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Trane Odyssey 6 to 25 Tons Installation and Maintenance Manual

1. inira Horizontal Suspension Brom Auxiliary Drain Refrigerant Piping Condensate Filter Duct ConnecuohlSz scs ehe boas Air Flow Settings Standard Units 45s SZVAV Units 2 Speed VFD Units Minimum Supply Fan Output Electrical Connections DE COINS e EDC Switch Wiring Heating and Cooling Setpoint PAE DILE AU OTI sse re Ea Checkout Procedure Installation Checklist Thermostat and Control CONNGCUONSs uy Electromechanical Controls ReliaTel Controls pus 60 Hz Models 50 Hz Sequence Variable Air Volume Applications SZVAV pali dd e edo oa 2 Speed VFD Applications Maintenance Fan Belt i sie a dai cae cata aaa ea as Annually Cooling Season Coll Gleanitig assi antes ico aca Seen bt Maintenance 0
2. gt 3 CL Note The potentiometer voltage readings can be verified via the provided test points located next to each potentiometer Use a DC voltmeter to the Vdc reading between those points and common Checkout Procedure Complete the Installation Checklist p 28 once installation of field wiring connections is complete All operational checks unit running must be made after the outdoor unit is installed and system Lj Verify that the unit electrical power is disconnected verify that all recommended procedures have been accomplished before the system is started Operational checks cannot be performed until the outdoor unit is installed and system interconnection is complete interconnection is complete Inspect all field wiring connections All connections should be clean and tight Installation Checklist A WARNING Inspect unit ground connection s Ground must comply with all applicable codes Inspect unit suspension arrangement if used Unit Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Complete this checklist once the unit is installed to 28 position must be secure Remove any tools or debris found in or near the unit Inspect duct outlets Outlets must be open an
3. Wiring Diagram Matrix SSA SVXO0GE EN Model Number Description Air Handler T WE 240 E 123 456 7 T WE 201 E 123 456 7 Note When ordering replacement parts or requesting service be sure to refer to the specific model number serial number and DL number if applicable stamped on the unit nameplate DIGITS 1 3 Product Type TWE Split System Heat Pump Cooling Air Handler DIGITS 4 6 Nominal Gross Cooling Capacity MBh 061 5 Tons 60 Hz 090 7 5 Tons 60 Hz 120 10 Tons 60 Hz 150 2 12 5 Tons 60 Hz 180 2 15 Tons 60 Hz 240 20 Tons 60 Hz 300 25 Tons 60 Hz 051 2 4 6 Tons 50 Hz 076 6 25 Tons 50 Hz 101 2 8 33 Tons 50 Hz 126 2 10 4 Tons 50 Hz 156 2 13 0 Tons 50 Hz 201 16 7 Tons 50 Hz 251 20 9 Tons 50 Hz DIGIT 7 Major Development Sequence 1 sequential alpha character SSA SVX06E EN 00 910 11 12 00 910 11 12 D Single Refrigeration Circuit E Dual Refrigeration Circuit DIGIT 8 Electrical Characteristics 3 208 230 60 3 4 460 60 3 W 575 60 3 D 380 415 50 3 K 380 60 3 DIGITS 9 10 Factory Installed Options 00 Packed Stock Standard 03 2 Speed Variable Frequency Drive VFD standard motor electromechanical condenser only 04 2 Speed Variable Frequency Drive VFD oversized motor electromechanical condenser only R3 Single Zone Variable Air Volume VFD standard motor
4. 20 1 16 191 16 433 4 16 1 4 16 3 4 509 6 349 2 412 8 425 5 484 2 FILTER ACCESS PANEL 22 559 MIN DISTANCE BOTH SIDE LIQUID LINES SEE NOTES 2 3 4 1 5 16 33 3 1 5 8 41 3 3 5 8 92 1 4 HOLE FOR HORIZONTAL 1 3 16 30 2 45 4 8 SUSPENSION 1146 2 6 3 4 171 5 54 1 16 13732 93 d 10 7 16 SSA SVX06E EN SIDE RETURN BOTTOM RETURN SUPPLY VERTICAL COPPER LIQUID LINE FIELD CONNECTION COPPER SUCTION LINE FIELD CONNECTION 20 1 16 509 6 16 3 4 16 1 4 13 3 4 425 5 412 8 349 3 1 5 16 33 3 SEE NOTES 2 3 4 1 5 8 41 3 4 H 3 5 8 92 1 SUPPLY OPENING 4 HOLE FOR HORIZONTAL SUSPENSION BOTTOM RETURN FILTER SIDE RETURN SUPPLY HORIZONTAL RETURN HORIZONTAL RETURN VERTICAL RETURN VERTICAL RETURN HORIZONTAL 15 Dimensional Data Figure 10 8 33 10 ton air handler single circuit NOTES 1 PANEL DEPTH 1 2 12 7 TYP ALL PANELS 2 REMOVABLE DRAIN PAN AND ATTACHED DRAIN CONNECTION MAY BE INSTALLED ON END L 29 1 27 0 OF UNIT IN EITHER THE VERTICAL OR HORIZONTAL CONFIGURATION PLASTIC DRAIN PAN 647 7 ACCESS PLATE ON THE END OF UNIT OPPOSITE DRAIN CONNECTION MUST BE REMOVED TO 46 1 4 70 17 8 SLIDE DRAIN PAN OUT OF UNIT FOR CLEANING ACCESS PLATE MUS
5. 21 13 16 554 19 1 8 18 3 8 1 11 16 42 9 41 15 16 49 2 3 3 8 85 7 SEE NOTES 2 3 4 4 101 6 92 9 16 1 41 16 2351 1 42 9 89 3 16 2265 4 95 8 244 5 ho 71 7 8 1825 6 1290 6 y y 11 7 16 290 5 y 50 13 16 SSA SVX06E EN SIDE RETURN BOTTOM RETURN 4 HOLE FOR HORIZONTAL SUSPENSION SUPPLY VERTICAL RETURN HORIZONTAL RETURN VERTICAL 485 8 466 7 I 1 1 9 16 39 7 H 1 7 8 47 6 3 1 4 82 5 gt 3 7 8 98 4 4 HOLE FOR HORIZONTAL SUSPENSION SUPPLY OPENING SUPPLY HORIZONTAL RETURN VERTICAL RETURN HORIZONTAL 19 Weights Air Handler Table 1 Standard air handler TWE unit and corner weights 60 Hz fons Model Shipping Net Max Corner Weights Vertical Corner Weights Horizontal Number e a a a Ts Ta 75 rweosoore xs oo se 92 ss Table 2 SZVAV and 2 Speed VFD air handler TWE unit and corner weights 60 Hz Model Shipping Net Corner Weights Vertical Corner Corner Weights Vertical Vertical mom es a a I s a a Pa pats TWEO90E ss se 92 s iss D puc us s par n p 125 weist 750 6 6 168 192 181 i96 164
6. 508 CONTROL BOX i COPPER LIQUID LINE ACCESS PANEL FIELD CONNECTION 2 2 REMOTE BULB TXV COPPER SUCTION LINE EE NOTE 2 S OTE 2 3 5 SUCTION LINE FIELDSGONNECTION 25 1 8 31 8 n 211 2 22 21 1 2 i 12 304 8 401 6 4651 474 7 474 6 466 7 401 64 I I i FILTER ACCESS PANEL L 1 5 16 33 3 2 50 8 22 559 MIN Ila aag 2 5 16 58 7 DISTANCE 2e BOTH SIDE n 2 7 16 62 4 1 8 104 8 4 1 4 108 LIQUID LINES SEE NOTES 2 3 4 4 HOLE FOR HORIZONTAL SUSPENSION 79 5 8 4 HOLE FOR ee SUPPLY OPENING HORIZONTAL 1 3 16 77 3 16 SUSPENSION 30 2 1960 6 BOTTOM RETURN l 9 5 8 244 5 SIDE RETURN 69 1 16 48 1754 2 4219 2 FILTER 18 BOTTOM RETURN SIDE RETURN SUPPLY VERTICAL RETURN HORIZONTAL RETURN VERTICAL SUPPLY HORIZONTAL RETURN VERTICAL RETURN HORIZONTAL SSA SVXO0GE EN Dimensional Data Figure 13 16 7 20 9 20 25 ton air handler dual circuit REMOVABLE DRAIN PAN AND ATTACHED DRAIN CONNECTION MAY BE INSTALLED ON END OF UNIT IN EITHER THE VERTICAL OR HORIZONTAL CONFIGURATION PLASTIC DRAIN PAN ACCESS PLATE ON THE END OF UNIT OPPOSITE DRAIN CONNECTION MUST BE REMOVED TO SLIDE DRAIN PAN OUT OF UNIT CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF 4
7. single point power entry or dual point power entry is field optional Single point power entry option 15 through electric heater only 2 Choose only one ofthe following Thermostat Zone Sensor or NSB Panel 29 Installation Figure 26 ReliaTel jobsite connections Disconnect Switch By Others Note 2 N Electric nd Heat Accessory By Others Note 2 Disconnect Switch By Others NSB Panel Sensor 30 a non gt 3 power wires line voltage for 3 phase 2 power wires for single phase 3 power wires line voltage for 3 phase 2 power wires for single phase Cooling only thermostat 3 to 7 wires depending on stages of electric heat Heat Pump thermostat 5 to 8 wires depending on stages of electric heat 3 to 7 wires depending on type of outdoor unit s Zone Sensor 4 to 10 wires depending on zone sensor model a Night Setback Panel 7 wires For SZVAV air handlers 4 additional wires are required 2 of which require twisted pair or shielded wire in order to make connections between ReliaTel boards in the condenser and air handler SSA SVXO0GE EN Electrical Data 60 Hz Models Includes Standard SZVAV and 2 Speed VFD air handlers Table 11 Voltage operating range all air handlers Model Number Electrical Unit Operating Digit 8 Characteristics Voltage Range Table 12 Electrical characteristics standard and low static motors 60 Hz standard air
8. 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 5 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION HORIZONTAL CONFIGURATION 31 1 8 e 790 6 DUCT FLANGE M6 516 NOTES 1 25 4 414 3 1 PANEL DEPTH 1 2 12 7 TYP ALL PANELS HEIGHT 4 15 16 125 4 2 18 7 8 SLIDING DRAIN PAN BACK INTO UNIT 3 DRAIN PAN CONNECTION AT END OF UNIT SUPPLY OPEN 92 9 16 2351 1 HEATER CONTROL AND SINGLE POWER _ a 6 7 16 163 5 L ENTRY WIRES CONTROL WIRING LINE VOLTAGE CONTROL BOX ACCESS PANEL DRAIN CONNECTION FOR HORIZONTAL 18 5 8 473 1 31 1 8 20 1 53 SIDE RETURN SIDE RETURN 20 1 53 5 46 1 8 RETURN BOTTOM RETURN L S S 25 3 2 15 16 76 2 4 6 4 3 4 83 1 8 4 3 4 83 1 8 120 6 2111 4 120 6 2111 4 4 1 4 108 20 508 12 13 16 325 4 REMOTE BULB TXV SUCTION LINE COPPER LIQUID LINE FIELD CONNECTION COPPER SUCTION LINE SEE NOTE 2 3 5 28 1 2 S 724 i 12 7 8 327 FILTER ACCESS PANEL 22 559 MIN DISTANCE BOTH SIDE LIQUID LINES 19 1 8 21 3 8 24 13 16 542 9 554 I 1 18 3 8 15 7 8 25 1 2 647 7 25 1 2 647 7
9. E 63 1 2 HORIZONTAL 4 HOLE FOR 1613 SUSPENSION HORIZONTAL SUSPENSION 61 1 8 1552 6 1 3 16 30 2 SUPPLY OPENING 6 3 4 BOTTOM RETURN 171 45 1 SIDE RETURN 36 7 8 54 1 16 936 63 1373 2 FILTER SIDE RETURN BOTTOM RETURN 10 7 16 265 1 y SUPPLY HORIZONTAL RETURN VERTICAL RETURN HORIZONTAL SUPPLY VERTICAL RETURN HORIZONTAL RETURN VERTICAL 16 SSA SVXO0GE EN Dimensional Data Figure 11 8 33 10 ton air handler dual circuit NOTES 1 PANEL DEPTH 1 2 12 7 TYP ALL PANELS L 25 4 2 2 REMOVABLE DRAIN PAN AND ATTACHED DRAIN CONNECTION MAY BE INSTALLED ON END 647 7 OF UNIT IN EITHER THE VERTICAL OR HORIZONTAL CONFIGURATION PLASTIC DRAIN PAN ACCESS PLATE ON THE END OF UNIT OPPOSITE DRAIN CONNECTION MUST BE REMOVED TO s MGE 16 1 4 70 17 8 SLIDE DRAIN PAN OUT OF UNIT FOR CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER 1 254 412 7 SLIDING DRAIN PAN BACK INTO UNIT HEIGHT 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN PAN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 19 11 16 5 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE
10. compressors As the zone cooling demand continues to increase if additional capacity is required the supply fan output will be modulated above minimum speed in order to meet the zone requirements Note that the supply fan speed will remain at the compressor stage s associated minimum value until the control requires additional capacity to meet the zone demand As the cooling load in the zone decreases the control will reduce the speed of the fan down to minimum per compressor stage and control the compressor outputs accordingly As the compressors begin to de energize the Supply Fan speed will fall back to the Cooling Stage s associated minimum fan speed but not below As the load in the zone continues to drop cooling SSA SVX06E EN capacity will be reduced in order to maintain the calculated discharge air setpoint Cooling Stages Minimum Fan Speed As the unit begins to stage compressors to meet the cooling demand the following minimum Supply Fan Speeds will be utilized for each corresponding Cooling Stage Note that the Supply Fan Speed will be allowed to ramp up beyond the minimum speed in order to meet the zone cooling demand The minimum fan speed for units with 2 stages of DX Cooling will be 58 of the unit s full airflow capacity At Stage 1 of DX Cooling the Fan Speed will be at a minimum of 5896 and at Stage 2 of DX Cooling the Fan Speed will be at a minimum of 8096 Occupied Heating Operation Occupied Heating opera
