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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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General information Foreword Warnings and cautions Reception These instructions are given as a Warnings and Cautions appear at On arrival, inspect the unit before guide to good practice in the appropriate sections throughout signing the delivery note. installation, start-up, operation, and this manual. Your personal safety In case of visible damage: The maintenance by the user, of Trane and the proper operation of this consignee (or the site TKD/TKH, WKD/WKH and YKD/YKH machine require that you
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General information Warranty Refrigerant Storage Warranty is based on the general The refrigerant provided by the Take precautions to prevent terms and conditions of the manufacturer meets all the condensate formation inside the manufacturer. The warranty is void if requirements of our units. When unit's electrical components and the equipment is repaired or using recycled or reprocessed motors when: modified without the written refrigerant, it is advisable to ensure 1. The unit is stored before
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Contents Foreword 2 Warnings and Cautions 2 Safety recommendations 2 Reception 2 Warranty 3 Refrigerant 3 Maintenance contract 3 Storage 3 Training 3 Installation 6 Reception of units 6 Roof curb installation 7 Dimensions/Weights/Clearances 8 Installing 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 performances 20 Electrical connection 26 Controls 31 Cont
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Contents Unit Options 40 Hot water coil 40 Electric Heater 41 Soft Starter 41 0 - 25% fresh air hood 42 Barometric relief 43 Operation 44 Operation with a conventional thermostat 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 ReliaTel™ Control Heating Operation 56 Ignition Module 56 Final installation checklist 57 Maintenance 58 End user routine maintenance
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Installation General information :The There are two ways to handle the installation must conform to all unit: local standards and regulations. 1. Use the openings in the wooden frame to handle the machine using a fork lift, in accordance Reception of units with applicable safety Rooftop unit regulations. The unit is supplied on a wooden 2. Use a lifting beam correctly frame. It is recommended to check adjusted to fit the unit the machine's condition upon (Figure 1a). reception. Unit handling The
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Installation Table 1 - Sling lengths and maximum unit weight Roof curb Installation (TKD-WKD-YKD Maximm weight Unit size A (mm) B (mm) kg accessories) 125 3000 1900 644 Roof curbs are available as an 155 3000 1900 773 accessory for "downflow" units to 175 3000 1900 810 support the unit and ensure the water tightness between the rooftop 400 3500 2200 1001 and the roof. Two types of roof 500 3500 2200 1027 curbs are available: The standard version to allow the installation of the unit on a flat ro
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Installation Dimensions/Weights/Clearances Figure 3 - Minimum clearances Table 2 - Minimum clearances (mm) 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/TKH 155 1900 1800 1220 1000 1300 TKD/TKH 175 1900 1800 1220 1000 1300 TKD/TKH 200 1900 1800 1220 1000 1300 TKD/TKH 250 1900 1800 1220 1000 1300 WKD/WKH 125 1900 1800 1220 1000 1300 WKD/WKH 155 1900 1800 1220
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Installation Installation Table 3a - Weigths & center of gravity (Figure 1) Maximum weight Corner Weight (1) Center of Gravity Shipping Net A B C D Length (L) Width (W) UNIT (kg) (kg) (kg) (kg) (kg) (kg) (mm) (mm) YKD/YKH 155 866 698 243 176 118 162 1143 737 YKD/YKH 175 902 735 251 188 127 169 1168 737 YKD/YKH 200 1128 920 324 242 151 203 1321 838 YKD/YKH 250 1154 946 327 251 159 208 1346 838 TKD/TKH 155 790 623 219 159 103 142 1143 711 TKD/TKH 175 827 660 227 172 112 149 1168 711 TKD/TKH 200 10
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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. Place the Figure 4 adhesive seals on the curb's sealing surface (perimeter and cross pieces). Make the rooftop leak-tight around the curbs before installing the unit, in compliance with current construction standards. Note: The unit must be installed
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Installation . Installation of a section of Connection of duct flexible ducts to limit network transmission of the unit's vibrations 1) Downflow discharge units (TKD,WKD,YKD) . Use of movable vanes or deflectors to reduce the sound Using the rooftop curb level. The rooftop curb must be insulated on the outside walls at 2) Horizontal discharge units the discharge and intake (TKH,WKH,YKH) openings to prevent The intake and discharge ducts condensation in the ducts. must be insulated (thermal
