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Trane ComfortLink 4TWZ0024A1000A User Manual

Trane ComfortLink 4TWZ0024A1000A
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4TWZ0024-SF-1C
ComfortLink
II System
Heat Pump
4TWZ0024A1000A
4TWZ0024A1000A
200/230/1/60
14
20
20
CLIMATUFF
®
2 - 1
200/230/1/60
8.7 - 58
YES
YES
YES
PROPELLER
27.6 - 1
DIRECT - 2
3390/2270
1 - 1/3
759/493
200/230/1/60
2.80
SPINE FIN™
1 - 24
30.79
3/8
EEV
R-410A
10 LBS.- 1 OZ.
YES
5/8
3/8
See Charging Chart (page 3)
H X W X D
57.4 X 35.1 X 38.7
390
340
20’
30’
40’
50’
60’
70’
80’
5/8”
5/8”
5/8”
5/8”
5/8”
5/8”
5/8”
3/8”
3/8”
3/8”
3/8”
3/8”
3/8”
3/8”
3 oz.
8 oz.
14 oz.
20 oz.
25 oz.
31 oz.
37 oz.
© 2009 Trane
IMPORTANT — This document contains a wiring diagram, a parts list, and service information. This is customer prop-
erty and is to remain with this unit. Please return to service information pack upon completion of work.
PRODUCT SPECIFICATIONS
OUTDOOR UNIT 12
POWER CONNS.V/PH/HZ 3
MIN. BRCH. CIR. AMPACITY
BR. CIR. MAX. (AMPS)
PROT. RTG.
}
MIN. (AMPS)
COMPRESSOR
NO. USED - NO. SPEEDS
VOLTS/PH/HZ
R.L. AMPS 7 - L.R. AMPS
FACTORY INSTALLED
START COMPONENTS 8
INSULATION/SOUND BLANKET
COMPRESSOR HEAT
OUTDOOR FAN
DIA. (IN.) - NO. USED
TYPE DRIVE - NO. SPEEDS
CFM @ 0.0 IN. W.G. 4(HIGH/LOW)
NO. MOTORS - HP
MOTOR R.P.M. (HIGH/LOW)
VOLTS/PH/HZ
F.L. AMPS
OUTDOOR COILTYPE
ROWS - F.P.I.
FACE AREA (SQ. FT.)
TUBE SIZE (IN.)
REFRIGERANT CONTROL
REFRIGERANT
LBS. — R-410A (O.D. UNIT) 5
FACTORY SUPPLIED
LINE SIZE - IN. O.D. GAS 6
LINE SIZE - IN. O.D. LIQ. 6
CHARGING SPECIFICATION
SUBCOOLING
DIMENSIONS
CRATED (IN.)
WEIGHT
SHIPPING (LBS.)
NET (LBS.)
Service Facts
NOTICE: The manufacturer has a policy of continuous product and product data improvement
and reserves the right to change design and specifications without notice.
WARNING
!
THIS INFORMATION IS INTENDED FOR USE BY INDIVIDUALS POS SES-
S ING ADEQUATE BACKGROUNDS OF ELECTRICAL AND MECHANICAL
EXPERIENCE. ANY ATTEMPT TO REPAIR A CENTRAL AIR CONDITION-
ING PRODUCT MAY RESULT IN PERSONAL INJURY AND OR PROPERTY
DAMAGE. THE MANUFACTURER OR SELLER CANNOT BE RESPON-
SIBLE FOR THE INTERPRETATION OF THIS INFORMATION, NOR CAN IT
ASSUME ANY LIABILITY IN CONNECTION WITH ITS USE.
CAUTION
!
RECONNECT ALL GROUNDING DEVICES.
ALL PARTS OF THIS PRODUCT CAPABLE OF CONDUCTING
ELECTRICAL CURRENT ARE GROUNDED. IF GROUNDING WIRES,
SCREWS, STRAPS, CLIPS, NUTS OR WASHERS USED TO COMPLETE
A PATH TO GROUND ARE REMOVED FOR SERVICE, THEY MUST
BE RETURNED TO THEIR ORIGINAL POSITION AND PROPERLY
FASTENED.
WARNING:
HAZARDOUS VOLTAGE - DISCONNECT POWER and DISCHARGE
CAPACITORS BEFORE SERVICING
CAUTION
!
UNIT CONTAINS R-410A REFRIGERANT!
R-410A OPERATING PRESSURE EXCEEDS THE
LIMIT OF R-22. PROPER SERVICE EQUIPMENT IS
REQUIRED. FAILURE TO USE PROPER SERVICE
TOOLS MAY RESULT IN EQUIPMENT DAMAGE OR
PERSONAL INJURY.
SERVICE
USE ONLY R-410A REFRIGERANT AND
APPROVED POE/AB COMPRESSOR OIL.
TUBING INFORMATION
Tubing Sizes Tubing Additional
Suction Liquid Length Refrigerant
Tubing lengths in excess of eighty (80) feet see application software.
03/09
1 Certified in accordance with the Air-Source Unitary Air-conditioner Equipment certi-
fication program, which is based on ARI standard 210/240. In order to achieve ARI
standard rating, the indoor fan time delay on the comfort control must be enabled.
2 Rated in accordance with ARI standard 270.
3 Calculated in accordance with Natl. Elec. Codes. Use only HACR circuit breakers or
fuses.
4 Standard Air — Dry Coil — Outdoor
5 This value approximate. For more precise value see unit nameplate.
6 Max. linear length 80 ft.; Max. lift - Suction 25 ft.; Max lift - Liquid 25 ft.
For greater length consult refrigerant piping software Pub. No. 32-3312-0*
(* denotes latest revision).
7 This value shown for compressor RLA on the unit nameplate and on this specification
sheet is used to compute minimum branch circuit ampacity and max. fuse size. The
value shown is the branch circuit selection current.
8 NO means no start components. YES means quick start kit components. PTC means
positive temperature coefficient starter.
CONTAINS REFRIGERANT!
SYSTEM CONTAINS OIL AND REFRIGERANT UNDER
HIGH PRESSURE. RECOVER REFRIGERANT TO RELIEVE
PRESSURE BEFORE OPENING SYSTEM.
Failure to follow proper procedures can result in personal
illness or injury or severe equipment damage.
CAUTION
!
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Trane ComfortLink 4TWZ0024A1000A Specifications