11. 171 Table3 Standard air handler TWE unit and corner weights 50 Hz Tons Model Shipping Net Max Corner Weights Vertical Corner Weights Horizontal Number bs 3 2 s a 29 ss zr 5 5 9 9 s m pom pem pom pe Figure 14 Vertical TWEO51 076 101 061 090 120 Control Box Access 1 2 4 Top View 3 20 SSA SVX06E EN Figure 15 Vertical TWE126 156 201 251 150 180 240 300 Control Box Access Top View ix Figure 16 Horizontal TWEO51 076 101 061 090 120 Top View Control Box Access Air Flow Figure 17 Horizontal TWE126 156 201 251 150 180 240 300 1 f Control SSA SVX06E EN Weights 21 Installation Horizontal Suspension If the air handler will be suspended use a suspension mounting kit to isolate the unit from the structure This is usually accomplished with spring or rubber isolators which are offered as an accessory Mounting rods must be field supplied Isolator selection is dependent upon total unit weight including accessories see Weights p 20 for approximate unit weights NOTICE Equipment Damage Before hanging the unit on suspension rods reinforce the cabinet around the suspension holes by using a large washer inside the cabinet Washers should be between the skin of the air handler a
12. 49 0 50 0 s twersoew PETRO TN N BAYHTRM310 7 51 10 00 37 8 41 6 45 0 45 0 TWE180E3 BAYHTRM320 14 96 19 92 EE 63 7 71 4 70 0 80 0 BAYHTRM330 22 47 29 92 89 8 101 5 90 0 110 0 BAYHTRM350 37 44 49 84 2271 141 6 161 4 150 0 175 0 15 TWE180E3 9 460 3 60 BAYHTRM430 29 92 BAYHTRM450 49 84 31 0 9 _ 99 js esae ie dosi BAYHTRM310 7 51 10 00 L3 44 1 49 0 60 0 60 0 208 230 3 60 N N 5 EE BAYHTRM320 14 96 19 92 71 0 79 0 80 0 90 0 BAYHTRM330 22 47 29 92 97 0 109 0 100 0 110 0 BAYHTRM350 37 44 49 84 EE 149 0 169 0 5 150 0 175 0 BAYHTRM420 19 92 2 TWE240E4 460 3 60 NIN 9 o 3 x 9 M 359 3 e 9 N SSA SVX06E EN 35 Electrical Data Table 15 Unit wiring with electric heat single point connection 5 25 ton standard air handlers 60 Hz continued Heater Model Heater kW Unit Power Control Minimum Circuit PERNU SE Tons or HACR Circuit Number Ampacity Breaker Size BAYHTRM310 7 51 10 51 0 53 0 60 0 90 0 BAYHTRM320 14 96 19 92 1 77 0 83 0 85 0 90 0 rwE3oges PAYHTRM320 me EN BAYHTRM330 22 47 29 92 103 0 113 0 110 0 125 0 BAYHTRM350 37 44 49 84 155 0 173 0 175 0 175 0 rwE3ooe4 PAYHTRM420 eee xe SESS d Notes 1 kW ratings are
13. 80 100 110 150 175 37 Electrical Data Table 16 Unit wiring with electric heat single point connection 75 25 ton SZVAV and 2 Speed VFD air handlers 60 Hz continued Tons I N N N O O eo N O Heater Model Number BAYHTRMW10 BAYHTRMW20 BAYHTRMW30 BAYHTRMW50 BAYHTRM310 BAYHTRM320 BAYHTRM330 BAYHTRM350 BAYHTRM310 BAYHTRM320 BAYHTRM330 BAYHTRM350 BAYHTRM410 BAYHTRM420 BAYHTRM430 BAYHTRM450 BAYHTRM410 BAYHTRM420 BAYHTRM430 BAYHTRM450 BAYHTRMW10 BAYHTRMW20 BAYHTRMW30 BAYHTRMW50 BAYHTRMW10 BAYHTRMW20 BAYHTRMW30 BAYHTRMW50 BAYHTRM310 BAYHTRM320 BAYHTRM330 BAYHTRM350 BAYHTRM310 BAYHTRM320 BAYHTRM330 BAYHTRM350 BAYHTRM410 BAYHTRM420 BAYHTRM430 BAYHTRM450 BAYHTRM410 BAYHTRM420 BAYHTRM430 BAYHTRM450 Heater KW Rating 7 51 10 00 14 96 19 92 22 47 29 92 37 44 49 84 7 51 10 00 14 96 19 92 22 47 29 92 37 44 49 84 7 51 10 00 14 96 19 92 22 47 29 92 37 44 49 84 7 51 10 00 14 96 19 92 22 47 29 92 37 44 49 84 Minimum Circuit Ampacity Maximum Fuse or HACR Circuit Breaker Size Control Stages Unit Power Supply 575 3 60 38 42 40 45 64 72 70 80 208 230 3 60 90 102 90 110 142 162 150 175 43 47 45 50 69 77 70 80 208 230 3 60 95 107 100 110 147 167 150 175 36 40 460 3 60 51 60 81 90 23 25 38 40 460 3 60 53 60 83 90 20 30 575 3 60 45 70 19 20 3
14. Damage Do not apply heat to remove seal caps until the gauge port cores have been removed If seal caps are intact application of heat may generate excessive pressure in the unit and result in damage to the coil or expansion valve The air handler is designed so that refrigerant piping can enter from either the right or left hand side It is shipped with the intent that the refrigerant lines will enter from the left hand side To convert to right hand entry unbraze the elbow on the suction line and rotate 180 and rebraze Important Access to refrigerant lines is limited in all horizontal and some vertical applications Therefore refrigerant lines should be stubbed out and temporarily capped prior to setting the air handler Protect adjacent surfaces from heat damage when brazing in and around the air handler Installations Limitations and Recommendations NOTICE System Component Damage Properly insulate all refrigerant gas piping to prevent possible water damage due to condensation and to prevent capacity loss and possible compressor damage The general location of the air handler is normally selected by the architect contractor and or buyer For proper installation the following items must be considered e Available power supply must agree with electrical data on component nameplate e If external accessories are installed on the unit additional clearances must be provided e All duct work should be prop
15. SUCTION LINE 42 9 FIELD CONNECTION REMOTE BULB TXV DRAIN CONNECTION FOR HORIZONTAL 1 3 8 34 9 O D SUCTION LINE SEE NOTE 2 3 5 139 16 4 x 344 5 52 12 13 9 16 344 5 3048 304 8 gt 99 25 15 FILTER ACCESS PANEL 99 25 15 SEE NOTES 2 3 4 22 558 8 MIN DISTANCE H 551 3 8 34 9 1 3 8 BOTH SIDE 34 9 SEE NOTES 2 3 4 4 HOLE FOR HORIZONTAL SUSPENSION 35 5 8 904 9 SUPPLY OPENING 3 34 9 16 1220 8 10 7 16 265 1 12 4 HOLE FOR HORIZONTAL SUSPENSION BOTTOM RETURN SIDE RETURN SUPPLY HORIZONTAL RETURN VERTICAL RETURN HORIZONTAL SUPPLY VERTICAL RETURN HORIZONTAL RETURN VERTICAL SSA SVXO0GE EN Dimensional Data Figure 7 5 ton air handler dual circuit 50 12 7 22 5 8g DUCT FLANGE 1 25 4 HEIGHT 6 15 16 176 2 574 7 412 8 24 1 16 611 2 HEATER CONTROL AND SINGLE POWER ENTRY WIRES HEATER VENTILATION CONTROL WIRING LINE VOLTAGE CONTROL BOX ACCESS PANEL 1 11 16 42 9 DRAIN CONNECTION FOR HORIZONTAL SEE NOTE 2 3 5 20 1 16 509 6 FILTER ACCESS PANEL 22 558 8 MIN DISTANCE BOTH SIDE LIQUID LINES SEE NOTES 2 3 4 1 in 34 9 16 48 1 16 877 9 1220 8 10 7 16 265 1 T SSA SVX06E EN 16 1 4 4 scc P
16. Weights p 20 for approximate unit weights The crated unit can be moved using a forklift of suitable capacity For lifting the unit into an elevated mounting position run lifting straps or slings under the unit and attach securely to the lifting device Repositioning Drain Pan Air handlers come with one drain pan that can be installed in any one of four positions this allows for vertical or horizontal application and right or left condensate line connection Note Important All air handlers are shipped with the drain pan installed in the horizontal position and the connection on the left side as shown in Figure 1 p 8 lf an alternate position is required the drain pan should be repositioned before setting the air handler 1 Remove the access plate at the opposite end of the drain connection This plate secures and lifts the back end of the drain pan for sloping It must be removed before the drain pan can be removed This is done as follows a Remove the screw b Lift the access plate up c Pull the plate out If the drain pan is to be moved to the vertical position also remove the other two access plates 2 Remove the screw securing the drain pan a Liftthe pan up b Slide the pan out 3 Install the drain pan into the new position Pre Installation a Slide the drain pan into the opening Figure 2 Drain pan relocation b Liftthe drain pan up EU c Pushitin all the way P er S qA d D
17. are used on constant volume units in addition to two new setpoints Discharge Air Cool Externally Mounted Potentiometer in Control Box and Discharge Air Heat DA Heat R 42 Setpoint limits The Zone Heating and Cooling Setpoints will be selectable via the existing RTRM customer connections for a Zone Sensor panel and the DA Heat and Cool Setpoints will be customer selectable via an onboard potentiometer on the RTOM and an off board potentiometer mounted inside the control box with ranges 50 150 F and 40 90 F respectively The setpoint tables should be used as a reference when setting the DA Heat R 42 and Discharge Air Cool Control Box Mounted Potentiometer setpoints Note that the recommended settings for these setpoints are 100 F for the DA Heat Setpoint and 50 F for the DA Cool Setpoint Vdc Vdc F 172 105 2 13 1 83 111 2 20 6 112 2 21 7 8 9 0 27 3 3 3 3 3 3 3 3 4 Installation Table 9 DA heat setpoint continued Voltage Setpoint Voltage Setpoint Voltage Setpoint Voltage Setpoint Vdc 9F Vdc 9F Vdc 9F Vdc F m m 22 3 a eee 1 95 2 29 w oa C s oae 22 9 29 3m 2 39 Low 20 oom 2 39 o9 2 3m Co 2m o p o9 Table 10 DA cool setpoint mounted above keyboard 2 T 3 o s a gt s C gt s s a o e 2 6 3 s 3 9 2 9 x x
18. handler Standard Evaporator Fan Motor Low Static Evaporator Fan Motor 7 5 15 TWE061D1 E1 TWE061D1 E1 TWE061D3 E3 TWE061D3 E3 TWE061D4 E4 TWE061DW TWEO90D1 E1 TWEO90D1 E1 TWE090D3 TWE090D3 TWEO90DK EK TWE090D3 TWEO90DW EW TWE120D1 E1 TWE120D1 E1 TWE120D3 E3 TWE120D3 E3 TWE120DK EK TWE120D3 E3 TWE120DW EW TWE150E3 TWE150E3 TWE150EK TWE150E3 TWE150EW TWE180E3 TWE180E3 TWE180EK TWE180E3 TWE180EW 2 2 2 2 2 2 2 2 2 2 2 2 3 3 5 3 3 1 1 1 1 1 3 1 3 1 3 1 3 1 1 1 1 1 3 1 3 1 3 1 3 1 3 1 1 1 1 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 SSA SVX06E EN Electrical Data Table 12 Electrical characteristics standard and low static motors 60 Hz standard air handler continued Standard Evaporator Fan Motor Low Static Evaporator Fan Motor Void FLA LRA 1 3 9 4 74 9 30 1 3 9 2 74 9 15 N A N A N A N A 15 b 3 4 6 39 3 15 1 3 3 4 24 6 40 1 40 1 20 20 1 15 1 19 6 150 25 40 Table 13 Electrical characteristics high and ultra high static motors 60 Hz standard air handler Unit Model Number 14 0 90 8 13 6 103 0 8 1 63 5 6 6 44 8 5 3 36 2 19 6 150 0 17 8 150 0 10 9 72 9 8 9 75 0 7 1 60 0 TWE240E3 TWE240E3 TWE240EK TWE240E4 TWE240EW TWE300E3 TWE300E3 TWE300EK TWE300E4 TWE300EW Note For additional information contact product support
19. reading is outside the range The fan belts must be inspected periodically to assure readjust the belt tension proper unit operation Replacement is necessary if the Note Actual belt deflection force must not belts appear frayed or worn exceed the maximum force value shown in When removing or installing the new belts do not Figure 27 p 44 stretch them overthe sheaves Loosen the belts using Recheck the belt tension at least twice during the the belt tension adjustment bolts on the motor first 2 to 3 days of operation Belt tension may mounting base decrease until the new belts are run in Once the new belts are installed using a Browning or Gates tension gauge or equivalent adjust the belt tension as follows Deflection Belt Span in 64 Deflection Belt Span mm Figure 27 Belt tension gauge 1 To determine the appropriate belt deflection a Measure the center to center shaft distance in inches between the fan and motor sheaves Force Scale Small O Ring 55554 b Divide the distance measured in Step 1a by 64 the resulting value represents the amount of belt deflection that corresponds to the proper belt tension 2 Setthe large O ring on the belt tension gauge at the Large Span Scale deflection value determined in Step 1b 3 Setthe small O ring at zero on the force scale of the Table 20 Belt tension measurement and deflection Deflect
