Trane IntelliPak RA 20 Installation, Operation And Maintenance Manual Download Page 15

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RT-SVX063E-EN

Table 1. Unit Dimensions (continued)

Tons

Refrigeration

System

Performance

Unit Function

Relief Option

Outside Air

Pre-Evaporator Coil

Filter

Overall

Length

(in.)

Foot-

print

Length

(in.)

Type

Digit

Type

Digit

Type

Digit

Type Digit 27

Type

Digit 24

Standard

No Heat

Relief Fan

Yes

1,2,3,4

Panel

A,B,C,D,F,G

268.50

266.15

81.59 116.13

Cartridge

E,H

287.50

285.15

Barometric

Relief

Yes

1,2,3,4

Panel

A,B,C,D,F,G

268.50

229.66

Cartridge

E,H

287.50

248.66

None

Panel

A,B,C,D,F,G

229.66

Cartridge

E,H

248.66

Electric

Heat,

Gas

Heat,

No Heat -
Extended

Casing

EFX

Relief Fan

Yes

1,2,3,4

Panel

A,B,C,D,F,G

320.73

318.37

Cartridge

E,H

339.73

337.37

Barometric

Relief

Yes

1,2,3,4

Panel

A,B,C,D,F,G

320.73

281.88

Cartridge

E,H

339.73

300.88

None

Panel

A,B,C,D,F,G

281.88

Cartridge

E,H

300.88

High

Efficiency

No Heat

Relief Fan

Yes

1,2,3,4

Panel

A,B,C,D,F,G

316.50

314.15

Cartridge

E,H

347.50

345.15

Barometric

Relief

Yes

1,2,3,4

Panel

A,B,C,D,F,G

316.50

277.65

Cartridge

E,H

347.50

308.65

None

Panel

A,B,C,D,F,G

277.65

Cartridge

E,H

308.65

Electric

Heat,

Gas

Heat,

No Heat -
Extended

Casing

EFX

Relief Fan

Yes

1,2,3,4

Panel

A,B,C,D,F,G

368.70

366.35

Cartridge

E,H

399.70

397.35

Barometric

Relief

Yes

1,2,3,4

Panel

A,B,C,D,F,G

368.70

329.86

Cartridge

E,H

399.70

360.86

None

Panel

A,B,C,D,F,G

329.86

Cartridge

E,H

360.86

eFlex™

No Heat

Relief Fan

Yes

1,2,3,4

Panel

A,B,C,D,F,G

316.50

314.15

Cartridge

E,H

347.50

345.15

Barometric

Relief

Yes

1,2,3,4

Panel

A,B,C,D,F,G

316.50

277.65

Cartridge

E,H

347.50

308.65

None

Panel

A,B,C,D,F,G

277.65

Cartridge

E,H

308.65

Electric

Heat,

Gas

Heat,

No Heat -
Extended

Casing

EFX

Relief Fan

Yes

1,2,3,4

Panel

A,B,C,D,F,G

368.70

366.35

Cartridge

E,H

399.70

397.35

Barometric

Relief

Yes

1,2,3,4

Panel

A,B,C,D,F,G

368.70

329.86

Cartridge

E,H

399.70

360.86

None

Panel

A,B,C,D,F,G

329.86

Cartridge

E,H

360.86

Notes:

Difference between overall length and footprint length is outside air hood.

Refrigeration System Performance impacts length in 70 and 75 ton due to staggered coil configuration

Diim

nssiio

all D

atta

Summary of Contents for IntelliPak RA 20

Page 1: ...sted 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 t...

Page 2: ...ar r p pr ro op pe er r P PP PE E f fo or r t th he e j jo ob b b be ei in ng g u un nd de er rt ta ak ke en n c co ou ul ld d r re es su ul lt t i in n d de ea at th h o or r s se er ri io ou us s i...

Page 3: ...operate or service this equipment I Im mp po or rt ta an nt t The procedures discussed in this manual should only be performed by qualified and experienced HVAC technicians This booklet describes prop...

Page 4: ...iring 36 Supply Fans 38 Remove Shipping Tie Down 38 O A Sensor and Tubing Installation 39 Refrigeration System 40 Condensate Drain Connections 40 Compressor Crankcase Heaters 41 Gas Heat Units 41 Conn...

Page 5: ...out StatitracTM 73 Discharge Air Temperature Control 73 Multi Zone VAV and Constant Volume Discharge Temperature Units 73 Supply Air Tempering 73 Changeover Input 73 VAV Box Relay Output 73 Discharge...

Page 6: ...er Control 88 Overrides 88 Local Stop 88 Emergency Stop 89 External Stop 89 Manual Control 89 Ventilation Override 89 Emergency Override 90 Operating Mode OFF and Normal Operating Modes 91 Heat Cool C...

Page 7: ...ramming Parameters 133 Microchannel Condenser Coil Repair and Replacement 133 Fall Restraint 133 Symbio 800 Replacement 134 Final Process 134 Wiring Diagrams 136 Warranty and Liability Clause 138 COMM...