General IconGeneral
Model4TWZ0024A1000A
TypeHeat Pump
RefrigerantR-410A
Voltage208/230V
Phase1
Cooling Capacity24, 000 BTU/h
Heating Capacity24, 000 BTU/h
Compressor TypeScroll

Summary

Schematic Diagram

Charging Method

Manual Charging Below 55°F OD Ambient – In Heating Mode (HP Models Only)

Recommended method for charging below 55°F OD in heating mode.

Subcool Charging Table Corrections for Line Length and Rise

Manual Charging or Charge Assist™ Method in Cooling Between 55°F and 120°F OD Ambient

Charge Assist™™ (CA) Procedure with a Communicating Comfort Control

STEP 1: Procedure

Enter CA mode, run compressor 1st stage, then 2nd stage.

STEP 2: Enter Stabilization Routine

CA control indicates stabilization time; may run system up to 20 minutes.

STEP 3:

System stabilizes and enters Charging Routine.

STEP 4: CHARGED Routine

CA determines system is correct, exits cycle, CHARGED LED ON.

STEP 5: ADD Routine

CA determines refrigerant is required, ADD LED ON, CHARGED LED FLASHING.

STEP 6: RECOVER Routine

CA determines excessive refrigerant, REC Red LED ON, locks system off for 1 hour.

Summary of Alert Code & Charge Assist™™ LEDs

Flash Rate Summary

Pressure Curves for 4TWZ0024A1000A Upflow & Horiz. Right

Pressure Curves for 4TWZ0024A100A Downflow & Horiz. Left

Refrigeration Circuits

Heating Refrigeration Cycle

Details the refrigerant flow path for heating.

Cooling Refrigeration Cycle

Details the refrigerant flow path for cooling.

Control Board Test Points

Electronic Expansion Valve (EEV) Control Board

Status LED (Green)

Indicates control power, driving valve, or flashing patterns.

Fault LED (Red)

Indicates specific EEV faults and diagnostic codes.

Troubleshooting the EEV

EEV Control Board Test Points

Close Valve Test

Tests if the EEV drives closed and stays closed for 2 minutes.

Open Valve Test

Tests if the EEV drives open and stays open for 30 seconds.

Exit Test Mode

Cancels EEV tests and returns to normal control.

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