 1[...]

Installation 9 R T -SVX1 9A-E4 Installation T able 3a - Weigths & cent er of gra vity (Figure 1) 1 . Corner weights are given for information only. All models must be supported continuously by a curb or equivalent frame suppo rt. T able 3b - Weights of Options & accessor ies Notes : Net weight should be added to unit weight when ordering fa[...]

Installation RT -SVX1 9A-E4 10 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 brac kets adjusted by screw bolts, located around its perimeter . Place the adhesive seals on the curb's sealing surface (perimeter a[...]

Installation 11 R T -SVX1 9A-E4 RT -SVX1 9A-E4 Connection of duct networ k 1) Downflo w dischar ge units (TKD,WKD ,YKD) Using the roof t op curb • The rooftop curb must be insulated on the outside walls at the disc harge and intake openings to prevent condensation in the ducts. • The rims around the disc harge and intake openings mak e it possi[...]

Installation RT -SVX1 9A-E4 12 Figure 7 - Condensat e drain line connection 1 = Static pressure drain pan 2 = Panel enclosure 3 = 42mm PVC drain 4 = Cleanout plug RT -SVX1 9A-E4 Condensate dr ain piping A 42mm PVC condensate drain connection with P -trap is provided. Follow local codes and standard piping practices when running the drain line. Inst[...]

Installation 13 R T -SVX1 9A-E4 Gas pipewor k installation The installation must conform to all standards and regulations. The gas supply pipework and g as stop valve to be installed near the unit must be sized so as to assure the gas pressure is suf ficient at the unit inlet when operating at full load. CA UTION! Should the pressure at the unit va[...]

Installation RT -SVX1 9A-E4 14 CA UTION! Do not operate unit without filters in place. The maximum pressure drops allowable on filters are: EU2/G2: 120 P a EU4/G4: 150 P a Filter installation T o g ain access to filter s, remove the supply fan access panel on downflow units and the filter access panel on the end for horizontal units. Eac h unit shi[...]

Installation 15 R T -SVX1 9A-E4 Supply f an adjustment Use the following procedure to determine the proper adjustment of the supply fan for a specific application. 1 . Determine total external static pressure about system and accessories. a. Obtain the design airflow rate and the design external static pressure drop through the distribution system.[...]

Installation RT -SVX1 9A-E4 16 T o increase airflo w Loosen variable sheave set screw and turn sheave cloc kwise. T o decrease airflo w Loosen variable sheave set screw and turn sheave counter -cloc kwise. T o increase belt t ension Loosen the nut (next to the idler sheave) that secures the sheave in place. With a wrenc h, apply pressure cloc kwise[...]

Installation 17 R T -SVX1 9A-E4 Component air pr essur e dr ops T able 7 - YKD/YKH Pr essure dr op thr ough accessories Filter Filter Economiz er Economizer Airflow EU2/G2 EU4/G4 1 0 0% outside air 1 0 0% ret urn a ir YKD/YKH 155 6800 13 27 8 6 7 650 16 30 10 7 8500 19 34 12 8 9350 22 37 14 9 1 020 0 26 40 16 10 YKD/YKH 175 7870 17 30 10 7 8860 21 [...]

Installation RT -SVX1 9A-E4 18 T able 8 - TKD/TKH Pr essure dr op thr ough accessories Filter Filter Economiz er Economizer Electr ic Hot wat er coil Airflow EU2/G2 EU4/G4 1 00% outside air 1 0 0% ret urn a ir heater Do wnflow only TKD/TKH 155 6800 13 27 8 6 7 33 7 650 16 30 10 7 9 40 8500 19 34 12 8 11 48 9350 22 37 14 9 13 56 1 020 0 26 40 16 10 [...]

Installation 19 R T -SVX1 9A-E4 RT -SVX1 9A-E4 T able 9 - WKD/WKH Pressur e drop thr ough accessor ies Airflow Filter EU2/G2 Filter EU4/G4 Economizer 1 0 0% outside air Economizer 1 0 0% ret urn a ir Electr ic heater Hot wat er coil Downflo w only WKD/WKH 125 5720 9 21 6 5 4 37 6430 11 24 7 6 6 45 71 40 14 27 9 6 7 53 7850 17 30 10 7 9 62 8560 20 3[...]