Page 8: ...Zone Temperature 1 Constant Volume Discharge Air Temperature 2 Single Zone VAV Zone Temperature 3 Multi Zone VAV Discharge Air Temperature Digit 15 Dual Supply Fan Direct Drive A 16 5 inch 80 width B...

Page 9: ...1 Hot Gas Reheat 3 Hot Gas Bypass 4 Hot Gas Reheat Hot Gas Bypass Digit 42 Service Valves A Discharge B Compressor Isolation Suction Discharge Digit 43 Evaporator Coil Drain Pan 1 Galvanized Steel 2...

Page 10: ...d Max input rate manifold pressure and air rise for the heater is listed on the nameplate Unit Description Each single zone rooftop air conditioner ships fully assembled from the factory An optional r...

Page 11: ...il Concealed damage must be reported within 15 days Request an immediate joint inspection of the damage with the carrier and consignee Stop unpacking the unit Do not remove damaged material from recei...

Page 12: ...disassembly and reassembly work The installing contractor must notify Trane or an agent of Trane specifically authorized to perform start up and warranty of Trane products two weeks in advance of the...

Page 13: ...ef Fan 2 Yes 1 2 3 4 Panel A B C D F G 268 56 260 64 81 59 90 63 Cartridge E H 287 56 279 64 Barometric Relief 1 Yes 1 2 3 4 Panel A B C D F G 268 56 229 66 Cartridge E H 287 56 248 66 None 0 None 0 P...

Page 14: ...G 316 50 314 15 Cartridge E H 347 50 345 15 Barometric Relief 1 Yes 1 2 3 4 Panel A B C D F G 316 50 277 65 Cartridge E H 347 50 308 65 None 0 None 0 Panel A B C D F G 277 65 277 65 Cartridge E H 308...

Page 15: ...G 316 50 277 65 Cartridge E H 347 50 308 65 None 0 None 0 Panel A B C D F G 277 65 277 65 Cartridge E H 308 65 308 65 Electric Heat Gas Heat No Heat Extended Casing EFX Relief Fan 2 Yes 1 2 3 4 Panel...

Page 16: ...16 RT SVX063E EN Figure 1 20 to 30 ton front view inches 40 28 90 63 27 31 FRONT VIEW 20 30T D Di im me en ns si io on na al l D Da at ta a...

Page 17: ...17 Figure 2 20 to 30 ton left view of sample configuration inches 87 66 40 61 69 33 81 59 38 85 213 00 220 88 LEFT SIDE VIEW 20 30T NO HEAT RELIEF FANS PANEL FILTERS D Di im me en ns si io on na al l...

Page 18: ...18 RT SVX063E EN Figure 3 40 to 55 ton front view inches 27 31 40 28 90 63 FRONT VIEW 40 55T D Di im me en ns si io on na al l D Da at ta a...

Page 19: ...on left view of sample configuration inches 79 33 81 59 87 66 300 88 LEFT SIDE VIEW 40 55T ELECT HT CART FILTERS Figure 5 60 to 75 ton front view inches 27 32 40 38 116 13 FRONT VIEW 60 75T D Di im me...

Page 20: ...w of sample configuration inches 79 71 281 88 81 59 87 90 4 52 23 29 41 27 38 63 320 73 LEFT SIDE VIEW 60 75T GAS HEAT BAROMETRIC RELIEF PANEL FILTERS Roof Curb Figure 7 Service clearance 96 96 72 96...

Page 21: ...gure 8 Roof curb dimensions inches 18 00 C E OPENING A TOP OF CURB B M K OPENING 16 60 R 1 33 7 00 7 50 S N G 4 01 4 01 F RETURN OPENING L SUPPLY OPENING V U BOTTOM OF CURB D Di im me en ns si io on n...

Page 22: ...177 75 84 50 33 05 33 63 76 49 23 85 28 50 76 49 58 72 59 12 95 94 94 50 178 07 84 82 118 29 156 03 RX 60 75 T PANEL FILTER 179 99 110 00 3 58 32 12 101 99 3 60 29 50 93 00 111 19 59 12 121 44 120 00...

Page 23: ...E TYPICAL PEDESTAL BASE DETAIL SECT B B 2 x 4 NAILER PEDESTAL BASE SIDE VIEW OF PEDESTAL TYPICAL ROOF CURB BASE DETAIL SECT A A 2 X 4 NAILER GASKET BASE ROOF CURB TYPICAL PEDESTAL BASE DETAIL SECT C C...

Page 24: ...rical connections inches 6 48 8 06 3 54 OR 4 55 POWER BOX TOP VIEW ELECTRIC MAIN POWER ENTRY REAR ISO VIEW ELECTRIC MAIN POWER ENTRY CONTROL BOX DOOR CONTROL BOX SIDE PANEL ISO VIEW A B CAB ISO VIEW C...

