Trane RTHA Installation, Operation And Maintenance Manual Download

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Figure 22.

Control power wiring (new wiring bold/highlighted in red) — RTHC(MX2 Starter)

OT SWITCH

BP1

AUX

201

202

206

203

205

204

1K11/

1K400



(N)

(H)

1K300

To T1

To T2

To T3

HPC

1K300

120/240 VAC (input)

1K11/

1K400

TO OIL

HEATERS

(4HR1, 4HR2)

1K11/

1K400

TO SHUNT

TRIP COIL

(Breaker)

TO SHUNT

TRIP

(Breaker)

1K11/

1K400

Chiller
Module

J22-1

Master Oil
Valve (4L3)

(H)

(N)

NOTE:
1. Connection to start signal is required. If you don’t use this contact, you need to place a wire to the start signal.

Optional contact.
See note 1.

To J22-1
wire 75A, B

RTHC Units with EasySTART (or Wye-Delta) Starter

RLC-SVN005B-EN

Summary of Contents for RTHA

Page 1: ...nits manufactured December 2010 and later SAFETY WARNING Only qualified personnel should install and service the equipment The installation starting up and servicing of heating ventilating and air con...

Page 2: ...eclaiming 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 mu...

Page 3: ...including remote disconnects prior to evacuating refrigeration System power shall not be applied to the chiller while the refrigerant system is in a vacuum Failure to disconnect power prior to evalua...

Page 4: ...START or Wye Delta Starter 20 Removal of Existing Starter 20 Installation of Benshaw Starter 21 Additional Components 22 Wiring 22 RTHC Units with IT or Wye Delta Starter 26 Removal of Existing Starte...

Page 5: ...mportant Do NOT energize the unit if the refrigerant side of the system is in a vacuum The Benshaw Solid State Starter is an in the delta starter The starter leads and motor leads are always energized...

Page 6: ...lly obtained cabinet fan needs to be installed in the cabinet to avoid overheating The fan can be mounted internal or external to the cabinet See Table 8 p 47 for part numbers Note The fan can be moun...

Page 7: ...tor correction or surge capacitors on the load side of the starter will result in serious damage to the starter that will NOT be covered by the starter warranty The capacitors MUST be connected to the...

Page 8: ...lling the RediStart starter 2R1 2R6 Resistors 2K1 2K4 Contactors 2U1 monitor Optional voltage current meters Figure 5 p 8 shows the basic layout of the Wye Delta starter with the components that need...

Page 9: ...2TB3 2K5 2T5 2T6 2T7 2T1 2T2 2T3 Benshaw Redistart Solid State Starter Fan CT1 CT2 CT3 Shunt Trip Breaker 2K300 2K400 2K300 2K400 The Benshaw Redistart SSS is supplied with current transformers The c...

Page 10: ...e of capacitors see PROD SVB06A EN NOTICE Starter Damage Use of power factor correction or surge capacitors on the load side of the starter will result in serious damage to the starter that will NOT b...

Page 11: ...ring bold highlighted in red RTHA MX starter 4O3HUNT4RIP FAN to shunt trip coil 1K400 1K400 1K400 4 ENSHAW 333 4 5 4 4 4 4 4 4 4 4 4 4 5 0 58 ENSHAW 3TARTER 4 4O START AND HOUR METERS RTHA Units with...

Page 12: ...K400 2K400 N H 2TB2 7 1U2C 1TB2 8 2TB2 5 2TB2 6 1TB5 4 1TB2 9 1TB2 7 2K300 1TB3 16 1TB3 17 1TB4 5 1TB4 6 1U3 2K300 1TB5 10 1TB5 10 OT SWITCH BP1 AUX 201 202 206 203 205 204 To motor oil valve To start...

Page 13: ...Figure 10 Power wire new wiring bold highlighted in red RTHA RTHA Units with Wye Delta Starters RLC SVN005B EN 13...

Page 14: ...acitors have discharged Failure to disconnect power and discharge capacitors before servicing could result in death or serious injury For additional information regarding the safe discharge of capacit...

