Trane 4TWR6 Скачать руководство пользователя страница 24

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Trane - by Trane Technologies (NYSE: TT), a

global climate innovator - creates comfortable,

energy efficient indoor environments for com-

mercial and residential applications. For more

information, please visit trane.com or

tranetechnologies.com.

The AHRI Certified mark indicates Trane U.S. Inc. participation in

the AHRI Certification program. For verification of individual certi-

fied products, go to ahridirectory.org.

Trane has a policy of continuous data improvement and it reserves

the right to change design and specifications without notice. We

are committed to using environmentally conscious print practices.

18-AC104D1-1E-EN 01 May 2020
Supersedes 18-AC104D1-1D-EN (December 2019)

SYSTEM FAULTS

REFRIGERANT CIRCUIT

Head Pressure Too High

Head Pressure Too Low

Suction Pressure Too High

Suction Pressure Too Low

Liquid Refrig. Floodback (TXV/EEV)

Liquid Refrig. Floodback

(Cap. Tube)

I.D. Coil Frosting

Compressor Runs

Inadequate or No Cooling/Htg

ELECTRICAL

Compressor & O.D. Fan

Won’t Start
Compressor Will Not Start

But O.D. Fan Runs

O.D. Fan Won’t Start

Compressor Hums But Won’t Start

Compressor Cycles on IOL

I.D. Blower Won’t Start

DEFROST

Unit Won’t Initiate Defrost

Defrost Terminates on Time

Unit Icing Up

R S

PLY

HIG

H V

OLT

E W

IRIN

N C

APA

CIT

STA

PAC

ITO

STA

LAY

NTA

CTO

R C

TAC

W V

OLT

E W

IRIN

L T

STA

NTA

CTO

R C

OIL

W V

OLT

E F

STU

INE

FFIC

IEN

T C

F. U

F. O

IVE

AP.

LES

S. O

.D.

AIR

FLO

O.D

. A

CIR

LAT

ION

V/E

K O

EAT

S. I

.D.

AIR

FLO

F. C

IR.

STR

ICT

ION

V L

KIN

V C

OIL

EFE

IVE

K V

ALV

E L

KIN

T R

ELA

Y D

EF.

T C

C
H
C
H
C
H
C
H
C
H
C
H
C
H
C
H

C
H
C
H
C
H
C
H
C
H
C
H

C
H
C
H
C
H

P
P

P
P
P
P
P
P

P
P
P
P

S
S

S
S
S
S

S
S

S
S
S
S

S
S
S
S
S
S
S
S

S
S

P
P

S
S

P
P

S
S

P
P

P
P
P
P

P
P
P
P
P
P
P
P

S
S
S
S

S
S

P
P

S
S

S
S
S

S
S

S
S
S

S
S

P
P

S
S
S
S
S
S

S
S

P
P

S
S
S
S

S
S

S
S
P
P

S
S

P
P
P

P
P

S
S

P P

C - Cooling H - Heating P - Primary Causes S - Secondary Causes

- 3 Phase Only

15.2 Troubleshooting

Содержание 4TWR6

Страница 1: ...pproved matched indoor and outdoor systems All of the manufacture s split systems are A H R I rated only with TXV EEV indoor systems Some of the benefits of installing approved matched indoor and outd...

Страница 2: ...component replacement For specific handling concerns with R 410A and POE oil reference Retrofit Bulletins SS APG006 EN and APP APG011 EN Extreme caution should be exercised when opening the Liquid Li...

Страница 3: ...f be sure the roof will support the unit s weight Properly selected isolation is recommended to alleviate sound or vibration transmission to the building structure 1 The maximum length of refrigerant...

Страница 4: ...ubbery to ensure adequate airflow Outdoor unit location must be far enough away from any structure to prevent excess roof runoff water or icicles from falling directly on the unit NOTE It is recommend...

Страница 5: ...ing the unit on a support pad such as a concrete slab consider the following The pad should be at least 1 larger than the unit on all sides The pad must be separate from any structure The pad must be...

Страница 6: ...ry Charge 5 4 Refrigerant Line Insulation Important The Vapor Line must always be insulated DO NOT allow the Liquid Line and Vapor Line to come in direct metal to metal contact Vapor Line Liquid Line...

Страница 7: ...from the refrigerant lines For Example When the refrigerant lines have to be fastened to floor joists or other framing in a structure use isolation type hangers Isolation hangers should also be used w...