Page 25: ...9 5 25 5 20 25 5 18 5 20 5 26 5 32 PLAN VIEW 20 30T DOOR LAYOUT SUPPLY FAN CONTROL BOX POWER BOX 20 Figure 12 Minimum access clearances 40 to 55 ton OUTSIDE AIR CONTROL BOX SUPPLY FAN CONTROL BOX GAS...

Page 26: ...AIR CONTROL BOX RELIEF FANS HOOD ECONOMIZER PRE FILTER EVAPORATOR COIL FINAL FILTER CONTROL BOX SUPPLY FAN SUPPLY FAN CB VFD PB PLAN VIEW 60 75T DOOR LAYOUT SUPPLY FAN CONTROL BOX POWER BOX 19 5 25 5...

Page 27: ...n ng g w wh hi ic ch h c co ou ul ld d r re es su ul lt t i in n d de ea at th h o or r s se er ri io ou us s i in nj ju ur ry y a an nd d e eq qu ui ip pm me en nt t o or r p pr ro op pe er rt ty y o...

Page 28: ...50 55 RA Yes All 36 NA 202 No All 36 NA 183 RX Yes All 36 165 254 No All 36 165 235 C 60 RA Yes All 36 111 202 No All 36 111 183 RX Yes All 36 165 254 No All 36 165 235 C 70 75 RA Yes High Eflex 36 16...

Page 29: ...Wiring Complete the field wiring connections for the constant volume controls as applicable Complete the field wiring connections for the variable air volume controls as applicable N No ot te e All fi...

Page 30: ...en ns se ed d e el le ec ct tr ri ic ci ia an n o or r o ot th he er r i in nd di iv vi id du ua al l w wh ho o h ha as s b be ee en n p pr ro op pe er rl ly y t tr ra ai in ne ed d i in n h ha an nd...

Page 31: ...50 kW MCA 1 25 x LOAD1 LOAD2 LOAD4 1 25 x LOAD3 For units using heaters equal to or greater than 50 kW MCA 1 25 x LOAD1 LOAD2 LOAD4 1 0 x LOAD3 The nameplate MCA value will be the larger of the cooli...

Page 32: ...142 0 15 2 103 0 50 Std 2 40 3 267 0 40 3 267 0 19 1 142 0 15 8 103 0 2 45 6 304 0 42 3 304 0 19 8 147 0 17 2 122 0 50 Hi Eff 2 40 3 267 0 40 3 267 0 19 1 142 0 15 8 103 0 2 45 6 304 0 42 3 304 0 19 8...

Page 33: ...7 2 2 55 Std 4 5 4 5 4 2 7 2 2 55 Low Ambient 2 a 5 6 5 6 2 9 2 4 2 5 4 5 4 2 7 2 2 60 Std 6 4 1 4 1 1 8 1 4 60 Low Ambient 2 a 5 6 5 6 2 9 2 4 4 4 1 4 1 1 8 1 4 70 Std 6 4 1 4 1 1 8 1 4 70 Low Ambie...

Page 34: ...otor 6 pole with out VFD Bypass 1 5 5 6 5 6 3 5 3 7 3 14 1 14 1 4 7 3 7 5 21 0 14 1 8 3 5 0 7 5 41 0 21 0 11 2 11 9 10 41 0 41 0 22 1 16 5 15 52 7 41 0 22 1 16 5 20 52 7 52 7 29 9 27 0 Notes 1 FLA is...

Page 35: ...oling modes 20 to 75 tons Nom Tons Digit 2 Unit Function Voltage 200 230 460 575 FLA FLA FLA FLA All All 10 10 4 5 3 5 Table 9 Voltage utilization range Unit Voltage Voltage Utilization Range 200 60 3...

Page 36: ...or rm me ed d b by y q qu ua al li if fi ie ed d p pe er rs so on nn ne el l I Im mp pr ro op pe er rl ly y i in ns st ta al ll le ed d a an nd d g gr ro ou un nd de ed d f fi ie el ld d w wi ir ri i...

Page 37: ...with Main Power Terminal Block All Voltages Units with Main Power Disconnect Switch All Voltages Block Size Wire Qty Connector Wire Range Block Size Wire Qty Connector Wire Range 510 AMP 2 6 250 kcmi...

Page 38: ...reposition fan to get correct wheel cone overlap Figure 17 Remove shipping tie downs Tiedown Tiedown Clearance Clearance Figure 18 Shipping tie down I Im mp po or rt ta an nt t Do NOT remove electrica...

Page 39: ...otted mounting bracket b 50 ft tubing c Mounting hardware 2 Install the O A static pressure sensor horizontally to the roof rail at the return end of the unit 3 Remove the dust cap from the tubing con...

Page 40: ...frigeration System Condensate Drain Connections All condensate drain connections must be connected to the evaporator drain connections A condensate trap must be installed due to the drain connection b...