20. remove dust If symptoms persist seek medical attention Skin Contact Wash affected areas gently with soap and warm water after handling Air handlers are shipped with throwaway filters installed For replacement filters consult the air handler service facts for correct size and number 23 Installation To replace filters from the end of the unit remove lower access panel either end and slide old filters out and replace with new ones To replace from the front of the unit remove one L shaped angle Remove and replace filters and reinstall shaped angle See Figure 20 p 24 To convert from 1 filter to a 2 filter on units so equipped remove lower access panels from both ends of the air handler Remove screws and rotate the L shaped angles from both the top and bottom of the filter track 180 to increase the width of the filter opening Figure 20 Filter location Filter Frame Duct Connections The supply and return ducts should be connected to the unit with flame retardant duct connectors to reduce vibration transmission The return duct should be sized to the same dimensions as the return inlet of the unit Important Duct flanges are provided for attachment of the duct work and are packaged on the outside of the cabinet for TWE150 180 240 300 TWE 126 156 201 251 The duct flanges are fastened to the pallet below the coil bottom re
21. single circuit NOTES 50 12 7 T 1 PANEL DEPTH 1 2 12 7 TYP ALL PANELS 574 7 2 REMOVABLE DRAIN PAN AND ATTACHED DRAIN CONNECTION MAY BE INSTALLED ON END DUCT FLANGE em OF UNIT IN EITHER THE VERTICAL OR HORIZONTAL CONFIGURATION PLASTIC DRAIN PAN 1 25 4 19 6 ACCESS PLATE ON THE END OF UNIT OPPOSITE DRAIN CONNECTION MUST BE REMOVED TO HEIGHT 16 qae SLIDE DRAIN PAN OUT OF UNIT FOR CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER 412 8 SLIDING DRAIN PAN BACK INTO UNIT 6 15 16 176 2 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN PAN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 5 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION HORIZONTAL CONFIGURATION 24 1 16 37 15 16 611 2 963 6 12 7 16 13 5 16 79 16 HEATER CONTROL AND SINGLE POWER ENTRY WIRES I L 25 16 1 3 4 58 7 39 16 44 45 HEATER 174 6 7 90 5 VENTILATION 2 3 4 32 1 2 32 1 2 2 3 4 7 574 7 69 9 825 5 825 5 69 9 CONTROL WIRING 3 7 16 87 3 COPPER LIQUID LINE 5 15 16 FIELD CONNECTION LINE VOLTAGE 150 8 49 4 46 335 CONTROL BOX ACCESS PANEL 1 41 16 COPPER
22. units Supply Fan Mode ON Operation For active unit control with the Supply Fan Mode set to ON the unit will energize the Supply Fan and hold the Fan Speed output at minimum speed until there is a request for the fan speed to increase This will hold true for all cases except during Unoccupied periods in which the Supply Fan Mode is forced to AUTO and will operate the Supply Fan as described above for all Cooling and Heating requests Supply Air Temperature Control Cooling For Cooling operation the unit will control the active Capacity outputs to meet a varying calculated Discharge Air Setpoint that is calculated based on zone conditions in order to maintain the Zone Temperature to the active Zone Setpoint Note that this setpoint will be clamped between the user selected DA Heat and DA Cool setpoints for compressor control In general as the zone temperature rises above the ZCSP the Active Discharge Air Setpoint will be calculated down This calculated setpoint is a direct indication of space 42 demand and is also used to determine the proper supply fan speed to meet the space requirements During active capacity control the unit will utilize a 3 5 F deadband around the active Discharge Air Setpoint to determine when to request additional cooling capacity If the unit is maintaining the discharge air temperature within the 3 5 F deadband around the calculated discharge air setpoint requirements no additional capaci
23. 08 230 60 3 2313 0431 2313 0451 2313 0453 1213 1400 1213 1401 TWEO90E4 7 5 Dual 460 60 3 2313 0431 2313 0451 2313 0453 1213 1400 1213 1401 TWEO90EW 7 5 Dual 575 60 3 2313 0431 2313 0451 2313 0453 1213 1400 1213 1401 TWEOSOEK 75 Dua 3s eo 3 2313 0431 TWE120D3 208 230 60 3 2313 0401 2313 0451 2313 0453 1213 1400 1213 1401 TWE120DW For r 2313 0401 2313 0451 2313 0453 1213 1400 1213 1401 TEizoDk 10 Single 380 eo 3 2313 0401 TWE120E3 208 230 2313 0431 2313 0451 2313 0453 1213 1400 1213 1401 TWE120EW 10 Dual 575 60 3 2313 0431 2313 0451 2313 0453 1213 1400 1213 1401 10 Dua 3s eo 3 2313 0431 TWE150E3 208 230 2313 0431 2313 0451 2313 0453 1213 1400 1213 1401 TWE150EW 12 5 Dual 575 60122 2313 0431 2313 0451 2313 0453 1213 1400 1213 1401 TWEISOEK 12 5 Dua 380 eo 2313 0431 TWE180E3 208 230 60 3 2313 0431 2313 0451 2313 0453 1213 1400 1213 1401 TWE180EW 15 Dual 575 60 3 2313 0431 2313 0451 2313 0453 1213 1400 1213 1401 TEisoEK 15 Dua 380 eo 3 2313 0431 TWE240E3 208 230 oe 2313 0431 2313 0451 2313 0453 1213 1400 1213 1401 TWE240E4 380 415 60 3 2313 0431 2313 0451 2313 0453 1213 1400 1213 1401 TWE240EW rey 2313 0431 2313 0451 2313 0453 1213 1400 1213 1401 TwezaoEk 20 Dua 603 2313 0431 N N N N N N N N N N N N N SSA SVX06E EN 47 Wiring Diagram Matrix Table 2
24. 1 1 2 2 Electrical Data Table 16 Unit wiring with electric heat single point connection 75 25 ton SZVAV and 2 Speed VFD air handlers 60 Hz continued TWE120D3 4 E3 4 TWE120D4 3 E4 3 TWE120D4 4 E4 4 TWE120DW 3 EW 3 TWE120DW 4 EW 4 SSA SVX06E EN 10 10 10 10 10 12 5 12 5 12 5 12 5 2 5 Heater Model Number BAYHTRL305 BAYHTRL310 BAYHTRL315 BAYHTRL325 BAYHTRL335 BAYHTRL405 BAYHTRL410 BAYHTRL415 BAYHTRL425 BAYHTRL435 BAYHTRL405 BAYHTRL410 BAYHTRL415 BAYHTRL425 BAYHTRL435 BAYHTRLWO5 BAYHTRLW10 BAYHTRLW15 BAYHTRLW25 BAYHTRLW35 BAYHTRLWO5 BAYHTRLW10 BAYHTRLW15 BAYHTRLW25 BAYHTRLW35 BAYHTRM310 BAYHTRM320 BAYHTRM330 BAYHTRM350 BAYHTRM310 BAYHTRM320 BAYHTRM330 BAYHTRM350 BAYHTRM410 BAYHTRM420 BAYHTRM430 BAYHTRM450 BAYHTRM410 BAYHTRM420 BAYHTRM430 BAYHTRM450 BAYHTRMW10 BAYHTRMW20 BAYHTRMW30 BAYHTRMW50 Heater KW Rating 3 76 5 00 7 48 9 96 11 24 14 96 18 72 24 92 26 20 34 88 7 51 10 00 14 96 19 92 22 47 29 92 37 44 49 84 7 51 10 00 14 96 19 92 22 47 29 92 37 44 49 84 Unit Power Supply Control Stages Minimum Circuit Ampacity 25 27 38 42 38 57 77 87 103 117 138 158 69 77 95 107 147 167 Maximum Fuse or HACR Circuit Breaker Size 30 30 40 45 40 60 80 90 110 125 20 30 45 60 15 25 30 45 60 15 20 25 35 50 15 20 25 40 35 40 60 70 90 100 150 175 45 50 70
25. 1 Wiring schematics for TWE air handlers continued Electromechanical Reliatel 2 speed iiis Connection Leones 25 Dus 208230 503 2313 0431 2313 0451 23159483 1213 1400 LTWEsooEW 25 Dua 575 60 3 2313 0431 2313 0451 2313 0453 1213 1400 1213 1401 rwesooex 25 Dua seo eo 3 2 150 wa WA m Note Wiring diagrams are available through e Library or by contacting your local sales office The manufacturer optimizes the performance of homes and buildings around the world A business of Ingersoll Rand the leader in creating and sustaining safe comfortable and energy efficient environments the manufacturer offers a broad portfolio of advanced controls and HVAC systems comprehensive building services and parts For more information visit www IRCO com The manufacturer has a policy of continuous product and product data improvements and reserves the right to change design and specifications without notice 02015 Trane All rights reserved SSA SVXOGE EN 02 Mar 2015 We are committed to using environmentally A ngersoll Rand Supersedes SSA SVX06D EN January 2014 conscious print practices that reduce waste
26. 2 35 575 3 60 44 45 45 50 70 80 100 110 150 175 60 60 80 90 110 125 175 175 95 107 147 167 51 55 77 85 103 115 155 175 oO amp U rn SSA SVXO0GE EN Electrical Data Table 16 Unit wiring with electric heat single point connection 75 25 ton SZVAV and 2 Speed VFD air handlers 60 Hz continued Heater Model Heater KW Unit Power Control Maximum ruse d os Number Rating Supply Stages Ampacity Breaker Size BAYHTRMW10 1 BAYHTRMW20 1 20 TWE240EW 3 575 3 60 BAYHTRMW30 2 BAYHTRMW50 2 BAYHTRMW 10 1 BAYHTRMW20 1 20 TWE240EW 4 575 3 60 BAYHTRMW30 2 BAYHTRMW50 2 BAYHTRM310 7 51 10 00 1 BAYHTRM320 14 96 19 92 1 25 TWE300E3 3 208 230 3 60 BAYHTRM330 22 47 29 92 2 103 115 110 125 BAYHTRM350 37 44 49 84 2 155 175 175 175 BAYHTRM410 1 BAYHTRM420 1 25 TWE300E4 3 460 3 60 BAYHTRM430 2 BAYHTRM450 2 BAYHTRMW 10 1 BAYHTRMW20 1 25 TWE300EW 3 575 3 60 BAYHTRMW30 2 BAYHTRMW50 2 Notes 1 kW ratings are at 208 240V for 208 230V air handlers 480V for 460V air handlers 600V for 575V air handlers For other than rated voltage capacity voltage rated voltage x rated capacity 2 Any power supply and circuits must be wired and protected in accordance with local codes 3 Electric heat not available with 380 60 Hz models 4 The HACR circuit breaker is for U S A installations only SSA SVX06E EN 39 Electrical Data 50 Hz Mod
27. 24 92 BAYHTRL106 BAYHTRL112 BAYHTRL117 208 230 1 60 BAYHTRL123 TWEO90D1 TWEO90E1 BAYHTRL129 BAYHTRL305 BAYHTRL310 BAYHTRL315 208 230 3 60 TWEO90D3 TWEO90E3 BAYHTRL325 18 72 24 92 BAYHTRL335 26 20 34 88 460 3 60 BAYHTRL410 BAYHTRL415 14 96 TWEO90D3 TWEO90E3 9 BAYHTRL425 24 92 BAYHTRL435 34 88 BAYHTRLWOS5 BAYHTRLW10 9 06 BAYHTRLW15 575 3 60 BAYHTRLW25 BAYHTRLW35 34 88 BAYHTRL106 BAYHTRL112 BAYHTRL117 208 230 1 60 BAYHTRL123 BAYHTRL129 21 63 28 80 BAYHTRL305 BAYHTRL310 BAYHTRL315 208 230 3 60 BAYHTRL325 BAYHTRL335 26 20 34 88 15 0 15 0 25 0 35 0 45 0 40 0 45 0 70 0 70 0 90 0 100 0 125 0 150 0 150 0 175 0 25 0 30 0 35 0 40 0 50 0 60 0 80 0 90 0 100 0 125 0 TWEO90DW TWEO90EW TWE120D1 TWE120E1 TWE120D3 TWE120E3 34 SSA SVXO0OGE EN Electrical Data Table 15 Unit wiring with electric heat single point connection 5 25 ton standard air handlers 60 Hz continued Heater Model Heater kW Unit Power Control Minimum Circuit PERNU SE Tons or HACR Circuit Number Ampacity Breaker Size TWE120D3 9 TWE120E3 9 800 BAYHTRLW15 575 3 60 BAYHTRLW25 BAYHTRLW35 e 12 5 TWE150E3 208 230 3 60 TWE120DW TWE120EW BAYHTRM330A 22 47 29 92 85 5 96 8 90 100 BAYHTRM350A 37 44 49 84 2 1 137 3 156 7 150 175 12 5 TWE150E3 9 460 3 60 N H BAYHTRM430 29 92
28. 4 p 29 Figure 24 RTOM to RTRM harness Field Installed Wires RTRM J 4 1 p P 1 am Electromechanical Controls Wiring shown with dashed lines is to be furnished and installed by the customer All customer supplied wiring must be copper only and must conform to NEC and local electrical codes Codes may require line of sight between disconnect switch and unit Note When electric heater accessory is used single point power entry or dual point power entry is field optional Single point power entry option is through electric heater only SSA SVX06E EN Installation Figure 25 Electromechanical jobsite connections Disconnect Switch By Others bon N Electric Heat Accessory Z lx em Disconnect Switch Nx By Others Note 2 O Tec 3 power wires line voltage for 3 phase 2 power wires for single phase 3 power wires line voltage for 3 phase 2 power wires for single phase Cooling only thermostat 3 to 7 wires depending on stages of electric heat 3 to 7 wires depending type of outdoor unit s Disconnect Switch By Others g gt ReliaTel Controls Wiring shown with dashed lines is to be furnished and installed by the customer All customer supplied wiring must be copper only and must conform to NEC and local electrical codes Codes may require line of sight between disconnect switch and unit Notes 1 When electric heater accessory is used
