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Copyright

This document and the information in it are the
property of Trane, and may not be used or reproduced
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 respective owners.

Revision History

Running changes are included in this version and
refrigerant charge data has been removed. Please
contact Product Support for specific charge
information.

IIn

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Содержание CCRC 20

Страница 1: ...e 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 literatu...

Страница 2: ...a 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...

Страница 3: ...d de ea at th h o or r s se 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 i...

Страница 4: ...endations 19 Power Supply Wiring 19 System Interconnection Wiring 19 Unit Wiring Diagrams 19 Unit Voltage 19 Voltage Supply 19 Voltage Imbalance 20 Operating Principles 21 Control Sequences of Operati...

Страница 5: ...minimized It is important that periodic maintenance be performed to help assure trouble free operation A maintenance schedule is provided at the end of this manual Should equipment failure occur cont...

Страница 6: ...it 8 Unit Voltage 4 460 Volt 60 Hz 3 ph 5 575 Volt 60 Hz 3 ph 6 200 Volt 60 Hz 3 ph Digit 9 Control Option 0 No Low Ambient IPak A No Low Ambient T Stat B Low Ambient IPak C Low Ambient T Stat Note T...

Страница 7: ...ouvered condenser grills are for coil protection and available as an option to order Direct drive vertical discharge fans are provided with built in current and overload protection Head pressure contr...

Страница 8: ...e floor or foundation is level solid and sufficient to support the unit and accessory weights Level or repair the floor before positioning the unit if necessary N No ot te e For a detailed discussion...

Страница 9: ...amper per Circuit Refrigerant Line Connections Frontal View AC AB AA Table 1 CCRC CIRC Unit Weights Unit Size Shipping Weight lbs kg Operating Weight lbs kg CCRC CIRC 20 2030 920 1906 865 CCRC CIRC 29...

Страница 10: ...R 3 4 CONDUIT SUPPLY VOLTAGE WIRE ENTRY HOLE SIZED FOR 1 CONDUIT 66 7 8 1699mm 18 1 4 1 2 114mm 1 2 470mm Hot Gas Conn Refrig ckt 17 1 2 445mm 14 3 8 365mm Liq Line Conn Refrig ckt 1 24 3 4 629mm Liq...

Страница 11: ...ances are doubled See for specific pit installation clearance instructions If multiple units are placed side by side the minimum distance between units must be twice the normal recommended side cleara...

Страница 12: ...e 9 Recommended Clearances for Typical Pit Installation for All Unit Sizes Figure 10 Typical Side by Side Installation Recommended Clearances for All Unit Sizes D Di im me en ns si io on ns s a an nd...

Страница 13: ...ty y l li if ft t p po oi in nt t T To o a av vo oi id d d dr ro op pp pi in ng g o of f u un ni it t r re ep po os si it ti io on n l li if ft ti in ng g p po oi in nt t i if f u un ni it t i is s n...

Страница 14: ...shown in Figure 13 p 15 through Figure 15 p 16 Spring Isolators Unit mounting locations are shown in Figure 13 p 15 through Figure 15 p 16 Operating weights and weight loading at each mounting locati...

Страница 15: ...lb 20 2030 463 463 463 517 1906 29 2084 490 463 490 517 1960 32 2138 490 490 490 554 2014 35 3018 463 463 463 463 463 518 2833 40 3072 463 463 490 463 463 518 2887 50 3995 490 490 490 490 490 350 490...

Страница 16: ...near the condenser to facilitate refrigerant storage in the condenser during service procedures When optional discharge line ball valves are present in the indoor section installation of field suppli...

Страница 17: ...of the indoor unit left side for SCRF SIRF right side for SCRG SIRG CCRC CIRC connections are located in the unit front at the top Remove cap with a tube cutter to minimize risk of getting chips insi...

Страница 18: ...SXRG CXRC Size Circuit 1 Circuit 2 Liquid Discharge Liquid Discharge 20 20 5 8 in 7 8 in 5 8 in 7 8 in 25 29 5 8 in 1 1 8 in 5 8 in 7 8 in 32 32 5 8 in 1 1 8 in 5 8 in 1 1 8 in a Use 1 1 8 for vertica...

Страница 19: ...ided in this manual Power Supply Wiring Run appropriately sized power wiring and field supplied conduit through the line voltage access opening provided on the front of the unit Refer to Figure 1 p 7...

Страница 20: ...measured 227 V 221 230 227 3 2 2 N No ot te e L1 221 volts is the maximum deviation of the 3 voltages from the average of the 3 voltages Therefore the imbalance percentage is 100 226 221 226 2 2 The...

Страница 21: ...ow If saturated condenser temperature continues to rise with damper modulated fully open K1 relay drops out and the IntelliPak controller pulls in K2 relay subsequently pulling in contactor Circuit 1B...

Страница 22: ...operation on all units is interlocked with compressor start and stop They use customer provided compressor contactor auxiliary contacts and liquid line pressure if the thermostat controlled unit is u...

Страница 23: ...he fan orifices and should be mounted securely on the motor shafts Check condenser coils Coil fins should be clean and straight There should be no restrictions to proper airflow through the condenser...

Страница 24: ...n n t th he e c cr ra an nk kc ca as se e h he ea at te er rs s o on n f fo or r a a m mi in ni im mu um m o of f 2 24 4 h ho ou ur rs s b be ef fo or re e s st ta ar rt ti in ng g c co om mp pr re es...

Страница 25: ...i io ou us s i in nj ju ur ry y o or r e eq qu ui ip pm me en nt t o or r p pr ro op pe er rt ty y o on nl ly y d da am ma ag ge e N Ne ev ve er r u us se e a an n o op pe en n f fl la am me e t to o...

Страница 26: ...l check the oil container for discoloration which usually indicates moisture in the oil and or water droplets Moisture in the oil adds to what must be removed from the system increasing pump down time...

Страница 27: ...ls off to a constant value this indicates that there is excessive moisture present If the pressure steadily continues to rise a leak is indicated Figure 18 p 27 illustrates three possible results of t...

Страница 28: ...frigerant charging can begin Charge refrigerant into the system by weight Approximate operating refrigerant charge capacities for 20 through 60 ton CCRC CIRC condensing units are given in and Calculat...

Страница 29: ...with fin comb as required 5 Mix the detergent with water according to the manufacturers instructions N No ot te e Observe all recommendations of the cleanser manufacturer The coil cleanser manufactur...

Страница 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...

Страница 31: ...Power and Controls 20 60T IntelliPak 2313 1632 Schematic Power and Controls 20 32T Thermostat Controls 2313 1635 Connections Control Panel w Thermostat Controls 2313 1636 Connections Control Panel w v...

Страница 32: ...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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