Page 41: ...t t th he es se e s su ub bs st ta an nc ce es s m ma ay y c ca au us se e c ca an nc ce er r b bi ir rt th h d de ef fe ec ct ts s o or r o ot th he er r r re ep pr ro od du uc ct ti iv ve e h ha ar...

Page 42: ...ur re e r re eg gu ul la at to or r t to o p pr ro op pe er rl ly y r re eg gu ul la at te e g ga as s p pr re es ss su ur re e D DO O N NO OT T o ov ve er rs si iz ze e t th he e r re eg gu ul la at...

Page 43: ...60 75 1200 MBh 10 5 13 35 5 42 11 58 Connecting the Gas Supply Line to the Furnace Gas Train Follow the steps below to complete the installation between the supply gas line and the furnace Refer to th...

Page 44: ...r and the total length when determining the appropriate gas pipe size 3 Obtain the Specific Gravity and BTU Cu Ft from the gas company 4 The following example demonstrates the considerations necessary...

Page 45: ...1 52 52 52 53 53 350 49 50 50 51 51 51 52 52 52 500 50 51 51 51 52 52 52 53 53 850 a 1 65 mm 52 53 53 53 53 54 54 54 1200 1 9 mm 49 49 50 50 50 51 51 52 Note Orifice sizes required to reduce input rat...

Page 46: ...shutoff valve 1 field connection elbow One stage valve on Modulating two stage valve on 2 stage Figure 28 Unit gas trains 250 350 MBh ultra modulating and 500 MBh 2 stage modulating 1 field connection...

Page 47: ...ge valve One stage valve Flue Assembly and Rain Shield Installation 1 Locate the flue vent chimney vent elbow and if required the rain shield in the supply fan section of the unit N No ot te es s 1 Re...

Page 48: ...e This will cause the actuators to rotate to approximately 5 degrees 3 Close the dampers by hand and tighten the actuator onto the jackshaft 4 Command the dampers to 0 This will cause the actuators to...

Page 49: ...er ri io ou us s i in nj ju ur ry y D Di is sc co on nn ne ec ct t a al ll l e el le ec ct tr ri ic c p po ow we er r i in nc cl lu ud di in ng g r re em mo ot te e d di is sc co on nn ne ec ct ts s b...

Page 50: ...063E EN Figure 31 Outside air damper 8 BOTTOM VIEW OUTSIDE AIR DAMPERS BOTTOM VIEW RETURN AIR DAMPERS OUTSIDE AIR DAMPERS RETURN AIR DAMPERS 1 2 3 4 5 6 7 9 10 11 14 12 13 I In ns st ta al ll la at ti...

Page 51: ...d 30 Ton 4000 0 06 0 07 0 08 0 16 0 24 0 87 6000 0 11 0 14 0 17 0 36 0 60 2 78 7000 0 14 0 21 0 25 0 49 0 83 8000 0 18 0 28 0 35 0 65 1 11 9000 0 22 0 36 0 46 0 83 1 42 10000 0 27 0 45 0 58 1 02 1 78...

Page 52: ...0 40 0 46 0 89 1 75 10000 0 35 0 56 0 65 1 33 2 57 12000 0 49 0 73 0 86 1 85 14000 0 66 0 93 1 11 2 45 16000 0 85 1 15 1 38 18000 1 07 1 39 1 68 20000 1 31 1 64 2 00 22000 1 57 1 92 2 36 24000 1 86 2...

Page 53: ...ng is less than the pressure listed in Table 20 p 53 or Table 21 p 54 for outside air damper position 100 then determine the appropriate return air pressure drop increase needed Identify the correct r...

Page 54: ...70 and 75 Ton 14000 0 34 0 48 0 61 0 78 1 28 16000 0 43 0 62 0 80 1 03 1 75 18000 0 54 0 78 1 02 1 33 2 30 20000 0 66 0 96 1 27 1 65 2 92 22000 0 78 1 15 1 55 2 02 24000 0 92 1 37 1 85 2 42 26000 1 0...

Page 55: ...mit adjustment 9 Philips screwdriver Angle of Rotation Limiter Scale Shows of Full Stroke Figure 33 Actuator auto scaling feature details Control Reversing Switch Must Be Set to Match Spring Return Di...

Page 56: ...o o e en ns su ur re e t th he e p po ow we er r c ca an n n no ot t b be e i in na ad dv ve er rt te en nt tl ly y e en ne er rg gi iz ze ed d V Ve er ri if fy y t th ha at t n no o p po ow we er r i...

Page 57: ...etup and troubleshoot supply fan operation navigate to Supply Fan Manual Override by following the steps provided below N No ot te e The unit s design supply airflow is established when the supply fan...

Page 58: ...ief Airflow Measurement Piezometer pressure taps are available to measure supply and relief airflow Piezometer pressure taps can interface with customer supplied airflow monitoring systems using the F...