29. 6 81 1311 16 93 7 9 COPPER LIQUID LINE __ FIELD CONNECTION SEE NOTES 2 3 4 99 25 15 1 3 8 34 9 4 S 1 11 16 42 9 SE 4 HOLE FOR HORIZONTAL SUSPENSION 21119595 77 SUPPLY 4 HOLE FOR HORIZONTAL SUSPENSION BOTTOM RETURN SIDE RETURN BOTTOM RETURN SIDE RETURN SUPPLY VERTICAL SUPPLY HORIZONTAL RETURN HORIZONTAL RETURN VERTICAL RETURN VERTICAL RETURN HORIZONTAL 13 Dimensional Data Figure 8 6 25 75 ton air handler single circuit 251 2 NOTES 647 7 1 PANEL DEPTH 1 2 12 7 TYP ALL PANELS DUCT FLANGE n 2 REMOVABLE DRAIN PAN AND ATTACHED DRAIN CONNECTION MAY BE INSTALLED ON END 1 25 4 s di OF UNIT IN EITHER THE VERTICAL OR HORIZONTAL CONFIGURATION PLASTIC DRAIN PAN HEIGHT 128 B ACCESS PLATE ON THE END OF UNIT OPPOSITE DRAIN CONNECTION MUST BE REMOVED TO SLIDE DRAIN PAN OUT OF UNIT FOR CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER T SLIDING DRAIN PAN BACK INTO UNIT 11 11 16 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF 296 8 DRAIN PAN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 5 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAI
30. 69 8 NOTES 1 PANEL DEPTH 1 2 12 7 TYP ALL PANELS 2 REMOVABLE DRAIN PAN AND ATTACHED DRAIN CONNECTION MAY BE INSTALLED ON END OF UNIT IN EITHER THE VERTICAL OR HORIZONTAL CONFIGURATION PLASTIC DRAIN PAN ACCESS PLATE ON THE END OF UNIT OPPOSITE DRAIN CONNECTION MUST BE REMOVED TO SLIDE DRAIN PAN OUT OF UNIT FOR CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER SLIDING DRAIN PAN BACK INTO UNIT 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 5 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION HORIZONTAL CONFIGURATION 304 8 344 5 37 15 16 963 6 7 i 6 i 13 5 16 192 1 155 BOTTOM RETURN 14 y M G 2 5 16 1 587 3916 113 16 13 4 6 7 8 90 5 46 04 44 45 174 6 2 3 4 32 1 2 2 3 4 69 8 625 5 825 5 69 8 37 16 87 3 COPPER LIQUID LINE 5 15 16 FIELD CONNECTION 150 8 43 3 16 335 COPPER SUCTION LINE 2 REMOTE BULB TXV FIELD CONNECTION SUCTION LINE 17 5 16 io 1756 17 718 439 7 139 16 42 12 139 16 449 4 439 7 454 9 344 5 304 8 35 5 8 904 99 25 15 1 3 8 34 9 4 11 16 42 9 3 3 1
31. Amps i Model Number Volts Volts ot ur iwa MPS tenen TWEO90E4 1 208 3 2 6 2 43 4 8 15 1 208 3 3 9 4 TWEO90E3 1 230 3 2 5 8 48 8 15 1 230 3 3 9 2 TWEO90E4 1 460 3 2 2 9 24 4 15 1 460 3 3 4 6 TWEO90E4 1 575 3 2 2 2 20 6 3 15 1 575 3 3 3 7 TWE120D3 E3 1 208 3 2 6 2 43 4 8 15 1 208 3 3 9 4 TWE120D3 E3 1 230 3 2 5 8 48 8 15 1 230 3 3 9 2 TWE120D4 E4 1 460 3 2 2 9 24 4 15 1 460 3 3 4 6 TWE120DW EW 1 575 3 2 2 2 20 6 3 15 1 575 3 3 3 7 TWE150E3 1 208 3 2 6 2 43 4 8 15 1 208 3 5 13 4 TWE150E3 1 230 3 2 5 8 48 8 15 1 230 3 5 12 6 TWE150E4 1 460 3 2 2 9 24 4 15 1 460 3 5 6 3 TWE150EW 1 575 3 2 2 2 20 6 3 15 1 575 3 5 5 1 TWE180E3 1 208 3 3 9 4 71 12 20 1 208 3 5 13 4 TWE180E3 1 230 3 3 9 2 64 12 20 1 230 3 5 12 6 TWE180E4 1 460 3 3 4 6 35 5 6 15 1 460 3 5 6 3 TWE180EW 1 575 3 3 3 7 28 4 5 15 1 5 5 3 5 5 1 TWE240E3 1 208 3 5 13 4 99 5 17 30 1 208 3 19 6 TWE240E3 1 230 3 5 12 6 110 17 30 1 230 3 17 6 TWE240E4 1 460 3 5 6 3 55 8 15 1 460 3 8 8 TWE240EW 1 575 3 5 5 1 44 7 15 1 575 3 7 1 TWE300E3 1 208 3 19 6 113 4 25 45 N A N A N A N A TWE300E3 1 230 3 17 6 124 25 45 N A N A N A N A TWE300E4 1 460 3 8 8 63 12 20 N A N A N A N A TWE300EW 1 575 3 7 1 50 4 9 15 N A N A N A N A 1 Foradditional information contact product support 2 Notavailable with 380 60 Hz models SSA SVX06E EN LRA N A N A N A N A LRA 71 64 35 5 Ultra High Static Evaporator Fan Motor He MC wes N A N A N A N A High Stati
32. DRAIN CONNECTION HORIZONTAL CONFIGURATION 500 1 TR NEN 611 2 15 15 16 16 7 8 BOTTOM RETURN y 404 8 428 6 A a SSS HEATER CONTROL re 20 5 16 1 a AND SINGLE POWER us 515 9 444 16 ENTRY WIRES 42 9 46 2 3 4 2 3 4 HEATER 69 8 1473 2 69 8 1473 2 VENTILATION 6 13 16 173 la 95 1 2 CONTROL WIRING 647 7 LINE VOLTAGE 2 3 1 2 89 873 CONTROL BOX 225 4 P ns COPPER LIQUID LINE ACCESS PANEL FIELD CONNECTION 2 REMOTE BULB TXV COPPER SUCTION LINE SEE NOTE 2 3 5 3 5 Z EINE FIELD CONNECTION 1 3 16 22 7 8 302 l 2 20 16 11 16 E 581 4341 16 16 1 4 423 9 482 6 508 509 6 16 3 4 16 1 4 43 3 4 11 279 4 3477 412 8 425 5 4128 349 3 1 I FILTER ACCESS PANEL 1 5 16 33 4 1 5 16 33 3 SEE NOTES 22 558 8 MIN DISTANCE 234 BOTH SIDE mp1 5 8 41 3 1 5 8 41 3 H P 3 5 8 92 1 3 5 8 92 1 LIQUID LINES SEE NOTES 2 3 4 4 HOLE FOR HORIZONTAL SUSPENSION 4 HOLE FOR HORIZONTAL 4 3 16 61 1 8 SUPPLY OPENING SUSPENSION 30 2 1552 6 6 3 4 171 45 BOTTOM RETURN SIDE RETURN 54 1 16 36 7 8 1373 2 936 6 FILTER BOTTOM RETURN SIDE RETURN 10 7 16 265 1 SUPPLY VERTICAL SUPPLY HORIZONTAL y RETURN HORIZONTAL RETURN VERTICAL RETURN VERTICAL RETURN HORIZONTAL SSA SVX06
33. E EN 17 Dimensional Data Figure 12 10 4 13 12 5 15 ton air handler dual circuit lo 29 1 46 NOTES DUCT FLANGE 738 2 1 PANEL DEPTH 1 2 12 7 TYP ALL PANELS 1 25 4 ese LL 2 REMOVABLE DRAIN PAN AND ATTACHED DRAIN CONNECTION MAY BE INSTALLED ON END HEIGHT 414 3 OF UNIT IN EITHER THE VERTICAL OR HORIZONTAL CONFIGURATION PLASTIC DRAIN PAN e 27 8 73 ACCESS PLATE ON THE END OF UNIT OPPOSITE DRAIN CONNECTION MUST BE REMOVED TO SLIDE DRAIN PAN OUT OF UNIT FOR CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER SLIDING 4 DRAIN PAN BACK INTO UNIT 12 3 8 314 3 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN PAN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 5 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION HORIZONTAL CONFIGURATION 79 9 16 pU alls iii 54 15 16 2020 9 11 m 19 1 2 454 SIDE RET RN Sipe 495 3 BOTTOM RETURN BOTTOM RETURN aa ee ee E d 12 1 8 3 5 16 84 1 3 7 16 87 3 308 R 308 l 2 3 4 74 1 8 2 3 4 74 1 8 HEATER CONTROL 69 8 1882 8 69 8 1882 8 AND SINGLE POWER lo 99 1 16 738 2 CONTROL WIRING 4 1 4 108 LINE VOLTAGE 12 13 16 325 4 20
34. Installation Operation and Maintenance Split System Air Conditioners Odyssey Air Handler 5 to 25 Tons Model 60 Hz Model 50 Hz TWE061D E A TWE051D A TWEO90D E BA TWEO76D E A TWE120D E BA TWE101D E A TWE150E BA TWE126E A TWE180E BA TWE156E A TWE240E BA TWE201E A TWESOOE BA TWE251E A A SAFETY WARNING Only qualified personnel should install and service the equipment The installation starting up and servicing of heating ventilating and air conditioning equipment can be hazardous and requires specific knowledge and training Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature and on the tags stickers and labels that are attached to the equipment SSA SVXOGE EN rana 2015 Introduction Read this manual thoroughly before operating or servicing this unit Warnings Cautions and Notices Safety advisories appear throughout this manual as required Your personal safety and the proper operation of this machine depend upon the strict observance of these precautions The three types of advisories are defined as follows Indicates a potentially hazardous situation WARNING which if not avoided could result in death or serious injury Indicates a potentially hazardous situation NONE which if not avoided could
35. N CONNECTION HORIZONTAL CONFIGURATION 24 1 16 47 1 2 611 2 1206 5 12 HEATER CONTROL 8 5 16 445 7 AND SINGLE POWER 16 1 428 6 ENTRY WIRES 408 2 1 4 57 15 VENTILATION 6 13 16 1 9 16 1 13 16 173 39 7 46 2 3 4 2 3 4 251 2 69 85 1066 8 69 85 1066 8 CONTROL WIRING 647 7 1 3 1 2 88 9 LINE VOLTAGE lg 8 COPPER LIQUID LINE CONTROLEUR us FIELD CONNECTION ACCESS PANEL 406 4 COPPER SUCTION LINE DRAIN CONNECTION REMOTE BULB TXV FIELD CONNECTION FOR HORIZONTAL SEE NOTE 2 3 5 SUCTION LINE 22 7 8 581 16 11 16 17 7 16 ae 17 3 8 1611 16 423 9 442 9 441 3 423 9 FILTER ACCESS PANEL 3 5 8 92 1 1 9 16 39 7 SEE NOTES 2 3 4 22 558 8 MIN DISTANCE BOTH SIDE i 1 11 16 42 9 3 1 2 88 9 LIQUID LINES SEE NOTES 2 3 4 1 3 16 30 16 45 1 8R 4 HOLE FOR HORIZONTAL SUSPENSION 54 1 1 6 36 7 8 1373 2 936 6 10 7 16 265 1 BOTTOM RETURN SUPPLY VERTICAL RETURN HORIZONTAL RETURN VERTICAL 14 4 HOLE FOR SUPPLY OPENING HORIZONTAL SUSPENSION BOTTOM RETURN SIDE RETURN SUPPLY HORIZONTAL RETURN VERTICAL RETURN HORIZONTAL SSA SVXO0GE EN Dimensional Data Figure 9 6 25 75 ton air handler dual circuit 17 78 NOTES 1 PANEL DEPTH 1 2 12 7 TYP ALL PANELS 2 REMOVABLE DRAIN PAN AND ATTACHED DRAIN CONNECTIO
36. N MAY BE INSTALLED ON END OF UNIT IN EITHER THE VERTICAL OR HORIZONTAL CONFIGURATION PLASTIC DRAIN PAN ACCESS PLATE ON THE END OF UNIT OPPOSITE DRAIN CONNECTION MUST BE REMOVED TO SLIDE DRAIN PAN OUT OF UNIT FOR CLEANING ACCESS PLATE MUST BE RE INSTALLED AFTER SLIDING DRAIN PAN BACK INTO UNIT 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF DRAIN PAN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 5 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION HORIZONTAL CONFIGURATION 8 5 16 211 1 47 1 2 1206 5 12 5 16 i 312 7 16 1 16 SIDE RETURN 16 718 BOTTOM RETURN 408 406 4 2 1 4 57 15 25 1 2 647 7 DUCT FLANGE i 4 25 4 16 1 4 HEIGHT eS Less 11 11 16 296 9 24 1 16 611 2 HEATER CONTROL AND SINGLE POWER ENTRY WIRES HEATER VENTILATION 6 13 16 173 19 251 2 647 7 CONTROL WIRING 1 9 16 1 13 16 39 7 46 2 3 4 2 3 4 69 9 1066 8 69 9 1066 8 3 1 2 88 9 LINE VOLTAGE CONTROL BOX ACCESS PANEL 8 13 16 223 8 16 406 4 1 3 16 30 2 DRAIN CONNECTION FOR HORIZONTAL SEE NOTE 2 3 5 2 REMOTE BULB TXV SUCTION LINE 22 7 8 581 11 1 16 281
37. ReliaTel condenser only R4 Single Zone Variable Air Volume VFD oversized motor ReliaTel condenser only DIGITS 11 Minor Design Sequence Current Design Sequence DIGITS 12 Service Digit Current Design Sequence General Information This manual describes proper installation operation and maintenance procedures for air cooled systems By carefully reviewing the information within this manual and following the instructions the risk of improper operation and or component damage will be minimized It is important that periodic maintenance be performed to help assure trouble free operation Should equipment failure occur contact a qualified service organization with qualified experienced HVAC technicians to properly diagnose and repair this equipment Important All phases of this installation must comply with the NATIONAL STATE amp LOCAL CODES In addition to local codes the installation must conform with National Electric Code ANSI NFPA NO 70 LATEST REVISION Any individual installing maintaining or servicing this equipment must be properly trained licensed and qualified Important Do not remove the VFD without first contacting technical support For performance related questions and diagnostic support in North America call 1 877 872 6363 Any return requires a claim number FIRST Removal of the VFD prior to this step will void the unit s warranties Installation procedures should be performed in
38. ST put on all PPE in accordance with OSHA NFPA 7OE or other country specific requirements for arc flash protection PRIOR to servicing the unit NEVER PERFORM ANY SWITCHING DISCONNECTING OR VOLTAGE TESTING WITHOUT PROPER ELECTRICAL PPE AND ARC FLASH CLOTHING ENSURE ELECTRICAL METERS AND EQUIPMENT ARE PROPERLY RATED FOR INTENDED VOLTAGE SSA SVXOGE EN A WARNING Refrigerant under High Pressure System contains oil and refrigerant under high pressure Recover refrigerant to relieve pressure before opening the system See unit nameplate for refrigerant type Do not use non approved refrigerants refrigerant substitutes or refrigerant additives A WARNING R 410A Refrigerant under Higher Pressure than R 22 The units described in this manual use R 410A refrigerant which operates at higher pressures than R 22 Use ONLY R 410A rated service equipment or components with these units For specific handling concerns with R 410A please contact your local Trane representative Copyright This document and the information in it are the property of Trane and may not be used or reproduced SSA SVX06E EN Introduction in whole or in part without written permission Trane reserves the right to revise this publication at any time and to make changes to its content without obligation to notify any person of such revision or change Trademarks All trademarks referenced in this document are the trademarks of their respec
