Carrier 38LF048 Dimensions and installation guide

WORLD LEADER
IN AIR CONDITIONING
AND HEATING
TECHNOLOGY
INSTALLATION, START-UP
AND SERVICE INSTRUCTIONS
38LB/38LF AIR COOLED
CONDENSING UNIT
CONTENTS PAGE
PHYSICAL DATA 2
PHYSICAL DATA 2
DIMENSION DATA 3
RIGGING&UNPACKING 4
CONFIGURATION 5
ELECTRICAL DATA 5
PIPING CONNECTIONS / PIPING 6
MAINTENANCE 7
WIRING DIAGRAM 8-9
ATTENTION BEFORE OPERATING 10
- 1 -

- 2 -
* RATING CONDITION: OUTDOOR AMBIENT TEMPERATURE 95F, SATURATED SUCTION TEMPERATURE 45F
** UNIT SUPPLIED FROM FACTORY ONLY 4.5 LB FOR PRE-CHARGED
Physical Data
Air Cooled Condensing Unit
ProductModel 38LB 048SC 060SC 007SC 009SC 012SC 015SC
W 14,000 17,500 22,800 28,700 35,100 43,900
Btu/hr. 48,000 60,000 78,000 98,000 120,000 150,000
PowerConsumption W 4,200 5,240 6,170 9,370 10,830 14,330
Power Supply V/Ph/Hz 380/3/50
Operating Current Amp. 8.59 10.09 12.50 17.80 21.52 29.52
Compressor Type Scroll
QTY 1 11111
RLA Amp. 7.1 8.6 10.5 16.5 18.2 24.2
LRA Amp. 56.0 74.0 101.0 146.0 147.0 175.0
Power Supply V/Ph/Hz 220/1/50
PowerInput W 279 279 374 374 733 733
RLA Amp. 1.49 1.49 2.00 2.00 3.92 3.92
FanType Propeller
QTY 111111
Drive Type Direct
Hi-Pressure Switch psig 395+10 / 275+15(Cut out / Cut in) - Auto Restart type
Low-Pressure Switch psig 30+10 / 60+15(Cut out / Cut in) - Auto Restart type
Type R-22
Pre-Charging from Fact
o
kg. 0.30
Liquid inch 3/8 (Flare) 1/2 (Flare) 5/8 (Flare)
Suction inch 7/8 (Flare) 1-3/8 (Brazing)
Height mm. 690 845 1050 1150
Width mm. 800 900 1040 1050
Depth mm. 725 915 1080 1190
Weight kg. 97 100 193 209 245 294
1-1/8 (Brazing)
Dimension
Compressor
Description
Nominal Cooling Capacity
FanMotor
Safety Device
Refrigerant
Piping Connections
38LB
38LF
38LF048 38LF060 38LF007 38LF009 38LF012 38LF015
Btu/hr. 48,000 60,000 78,000 98,000 120,000 150,000
w 14.1 17.6 22.9 28.7 28.7 44.0
PowerConsumption w 4,470 5,380 6,270 9,320 10,880 14,380
Power Supply V/Ph./Hz
RLA Amp. 8.89 10.39 12.90 18.00 21.62 30.42
Operating Weight (Approx) kg. 97 100 193 209 240 260
Compressor Type
Pre-Charging from Factory
Operation Charging kg. 3.0 3.1 5.3 5.5 6.2 10.0
Type
Power Supply V/Ph/Hz
Hi-Pressure Switch psig
Low-Pressure Switch psig
Liquid inch 5/8 5/8
Suction inch 1-1/8 1-3/8
Height mm. 1050 1165
Width mm. 1040 1035
Weigth kg. 97 100 193 209 240 260
Dimension
FullyHermetric Scroll Compressor
FanMotor Propeller Fan , Direct Drive
220/1/50
HFC R-407C
Refrigerant Nitrogen
Safety Device 395 / 275 (Cut out / Cut in) - Auto Restart type
30 / 60 (Cut out / Cut in) - Auto Restart type
Piping Connections 3/8
7/8 1/2
1-1/8
Description Air Cooled Condensing Unit
Product Model
Nominal Cooling Capacity
380/3/50
800
690 845
900
** UNIT SUPPLIED FROM FACTORYONRYNITROGEN
* RATING CONDITION: OUTDOOR AMBIENTTEMPERATURE 95 F,SATURATED SUCTIONTEMPPERATURE 45 F

38LB
38LF
Dimension (mm.)
Dimension (mm.)
- 3 -
Dimension Data

Rigging & Unpacking
x Unit should not be removed from protective packaging until reaching final location.
x The 38LB Series should be handled and installed upright.
x Inspect the unit for shipping damage and file claim with transport agency if necessary.
x Confirm the nameplate voltage to ensure that it matches available power supply.
x Consult building and electrical codes as required in your area.
Location
Unit should be installed outdoors. Do not restrict service, wiring and piping areas. Also avoid positioning unit
in manner restriction airflow or in areas where water will pour directly onto unit. Minimum recommended
clearance space is shown in figure 1 to 4.
Fig 1 Fig 2
Fig 3 Fig 4
-4-

