Carrier 50TZ user guide manual

50TZ/YZ 38FZ/BZ-40TZ/BZ

Single-Package Cooling Units and Heat Pumps

Installation, operation and maintenance instructions

Carrier is participating in the Eurovent Certification Programme. Products are as listed in the Eurovent Directory of Certified Products.

CONTENTS

Page

START-UP CHECK LIST 3

PHYSICAL DATA 4

ELECTRICAL DATA 5

DIMENSIONS 6

Service area 27 Coordinates for the centre of gravity 28 Weight distribution 29

AIR DISCHARGE 30

FAN PERFORMANCES 31

SAFETY CONSIDERATIONS 33

INSTALLATION 33

Siting the unit 33 Rigging 33 Ductwork 33 Condensate and rainwater drainage 34

ELECTRICAL CONNECTIONS 34 Electrical connection between units 34 Thermostat connection 34

REFRIGERANT LINE CONNECTIONS 35 Refrigerant line selection 35 Checks before start-up 36

Page

REFRIGERANT CHARGE 36

Gas tightness testing and dehydration 36

START-UP 37

REFRIGERANT SYSTEM DESCRIPTION 37

COMPRESSOR REPLACEMENT 37

DESCRIPTION OF UNIT SAFETY DEVICES 37

Operating limits 38

CONTROL SEQUENCE 38

OPTIONS/ACCESSORIES 38

GENERAL MAINTENANCE 38

SERVICE 38

Lubrication 38 Servicing recommendations 39

TRANSFORMATION TO SPLIT SYSTEM 39

FINAL RECOMMENDATIONS 39

TROUBLESHOOTING CHART 40

START-UP CHECK LIST Start up date: .....................................................................

Equipment sold by: ......................................................................................................................................... Contract No: .....................................................

Installed by: ...................................................................................................................................................... Contract No: .....................................................

Site address: .......................................................................................................................................................................................................................................

Equipment type and serial No: 50TZ/YZ ...........................................................................................................................................................................................

38FZ/BZ ...........................................................................................................................................................................................

40TZ/BZ ........................................................................................................................................................................................

ELECTRICAL DATA:

Supply voltage Ph 1: .

........................ Volts Ph 2: .................... Volts Ph 3 .......................Volts

Nominal voltage:

.............................................. Volts % network voltage: .................................................................................................................

Current draw Ph 1: .................................... Amperes Ph 2: ............................... Amperes Ph 3: .......................................... Amperes

Control circuit voltage:

................................... Volts Control circuit fuse: ...............................................................................................Amperes

Main circuit breaker rating:

............................................................................................................................................................................................................

PHYSICAL DATA:

Outdoor unit : Indoor unit :

Entering air temp.:

................................................................

C Entering air temp.: ..............................................................oC

Leaving air temp.:

................................................................

C Leaving air temp.: ..............................................................oC

Pressure drop (air):

.............................................................. kPa Pressure drop (air): ............................................................. kPa

Discharge air pressure:

....................................................... Pa Discharge air pressure: ...................................................... Pa

Fan motor input: Ph. 1:

........................................... Volts Fan motor input: Ph. 1: .......................................... Volts

Ph. 2:

........................................... Volts Ph. 2: .......................................... Volts

Ph. 3:

........................................... Volts Ph. 3: .......................................... Volts

SAFETY DEVICE SETTING 38TA UNIT:

High pressure switch: cut-out:

............................................. kPa cut-in: ............................................................... kPa

Low pressure switch: cut-out:

............................................. kPa cut-in: ................................................................. kPa

Step controller: cut-out 1st step:

...............................

C cut-in 1st step: .................................................. oC

cut-out 2nd step:

..............................

C cut-in 2 nd step: ...............................................

Oil level:

Oil visible in sight glass? .........................................................................................................................................................................................................................

ACCESSORIES

Commissioning engineer (name):

Customer agreement

Name:

.......................................................................................... Date: ..............................................................................................................................

Remarks:

Note: Complete this start-up list at the time of installation

Table 1 - Physical data

50TZ 024 036 042 048 060 072 084

Nominal cooling capacity* kW 6.50 9.11 10.50 12.00 14.80 19.10 22.74

Operating weight kg

50TZ 168 193 211 241 267 329 381 40TZ/BZ 58 63 71 76 87 116 120 38FZ 110 130 140 165 180 213 261

Compressor Hermetic reciprocating compressor Oil charge l 1.18 1.50 1.65 1.65 1.65 1.65 2.84 Oil type Mobil 22 BC POE Maneurop 160PZ