Installation RT -SVX1 9A-E4 20 Supply f an perfor mances T able 1 0 - YK 155 Exter nal static pressur e Standard drive Ov ersized drive Exter nal Static Pressur e (Pa) 275 300 325 350 375 400 425 450 475 500 m 3 /h RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) 6800 699 1. 4 7 719 1. 5 5 739 1. 6 3 758 1. [...]

Installation 21 R T -SVX1 9A-E4 T able 1 1 - YK 1 75 Exter nal static pressur e Standard drive Ov ersized drive T able 12 - YK 200 Exter nal static pr essure Standard drive Ov ersized drive Exter nal Static Pressur e (Pa) 275 300 325 350 375 400 425 450 475 500 m 3 /h RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) [...]

Installation RT -SVX1 9A-E4 22 T able 13 - YK 250 Ext ernal static pr essure Standard drive Ov ersized drive Exter nal Static Pressur e (Pa) 275 300 325 350 375 400 425 450 475 500 m 3 /h RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) 9870 662 1. 9 2 681 2.03 699 2.15 71 7 2.26 735 2.36 752 2.48 76 8 2.59 [...]

Installation 23 R T -SVX1 9A-E4 T able 15 - TK 1 75 Exter nal static pressur e Standard drive Ov ersized drive Exter nal Static Pressur e (Pa) 275 300 325 350 375 400 425 450 475 500 m 3 /h RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) 7870 842 1. 7 9 869 1. 9 1 896 2.03 921 2.15 946 2.27 970 2.39 994 2.5[...]

Installation RT -SVX1 9A-E4 24 T able 17 - TK 250 Exter nal static pr essure Standard drive Ov ersized drive Exter nal Static Pressur e (Pa) 275 300 325 350 375 400 425 450 475 500 m 3 /h RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) 9870 71 4 1. 8 6 733 1. 9 4 751 2.02 76 9 2.1 786 2.1 7 802 2.25 818 2.3[...]

Installation 25 R T -SVX1 9A-E4 T able 19 - WK 155 Exter nal static pressur e Standard drive Ov ersized drive Exter nal Static Pressur e (Pa) 275 300 325 350 375 400 425 450 475 500 m 3 /h RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) 6800 787 1. 2 9 816 1. 3 8 843 1. 4 7 7 650 807 1. 5 4 834 1. 6 4 861 1[...]

Installation RT -SVX1 9A-E4 26 Electr ical connection The electric panel is located in the unit compressor section. Remo ve the compressor access panel. The unit is designed to run with 40 0 V +/- 5%/50 Hz/ 3 ph. F actory supplied Disconnect switc h (Option) The disconnect switc h is factory mounted. It is located on the side of the Electrical pane[...]

Installation 27 R T -SVX1 9A-E4 Scroll compr essors Compr essor electr ical phasing Proper phasing of the electrical power wiring is critical for proper operation and reliability of the scroll compressor and fans. Proper rotation of the scroll compressor must be established before the unit is started. This is accomplished by confirming that the ele[...]

Installation RT -SVX1 9A-E4 28 T able 22 - Electrical data - TKD/TKH Compressor mot or and condenser motor (1) At Eurovent rating conditions : Indoor return Air (27°C DB / 1 9°C WB) - Ambiant 35°C (2) per motor T able 23 - Electrical data - YKD/YKH Compressor mot or and condenser motor (1) At Eurovent rating conditions : Indoor return Air (27°C[...]

Installation 29 R T -SVX1 9A-E4 T able 24 - Electrical data - WKD/WKH Compressor motor and condenser mot or (1) At Eurovent rating conditions : Indoor return Air (27°C DB / 1 9°C WB) - Ambiant 35°C (2) per motor T able 25 - Electrical data - TKD/TKH Supply f an motor (4) At the nominal airflow with standard drive (5) At the nominal airflow with [...]

