Trane SCRH Installation & Operation Manual Download Page 34 | Manualshive

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PKG-SVX14A-EN

typical wiring
diagram

Maintenance

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Summary of Contents for SCRH

Page 1: ...PKG SVX14A EN Installation Operation and Maintenance Midrange Self Contained Units October 2008 Models SCWH SCRH 3 5 7 5 10 12 15 tons AO and later design sequence...

Page 2: ...ous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure power cannot be inadvertently energized Failure to disconnect...

Page 3: ...tion 2 pre installation considerations 6 dimensions weights 11 mechanical requirements 17 electrical requirements 19 installation procedure 21 pre startup requirements 22 startup 23 Operation 24 seque...

Page 4: ...igit 8 unit voltage 3 208 230 volt 60 hz 3 ph 4 460 volt 60 hz 3 ph 5 575 volt 60 hz 3 ph Digit 9 air flow configuration 2 vertical discharge front return 3 vertical discharge rear return Digit 10 11...

Page 5: ...efrigerant quality standards are addressed in ARI Standard 700 Refrigerant Handling and Safety Consult the manufacturer s material safety data sheet MSDS for information on refrigerant handling to ful...

Page 6: ...hin the allotted time after delivery Check with the carrier for their allotted time to submit a claim Do not move damaged material from the receiving location It is the receiver s responsibility to pr...

Page 7: ...MPRESSOR ACCESS 42 SERVICE CLEARANCE FRONT DRAIN CONNECTION AIR FILTER ACCESS BOTH SIDES BOTH SIDES 26 SERVICE CLEARANCE LEFT SIDE SIGHT GLASS FILTER DRIER ACCESS RIGHT SIDE 24 26 SERVICE CLEARANCE LE...

Page 8: ...8 PKG SVX14A EN Installation pre installation considerations Service Access 10 12 15 ton SCWH SRCH with side mounted fan configura tion field converted 10 through 15 ton SCRH SCWH...

Page 9: ...r cooled models water cooled models L1 L2 L3 L4 L1 L2 L3 L4 10 tonunit 318 150 363 169 383 211 383 211 spring red yellow red yellow red yellow red yellow rubber in shear green red green red green red...

Page 10: ...ase Protect the unit from damage by rigging equipment WARNING Improper Unit Lift Test lift unit approximately 24 inches high to verify the proper center of gravity lift point To avoid dropping the uni...

Page 11: ...erted SCWH SCRH dimensions weight in lbs unit shipping operating size A B C D E F G J K L M N O P Q R S weight weight 3 31 89 64 17 22 24 5 65 11 93 14 31 10 63 18 00 7 80 7 80 15 60 15 63 20 20 6 28...

Page 12: ...KG SVX14A EN dimensions weights 7 5 tons SCWH SCRH Installation SCWH vertical discharge horizontal discharge field converted SCWH SCRHweight lbs unit shipping operating size weight weight 7 5 702 657...

Page 13: ...vertical discharge SCRH SCWH SCWH SCRH dimensions weight in lbs unit shipping operating tons A B C D E F G J K M N weight weight 10 66 75 88 78 7 04 18 07 57 28 19 01 25 0 5 23 7 48 5 8 8 30 984 917 1...

Page 14: ...7 04 18 07 57 28 66 93 25 79 12 65 75 7 04 18 07 61 22 66 93 29 73 15 80 31 19 83 19 83 61 22 81 49 29 73 Notes 1 Base rail must be attached to the floor before converting unit to side mounted fan co...

Page 15: ...ton 65 75 29 52 120 15 ton 80 31 29 52 146 A B C D E F G 0 39 0 28 1 38 1 38 5 91 1 57 3 15 0 39 0 59 0 59 2 18 2 18 8 39 1 03 1 03 1 08 0 75 0 75 5 9 1 0 NPT Hot water coil 3 5 ton units SCWH SCRH H...

Page 16: ...LED Hot water coil 10 thru 15 ton units 35 51 28 03 5 91 0 43 1 57 3 15 34 72 0 39 0 75 0 75 0 39 5 9 1 0 NPT 0 75 17 00 0 75 2 22 2 22 16 25 20 7 0 39 1 87 8 48 8 48 14 64 1 55 1 55 3 03 0 39 1 87 1...

Page 17: ...1 Remove back panel to access the water connection fittings 2 Attach the water supply line to the inlet connection and the return line to the outlet connection The water connection fittings are copper...

Page 18: ...ly to the joint Excess flux will contaminate the refrigerant system 6 Apply heat evenly over the length and circumference of the joint making sure the entire joint becomes hot enough to melt the brazi...

Page 19: ...e voltage at the compressor terminals to determine if it is balanced Voltage imbalance on three phase systems can cause motor overheating and premature failure The maximum allowable imbalance is 2 0 V...

Page 20: ...460V 60Hz 3Ph 13 6 100 0 4 60 35 2 45 6 18 36 8 50 SC H1505 575V 60Hz 3Ph 10 9 78 0 3 40 27 9 35 4 94 29 5 35 12 2 tons MFS MCB model voltage compressor evap fan motor min circuit ampacity 10 2 2 1 2...

Page 21: ...field wiring connections Note All field installed wiring must comply with NEC and applicable local codes Fan Discharge Conversion Complete the steps below to convert the fan discharge from vertical t...

Page 22: ...ements Check unit for missing material Look for ship with accessories that are packaged separately and placed inside the access panel fan section or compressor section See the Receiving and Handling s...

Page 23: ...n and check for unusual noise vibration belt and fan clearances WARNING Hazardous voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout proce...

Page 24: ...ects power from the thermostat contacts that control the condensing unit This prevents the condensing unit from running regardless of the thermostat tempera ture setting The evaporator fan may circula...

Page 25: ...83 indoor coil 3 8 tube size face area sq ft 3 19 4 98 7 13 12 12 12 12 14 56 rows fpf 4 144 4 144 3 168 2 168 2 168 3 168 water condenser tube tube water connection in 3 4 NPT 3 4 NPT 3 4 NPT 1 1 4 N...

Page 26: ...rsonal safety refer to the cleaning agent manufacturer s materials safety data sheet and follow all recommended safe handling practices Failure to follow all safety instructions could result in death...

Page 27: ...ecovering and condensing refrigerant into containment When leak checking with trace refrigerant and nitrogen use HCFC22 R22 rather than CFC12 R12 or any other fully halogenated refrigerants Be aware o...

Page 28: ...rkover may cause damage to the motor windings WARNING Hazardous Pressures If a heat source is required to raise the tank pressure during removal of refrigerant from cylinders use only warm water or he...

Page 29: ...hly if the unit is in a coastal or corrosive environment Annual Maintenance Check and tighten all set screws bolts locking collars and sheaves 1 Inspect clean and tighten all electrical connections 2...

Page 30: ...quired Remedy 1 Check power supply for voltage outside the acceptable voltage range 2 Check the control unit for loose wires Firm any loose connections 3 Replace 4 Check for loose wire connection brok...

Page 31: ...t run Possible cause 1 Faulty switch 2 Open fan motor coil circuit 3 Fan binding on shroud or venturi ring Remedy 1 Correct as follows a clean b defrost using fan operation only c clean or replace fil...

Page 32: ...32 PKG SVX14A EN typical wiring diagram Maintenance...

Page 33: ...PKG SVX01A EN 33 typical wiring diagram Maintenance...

Page 34: ...34 PKG SVX14A EN typical wiring diagram Maintenance...

Page 35: ...PKG SVX01A EN 35 typical wiring diagram Maintenance...

Page 36: ...e mail us at comfort trane com Literature Order Number Date Supersedes Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications...

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