Page 15: ...haw Starter Once all of the A515 components in Figure p 15 are removed the 2T4 transformer needs to be moved to make room for the new Benshaw starter See Figure 13 p 15 for the approximate locations o...

Page 16: ...e 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 allowa...

Page 17: ...ing bold highlighted in red RTHB MX Starter ToShuntTrip FAN to shunt trip coil 2K400 2K400 2K400 8 3 N H 2K300 TB1 L DK2 1 2 3 HPC Benshaw SSS 120 240 VAC input TB TB 2K300 2TR1 RTHB Units with A515 o...

Page 18: ...0 2K300 To T1 To T1 To T2 To T2 To T3 To T3 HPC 2K300 120 240 VAC input 2K11 2K400 2K11 2K400 TO SHUNT TRIP COIL Breaker TO SHUNT TRIP Breaker 2TR1 Optional contact See note 1 NOTE 1 Connection to sta...

Page 19: ...enshaw SSS module To TB3 CT2 on Benshaw SSS module 2CT2 2CT3 2T1 2T2 2T3 To UCP2 J16 1 To TB nuetral COMP Benshaw Starter UCP2 CT s 2CT1 Benshaw SSS CT s To J5 1 on UCP2 To J5 2 on UCP2 To J5 3 on UCP...

Page 20: ...iods for discharge of capacitors Verify with an appropriate voltmeter that all capacitors have discharged Failure to disconnect power and discharge capacitors before servicing could result in death or...

Page 21: ...he solid state starter need to be installed as close to the original current transformers as possible for proper operation Note Benshaw CTs are polarity sensitive For specific details on mounting of t...

Page 22: ...g the safe discharge of capacitors see PROD SVB06A EN NOTICE Starter Damage Use of power factor correction or surge capacitors on the load side of the starter will result in serious damage to the star...

Page 23: ...ToShuntTrip to shunt trip coil 1K400 1K400 1K400 8 3 N H 2K300 TB1 L DK2 To 1T1 To 1T2 To 1T3 HPC Benshaw SSS 1K300 120 240 VAC input TB TB 1K11 1K400 Chiller Module J22 1 Master Oil Valve 4L3 H N To...

Page 24: ...240 VAC input 1K11 1K400 TO OIL HEATERS 4HR1 4HR2 1K11 1K400 TO SHUNT TRIP COIL Breaker TO SHUNT TRIP Breaker 1K11 1K400 Chiller Module J22 1 Master Oil Valve 4L3 H N NOTE 1 Connection to start signa...

Page 25: ...enshaw SSS module To TB3 CT2 on Benshaw SSS module CT1 CT2 CT3 1T1 1T2 1T3 To UCP2 J16 1 To TB nuetral COMP Benshaw Starter UCP2 CT s Benshaw SSS CT s To J5 1 on UCP2 To J5 2 on UCP2 To J5 3 on UCP2 T...

Page 26: ...uld result in death or serious injury For additional information regarding the safe discharge of capacitors see PROD SVB06A EN The following components of an Intelligent Technology IT SSS need to be r...

Page 27: ...the factory The current transformers supplied with the solid state starter need to be installed as close to the original current transformers as possible for proper operation See Figure 29 p 31 for pr...

Page 28: ...e discharge of capacitors see PROD SVB06A EN NOTICE Starter Damage Use of power factor correction or surge capacitors on the load side of the starter will result in serious damage to the starter that...

Page 29: ...HC MX Starter ToShuntTrip to shunt trip coil 1K400 1K400 1K400 8 3 N H 2K300 TB1 L DK2 HPC Benshaw SSS 1K300 120 240 VAC input TB TB 1K11 1K400 Chiller Module J22 1 Master Oil Valve 4L3 H N To J22 1 w...

Page 30: ...120 240 VAC input 1K11 1K400 TO OIL HEATERS 4HR1 4HR2 1K11 1K400 TO SHUNT TRIP COIL Breaker TO SHUNT TRIP Breaker 1K11 1K400 Chiller Module J22 1 Master Oil Valve 4L3 H N NOTE 1 Connection to start si...