Refrigerant R-407C Refrigerant charge** kg 1.88 2.23 2.83 3.32 4.56 5.17 7.72

Indoor section (40TZ/BZ) Copper tubes, pretreated aluminium fins Face area m

0.20 0.30 0.35 0.39 0.41 0.61 0.61 Rows ... fin spacing mm 3 ... 1.82 3 ... 2.12 3 ... 2.12 3 ... 2.12 3 ... 2.12 3 ... 2.12 4 ... 2.12 Test pressure bar 30 30 30 30 30 30 30

Outdoor section (38FZ) Copper tubes, pretreated aluminium fins Face area m

0.31 0.38 0.45 0.53 0.60 0.70 0.76 Rows ... fin spacing mm 4 ... 1.82 4 ... 1.82 4 ... 1.82 5 ... 1.82 5 ...1.59 5 ... 2.12 6 ... 2.12 Test pressure kPa 30 30 30 30 30 30 30

Indoor fan (40TZ/BZ) One ... dual-inlet, centrifugal Nominal air flow l/s 400 565 670 670 950 1320 1365 Nominal air flow range l/s 340-460 480-650 570-770 570-770 760-1090 1050-1520 1100-1570 Nominal static pressure (dry/wet) Pa 50-40 60-50 60-50 60-50 90-80 120-110 120-110

Outdoor fan (38FZ) One ... dual-inlet, centrifugal Nominal air flow l/s 530 800 865 865 1350 1650 1875 Nominal air flow range l/s 450-600 680-900 730-940 730-970 1085-1475 1320-1800 1500-2150 Nominal static pressure Pa 30 30 30 40 50 50 50

Indoor air filter One filter, thickness 7 mm, filter class M1 Width x height mm 312 x 336 352 x 378 387 x 394 387 x 394 397 x 434 542 x 524 542 x 524

Condensing unit 38FZ 024 036 042 048 060 072 084

Nominal cooling capacity*** kW 6.00 8.22 9.00 11.22 13.95 17.38 20.25

* Based on an outdoor air dry bulb temperature of 35°C and an indoor air wet bulb temperature of 19°C. ** The refrigerant charge given is for the complete system, but does not include the connection lines. *** Based on an outdoor air dry bulb temperature of 35°C and a dewpoint suction temperature of 7°C.

Table 2 - Physical data

50YZ 024 036 042 048 060 072 084

Nominal cooling capacity* kW 6.20 8.90 10.10 11.56 14.34 19.10 22.20 Nominal heating capacity** kW 6.52 9.50 11.30 12.50 16.84 21.80 25.00

Operating weight kg

50YZ 170 196 214 244 270 332 385 40BZ 58 63 71 76 87 116 120 38BZ 112 133 143 168 183 216 265

Compressor Hermetic reciprocating compressor Oil charge l 1.18 1.50 1.65 1.65 1.65 1.65 2.84 Oil type Mobil 22 BC POE Maneurop 160PZ

Refrigerant R-407C Refrigerant charge*** kg 2.07 2.73 3.32 3.43 4.87 5.57 7.44

Indoor section (40BZ) Copper tubes, pretreated aluminium fins Face area m

0.20 0.30 0.35 0.39 0.41 0.61 0.61 Rows ... fin spacing mm 3 ... 1.82 3 ... 1.82 3 ...1.82 3 ... 1.82 3 ... 1.59 3 ... 2.12 4 ... 2.12 Test pressure bar 30 30 30 30 30 30 30

Outdoor section (38BZ) Copper tubes, pretreated aluminium fins Face area m

0.31 0.38 0.45 0.53 0.60 0.70 0.76 Rows ... fin spacing mm 4 ... 1,82 4 ... 1.82 4 ... 1.82 5 ... 1.82 5 ...1.59 5 ... 2.12 6 ... 2.12 Test pressure kPa 30 30 30 30 30 30 30

Indoor fan (40BZ) One ... dual inlet, centrifugal Nominal air flow l/s 400 565 670 670 950 1320 1365 Nominal air flow range l/s 340-460 480-650 570-770 570-770 760-1090 1050-1520 1100-1570 Nominal static pressure (dry/wet) Pa 50-40 60-50 60-50 60-50 90-80 120-110 120-110

Outdoor fan (38BZ) One ... dual inlet, centrifugal Nominal air flow l/s 530 800 865 865 1350 1650 1875 Nominal air flow range l/s 450-600 680-900 730-940 730-970 1085-1475 1320-1800 1500-2150 Nominal static pressure Pa 30 30 30 40 50 50 50

Indoor air filter One filter, thickness 7 mm, filter class M1 Width x height mm 312 x 336 352 x 378 387 x 394 387 x 394 397 x 434 542 x 524 542 x 524

* Based on an outdoor air dry bulb temperature of 35°C and an indoor air wet bulb temperature of 19°C. ** Based on an outdoor air wet bulb temperature of 6°C and an indoor dry bulb temperature of 20°C. *** The refrigerant charge given is for the complete system, but does not include the connection lines.