Installation RT -SVX1 9A-E4 30 T able 26 - Electrical data - YKD/YKH Supply f an motor (4) At the nominal airflow with standard drive (5) At the nominal airflow with oversized drive when available T able 27 - Electrical data - WKD/WKH Supply fan motor (4) At the nominal airflow with standard drive (5) At the nominal airflow with oversized drive whe[...]

Contr ols 31 R T -SVX1 9A-E4 Contr ol wir ing The control circuit is 24 V AC. Unit includes a 40 0/24 V transformer . W ARNING! The unit disconnect switc h must be opened and loc k ed open. Risk of injury and electrocution. CA UTION! The unit 24 V transformer must not be used to power accessories mounted on site, other than those proposed by T rane[...]

Contr ols RT -SVX1 9A-E4 32 Unit controlled b y BAS Eac h unit must be equipped with a TCI-R board. A communication bus (twisted shielded pair) must link eac h TCI-R to the T rane Roof T op Manager (R TM) or to the communication gatew ay (in the case of an external BAS). Connect one temperature sensor to eac h unit. LonT alk ® communication interf[...]

Contr ols 33 R T -SVX1 9A-E4 CO 2 sensors W all-mounted and duct-mounted CO 2 sensors T able 30 - Specifications W aII-mounted Duct-mount ed Measuring range CO 2 0-200 ppm Accuracy at 25°C <+/- [40 ppm CO 2 + 3% of reading] (included repeatabilit y and calibration uncertaint y) <+/- [30 ppm CO 2 + 2% of reading] (included repeatabilit y and [...]

Contr ols RT -SVX1 9A-E4 34 P ow er supply r equirements CA UTION! Make sure that you connect the power wire only to the 24V terminal. Connecting the power wire to the output terminal may result in equipment damage. The CO 2 sensor is designed to operate with a nominal 24 V ac supply . The power supply should maintain the voltage between 20 to 26 V[...]

Contr ols 35 R T -SVX1 9A-E4 Mounting the duct-mounted CO 2 sensor 1 . Select a proper location on the duct to mount the CO 2 sensor . 2. Drill a 22-25 mm hole in the mounting surface for sensor insertion (Figure 1 3). 3. Attac h the mounting plate to the duct wall with four screws. 4. Insert the sensor through the mounting plate, adjusting the dep[...]

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 cor responds to 50% open fresh air damper . Contr ols RT -SVX1 9A-E4 36 Remote pot entiometer T o install the remote potentiometer , cut the jumper WL on the economizer ECA board, and connect the wires to P and [...]

Contr ols 37 R T -SVX1 9A-E4 Fir e ther mostat There are two sensors in the fire thermostat Kit: Sensor X1 31 0 0 040- 0 1 is factory-set to open at 57°C. Sensor X1 31 0 0 040-02 is set to open at 1 15°C. Sensors are mounted directly in the ductwork. They should be installed where elements can respond quic kly to air temperature c hanges. If not [...]

Contr ols RT -SVX1 9A-E4 38 Clogged filt er detect or This device is mounted in the filter section. The sensor measures the difference in pressure before and after the filter section. The information is sent to the THP03 thermostat, to a T rac k er™ or to a BMS. Smok e det ector This device is used to detect smoke in the air stream. It includes a[...]

Contr ols 39 R T -SVX1 9A-E4 Other accessor ies av ailable Remote temperature sensor to be used with THS/THP 0 1 -02 TZS0 1: Remote room temperature sensor to be used with THS/THP 03, T rac ker or V aritrac systems. DTS: Duct temperature sensor to be used with THS/THP 03 TZS02: Remote room temperature sensor with adjustable thumwheel setpoint to be[...]

Unit Options RT -SVX1 9A-E4 40 Hot wat er coil (Down flo w units only) In order to prevent water to freez e up in the coil during unoccupied period or shutdown limited period, a thermostat opens when there is a risk of freeze-up. The services of a water treatment specialist are recommended if water used can cause scaling deposits or erosion. Insula[...]