Page 31: ...n Benshaw SSS module To TB3 CT2 on Benshaw SSS module CT1 CT2 CT3 1T1 1T2 1T3 To UCP2 J16 1 To TB nuetral COMP Benshaw Starter UCP2 CT s Benshaw SSS CT s To J5 1 on UCP2 To J5 2 on UCP2 To J5 3 on UCP...

Page 32: ...ltmeter that all capacitors have discharged Failure to disconnect power and discharge capacitors before servicing could result in death or serious injury For additional information regarding the safe...

Page 33: ...stalled as shipped from the factory The current transformers supplied with the solid state starter need to be installed as close to the original current transformers as possible for proper operation S...

Page 34: ...itional information regarding the safe discharge of capacitors see PROD SVB06A EN NOTICE Starter Damage Use of power factor correction or surge capacitors on the load side of the starter will result i...

Page 35: ...Figure 34 Control power wiring new wiring bold highlighted in red RTHD MX Starter Current Transformers Potential Transformer To Shunt Trip Coil H N RTHD Units with IT Starter RLC SVN005B EN 35...

Page 36: ...ighlighted in red RTHD MX2 Starter NOTE 1 Connection to start signal is required If you don t use this contact you need to place a wire to the start signal Optional contact See note 1 To Shunt Trip Co...

Page 37: ...Figure 36 Power wiring new wiring bold highlighted in red RTHD RTHD Units with IT Starter RLC SVN005B EN 37...

Page 38: ...ection is built into the Benshaw Redistart controller Programming Benshaw Starter The Benshaw controller on the solid state starter also needs to be programmed Note Below is a limited guide for progra...

Page 39: ...tware part number is useful for future service reasons If calling Benshaw for service this number should be recorded so it can be provided to the service technician On power up with an LED display the...

Page 40: ...tor full load current FLA Table 2 CT switch settings CT Ratio Minimum FLA Arms Maximum FLA Arms Switch 6 Position 1 Switch 6 Position 2 2640 73 128 Off Off 128 151 Off On 151 330 On Off 330 590 On On...

Page 41: ...ed run stopped etc Current in each phase when fault occurred Voltage in each phase when fault occurred Kw when fault occurred Frequency when fault occurred Run time since last reset occurred Metering...

Page 42: ...shuts down on a Phase Reversal diagnostic CH530 not programmed correctly Disable Phase Reversal in CH530 controller While chiller is in Auto mode and compressor is off the shunt trip opens locking ou...

Page 43: ...tand rating See Table 4 p 43 Note For further information on the Benshaw Redistart starters refer to Benshaw Redistart SSS Hardware Manual 890023 02 01 Higher amp rated starters are available upon req...

Page 44: ...1 43 19 5 180 14 21 55 547 4 12 27 311 8 8 91 226 3 17 00 431 8 3 88 98 5 4 00 101 5 3 88 98 5 1 00 25 4 0 75 19 1 43 19 5 180 302 15 22 00 558 8 12 27 311 8 9 16 232 6 18 5 469 9 3 88 98 5 4 00 101...

Page 45: ...2 125A 19 5 495 12 27 312 13 25 337 4 101 6 0 5 12 7 0 31 7 9 RB2 156 180A 21 25 540 12 27 312 15 25 387 4 101 6 0 5 12 7 0 31 7 9 RB2 180 302A 22 75 578 12 27 312 16 75 425 4 101 6 0 5 12 7 0 31 7 9...

Page 46: ...Parts Ordering 46 RLC SVN005B EN Figure 43 MX2 Board layout...

Page 47: ...th a solid state starter after February 2005 were manufacturedwith the Benshaw RedistartSolid State Starter Questions Contact the Product Technical Service department in Pueblo Colorado with questions...

Page 48: ...are committed to using environmentally conscious print practices Trane by Trane Technologies NYSE TT a global climate innovator creates comfortable energy efficient indoor environments for commercial...

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