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Installation 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 be sure to fill with water before starting the unit. Pitch the line downward, away from the unit to avoid long, level, horizontal runs. 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 12 R RT T-S -SVX
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Installation CAUTION! Should the pressure at CAUTION!The gas pipework must Gas pipework installation the unit valve gas inlet be higher not exert any stress on the burner The installation must conform to all than 0.035 bar, an expansion valve gas connection. standards and regulations. must be installed. Note: Expansion valve must be The gas supply pipework and gas The pipework must be self- adapted to the type of gas used: stop valve to be installed near the supporting and the final connectio
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Installation CAUTION! Do not operate unit Filter installation without filters in place. To gain access to filters, remove the The maximum pressure drops supply fan access panel on allowable on filters are: downflow units and the filter access panel on the end for horizontal EU2/G2: 120 Pa units. EU4/G4: 150 Pa Each unit ships with 40 or 50 mm thick filters. Number and size of filters is determined by size and configuration of the unit. Table 5 - Filter arrangement EU2/G2 EU4/G4 UNIT Qty Size Qty
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Installation b. Add static pressure drop of the 2. Using the Tables 10 through 20 to Supply fan adjustment accessories installed on the find the external static pressure Use the following procedure to unit. (Table 7,8 & 9) that most closely approximates determine the proper adjustment of c. Add the total accessory static total system external static the supply fan for a specific pressure drop (from step 1b) to pressure. Then locate the application. the design external static appropriate airflow
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Installation Figure 9 - Typical fan, motor, and sheave To increase airflow assembly Loosen variable sheave set screw and turn sheave clockwise. To decrease airflow Loosen variable sheave set screw and turn sheave counter-clockwise. To increase belt tension Loosen the nut (next to the idler sheave) that secures the sheave in place. With a wrench, apply pressure clockwise on the outside nut (round headed one), until tension desired is reached. While holding pressure with the tension nut, retighte
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Installation Component air pressure drops Table 7 - YKD/YKH Pressure drop through accessories Filter Filter Economizer Economizer 100% 100% Airflow EU2/G2 EU4/G4 outside air return air 6800 13 27 8 6 7650 16 30 10 7 YKD/YKH 155 8500 19 34 12 8 9350 22 37 14 9 10200 26 40 16 10 7870 17 30 10 7 8860 21 34 12 8 YKD/YKH 175 9850 25 38 15 9 10840 30 43 17 11 11830 35 47 20 12 8970 12 26 29 6 10090 15 30 37 8 YKD 200 11210 19 33 45 9 12330 23 37 55 11 13450 27 41 65 13 8970 11 23 33 6 10090 14 26 41
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Installation Table 8 - TKD/TKH Pressure drop through accessories Filter Filter Economizer Economizer Electric Hot water coil 100% 100% Airflow EU2/G2 EU4/G4 heater Downflow only outside air return air 6800 13 27 8 6 7 33 7650 16 30 10 7 9 40 TKD/TKH 155 8500 19 34 12 8 11 48 9350 22 37 14 9 13 56 10200 26 40 16 10 16 65 7870 17 30 10 7 10 42 8860 21 34 12 8 13 51 TKD/TKH 175 9850 25 38 15 9 16 61 10840 30 43 17 11 19 72 11830 35 47 20 12 23 83 8970 12 26 29 6 13 33 10090 15 30 37 8 17 40 TKD 20
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Installation Table 9 - WKD/WKH Pressure drop through accessories Economizer Economizer Filter Filter 100% 100% Electric Hot water coil Airflow EU2/G2 EU4/G4 outside air return air heater Downflow only 5720 9 21 6 5 4 37 6430 11 24 7 6 6 45 WKD/WKH 125 7140 14 27 9 6 7 53 7850 17 30 10 7 9 62 8560 20 33 12 8 12 72 6800 13 27 8 6 7 33 7650 16 30 10 7 9 40 WKD/WKH 155 8500 19 34 12 8 11 48 9350 22 37 14 9 13 56 10200 26 40 16 10 16 65 8970 12 26 29 6 13 33 10090 15 30 37 8 17 40 WKD 200 11210 19 33
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Installation Supply fan performances Table 10 - YK 155 External static pressure External Static Pressure (Pa) 25 50 75 100 125 150 175 200 225 250 3 m /h RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) RPM (kW) 6800 564 1 587 1.07 610 1.15 633 1.23 655 1.31 677 1.39 7650 560 1.14 583 1.23 605 1.31 627 1.39 648 1.48 669 1.56 690 1.65 710 1.74 8500 559 1.31 584 1.41 606 1.5 628 1.6 649 1.69 669 1.78 689 1.87 708 1.97 727 2.06 746 2.16 9350 610 1.72 633 1.83 654 1.