Page 59: ...re es su ul lt t i in n d de ea at th h o or r s se er ri io ou us s i in nj ju ur ry y T Th he e s st ta at te e o of f C Ca al li if fo or rn ni ia a h ha as s d de et te er rm mi in ne ed d t th ha...

Page 60: ...d at least 4 inches down from the outlet 2 Compare the measured oxygen level to the combustion curve in Figure 34 p 60 The oxygen content of the flue gas should be 4 to 5 If the oxygen level is outsid...

Page 61: ...cl lu ud di in ng g r re em mo ot te e d di is sc co on nn ne ec ct ts s b be ef fo or re e s se er rv vi ic ci in ng g F Fo ol ll lo ow w p pr ro op pe er r l lo oc ck ko ou ut t t ta ag go ou ut t...

Page 62: ...ed Yes No 8 Verify unit is grounded Confirm a ground wire is coming from the power source Yes No 9 Verify main power feed wire gauge is properly sized for current load Yes No 10 Verify all wiring conn...

Page 63: ...tion Suggested Parameter Economizer Settings Region 1 Region 2 Region 3 Region 4 Region 5 Region 6 Region 7 Supply Air Temperature Control Setpoint 55 F Supply Air Temperature Deadband 8 F 2 F eFlex S...

Page 64: ...64 RT SVX063E EN Figure 37 Dry bulb changeover map S St ta ar rt tu up p t th he e U Un ni it t...

Page 65: ...ished by utilizing aggressive economizing and or compressor staging in a user adjustable amount of time After a Rapid Restart event the unit can subsequently manage the load using normal capacity cont...

Page 66: ...ll unit types On Wired sensors the timed override request ON and timed override cancel CANCEL buttons momentary modify the zone temperature thermistor resistance to a value outside the normal zone tem...

Page 67: ...atic pressure limit Once the supply fan reaches its allowed maximum speed Symbio 800 will enable heating capacity control to Discharge Air Heating Setpoint Active Ventilation is managed per the operat...

Page 68: ...vely limited by the controls Active compressor protection sub modes will be listed See Compressor Protections section for more information S Sh hu ut tt ti in ng g D Do ow wn n The circuit is preparin...

Page 69: ...damper minimum position setpoint will be overridden to 0 When active the Symbio 800 operates in a discharge air control mode modulating the outdoor air damper to provide cooling capacity per Discharg...

Page 70: ...an alternate method of fan proving See below for more details Single Fan Operation Unit parallel fans permit single fan operation if one fan fails to prove On Cooling external heat and ventilation co...

Page 71: ...point will calculate damper minimum position setpoint Outdoor Air Flow Control Traq The outdoor air damper is modulated to provide outdoor air flow cfm required by Outdoor Air Minimum Flow Setpoint Th...

Page 72: ...and space CO2 Setpoint Economizer Minimum Position Setpoint Active Settings Design Min OA Damper Pos Setpoint Max Fan Design Min OA Damper Pos Setpoint Mid Fan Design Min OA Damper Pos Setpoint Min Fa...

Page 73: ...n with mechanical cooling Multi Zone VAV and Constant Volume Discharge Temperature Units These unit types provide Discharge Air Temperature Control in all heat cool and occupancy modes of operation Th...

Page 74: ...is above the cooling setpoint this represents a space cooling load The control will calculate a Discharge Air Temperature Setpoint to satisfy the cooling demand of the space The relationship of the c...

Page 75: ...ating or cooling the supply fan operates at the minimum speed setting while providing ventilation according to occupancy setpoints Alternately the supply fan can be setup to cycle off when there is no...

Page 76: ...Once a compressor has been turned ON a timer will be started for that compressor The compressor will not be allowed to be turned back OFF until its timer has expired A normal stop request Front Panel...

Page 77: ...running compressor will be chosen to stop On two circuit units with both circuits active the largest running compressor that will not cause a circuit to stop will be chosen If there is only one compr...

Page 78: ...cs and are persisted until human intervention or significant unit mode change occurs The second are Inhibits which are typically temporary self correcting and may not involve a diagnostic Working in c...

Page 79: ...rge saturated temperature approaches the compressor operating threshold limit for high discharge saturated temperature Limit control action modifies the normal capacity modulation to decrease capacity...

Page 80: ...unit to run more efficiently Once the frost is removed the unit will be returned to normal operation To avoid nuisance trips at startup a ignore time delay is applied The delay time is variable and is...

Page 81: ...ntroller is power cycled The HGBP valve electronic controller does this automatically EXV Control Electronic Expansion Valve Electronic expansion valves EXVs control suction superheat to ensure the co...

Page 82: ...ssors on the circuit start Stopping EXV commanded to close Remain in state until EXVs report that they are closed Running EXV operates in pre start control or in automatic control after the pre positi...

Page 83: ...ir damper fault will have two fault detection components faults that are generated when operating in minimum ventilation mode and another set when the damper is being controlled by the economizer F FD...