39. T BE RE INSTALLED AFTER DUCT FLANGE 412 8 SLIDING DRAIN PAN BACK INTO UNIT 1 25 4 3 IF PERIODIC DRAIN PAN CLEANING IS REQUIRED ALLOW ROOM FOR PARTIAL REMOVAL OF HEIGHT DRAIN PAN CONNECTION AT END OF UNIT 4 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION VERTICAL CONFIGURATION 5 1 25 4 FEMALE SCHED 40 10 2 PVC PIPE DRAIN CONNECTION HORIZONTAL CONFIGURATION 19 11 16 500 1 BN 24 1 16 1612 9 611 2 UN 15 15 16 BOTTOM RETURN 404 8 SIDE RETURN 428 6 A L 6 HEATER CONTROL 20 5 16 AND SINGLE POWER 16 5 16 515 9 111 16 1 13 16 ENTRY WIRES 414 3 42 9 46 y 2 3 4 58 2 3 4 HEATER 69 8 1473 2 69 8 1473 2 VENTILATION MELLE 6 13 16 173 CONTROL WIRING 25 1 2 647 7 LINE VOLTAGE 3 1 2 89 87 8 CONTROL BOX 225 4 pu COPPER LIQUID LINE ACCESS PANEL FIELD CONNECTION DRAIN CONNECTION FOR HORIZONTAL REMOTE BULB TXV COPPER SUCTION LINE SEE NOTE 2 3 5 FIELD CONNECTION 13 16 22 7 8 30 2 20 581 16 11 16 17 3 8 508 17 3 8 16 11 16 iii 441 4 441 3 423 9 FILTER ACCESS PANEL 22 559 MIN DISTANCE BOTH SIDE 3 5 8 92 1 1 11 16 42 9 LIQUID LINES SEE NOTES 2 3 4 4 HOLE FOR
40. a Field wired for 460V 5 5 5 5 5 17 8 150 25 40 N A N A N A 8 9 75 12 20 7 1 60 9 15 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 High Static Evaporator Fan Motor Ultra High Static Evaporator Fan Motor Unit Model Number TWEO61D1 E1 TWEO61D1 E1 TWEO61D3 TWE061D3 TWE061D4 E4 TWEO61DW TWEO90D1 E1 TWEO90D1 E1 TWEO90D3 TWEO90D3 TWEO090D3 E3 TWEO90DW EW TWE120D1 E1 TWE120D1 E1 TWE120D3 E3 TWE120D3 E3 TWE120D3 E3 TWE120DW EW TWE150E3 TWE150E3 TWE150E3 a TWE150EW TWE180E3 TWE180E3 TWE180E3 a TWE180EW TWE240E3 TWE240E3 TWE240E4 TWE240EW METERS N N N N WWW U U VIU U U W U1 C U VIU U U W 32 SSA SVX06E EN Electrical Data Table 13 Electrical characteristics high and ultra high static motors 60 Hz standard air handler continued High Static Evaporator Fan Motor Volts Phase MCA FLA LRA FLA 3 3 3 19 6 150 25 N A N A N A N A 17 8 150 25 40 N A N A N A N A N A 8 9 75 12 20 N A N A N A N A N A 7 1 60 9 15 N A N A N A N A N A Unit Model Number TWE300E3 TWE300E3 TWE300E4 TWE300EW 575 3 Note For additional information contact product support a Field wired for 460 Table 14 Electrical characteristics standard and oversized motors 60 Hz SZVAV and 2 Speed VFD air handler Standard Evaporator Fan Motor T
41. an output signals associated with each unit function Note that each value represents the actual Fan Output based on 100 being the customers selected maximum operating speed Table 6 Minimum supply fan speeds for SZVAV units Fan Output 9 CV Staged Heat 100 Fan Output CV Staged Heat 100 Table 7 Minimum supply fan speeds for 2 Speed units 42 66 a Ventilation Only Cool 1 C1 42 66 a 25 Installation Table 7 Minimum supply fan speeds for 2 Speed units continued Cool 2 C1 C2 Energized 100 CV Staged Heat 100 a Fan Output percentage is based on the customer chosen upper and lower speed settings Important Do not remove the VFD without first contacting technical support For performance related questions and diagnostic support in North America call 1 877 872 6363 Any return requires a claim number FIRST Removal of the VFD prior to this step will void the unit warranty Electrical Connections A WARNING Hazardous Voltage w Capacitors Disconnect all electric power including remote disconnects and discharge all motor start run capacitors before servicing Follow proper lockout tagout procedures to ensure the power cannot be inadvertently energized For variable frequency drives or other energy storing components provided by Trane or others refer to the appropriate manufacturer s literature for allowable waiting periods for discharge of capacitors Verify
42. and ground Use Table 4 p 24 to set the desired maximum operating supply fan speed Table 4 SZVAV air handler speed to voltage Parameter 6 15 Set to 60 Hz TP1 TP1 RTOM RTOM High Speed Voltage High Speed Voltage Hz Vdc Hz Vdc SSA SVXO0GE EN Table 4 SZVAV air handler speed to voltage continued Parameter 6 15 Set to 60 Hz TP1 TP1 RTOM RTOM High Speed Voltage High Speed Voltage Hz Vdc Hz Vdc 1 15 2 Speed VFD Units To configure units with an RTOM for 2 speed operation move plug PPM 10 from PPF 10 to TP Refer to Heating and Cooling Setpoint Arbitration p 27 for setpoint connection Complete the configuration by reprogramming VFD parameter 6 10 to 5 00 V and parameter 6 11 to 760 V For 2 Speed VFD controlled units the desired maximum air flow High Speed is set by reprogramming parameter 6 15 on the VFD to the frequency value that best meets the RPM requirement as shown in the catalog fan tables The minimum air flow Low Speed is set by reprogramming parameter 6 14 on the VFD Refer to Table 5 p 25 to see the allowed Low Speed range for a given High Speed Use the Menu button and up and down arrows on the keypad to access the parameters SSA SVX06E EN Installation Table 5 2 Speed VFD programming speeds Low Speed Low Speed Hz High Speed Hz Ranges Hz Ranges sons Minimum Supply Fan Output Refer to Table 6 p 25 for details on minimum supply f
43. any accumulation of dust and or dirt from the unit casing Remove corrosion from any surface and repaint Check the gasket around the control panel door to ensure it fits correctly and is in good condition to prevent water leakage Inspect the evaporator fan belt If it is worn or frayed replace it Inspect the control panel wiring to ensure that all connections are tight and that the insulation is intact Check refrigerant piping and fittings for leaks Inspect the evaporator coils for dirt and debris If the coils appear dirty clean them Coil Cleaning Regular coil maintenance including annual cleaning enhances the unit s operating efficiency by minimizing e compressor head pressure and amperage draw e water Carryover e fan brake horsepower e static pressure losses At least once each year or more often if the unit is located in a dirty environment clean the coil using the instructions outlined below Be sure to follow these instructions as closely as possible to avoid damaging the coils 45 Maintenance Maintenance Log LL o 2 w 6 Oo m Q F Qo 4 VY Superheat at compressor Discharge Pressure C1 mu VENE MEN NENNEN Gss a r ss s s gt gt ss s RENE 2 gt i s p p Compressor C2 Note Perform each inspection once per month during cooling seaso
44. at 208 240V for 208 230V air handlers 480V for 460V air handlers 600V for 575V air handlers For other than rated voltage capacity voltage rated voltage 2 x rated capacity 2 Any power supply and circuits must be wired and protected in accordance with local codes 3 Electric heat not available with 380 60 Hz models 4 TheHACR circuit breaker is for U S A installations only a Field wire must be rated at least 75 C b Field wire must be rated at least 90 C 0 With motor field wired for 460V Table 16 Unit wiring with electric heat single point connection 75 25 ton SZVAV and 2 Speed VFD air handlers 60 Hz Heater Model Heater KW Unit Power Control Purum Maximum Fuse Tons Number Rating Supply Stages Circuit HACR Circuit Ampacity Breaker Size BAYHTRL305 3 76 5 00 21 23 25 25 BAYHTRL310 7 48 9 96 34 38 35 40 TWEO90E3 3 BAYHTRL315 11 24 14 96 208 230 3 60 47 53 50 60 BAYHTRL325 18 72 24 92 73 83 80 90 BAYHTRL335 26 20 34 88 BAYHTRL305 BAYHTRL310 TWEO90E4 4 BAYHTRL315 460 3 60 BAYHTRL325 BAYHTRL335 BAYHTRLW05 BAYHTRLW10 TWEO90EW 3 BAYHTRLW15 575 3 60 BAYHTRLW25 BAYHTRLW35 i BAYHTRL305 3 76 5 00 BAYHTRL310 7 48 9 96 TWE120D3 3 E3 3 BAYHTRL315 11 24 14 96 208 230 3 60 BAYHTRL325 18 72 24 92 BAYHTRL335 26 20 34 88 99 113 100 125 21 23 25 25 36 SSA SVXO0GE EN 34 38 35 40 47 53 50 60 73 83 80 90 99 113 100 125 1 1 1 2 2 1 1 1 2 2 1 1 1 2 2 1
45. c Evaporator Fan Motor N A N A N A N A N A N A N A N A 33 Electrical Data Table 15 Unit wiring with electric heat single point connection 5 25 ton standard air handlers 60 Hz Heater Model Heater kW Unit Power Control Minimum Circuit Maximum ruse Tons Number Ampacity or HACR Circuit Breaker Size BAYHTRL106 4 33 5 76 33 5 37 4 35 0 40 0 BAYHTRL112 8 65 11 52 59 5 67 4 60 0 70 0 208 230 1 60 BAYHTRL117 12 98 17 28 BAYHTRL123 17 31 23 04 85 5 97 4 90 0 100 0 BAYHTRL305 3 76 5 00 BAYHTRL310 7 48 9 96 208 230 3 60 BAYHTRL315 11 24 14 96 111 5 127 4 125 0 150 0 BAYHTRL325 18 72 24 92 16 1 18 0 20 0 20 0 460 3 60 BAYHTRL415 14 96 BAYHTRL425 24 92 TWEO61D1 TWEO61E1 TWEO061D3 TWEO61E3 42 2 48 0 68 0 77 9 a 10 0 17 0 25 0 40 0 45 0 50 0 70 0 80 0 15 0 20 0 25 0 40 0 15 0 15 0 20 0 35 0 40 0 40 0 70 0 70 0 90 0 100 0 125 0 150 0 150 0 175 0 25 0 25 0 35 0 40 0 50 0 60 0 80 0 90 0 100 0 125 0 15 0 20 0 30 0 45 0 TWE061D4 TWEO61E4 15 0 21 0 33 0 34 5 37 8 60 5 67 8 8 86 5 97 8 112 5 127 8 138 6 157 8 19 6 21 3 32 5 36 2 45 7 51 2 71 5 82 0 2 98 7 112 5 11 0 19 0 26 0 41 0 56 0 11 0 17 0 23 0 36 0 48 0 36 6 39 6 62 6 69 6 a 88 6 99 6 114 6 129 6 140 7 159 6 21 0 23 0 34 0 38 0 47 0 53 0 73 0 83 0 98 7 113 0 5 29 0 33 0 30 0 35 0 5 TWE061DW 575 3 60 BAYHTRLW15 14 96 BAYHTRLW25
46. d unrestricted Inspect unit drain lines Pipe connections must be tight and drain line unrestricted SSA SVXO0GE EN Inspect fan assembly to insure all moving parts move freely Lj If unit is horizontally mounted make sure secondary drain pan has been installed Inspect unit for proper filters securely installed and not touching the coil surface All cabinet panels must be secure Instruct owner operator on proper system operating and maintenance procedure Thermostat and Control Connections Wiring shown with dashed lines is to be furnished and installed by the customer All customer supplied wiring must be copper only and must conform to NEC and local electrical codes Codes may require line of sight between disconnect switch and unit 1 Observe all notes on the wiring diagrams 2 Mountthe thermostat or zone sensor in the desired location 3 Install color coded low voltage cables between outdoor unit indoor unit and thermostat For SZVAV units install low voltage and communication wires between the RTRM in the condenser and the RTOM in the air handler See schematic and connection print for more detail 4 Connect low voltage control wiring to the low voltage terminal board located at the control box per the typical interconnecting wiring diagrams For SZVAV units connect the ReliaTel harness supplied with the air handler between the RTRM and RTOM See Figure 2
47. d VFD controls will utilize traditional CV Heating control schemes with full airflow provided based on the customer selected VFD controlled maximum speed When the unit receives the W1 call from the thermostat a relay will signal the supply fan to run at high speed All the electric heaters that can be outfitted in the field are wired up to interlock W1 and W2 so the supply fan will always run at the user selected high speed during heat modes 43 Maintenance Perform all of the indicated maintenance procedures at gauge plunger the intervals scheduled This will prolong the life of the 4 Place the large end of the gauge at the center of the unit and reduce the possibility of costly equipment belt span then depress the gauge plunger until the failure large O ring is even with the top of the next belt or even with a straightedge placed across the fan and Fan Belt Adjustment motor sheaves 5 Remove the belt tension gauge The small A WARNING O ring now indicates a number other than zero on Rotating Components the plunger s force scale This number represents Disconnect all electric power including remote the force in pounds required to give the needed disconnects before servicing Follow proper deflection lockout tagout procedures to ensure the power 6 Compare the force scale reading Step 5 with the can not be inadvertently energized appropriate force value listed in the Belt tension table If the force