Configuration
Electrical Data
Unit is shipped from factory in vertical discharge configuration as standard. However, converting to horizontal
discharge as shown is simply effected without extra fittings or metal sheet work.
To modify into horizontal discharge mode :
1. Ensure all electrical supply to the unit is disconnected and then loosen top and fan discharge
panels by removing screws.
2. Release wires tie on fan motor wires in control box and ease wires out of hole for extra length for
interchanging panels.
3. Assemble top panel on front of unit and secure with screws.
4. Final assembles fan discharge panel. Pull fans motor wires taut and retie extra length in control
box.
5. Check fan for free rotation and observe that wiring has not been damaged or improperly strained.
- 5 -
Min Max RLA LRA QTY RLA Power
Wire(mm.2) Ground Wire (mm.2) Field CB (AT)
38LF048 380V/3Ph/50Hz 342 415 7.4 52.0 1 1.49 4 2.5 20
38LF060 380V/3Ph/50Hz 342 415 8.9 74.0 1 1.49 4 2.5 20
38LF007 380V/3Ph/50Hz 342 415 10.9 101.0 1 2.00 6 4 25
38LF009 380V/3Ph/50Hz 342 415 16.0 118.0 1 2.00 6 4 30
38LF012 380V/3Ph/50Hz 342 415 17.7 118.0 1 3.92 10 4 40
38LF015 380V/3Ph/50Hz 342 415 26.5 174.0 1 3.92 16 4 50
Recommended
Unit Model Power Supply
Voltage Range Compressor FanMotor

Piping Connections / Piping
Refer to Physical Data Table for correct piping sizes. The length of refrigerant pipe depends on the unit
placement and building structure – attempt to run pipes as
1. Refrigerant tubing between sections may be made using accessory tubing packages or field-supplied
tubing of refrigerant grade, correct size and condition.
2. Refrigerant suction tube must be insulated with closed-cell foam type insulation with a minimum wall
thickness of 3/8 in. Failure to properly insulate refrigerant tubes adequately will degrade system
performance and efficiency as well as permitting moisture or frost to form on the tubing surfaces during
operation.
3. Run refrigerant tubes as directly as possible, avoiding unnecessary turns and bends.
4. If tube bending is necessary, use only copper cutter to cut the copper tube and shape tube with a tube
bender so that the tube ends coincide with flare connections.
5. Carefully remove the flare nut fitting from indoor and outdoor sections tubing.
6. Thoroughly clean all tubing connection points to prevent foreign matter from entering the refrigerant
circuit.
7. Thread the 2 fittings by hand, making sure the threads fit smoothly and the flare seats evenly against the
union.
8. Tighten the 2 fittings securely.
9. Connect piping to the indoor and outdoor section.
10. Evacuate the system at
lower 500-micron for at least 30 minutes.
11. Suspend refrigerant tubes so they do not damage insulation on liquid and vapor tubes and do not
transmit vibration to structure. Also, when passing refrigerant tubes through walls, seal opening so
vibration is not transmitted to structure. Leave some slack in refrigerant tubes between structure and units
to absorb vibration.
12. After evacuating the system, turn on both valves at the condensing unit to flow the refrigerant into the
system. Outdoor unit contains holding refrigerant charge to operate split system.
- 6 -
Service Valve (Blazing)Service Valve (Flare)
CONNECTION TO
INDOOR PIPING (Brazing)
SERVICE PORT
(SCHRAEDER)
FACTORY-BRAZED
TO CONDENSING UNIT
SHUT-OFF PORT
CONNECTION TO
INDOOR PIPING (Flare)
FACTORY-BRAZED
TO CONDENSING UNIT
SERVICE PORT
(SCHRAEDER)
SHUT-OFF PORT

Maintenance
Warning! To avoid the possibility of electric shock, before performing any cleaning and maintenance
operations always turn off power to the system. If the indoor unit is on a separate switch, be sure it is also
disconnected.
Ensure that tubing is cool. Beware of rotating fan and energized electrical components.
Cleaning coil :
Ensure power to unit is disconnected. Wire grilles may be removed simply be lifting grilles upwards so that
grille legs clear holes in base pan and then pulling them towards you (Fig. 4). Clean coil with water from
ordinary hose at a pressure high enough to clean efficiently. Coils are double row and may be separated
carefully and sufficiently be loosening screws at one end of the coil so that dirt may be flushed out towards the
outside of both coils. Avoid splashing mud on coil or water onto fan motor.
Condensing fan adjustment :
The fan should be adjusted by loosening the set screws and moving the fan blade up or down. The final
position of the fan relative to the louvers should be as shown in Fig. 5.
Condenser fan removal :
x Shut off power to unit.
x Open control box cover and remove fan motor wire leads from attached components.
x Remove fan deck and then the 3 mounting nuts between fan bracket and deck.
x Remove 3 nuts between motor bracket and motor.
- 7 -