Page 84: ...hot gas reheat valve modulates to maintain a space temperature setpoint Unoccupied Dehumidification control disables when space relative humidity is less than Space Dehumidification Unoccupied Setpoin...

Page 85: ...d when the inducer is de energized or does not close after the inducer is energized the control will wait a predetermined time for the air switch to correct itself if not then lock out Control will go...

Page 86: ...l reset temperature limit is also mounted near the top of the terminal plate and serves as backup protection When exposed to high temperature it will turn all stages of heat off until the reset button...

Page 87: ...s Indicates the requested speed to the supply fan 0 when fan is off Table 36 Supply fan speed setpoint summary Supply Fan Speed Setpoint Enable Supply Fan Speed Setpoint Supply fan operation Disable N...

Page 88: ...tervene or override normal operation These functions allow control over the IntelliPak unit as well as a means for the Service Technician to accomplish their tasks The order of priorities are listed F...

Page 89: ...Mode A Mode B Mode C Mode D Mode E When any of the normally open contacts are closed VOM initiates specified functions such as space pressurization exhaust purge purge with supply air pressure contro...

Page 90: ...n Relief fan Relief damper On Open VAV Box Relay Energized a Supply fan will operate at full speed or a limited speed not to exceed duct static pressure high limit Emergency Override Emergency overrid...

Page 91: ...capacity based on active Cooling Capacity Enable Primary Heat Enable or Demand Limit Setpoint The lowest commanded value will be honored In an example Heat Cool Lockouts are not active Cooling Capaci...

Page 92: ...he drain becomes obstructed the condensate level will begin to rise and the Condensate Overflow input will be activated When a high condensate level is detected the unit shuts down and a non latching...

Page 93: ...nditions that cause excessive motor temperature These include rapid cycling loss of charge abnormally high suction temperatures excessive amperage phase loss and low voltage CSHN Compressors PTC senso...

Page 94: ...t 2 Condenser Fans Motors Comp 2B 2M5 2M6 2M7 Comp 1A 2M1 Comp 2A 2M4 Circuit 1 Condenser Fans Motors Refrigeration Systems 40V 50V 55V 2M9 2M10 Circuit 2 Condenser Fans Motors Comp 2B 2M5 Comp 1A 2M1...

Page 95: ...ON ON 1500 5010 a Variable Speed Compressor Table 47 Compressor staging 40V Ca pacity Step Comp 1A a Comp 2A Comp 2B Speed Min Speed Max 1 ON 1800 5202 2 ON ON 1998 5400 3 ON ON ON 2520 5940 a Variabl...

Page 96: ...Min Spe ed Max 1 ON 2160 4680 2 ON ON 1590 4680 Table 52 Compressor staging 75V continued Ca paci ty Step Comp 1A a Comp 1B Comp 2A Comp 2B Spe ed Min Spe ed Max 3 ON ON ON b 2100 4980 ON ON ON ON 150...

Page 97: ...1000 12000 Sta c Pressure Inches w c Airflow CFM N No ot te e Maximum airflow for cULus approval as follows 20 ton 9000 CFM 25 ton 11 250 CFM 30 ton 13 500 CFM Figure 44 20 25 and 30 ton 16 5 inches 9...

Page 98: ...ssure Inches w c Airflow CFM N No ot te e Maximum airflow for cULus approval as follows 20 ton 9000 CFM 25 ton 11 250 CFM 30 ton 13 500 CFM Figure 48 40 50 and 55 ton 18 2 inch 9 blade 100 width suppl...

Page 99: ...mum airflow for cULus approval as follows 40 ton 18 000 CFM 50 55 ton 24 750 CFM Figure 52 60 70 and 75 ton 22 2 inch 9 blade 100 width supply fan 2200 RPM 2100 RPM 2000 RPM 1900 RPM 1800 RPM 1700 RPM...

Page 100: ...PM 1600 RPM 1500 RPM 1400 RPM 1300 RPM 1200 RPM 1100 RPM 900 RPM 1000 RPM 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 Sta c Pre...

Page 101: ...2500 15000 17500 20000 22500 Sta c Pressure Inches w c Airflow CFM Figure 61 60 70 and 75 ton 16 hp relief fan two fan array 1800 RPM 1700 RPM 1600 RPM 1500 RPM 1400 RPM 1300 RPM 1200 RPM 1100 RPM 100...

Page 102: ...12 000 0 37 14 000 0 5 16 000 0 65 18 000 0 83 20 000 1 02 22 000 1 24 60 75 Dual or Three Fan Array 6 000 0 07 8 000 0 12 10 000 0 19 12 000 0 27 14 000 0 37 16 000 0 48 18 000 0 61 20 000 0 75 22 0...

Page 103: ...0 19 0 08 0 02 0 02 10000 0 19 0 20 0 30 0 34 0 31 0 34 0 02 0 37 0 11 0 30 0 14 0 08 0 13 0 12 0 31 0 26 0 29 0 13 0 03 0 03 12000 0 23 0 27 0 36 0 46 0 45 0 49 0 03 0 53 0 16 0 43 0 20 0 11 0 19 0 1...