48. d end of motor Replace unit access panels SSA SVX06E EN Pre Installation Figure 3 Voltage change plug VIEW OF TERMINAL END To change voltage pull plug rotate 180 and reinsert MARATHON To change voltage pull selector plug out shift plug to align arrow to 460V for high voltage or 230V for low voltage as desired Push plug back in Connect lines to L1 L2 L3 To reverse rotation interchange any two line connections Refrigerant Piping Reorienting Evaporator Coil TWE126 150 and 156 180 Important Applies to TWE126 150 and 156 180 when positioned for vertical upflow Unit is shipped in the horizontal position If installing in the vertical position the coil must be reoriented by rotating the coil 4 degrees contro box side from the shipped position 1 Remove screws from top evaporator coil bracket bracket that attaches coil to cabinet and runs the length of the unit 2 Rotate evaporator coil approximately 4 degrees clockwise looking from the control box end When the evaporator coil is rotated the lower set of evaporator coil bracket holes will align with the support bracket from which it was originally fastened 3 Reinsert screws in evaporator coil bracket Pre Installation Figure 4 Evaporator coil reorientation for TWE126 150 156 180 Q Top bracket screws Rotate 4 clockwise Preparation for Refrigerant Piping NOTICE Equipment
49. did not occur after delivery Notify the carrier s terminal of damage immediately by phone and by mail Request an immediate joint inspection of the damage by the carrier and the consignee Notify the sales representative and arrange for repair Do not repair the unit until the damage is inspected by the carrier s representative Testing for Leaks All TWE units are shipped with a holding charge of nitrogen in each circuit and should be leak tested before installation 1 Remove the access panel 2 Locate the liquid line or suction line access valve for each circuit 3 Install gauges to determine if the circuits are still pressurized If not the charge has escaped and should be repaired as required to obtain a leak free circuit SSA SVXO0GE EN Lifting Recommendations A WARNING Improper Unit Lift Test lift unit approximately 24 inches to verify proper center of gravity lift point To avoid dropping of unit reposition lifting point if unit is not level NOTICE Equipment Damage Use spreader bars to prevent straps from damaging the unit Install the bars between lifting straps both underneath the unit and above the unit to prevent the straps from crushing the unit cabinet or damaging the finish Before preparing the unit for lifting estimate the approximate center of gravity for lifting safety Because of placement of internal components the unit weight may be unevenly distributed See
50. e beginning installation of refrigerant lines 22 NOTICE Equipment Damage Ensure that the refrigerant lines passing through the cabinet are not resting on sharp sheet metal edges and that the bulb s are attached to the suction line of the same circuit 1 Locate cloth bag s attached to the refrigerant tube of the coil that contains a stainless steel clamp and insulation material approximately 9 long by 4 wide for each refrigerant circuit This is for attaching and insulating the expansion valve bulb s to the suction line s 2 Attach the expansion valve bulb s on air handlers that will have refrigerant lines entering the cabinet from the left side a Remove the split rubber grommet from the knockout in the end of the air handler Uncoil the cap tube with the bulb attached at the expansion valve and place the grommet on the cap tube b With the grommet around the tube push the bulb through the hole and position the grommet back into its original position one bulb and cap tube on single circuit units and two bulbs and cap tubes on dual circuit units on air handlers that will have refrigerant lines entering the cabinet from the right side a Attach the bulb s to the suction tube s inside the cabinet approximately 10 from the right end of the unit 3 Attach the bulb s on a horizontal section of tube where the entire length of the bulb is in contact with the tube see Figure 18 p 23 approximat
51. els Includes standard air handlers Table 17 Electrical characteristics standard motor 50 Hz air handler Standard Evaporator Fan Motor Unit Model Number FLA 1 4 1 0 3 1 3 2 3 4 3 2 3 2 3 1 4 0 4 0 8 0 8 0 7 5 7 2 TWE051DD TWE076DD ED TWE101DD ED oe Table 18 Unit wiring air handler 50 Hz oH Maximum Fuse Circuit Ampacity Ampacity Size or Maximum Circuit Breaker Unit Model Minimum Unit Operating Number Voltage Range 3s Wem 3wus 3 Minimum Maximum Circuit Fuse Breaker Ampacity BAYHTRL405 5 BAYHTRL410 9 96 BAYHTRL415 14 96 BAYHTRL425 24 92 BAYHTRL405 BAYHTRL410 BAYHTRL415 TWE076DD ED BAYHTRL425 BAYHTRL435 40 SSA SVX06E EN Electrical Data Table 19 Unit wiring with electric heat single point connection air handlers continued BAYHTRL405 BAYHTRL410 TWE101DD BAYHTRL415 TWE101ED BAYHTRL425 BAYHTRL435 BAYHTRM410 BAYHTRM420 BAYHTRM430 coe BAYHTRM450 BAYHTRM410 BAYHTRM420 BAYHTRM430 BAYHTRM450 BAYHTRM410 BAYHTRM420 BAYHTRM430 s BAYHTRM450 BAYHTRM410 BAYHTRM420 BAYHTRM430 BAYHTRM450 Notes 1 Field wire must be rated at least 167 F 75 C 2 Field wire must be rated at least 194 F 90 C 3 Heater kW ratings are at 400v for 3 phase 400v air handlers 4 Forotherthan rated voltage capacity voltage rated voltage 2 x rated capacity and
52. ely 45 degrees off vertical a 10 or 2 o clock position 4 After attaching to the suction line s either inside or outside of the cabinet wrap the insulation around the bulb s and suction tube s Note Suction piping should be insulated SSA SVXO0GE EN A WARNING Fiberglass Wool You MUST wear all necessary Personal Protective Equipment PPE including gloves eye protection a NIOSH approved dust mist respirator long sleeves and pants when working with products containing fiberglass wool Precautionary Measures Avoid breathing fiberglass dust Use a NIOSH approved dust mist respirator Avoid contact with the skin or eyes Wear long sleeved loose fitting clothing gloves and eye protection Wash clothes separately from other clothing rinse washer thoroughly Operations such as sawing blowing tear out and spraying may generate fiber concentrations requiring additional respiratory protection Use the appropriate NIOSH approved respirator First Aid Measures e Eye Contact Flush eyes with water to remove dust If symptoms persist seek medical attention Skin Contact Wash affected areas gently with soap and warm water after handling Figure 18 Remote bulb installation Between 4 10and2O Clock Bulb Retaining Clip Tape Condensate Piping The drain pan condensate connection is a female slip joint type for 1 Schedule 40 PVC pipe Use PVC cement and tubing as required field suppl
53. er Control Single Point Power Table 8 Recommended thermostat wire size Wiresize Maximum Wire Length Gauge Physical distance between Unit amp T stat 22 30 Feet 50 Feet 125 Feet 200 Feet Setpoints SSA SVXO0GE EN EDC Switch Wiring Electromechanical Units To enable the Evaporator Defrost Control Switch remove the W3 jumper between LTB1 B1 and LTB1 B2 at the Outdoor Condenser Section ReliaTel Units To enable the Evaporator Defrost Control Switch move wire W11 from LTB2 B2 to LTB2 R and move wire W12 from LTB2 B1 to LTB2 CD at the Indoor Air Handler Section Note Refer to wiring schematics for more detail Heating and Cooling Setpoint Arbitration Figure 23 Discharge air cooling setpoint 1 U BAR COD MIN 40 F TP DISCHARGE S SONT m OO PPF10 MAX 70 F m Spe IN 3 OKOKOKOKOKOKOKOKO Jl 2 g Table 9 DA heat setpoint Setpoint Voltage Setpoint Vdc F Vdc F 50 0 98 I n E sl b o uUulujuj u SSA SVXO0GE EN Voltage Voltage Installation Single Zone VAV units will require traditional Zone Heating if Heat installed and Cooling Setpoints that
54. erly insulated to prevent condensation and heat loss e Refrigerant gas piping must be insulated It is recommended that the outline drawings in the Dimensional Data section be studied and dimensions properly noted and checked against the selected installation site By noting in advance which features are to be used proper clearance allowances can be made for installation and possible future service 7 Important When installing these units free standing with discharge grills and isolators a top support with isolator should be added to prevent tipping Support and isolator can be attached to a wall or other appropriate structure If adding external accessories to the unit additional clearances must be considered for the overall space needed For installation of accessories available for this air handler follow the installation instructions that are shipped with each accessory SSA SVXO0GE EN Dimensional Data Figure 5 Height width and depth measurements A TWEO51 061 48 1 8 1222 4 39 5 8 1006 5 23 5 8 600 0 076 090 54 1 8 1374 8 49 1 8 1247 8 26 1 2 673 1 TWE126 150 156 180 69 1 8 1756 0 81 1 4 2063 7 30 762 0 TWE201 240 251 300 71 7 8 1806 6 94 1 4 2394 0 32 1 8 816 0 Note Full dimensional data is available on the following pages TWE101 120 54 1 8 1374 8 65 1 8 1654 2 26 1 2 673 1 SSA SVX06E EN 11 Dimensional Data Figure 6 4 6 5 ton air handler
55. ied to construct a trap A union or flexible tubing and clamps may be installed if the drain pan is to be removed periodically for cleaning SSA SVX06E EN Installation Note When air handler is installed in the vertical position and close proximity trapping of condensate is required use of a subbase accessory to raise the air handler for clearance of the drain trap is recommended See Figure 79 p 23 for a typical drain trap assembly Figure 19 Typical drain trap assembly VENT Materials 2 each TEE 2 each 90 ELL 1 each PLUG 2 each 6 NIPPLE 2 each 2 NIPPLE 1 each 1 NPT to PVC or COPPER ADAPTER Filter Replacement A WARNING Fiberglass Wool You MUST wear all necessary Personal Protective Equipment PPE including gloves eye protection a NIOSH approved dust mist respirator long sleeves and pants when working with products containing fiberglass wool Precautionary Measures Avoid breathing fiberglass dust Use a NIOSH approved dust mist respirator Avoid contact with the skin or eyes Wear long sleeved loose fitting clothing gloves and eye protection Wash clothes separately from other clothing rinse washer thoroughly Operations such as sawing blowing tear out and spraying may generate fiber concentrations requiring additional respiratory protection Use the appropriate NIOSH approved respirator First Aid Measures e Eye Contact Flush eyes with water to