Unit Options 41 R T -SVX1 9A-E4 Electr ic Heater Electric heaters are fitted on the fan disc harge. Heaters have two heating stages and provided with two types of overheat thermostats: • Automatic reset thermostats whic h stop the electric heater when the air temperature rises to 7 6°C. Automatic reset at 60°C. No alarm output available. • Th[...]

Unit Options RT -SVX1 9A-E4 42 0 - 25% fr esh air hood The 0-25% fresh air hood allows to introduce fresh air into the unit. This is a manual device fitted on the bac k of the unit, siz ed for a maximum 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 b[...]

This option includes exhaust hoods and gravity dampers located in the return air section (Figure 22). When the pressure of the building increase, the gravity dampers open and relieve air to the outside. If the return air duct pressure drop is higher than the building overpressure, the gravity dampers will not open. If the return air duct pressure d[...]

Oper ation RT -SVX1 9A-E4 44 Operation with a conv entional ther mostat The ReliaT el module has conventional thermostat connections as well as Zone Sensor Module connections. When a conventional thermostat is controlling the unit, operation differs as follows. • Supply Air T empering feature is not available. If outdoor air is being introduced t[...]

Oper ation 45 R T -SVX1 9A-E4 Ther mostat signals ar e as follo ws: R 24V AC power to thermostat Y1 Call for compressor 1 or first stage cooling Y2 Call for compressor 2 or 2nd stage cooling G Call for supply fan W1 Call for heat 1 W2 Call for heat 2 Heat pump only: X2 Call for emergency heat O Switc hover valve On = cooling, Off = heating T Bias f[...]

Oper ation RT -SVX1 9A-E4 46 Unoccupied mode: If the thermostat being used is programmable, it will have its own strategy for unoccupied mode and will control the unit directly . If a mec hanical thermostat is being used, a field applied time cloc k with relay contacts connected to J6-1 1 and J6-12 can initiate an unoccupied mode as follows: • Co[...]

Oper ation 47 R T -SVX1 9A-E4 Set ting the economizer or 0-50% motor ized hood (option) The ECA board is mounted on the damper actuator . T o access the ECA board on economizers: • Remo ve the access panel located on the economizer section. • The electrical power must be disconnected to set the minimum position and c hec k the economizer . • [...]

Oper ation RT -SVX1 9A-E4 48 Figure 22 - Minimum fr esh air adjustment 1 = ECA board 1 2 3 4 1 2 1 2 1 2 1 2 1 2 1 2 1 2 EXF EXF M A T O AH AH / O A E O A T R A T R AH AH / R A E DCV DCV 2-10 VDC 2-10 VDC FEED FEED B A CK INPUT INPUT + - + - 2-10 VDC 2-10 VDC C ONT ONT R O L OUTPUT OUTPUT MIN POS. MIN POS. SETPOINT SETPOINT 0-50% 0-50% ABCD ABCD SE[...]

Oper ation 49 R T -SVX1 9A-E4 T est pr ocedur es Operating c hec klist before start-up • Unit is level, with sufficient clearance all round • Duct network is correctly siz ed according to the unit configuration, insulated, and water -tight • Condensate drainage line is correctly siz ed, equipped with a trap, and sloped • Filters are in posi[...]

Oper ation RT -SVX1 9A-E4 50 T est modes There are 2 methods in whic h the "T est" mode can be cycled with the test button: 1 . Step T est Mode This method initiates the different components of the unit, one at a time, by temporarily shorting across the two test terminals for two to three seconds. For the initial star t- up of the unit, t[...]

Oper ation 51 R T -SVX1 9A-E4 Unit start-up V erification of gas valve set tings - (Reserved for the qualified g as tec hnician) W ARNING! Improper gas valve setting may lead to burner destruction and people injury . Note: Unit factory -set for G20. Figure 23 - Gas v alve 1 = Negative pressure controller 2 = Safety solenoid valve 3 = Gas injector 4[...]