Table 3 - Electrical data

50TZ (40TZ/BZ + 38BZ) 024 036 042 048 060 072 084

Nominal voltage (± 10%)* V 230 400 230 400 230 400 230 400 230 400 230 400 230 400

Nominal power input** kW 2.90 2.90 3.99 3.99 4.68 4.68 5.07 5.07 7.37 7.37 10.08 10.08 10.75 10.75

Nominal current drawn** A 13.33 6.30 12.50 8.74 15.58 11.50 16.98 12.23 25.49 18.54 30.12 17.41 33.19 19.18

Effective power input kW 2.90 2.90 3.89 3.89 4.54 4.54 4.93 4.93 6.96 6.96 9.39 9.39 9.99 9.99

Effective current drawn A 13.33 6.30 12.19 8.52 15.11 11.16 16.51 11.89 24.07 17.51 28.06 16.22 30.67 17.73

Starting current A 86 46 99 60 117 72 134 81 159 105 170 90 162 105

Maximum power input*** kW 3.24 3.24 4.53 4.53 5.23 5.23 5.71 5.71 8.00 8.00 10.74 10.74 11.95 11.95

Maximum current drawn*** A 14.88 7.04 14.19 9.92 17.42 12.86 19.13 13.78 27.67 20.13 32.09 18.55 35.93 20.77

* The unit power supply is three phase (except size 024, 230 V, which is single-phase). The fan power supply is single phase, except for sizes 072 and 084 which are three phase. ** Based on an outdoor air dry bulb temperature of 35°C and an indoor temperature of 19°C wet bulb and 27°C dry bulb. *** Based on an outdoor air dry bulb temperature of 46°C and an indoor air wet bulb temperature of 21°C.

Note: The effective power input is according to EUROVENT.

Condensing unit 38FZ 024 036 042 048 060 072 084

Nominal voltage (± 10%)* V 230 400 230 400 230 400 230 400 230 400 230 400 230 400

Nominal power input** kW 2.45 2.45 3.63 3.63 4.04 4.04 4.51 4.51 6.49 6.49 8.52 8.52 9.16 9.16

Nominal current drawn** A 11.25 5.32 11.37 7.95 13.45 9.93 15.11 10.89 22.45 16.33 25.46 14.72 28.27 16.34

Effective power input kW 2.45 2.45 3.63 3.63 4.04 4.04 4.51 4.51 6.26 6.26 8.24 8.24 8.85 8.85

Effective current drawn A 11.26 5.32 11.38 7.95 13.45 9.93 15.10 10.88 21.65 15.75 24.62 14.23 27.31 15.79

Starting current A 84.6 44.6 97.1 58.1 114.6 69.6 131.6 78.6 154.8 100.8 166.5 88.0 157.2 102.2

Maximum power input*** kW 3.02 3.02 4.14 4.14 4.66 4.66 5.38 5.38 7.60 7.60 10.06 10.06 10.75 10.75

Maximum current drawn*** A 13.9 6.6 13.0 9.1 15.5 11.5 18.0 13.0 26.3 19.1 30.1 17.4 33.19 19.18

Note: The effective power input is according to EUROVENT.

Table 4 - Electrical data

50YZ (40BZ + 38BZ) 024 036 042 048 060 072 084

Nominal voltage (± 10%)* V 230 400 230 400 230 400 230 400 230 400 230 400 230 400

Nominal power input kW

Cooling** 2.74 2.74 4.20 4.20 4.70 4.70 5.04 5.04 7.57 7.57 10.10 10.10 10.92 10.92 Heating*** 2.35 2.35 3.51 3.51 4.00 4.00 4.55 4.55 6.97 6.97 9.07 9.07 9.58 9.58

Nominal current drawn A Cooling** 12.77 6.04 13.89 10.06 15.79 11.40 17.10 12.43 25.29 18.06 30.00 17.34 33.65 19.45 Heating*** 11.21 5.30 12.00 8.87 14.14 10.60 15.76 11.65 24.09 17.57 27.59 15.95 30.79 17.80

Effective power input kW Cooling 2.74 2.74 4.10 4.10 4.56 4.56 4.90 4.90 7.16 7.16 9.41 9.41 10.16 10.16 Heating 2.35 2.35 3.41 3.41 3.86 3.86 4.41 4.41 6.56 6.56 8.38 8.38 8.82 8.82

Effective current drawn A Cooling 12.76 6.04 13.56 9.82 15.32 11.06 16.63 12.09 23.92 17.08 27.96 16.16 31.14 18.00 Heating 11.20 5.30 11.66 8.62 13.65 10.23 15.28 11.30 22.68 16.54 25.50 14.74 28.28 16.35