Page 104: ...78 0 57 0 78 0 12 2 22 2 81 2 50 1 06 0 31 0 58 0 51 1 52 1 35 1 53 0 90 0 99 0 99 75 15000 0 47 0 51 0 24 0 26 0 24 0 26 0 03 0 56 0 70 0 63 0 26 0 08 0 14 0 13 0 38 0 34 0 38 0 22 0 25 0 25 18000 0...

Page 105: ...e its speed controlled by a VFD These speed adjustments are primarily based on the head pressure transducer s reading for each refrigerant circuit Table 55 Minimum outside air temperature Low Ambient...

Page 106: ...c cl lu ud di in ng g r re em mo ot te e d di is sc co on nn ne ec ct ts s a an nd d m ma ak ke e s su ur re e t th he e U UV V l li ig gh ht ts s a ar re e o of ff f b be ef fo or re e s se er rv vi...

Page 107: ...20x12 41 6 4 20x20x2 4 20x20x12 39 1 7 20x24x2 7 20x24x4 6 20x24x2 6 20x24x12 6 20x24x2 6 20x24x12 2 24x24x2 2 24x24x4 4 24x24x2 4 24x24x12 2 24x24x2 2 24x24x12 55 3 20x20x2 39 7 3 20x20x4 39 7 2 20x2...

Page 108: ...able 61 2 and 4 panel filters 70H V 75S 75H V ton 20x24 20x24 20x24 24x24 24x24 20x24 20x24 20x24 24x24 24x24 Table 62 Cartridge filters 20 30 ton 16x20 16x20 16x20 16x20 20x20 20x20 20x24 20x24 20x20...

Page 109: ...nn ne ec ct t a al ll l e el le ec ct tr ri ic c p po ow we er r i in nc cl lu ud di in ng g r re em mo ot te e d di is sc co on nn ne ec ct ts s b be ef fo or re e s se er rv vi ic ci in ng g F Fo ol...

Page 110: ...j ju ur ry y T Th he e s st ta at te e o of f C Ca al li if fo or rn ni ia a h ha as s d de et te er rm mi in ne ed d t th ha at t t th he es se e s su ub bs st ta an nc ce es s m ma ay y c ca au us s...

Page 111: ...ation 16 0 Refrigeration System W WA AR RN NI IN NG G R R 4 41 10 0A A R Re ef fr ri ig ge er ra an nt t u un nd de er r H Hi ig gh he er r P Pr re es ss su ur re e t th ha an n R R 2 22 2 F Fa ai il...

Page 112: ...essor damage Allow the crankcase heater to operate a minimum of 8 hours before starting the unit Charge Storage Due to the reduced capacity of the microchannel condenser coil compared to the round tub...

Page 113: ...t 75 F Ambient 65 F Ambient 105 F Ambient N No ot te es s C Ch ha ar rg gi in ng g a at t A AH HR RI I f fu ul ll l l lo oa ad d d de es si ig gn n c co on nd di it ti io on ns s Suction pressure 132...

Page 114: ...at t o ot th he er r c co on nd di it ti io on ns s Subcooling range 13 17 F Figure 66 Pressure curve 25 tons standard efficiency 200 250 300 350 400 450 500 90 100 110 120 130 140 150 160 170 180 Dis...

Page 115: ...g g a at t o ot th he er r c co on nd di it ti io on ns s Subcooling range 13 17 F Figure 68 Pressure curve 25 tons eFlex variable speed 200 250 300 350 400 450 500 90 100 110 120 130 140 150 160 170...

Page 116: ...a at t o ot th he er r c co on nd di it ti io on ns s Subcooling range 13 17 F Figure 70 Pressure curve 30 tons high efficiency 200 250 300 350 400 450 500 90 100 110 120 130 140 150 160 170 180 105...

Page 117: ...at t o ot th he er r c co on nd di it ti io on ns s Subcooling range 19 23 F Figure 72 Pressure curve 40 tons standard efficiency 200 250 300 350 400 450 500 90 100 110 120 130 140 150 160 170 180 95...

Page 118: ...i it ti io on ns s Subcooling range 13 17 F Figure 74 Pressure curve 40 tons eFlex variable speed 200 250 300 350 400 450 500 90 100 110 120 130 140 150 160 170 180 Suction Pressure PSIG Discharge Pre...

Page 119: ...a at t o ot th he er r c co on nd di it ti io on ns s Subcooling range 13 17 F Figure 76 Pressure curve 50 tons high efficiency 200 250 300 350 400 450 500 90 100 110 120 130 140 150 160 170 180 Sucti...

Page 120: ...F C Ch ha ar rg gi in ng g a at t o ot th he er r c co on nd di it ti io on ns s Subcooling range 19 23 F Figure 78 Pressure curve 55 tons standard efficiency 200 250 300 350 400 450 500 90 100 110 12...