Страница 8: ...e or other appropriate method every 8 ft 8 Feet Maximum Isolation Through Wall DO NOT hang line sets from ductwork Sealant Insulation Vapor Line Wall Ductwork Isolator Line Set Section 7 Refrigerant L...

Страница 9: ...orrect direction of refrigeration flow away from outdoor unit and toward evapo rator coil as illustrated Braze the filter drier to the Liquid Line Continue the dry nitrogen purge Do not remove the wet...

Страница 10: ...P 2 Check for leaks by using a soapy solu tion or bubbles at each brazed location Remove nitrogren pressure and repair any leaks before continuing Section 8 Refrigerant Line Leak Check 8 1 Check For L...

Страница 11: ...ete blank off the vacuum pump and micron gauge and close the valves on the manifold gauge set 1 MIN Section 10 Service Valves 10 1 Open the Gas Service Valve 0350 Microns ON OFF CAP 1 4 TURN ONLY COUN...

Страница 12: ...STEP 3 Replace the valve cap to prevent leaks Tighten finger tight plus an additional 1 6 turn Cap Rolled Edge to Captivate Stem Hex Headed Valve System Service Port 3 16 Hex Wrench Unit Side of Servi...

Страница 13: ...Handler Outdoor Unit R G B W1 W2 R B O Y X2 R G B C O Y W Blue 24 VAC HOT FAN 24 VAC Common SOV COOL HEAT 1st STAGE HEATING 2nd STAGE EMERGENCY HEAT Pink Black White X2 O Y With TAM 4 5 7 9 Thermosta...

Страница 14: ...pin open results in the normal mode of operation 2 FRC_DFT Forced Defrost Short TEST_ COMMON to this pin for two 2 seconds to initiate a forced defrost Remove the short after defrost initiates Defrost...

Страница 15: ...Voltage Ground Ground the outdoor unit per national state and local code requirements LIVE ELECTRICAL COMPONENTS During installation testing servicing and troubleshooting of this product it may be ne...

Страница 16: ...s to apply power to the indoor and outdoor units STEP 5 Set system thermostat to ON OFF DONE CANCEL ON OFF STEP 4 Wait one 1 hour before starting the unit if compressor crankcase heater acces sory is...

Страница 17: ...ient tempera ture is above 55 F For best results the indoor temperature should be kept between 70 F to 80 F STEP 1 Use the refrigerant line total length and lift measurements from Section 5 3 Total Li...

Страница 18: ...LINE LENGTH FEET REFRIGERANT LINE LIFT FEET 10 20 25 30 40 60 Add 4 of Subcooling Add 3 of Subcooling Add 2 of Subcooling Add 1 of Subcooling Use Design Subcool Value 60 50 40 30 25 20 15 10 0 SUBCOO...

Страница 19: ...intersection of the Final Subcooling column and the Liquid Temperature row Special subcooling for application with TEM6 AH Table 14 2 8 9 10 11 12 13 14 179 182 185 188 191 195 198 195 198 201 204 208...

Страница 20: ...FIND INTERSECTION OF OD TEMP ID W B 3 READ DISCHARGE OR SUCTION PRESSURE IN LEFT COLUMN 4 EXAMPLE 1 OUTDOOR TEMP 82 F 2 INDOOR WET BULB 67 F 3 AT INTERSECTION ACTUAL 4 DISCHARGE PRESSURE 1450 CFM IS...

Страница 21: ...___ F Liquid Gage Pressure __________ PSIG Suction Gage Pressure __________ PSIG Calculating Charge Using the Weigh In Method STEP 1 Measure in feet the distance between the outdoor unit and the indoo...

Страница 22: ...btained with the namplate charge plus additional charge previously added STEP 5 Return to site for adjustment Important Return in the spring or summer to accurately charge the system in the cooling mo...

Страница 23: ...gainst the following list Final phases of this installation are the unit Operational and Checkout Procedures To obtain proper performance all units must be operated and charge adjustments made Importa...

Страница 24: ...ime Unit Icing Up W H A T T O C H E C K M O D E P O W E R S U P P L Y H I G H V O L T A G E W I R I N G C O M P R E S S O R I O L R U N C A P A C I T O R S T A R T C A P A C I T O R S T A R T R E L A...

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