Starting current A 86 46 99 60 117 72 134 81 159 105 170 90 162 105

Maximum power input*** kW

Cooling**** 3.08 3.08 4.65 4.65 5.22 5.22 5.66 5.66 8.26 8.26 11.06 11.06 12.04 12.04 Heating***** 2.78 2.78 4.07 4.07 4.63 4.63 5.09 5.09 7.70 7.70 10.54 10.54 11.87 11.87

Maximum current drawn*** A Cooling**** 14.17 6.70 14.86 10.54 17.24 12.28 18.23 12.91 27.10 19.03 32.87 19.00 35.94 20.78 Heating***** 12.79 6.05 13.01 9.23 15.29 10.89 16.39 11.61 25.26 17.74 31.32 18.11 35.44 20.48

* The unit power supply is three phase (except size 024, 230 V, which is single-phase). The fan power supply is single phase, except for sizes 072 and 084 which are three phase. ** Based on an outdoor air dry bulb temperature of 35°C and an indoor temperature of 19°C wet bulb. *** Based on an outdoor air wet bulb temperature of 6°C and an indoor temperature of 20°C dry bulb. **** Based on an outdoor air dry bulb temperature of 46°C and an indoor air wet bulb temperature of 21°C. ***** Based on an outdoor air wet bulb temperature of 18°C.

Note: The effective power input is according to EUROVENT.

Fig. 1 - Dimensions, mm

50TZ/YZ 024

When designing an installation, always use up-to-date drawings, available from your local Carrier office.

Evaporator access panel

Compressor access panel

Control box access panel

Evaporator air inlet

Evaporator air outlet

Condenser air inlet

Condenser air outlet

Drain, 3/4" MPT

Unit supports

Cable entry

Main disconnect switch

View on indoor air supply/return

Plan view

View on outdoor air supply/return

Note: Standard air supply and return

Fig. 2 - Dimensions, mm

50TZ/YZ 036

When designing an installation, always use up-to-date drawings, available from your local Carrier office.

Evaporator access panel

Compressor access panel

Control box access panel

Evaporator air inlet

Evaporator air outlet

Condenser air inlet

Condenser air outlet

Drain, 3/4" MPT

Unit supports

Cable entry

Main disconnect switch

Note: Standard air supply and return

View on indoor air supply/return

Plan view

View on outdoor air supply/return

Fig. 3 - Dimensions, mm

50TZ/YZ 042

When designing an installation, always use up-to-date drawings, available from your local Carrier office.

Evaporator access panel

Compressor access panel

Control box access panel

Evaporator air inlet

Evaporator air outlet

Condenser air inlet

Condenser air outlet

Drain, 3/4" MPT

Unit supports

Cable entry

Main disconnect switch

Note: Standard air supply and return

View on indoor air supply/return

Plan view

View on outdoor air supply/return

When designing an installation, always use up-to-date drawings, available from your local Carrier office.

Fig. 4 - Dimensions, mm

50TZ/YZ 048

Evaporator access panel

Compressor access panel

Control box access panel

Evaporator air inlet

Evaporator air outlet

Condenser air inlet

Condenser air outlet

Drain, 3/4" MPT

Unit supports

Cable entry

Main disconnect switch

Note: Standard air supply and return

View on indoor air supply/return

Plan view

View on outdoor air supply/return

Fig. 5 - Dimensions, mm

50TZ/YZ 060

When designing an installation, always use up-to-date drawings, available from your local Carrier office.

Evaporator access panel

Compressor access panel

Control box access panel

Evaporator air inlet

Evaporator air outlet

Condenser air inlet

Condenser air outlet

Drain, 3/4" MPT

Unit supports

Cable entry

Main disconnect switch

Note: Standard air supply and return

View on indoor air supply/return

View on outdoor air supply/return

Plan view

Fig. 6 - Dimensions, mm

50TZ/YZ 072

When designing an installation, always use up-to-date drawings, available from your local Carrier office.

Evaporator access panel

Compressor access panel

Control box access panel

Evaporator air inlet

Evaporator air outlet

Condenser air inlet

Condenser air outlet

Drain, 3/4" MPT

Unit supports

Cable entry

Main disconnect switch

Note: Standard air supply and return

View on indoor air supply/return

View on outdoor air supply/return

Plan view

Fig. 7 - Dimensions, mm

50TZ/YZ 084

When designing an installation, always use up-to-date drawings, available from your local Carrier office.

Evaporator access panel

Compressor access panel

Control box access panel

Evaporator air inlet

Evaporator air outlet

Condenser air inlet

Condenser air outlet

Drain, 3/4" MPT

Unit supports

Cable entry

Main disconnect switch

Note: Standard air supply and return

View on outdoor air supply/return

View on indoor air supply/return

Plan view

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Carrier 50TZ user guide manual

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