8


ª¦Å¢¢oµ宦´¦»n
38LB036SCG , 040SCG , 048SC , 060SC
( ¦³Å¢¢oµ380ê¨r)
ª¦Å¢¢oµ宦´¦»n
38LB007SC , 009SC , 009SC-D ,012SC , 012SC-D
( ¦³Å¢¢oµ380ê¨r)
38LB(048SC, 060SC) / 38LF(048, 060SC)
- 8 -
Wiring Diagram
38LB (007SC, 009SC, 009SC-D, 012SC, 012SC-D)
38LF(007, 009, 012)

- 9 -
Wiring Diagram
9
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38LB015SC
( ¦³Å¢¢oµ380ê¨r)
POWER SUPPLY
380V.3-? 50Hz.AC.
R
S
T
C
BLK
YEL
BLU
(NEUTRAL) YEL
T1
T2 T3
IP
GRD
TB N
CR
CR
COMP.
CR
TM
C
OFM OFMC
BLK
BLK
BLK
BLK
BLK
BLK
BLK BRN
WHT
YEL
BLK YEL
BLU BRN
BLU BLU BLK BLK RED
CH
AB
LOGIC 12
CR
A1 A2 YEL
TB 1
TB 2
TB 3
TB 4 TB 5
TB L
TB 8
LPS HPS
GRN
GRD
220V.50Hz.AC.
CONTROL SUPPLY
LEGEND: COMPONENT ARRANGEMENT
COMP COMPRESSOR
C CONTACTOR
CH
CR CRANKCASE HEATER CONTROL RELAY
LPS
OFMC
IP
HPS
LOW PRESSURE SWITCH
OUTDOOR FAN MOTOR
INTERNAL PROTECTOR
HIGH PRESSURE SWITCH
TM
OFM CAPACITOR
SOLID STATE TIMER
OUTDOOR FAN MOTOR
FIELD WIRING
TERMINALS BLOCK (TB)
CR TM
C
OFMC
12 438NL5
TB
12
56
34
TC
RED
TC THERMOSTAT CONNECTOR
RED
ITEM NO.39SX0038
(PT300148)
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38LB015SC-D
( ¦³Å¢¢oµ380ê¨r)
38LB015SC / 38LF015SC
38LB015SC-D

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Carrier (Thailand) Ltd. 14-15th.Fl, 1858/63-74 Bangna-Trad Road Km. 4.5 Bangna Bangkok 10260 Tel [phone] Fax [phone]
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38LB/38LF_EN_11/2015
Attention before operating
1. Please read this installation manual
carefully. It contains further important
instructions.
2. Do not anything block the air outlet and
air inlet of the condensing unit. The
refrigeration system may be broken
down.
3. Due to temperature of outlet air is higher
around 50-60 degree C; it may be having
an effect on environments especially tree,
plant, or shrub etc.
4. Make sure that outlet air is moved out
from installation area. It must not be
return to air inlet. Do not be store until
temperature above 42 degree C. The
compressor or refrigeration system may
be damaged.
5. For safety first, it should be turned off the
breaker if the air conditioner does not be
used for a long time.
6. If the condensing unit is installed on the
ground, make sure that the location is not
liable to flooding.
7. After a long use, check the unit fixing for
damage.
8. Before cleaning, be sure to stop the
operation and turn off the breaker. (As
the fan is rotating at high speed, cleaning
during operation may cause injury)
9. Do not place a vessel containing water or
any object on the condensing unit and do
not stand or sit on the condensing unit.
10. The condensing unit should not be
installed where normal operation sounds
may be objectionable. On either rooftop
or ground level installations. Rubber
padding can be applied between the
base rails and their supports to lesson
any transmission of vibration.
11. The fan of condensing unit is the
propeller type. It is not suitable for use
with duct work.
12. Make sure that the surrounding
atmosphere does not contain noxious or
dangerous substances such as oil vapors
etc.
Before inform our call center or inspect the air-conditioner, please check as
following
Case of Air-conditioner does not work,
Disconnect the electrical?
Turn off the breaker?
Fuse is broken?
Low level of the battery show on
remote control?
The timer function is set on
remote control?
Case of air-conditioner work but it can not
cooling,
Fan-coil is unclean?
Open the door or the window?
Pre-Filter is unclean?
The position of louver is
unsuitable?
Low speed on fan-coil unit?
The temperature setting is
unsuitable set on remote control?