56. ion Force Lbs Standard V Belt V Belt with Molded Notches Belts Cross Small Pitch Section Diameter Range Monthly The following warning complies with State of California law Proposition 65 44 SSA SVXO0GE EN A WARNING Hazardous Voltage w Capacitors Disconnect all electric power including remote disconnects and discharge all motor start run capacitors before servicing Follow proper lockout tagout procedures to ensure the power cannot be inadvertently energized For variable frequency drives or other energy storing components provided by Trane or others refer to the appropriate manufacturer s literature for allowable waiting periods for discharge of capacitors Verify with an appropriate voltmeter that all capacitors have discharged For additional information regarding the safe discharge of capacitors see PROD SVBO6A EN NOTICE Operating Under Vacuum Do not operate or apply power to the compressor while under a vacuum A WARNING Fiberglass Wool You MUST wear all necessary Personal Protective Equipment PPE including gloves eye protection a NIOSH approved dust mist respirator long sleeves and pants when working with products containing fiberglass wool Precautionary Measures Avoid breathing fiberglass dust Use a NIOSH approved dust mist respirator Avoid contact with the skin or eyes Wear long sleeved loose fitting clothing gloves and eye protection Wash clothes separately from o
57. kW voltage rated voltage 2 rated kW Any power supply and circuits must be wired and protected in accordance with local codes MCA and Maximum Fuse Size is based on 400V nw SSA SVX06E EN 41 Start Up Sequence of Operation NOTICE Equipment Damage Ensure the disconnect for the indoor air handler is closed before operating the system Operating the outdoor unit without the indoor fan energized can cause unit trip out on high pressure control and or liquid flood back to the compressor Variable Air Volume Applications SZVAV Supply Fan Mode Operation Units configured for SZVAV control will utilize Supply Fan Mode selection as is currently implemented into ReliaTel controls for normal Zone Control and will be selectable between AUTO and ON via a connected Zone Sensor module or through BAS Network controllers Supply Fan Mode Auto Operation For active Cooling and Heating operation the Supply Fan will be commanded ON and will ramp up to the appropriate minimum speed once the unit determines that there is a request for capacity control Once the active request is cleared and all capacity is de energized normal supply fan off delays as implemented on constant volume units will be in effect During the Supply Fan Off Delay the supply fan will remain energized for the predetermined time at the previous unit function s minimum speed All other cases which would bring the Supply Fan ON will function as on non SZVAV
58. n while unit is operating Suction Pressure lt o dd c dd gt Ambient 46 SSA SVX06E EN Wiring Diagram Matrix Table 21 Wiring schematics for TWE air handlers Electromechanical Electromechanical onnection TWEosi s Single 209 230 6o 3 2531043 ma W WA TWEO61D4 s Single co 3 231040 5 Sms 575 60 3 23150400 NA TWEOiDK 5 Single 6013 2313 0401 NA VA TWEOGIDI 5 Single 208 230 60 1 2313 0402 NA TWEO90DI 7 5 Single 208 230 6011 2313 0402 NA TWEizoDi 10 Single 208 230160 1 2312 0402 NA e 3 VA S Dua 460 2313043 NA s bua 5 60 3 2315043 NA TWEOGIEK 5 Dua 60 3 23150431 NA TwEo iei s Dual 208 230 60 i 2313 0432 NA TwEosoEi 75 Dual 208 230 60 WA TwEizoEi 10 Dual 208 230 60 WA NA A um d 23120431 ee Ga EN ss m EA d BR NI TWEO90D3 7 5 Single 208 230 60 3 2313 0401 2313 0451 2313 0453 1213 1400 1213 1401 3 VA A TWEO90D4 7 5 Single 460 60 2313 0401 2313 0451 2313 0453 1213 1400 1213 1401 TWEO90DW 17 5 Single 575 60 3 2313 0401 2313 0451 2313 0453 1213 1400 1213 1401 TWEOSODK 7 5 380 2313 0401 TWE090E3 2
59. nd the nut on the suspension rod Align holes in the cabinet with structural supports and secure suspension rods to the structure then to the air handler cabinet If hole locations do not permit proper alignment with existing structure it may be necessary to field fabricate cross members on existing structural beams Note When other than bottom return is to be used side panel removal for return duct installation must be secured over the bottom opening Leveling This air handler has a double sloped drain pan In order to assure proper drainage along the length of the drain pan it is important to have the unit properly leveled Be sure the air handler is level Auxiliary Drain Pan A field fabricated auxiliary drain pan should be installed under the unit for all horizontal applications and when air handlers are installed above ceilings or in other locations where condensate overflow may cause damage This drain pan will eliminate any excess condensation that may be due to extreme humidity or an obstructed drain in the primary drain pan Drain lines from this pan must be installed but should not be connected to the primary drain line from the unit Isolate the auxiliary drain pan from both the air handler and the structure Refrigerant Piping Installation brazing leak testing and evacuation of refrigerant lines are covered in the installation instructions that shipped with the outdoor unit Read the instructions befor
60. ollow them 02015 Trane All rights reserved WARNING Proper Field Wiring Grounding Required All field wiring MUST be performed by qualified personnel Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards To avoid these hazards you MUST follow requirements for field wiring installation and grounding as described in NEC and your local state electrical codes WARNING Personal Protective Equipment PPE Required Technicians in order to protect themselves from potential electrical mechanical and chemical hazards MUST follow precautions in this manual and on the tags stickers and labels as well as the instructions below e Before installing servicing this unit technicians MUST put on all PPE required for the work being undertaken Examples cut resistant gloves sleeves butyl gloves safety glasses hard hat bump cap fall protection electrical PPE and arc flash clothing ALWAYS refer to appropriate Material Safety Data Sheets MSDS Safety Data Sheets SDS and OSHA guidelines for proper PPE When working with or around hazardous chemicals ALWAYS refer to the appropriate MSDS SDS and OSHA GHS Global Harmonized System of Classification and Labelling of Chemicals guidelines for information on allowable personal exposure levels proper respiratory protection and handling instructions If there is a risk of energized electrical contact arc or flash technicians MU
61. on TWE251 and TWE300 units SSA SVXO0GE EN Pre Installation The final position for the air handler must be dictated by required service access to it weight distribution over structural supports and by the locations of electrical refrigerant and condensate drainage connections After this is determined the following preparations should be made Unit Inspection Inspect material carefully for any shipping damage If damaged it must be reported to and claims made against the transportation company Compare the information that appears on the unit nameplate with ordering and submittal data to ensure the proper unit was shipped Available power supply must be compatible with electrical characteristics specified on component nameplates Replace damaged parts with authorized parts only Inspection Checklist To protect against loss due to damage incurred in transit complete the following checklist upon receipt of the unit Inspect individual pieces of the shipment before accepting the unit Check for obvious damage to the unit or packing material LI Inspect the unit for concealed damage before it is stored and as soon as possible after delivery Concealed damage must be reported within 15 days If concealed damage is discovered stop unpacking the shipment Do not remove damaged material from the receiving location Take photos of the damage if possible The owner must provide reasonable evidence that the damage
62. result in minor or moderate injury It could also be used to alert against unsafe practices Indicates a situation that could result in NOTICE equipment or property damage only accidents Important Environmental Concerns Scientific research has shown that certain man made chemicals can affect the earth s naturally occurring stratospheric ozone layer when released to the atmosphere In particular several of the identified chemicals that may affect the ozone layer are refrigerants that contain Chlorine Fluorine and Carbon CFCs and those containing Hydrogen Chlorine Fluorine and Carbon HCFCs Not all refrigerants containing these compounds have the same potential impact to the environment Trane advocates the responsible handling of all refrigerants including industry replacements for CFCs such as HCFCs and HFCs Important Responsible Refrigerant Practices Trane believes that responsible refrigerant practices are important to the environment our customers and the air conditioning industry All technicians who handle refrigerants must be certified The Federal Clean Air Act Section 608 sets forth the requirements for handling reclaiming recovering and recycling of certain refrigerants and the equipment that is used in these service procedures In addition some states or municipalities may have additional requirements that must also be adhered to for responsible management of refrigerants Know the applicable laws and f
63. rop it down over the lip of the opening secure l with screw 4 Install the access plate on the opposite end of the drain pain a Slide the edge of the access plate under the drain pan b Liftthe access plate and drain pan up Push the access plate in Drop the access plate down over the lip of the opening secure with screw Note If the drain pan is being moved to the vertical position install the other access plates over the horizontal position opening Figure 1 Drain pan location DRAIN PAN LOCATI HORIZONTAL APPLICATI aw N OTI C E i ERNATE DRAIN PAN LOCATION oystem Component Damage M eee These air handlers are shipped with a dry nitrogen holding charge in the coil Depress or remove the access valve cone to bleed off the nitrogen prior to brazing Temporarily cap off tubes if the refrigerant line connections are to be made later 8 SSA SVXO0GE EN Field Conversion to 460 Volt A WARNING Hazardous Voltage w Capacitors Disconnect all electric power including remote disconnects and discharge all motor start run capacitors before servicing Follow proper lockout tagout procedures to ensure the power cannot be inadvertently energized For variable frequency drives or other energy storing component
64. s provided by Trane or others refer to the appropriate manufacturer s literature for allowable waiting periods for discharge of capacitors Verify with an appropriate voltmeter that all capacitors have discharged For additional information regarding the safe discharge of capacitors see PROD SVBO6A EN A WARNING Proper Field Wiring and Grounding Required All field wiring MUST be performed by qualified personnel Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards To avoid these hazards you MUST follow requirements for field wiring installation and grounding as described in NEC and your local state electrical codes e Available power supply must agree with electrical data on component nameplate e Some standard air handlers are shipped wired for 208 230 volt applications and can be converted for 460 volt by rewiring the blower motor This includes models TWEO90D3 TWEO90E3 TWE120D3 TWE120E3 TWE150E3 TWE180E3 Converting Motor to 460 Volt 1 Ensure power is disconnected to unit by following the warning above Remove unit access panels closest to motor Open terminal cover on lead end of motor Pull voltage selector plug from low voltage selection see Figure 3 p 9 5 Shiftthe plug or rotate 180 to align plug for high voltage selection and re insert plug Important When re inserting voltage selection plug ensure it is fully seated Replace terminal cover on lea