Oper ation RT -SVX1 9A-E4 52 T able 37 - Marking cat egory of the g as section in diff erent countr ies T able 38 - Gas burner data Country FR CH+ES-GB-IE-PT IT NL BE LU-DE A T -DK-Fl-SE Categ ory II2E+3P II2H3P II2H3+ II2L3P I2E+ & I3P I2E & I3P I2H T ype of gas Pressur e in mbar G20 20 20 20 - 20 20 20 G25 25 - - 25 25 20 - G31 37 37 37 3[...]

Oper ation 53 R T -SVX1 9A-E4 Starting the unit in cooling mode Before start-up, ensure that all power cables are tightened. V erify that the unit airflow rate is adjusted according to the information provided in the "Supply fan adjustment" section of this manual. T o star t the unit in cooling mode: • Place the zone sensor system switc[...]

Oper ation RT -SVX1 9A-E4 54 ReliaT el™ is a microelectronic control feature, whic h provides operating functions that are significantly different from conventional electro-mec hanical units. The master module is the ReliaT el™ Refrigeration Module (R TRM). The R TRM provides compressor antishort cycle timing functions through minimum "Off[...]

Oper ation 55 R T -SVX1 9A-E4 Low Ambient Operation During low ambient operation, outside air temperature below 13ºC, the R TRM will cycle the compressor and outdoor fan motor "Off" for approximately three minutes af ter every 1 0 minutes of accumulated compressor run time. The supply fan motor (IDM) will continue to operate during this [...]

Economizer Set-Up Adjusting the minimum position potentiometer located on the unit economizer Actuator (ECA) sets the required amount of ventilation air . T wo of the three methods for determining the suitability of the outside air can be selected utilizing the enthalpy potentiometer on the ECA, as described below: 1 . Ambient T emperature - contro[...]

Final installation chec klist • Is the condenser fan and indoor blower operating correctly , i.e.: correct rotation and without undue noise? • Are the compressors operating correctly and has the system c harge been c hec k ed? • Has the gas module been installed as per the procedure in this manual? • Have the voltage and running currents be[...]

Maint enance RT -SVX1 9A-E4 58 T o keep the unit operating safely and efficiently , the manufacturer recommends that a qualified service tec hnician c hec k the entire system at least once eac h year , or more frequently if conditions war rant it. End user r outine maintenance Some of the periodic maintenance functions for the unit can be undertake[...]

Note: Do not at tempt 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: R eplace permanent filters annually if washing fails to clean them, or they show signs of deterioration. Be sure to u[...]

Syst em Status Chec k out Procedur e "System Status" is c hec ked by using one of the following two methods: Method 1 If the Zone Sensor Module (ZSM) is equipped with a remote panel with LED status indication, you can c hec k the unit within the space. If the ZSM does not have LED's, use Method 2. THS/P03 have the remote panel indica[...]

Maint enance 61 R T -SVX1 9A-E4 Below is the complete listing of failure indication causes: Syst em f ailur e Chec k the voltage between terminals 6 and 9 on J6, it should read approximately 32 VDC. If no voltage is present, a system failure has occurred. R efer to Step 4 in the previous section for the recommended troubleshooting procedure. Heatin[...]

Zone T emperatur e Sensor (ZTS) Service Indicator The ZSM SER VICE LED is a generic indicator that will signal the closing of a Normally Open switc h at an y time, providing the Indoor Motor (IDM) is operating. This indicator is usually used to indicate a clogged filter , or an air side fan failure. The R TRM will ignore the closing of this Normall[...]

Maint enance 63 R T -SVX1 9A-E4 Zone T emperatur e Sensor (ZTS) T est Note:These pr ocedur es are not f or progr ammable or digital models and ar e conducted with the Zone Sensor Module electr ically r emov ed from the system. T est 1 Zone T emperatur e Thermist or (ZTEMP) This component is tested by measuring the resistance between terminals 1 and[...]

Literature order number R T -S VX1 9A-E4 Date 0805 Supersedes R T -SVX04A and RT -SVX05A Literature stoc king location Europe T rane has a policy of continuous product and product data improvement and reserves the right to c hange design and specifications without notice. Only qualified tec hnicians should perform the installation and servicing of [...]