Page 121: ...i it ti io on ns s Subcooling range 19 23 F Figure 80 Pressure curve 55 tons eFlex variable speed Suction Pressure PSIG Discharge Pressure PSIG 200 250 300 350 400 450 500 90 100 110 120 130 140 150 1...

Page 122: ...a at t o ot th he er r c co on nd di it ti io on ns s Subcooling range 13 17 F Figure 82 Pressure curve 60 tons high efficiency 200 250 300 350 400 450 500 90 100 110 120 130 140 150 160 170 180 Sucti...

Page 123: ...F C Ch ha ar rg gi in ng g a at t o ot th he er r c co on nd di it ti io on ns s Subcooling range 13 17 F Figure 84 Pressure curve 70 tons standard efficiency 200 250 300 350 400 450 500 90 100 110 12...

Page 124: ...i it ti io on ns s Subcooling range 19 23 F Figure 86 Pressure curve 70 tons eFlex variable speed Discharge Pressure PSIG Suction Pressure PSIG 200 250 300 350 400 450 500 90 100 110 120 130 140 150 1...

Page 125: ...a at t o ot th he er r c co on nd di it ti io on ns s Subcooling range 13 17 F Figure 88 Pressure curve 75 tons high efficiency Discharge Pressure PSIG Suction Pressure PSIG 200 250 300 350 400 450 50...

Page 126: ...e of the following Compressor operating at extremely high condensing temperatures High superheat A compressor mechanical failure Occurrence of a motor burnout If a motor burnout is suspected use an ac...

Page 127: ...upplemental lubrication This prevents excessive oil circulation to the system The solenoid is controlled by the inverter and switches at 3900 RPM for the VZH088 3300 RPM for the VZH117 and 2700 RPM fo...

Page 128: ...estrictor to balance the oil levels in the compressors see figure below This restrictor is placed in the smaller capacity compressor When replacing this compressor it is imperative that the proper res...

Page 129: ...nt option is installed will need to be verified or changed as described in Item8 Some of the parameters listed in the table are motor and application specific Due to various motors and efficiencies av...

Page 130: ...0 No function 3 41 Ramp 1 Ramp Up Time s 30 30s 3 42 Ramp 1 Ramp Down Time s 30 30s 4 12 Motor Speed Low Limit Hz 20 20Hz for 4 Pole 18 18Hz for 6 Pole 4 14 Motor Speed High Limit Hz See Table 18 for...

Page 131: ...60Hz for 208 230V 60Hz units 122 440 480V 60Hz for 460V 60Hz units 132 525 600V 60Hz for 575V 60Hz units 12 380 440V 50Hz for 380 415V 50Hz supply For IT Grid no ground connections or Corner grounded...

Page 132: ...0 No Operation 5 13 Terminal 29 Digital Input 0 No Operation 8 30 Protocol 2 Modbus RTU 8 31 Address Set address per unit component location diagram 5 for 1TB4 6 for 1TB5 8 32 Baud Rate 7 115200 Baud...

Page 133: ...D refer to Table 73 p 133 All other parameters beside 4 18 Current Limit will be appropriately set in field replacement VFDs Do not use any other type or brand of VFD when replacing the VFD N No ot te...

Page 134: ...ee Programming Guide RT SVP011 EN Symbio UI section for instructions to replace and upgrade the Symbio 800 controller Final Process Record the unit data in the blanks provided S Se er rv vi ic ce e a...

Page 135: ...Pa Super heat F C Sub cool F C Compr Oil Level Suct Press Psig kPa Disch Press Psig kPa Liquid Press Psig kPa Super heat F C Sub cool F C ok low ok low ok low ok low ok low ok low ok low ok low ok low...

Page 136: ...1213 2642 CONTROLS SCHEMATIC 20T 75T REFRIGERATION SYSTEMS WITH VARIABLE SPEED COND FAN 1213 2590 CONTROLS SCHEMATIC 20T 75T RETURN SECTION 1 OF 2 1213 2649 CONTROLS SCHEMATIC 20T 75T RETURN SECTION...

Page 137: ...COMPONENT LAYOUT MAIN CONTROL PANEL 1213 2645 COMPONENT LAYOUT SUPPLY FAN VFD PANEL 1213 2646 COMPONENT LAYOUT RETURN CONTROLS PANEL Unit Device Locations 1213 2587 UNIT DEVICE LOCATIONS UNIT SENSORS...

Page 138: ...whatever shall attach to the Company until said products have been paid for and then said liability shall be limited to the purchase price of the equipment shown to be defective The Company makes cer...

Page 139: ...RT SVX063E EN 139 N No ot te es s...

Page 140: ...or more information please visit trane com or tranetechnologies com Trane has a policy of continuous product and product data improvements and reserves the right to change design and specifications wi...

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Trane IntelliPak RA 20, Installation, Operation And Maintenance Manual

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