65. the sequence that they appear in this manual Do not destroy or remove the manual from the unit The manual should remain weather protected with the unit until all installation procedures are complete Note It is notthe intention of this manual to cover all possible variations in systems that may occur or to provide comprehensive information concerning every possible contingency that may be encountered during an installation If additional information is required or if specific problems arise that are not fully discussed in this manual contact your local sales office Use the installation checklist provided In this manual to verify that all necessary installation procedures have been completed Do not use the checklist as a substitute for reading the information contained in the manual Read the entire manual before beginning installation procedures Unit Description These air handler models incorporate a single slab coil assembly improved application flexibility servicing maintenance accessibility and an improved accessory line They are fully convertible vertical to horizontal discharge without field removal of the coil assembly They are shipped ready for horizontal installation All units have one drain pan that can be installed in any one of four positions This allows for vertical or horizontal applications and right or left exit Important All dual circuit digit 7 E have intertwined coil except for the 25 t
66. ther clothing rinse washer thoroughly Operations such as sawing blowing tear out and spraying may generate fiber concentrations requiring additional respiratory protection Use the appropriate NIOSH approved respirator First Aid Measures e Eye Contact Flush eyes with water to remove dust If symptoms persist seek medical attention Skin Contact Wash affected areas gently with soap and warm water after handling Conduct the following maintenance inspections once per month SSA SVX06E EN Maintenance Inspect air filters and clean or replace if necessary Check unit wiring to ensure all connections are tight and that the wiring insulation is intact Check drain pans and condensate piping to insure they are free of obstacles Manually rotate the indoor fan to ensure proper Operation Inspect the evaporator coils for dirt and debris If the coils appear dirty clean them Observe indoor fan operation and correct any unusual or excessive vibration Clean blower wheels as needed Annually Cooling Season The following maintenance procedures must be performed at the beginning of each cooling season to ensure efficient unit operation Perform all of the monthly maintenance inspections With the unit operating check unit superheat and record the reading in the Maintenance Log p 46 Remove
67. tion on units configured with SZVAV control will utilize two separate control methodologies based on heating configurations For all Staged Heating types Electric and Gas the unit will utilize 10096 full airflow during all active heating periods like traditional Constant Volume units For Modulating Gas heat units the unit will have the ability to control the discharge air temperature to the calculated discharge air heating setpoint in order to maintain the Zone Temperature to the Zone Heating setpoint Staged Heating Operation For units configured with Mechanical or Auxiliary Heat once the control determines that there is an active heating capacity request the unit will energize the Supply Fan and ramp up to full speed The control methodology during Active Heating will be identical to traditional Constant Volume units heating stages will be energized de energized to meet the Zone Heating demand Note that all Electric staging sequences will be identical to Constant Volume units Unoccupied Cooling and Heating Operation For SZVAV units the unit will control Heating and Cooling as during Occupied periods using the normal heating and cooling SZVAV algorithms In Unoccupied periods the unit will utilize setback setpoints and Auto fan mode operation as on normal Constant Volume units Failure and Overriding Conditions Certain failure and overriding conditions require SSA SVX06E EN Start Up special handling of the Suppl
68. tive owners Revision History e With the change to Microchannel the Odyssey split system now offers a 50Hz 6 25 standard air handler TWEO76E and a 60Hz 7 5 ton standard SZVAV 2 Speed VFD air handler TWEO9OE See performance data for additional details on this new split system e Odyssey air handlers now have the ability to convert from Single Zone VAV to 2 Speed Fan control in order to comply with certain sections of California Title 24 and ASHRAE 90 1 See Installation 2 Speed VFD Units p 25 for configuration details Table of Contents Model Number Description Ar MANO sud draco pud Rar prx i ons General Information Unit Description Pre Installation Unit InspectlOll us edi eC H Inspection Checklist Testing for Lifting Recommendations Repositioning Drain Field Conversion to 460 Volt Converting Motor to 460 Volt Refrigerant Reorienting Evaporator Coil TWE126 150 and 156 180 Preparation for Refrigerant Installations Limitations and Dimensional Data cx oia itla eR PEE GER dues wah E PRU Alit Handli ecesas arene ee ao Ace Seed
69. turn on the TWEO51 061 076 090 101 and 120 models Air Flow Settings Standard Units Unit is shipped for nominal airflow with nominal static pressure Please refer to the fan performance table in either the product catalog or unit service facts and select the proper drive package for each application Failure to do so could result in improper airflow causing coil frosting or condensate management problems Condensate management problems such as water blow off could be the result of too great of air face velocity across the coil To ensure proper operation refer to Fan Belt Adjustment p 44 24 SZVAV Units For SZVAV units air flow is set by using potentiometer R 136 on the ReliaTel options module found in the air handler control box see Figure 21 p 24 The potentiometer will adjust the maximum air flow between the range of 60 Hz to 44 50 Hz If the desired maximum operating point from the catalog fan table is lower than 44 50 Hz parameter 6 15 on the VFD must be reprogrammed to 50 Hz The VFD is preset from the factory to a default of 25 Hz for the lower limit and does not need to be reprogrammed Figure 21 ReliaTel options module M J9 JO Ji yat SN 2000000 M j z RIEN e B i EXH DA HEAT FAN nx h DA COOL FAN SPD DEHUMID GN GE 0 leee en 00006000008 J5 Measure the voltage between TP1 on the RTOM
70. ty will be requested Occupied Cooling Operation For normal Cooling operation available Cooling capacity will be staged or modulated in order to meet the calculated discharge air setpoint between the user selected upper and lower limits If the current active cooling capacity is controlling the discharge air within the deadband no additional Cooling capacity change will be requested As the Discharge Air Temperature rises above the deadband the control will request additional capacity as required additional compressor operation As the Discharge Air Temperature falls below the deadband the algorithm will request a reduction in active capacity Compressor Cooling Compressor output control and protection schemes will function similar to non SZVAV units Normal compressor HPC and LPC control will remain in effect as well as normal 3 minute minimum on off and inter stage timers Also the condenser fans will be controlled similar to non SZVAV units Cooling Sequence If the control determines that there is a need for compressor stages in order to meet the discharge air requirements once supply fan proving has been made the unit will begin to stage compressors accordingly Note that a 5 second delay will be enforced between the command for supply fan output operation and the command for compressor output operation This delay is enforced to ensure that the supply fan is energized and ramping up to operating speed prior to energizing
71. with an appropriate voltmeter that all capacitors have discharged For additional information regarding the safe discharge of capacitors see PROD SVBO6A EN A WARNING Proper Field Wiring and Grounding Required All field wiring MUST be performed by qualified personnel Improperly installed and grounded field wiring poses FIRE and ELECTROCUTION hazards To avoid these hazards you MUST follow requirements for field wiring installation and grounding as described in NEC and your local state electrical codes 1 All electrical lines sizing protection and grounding must be in accordance with the National Electric Code and local codes 2 Isolate conduit whenever vibration transmission may cause a noise problem within the building structure 26 3 Ensure all connections are tight and no wires exposed 4 All accessories must be installed and wired according to the instructions packaged with that accessory For air handler power entry only or for dual power entry power entry for air handler and power entry for electric heats the electrical connections are made in the fan control box located in the right side of the air handler and electric heater respectively Wiring entrance is through holes provided in the end of the air handler cabinet Figure 22 p 26 Breaker or fuse size can be selected using the nameplates attached to the unit and electric heater Figure 22 Electrical entries Control Wiring 0 Heat
72. y Fan Speed on units configured with SZVAV See below for a list of these conditions 1 Supply Fan Proving Failure If a Supply Fan Proving failure is detected the Supply Fan will be de energized after 40s of run time and the Fan Speed output will go to the corresponding minimum speed voltage 2 Zone Temperature Sensor Failure If the Active Zone Temperature input goes out of range the unit will discontinue all Heating Cooling and Dehumidification operation 3 Supply Air Temperature Sensor Failure If the Supply Air Temperature input goes out of range the unit will revert back to Full Airflow Traditional CV control The unit will call out a Supply Air Temperature Sensor Failure Alarm the RTRM System LED will flash the 2 blink error code and Cool LEDs will flash 2 Speed VFD Applications General Description of Functionality Cooling Operation DX Cooling Units with a 2 Speed VFD control scheme will utilize a thermostat s heating and cooling outputs to differentiate between high and low speed When the unit receives a G or Y1 call from the thermostat the supply fan will run at the user selected low speed Once the zone load demands the second stage of cooling and the unit receives the Y2 call from the thermostat the supply fan will be signaled to run at the user selected high speed All other compressor staging will be handled the same as all standard thermostat controlled units Heating Operation Units with 2 Spee

Trane Odyssey 6 to 25 Tons Installation and Maintenance Manual

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