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Installer's Guide
h. oPeratIonaL and
checkoUt ProcedUreS
Final phases of this installation are the unit Operational and
Checkout Procedures which are found in this instruction on page
11. To obtain proper performance, all units must be operated and
charge adjustments made in accordance with procedures found in
the Service Facts.
IMPORTANT:
Perform a final unit inspection to be sure that factory tubing has not
shifted during shipment. Adjust tubing if necessary so tubes do not rub
against each other when the unit runs. Also be sure that wiring con-
nections are tight and wire routing is secure.
troUBLeShootInG chart — What to check
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
C - Cooling
H - Heating
10
C
H
C
H
C
H
C
H
C
H
C
H
C
H
C
H
C
P
P
S
P
H
P
P
S
P
C
P
S
P
S
S
S
H
P
S
P
S
S
S
C
P
P
S
H
P
P
S
C
P
S
S
S
H
P
S
S
S
C
P
S
P
S
S
S
H
P
S
P
S
S
S
C
P
P
S
P
H
P
P
S
P
C
H
C
H
C
H
P - Primary Causes
S - Secondary Causes
I.
eLectrIc heaterS
Electric heaters, if used, are to be installed in the air handling
device according to the instructions accompanying the air handler
and the heaters.
J. SeacoaSt ShIeLd
If installed within one mile of salt water, including seacoasts and
inland waterways, models without factory supplied Seacoast Salt
Shields require the addition of BAYSEAC001 (Seacoast Kit) at in-
stallation time. Please refer to Application Guide SS-APB006-EN:
Trane - Sea Coast Applications.
IMPORTANT:
See Limited Warranty information in Use and Care Manual.
P
P
S
P
P
P
S
S
P
S
P
S
P
P
S
P
P
S
P
S
P
S
P
S
S
P
S
S
S
P
S
S
P
P
S
P
P
P
P
P
P
P
S
P
P
S
S
P
S
P
P
S
S
S
S
S
S
P
P
S
*
- 3 Phase Only
S
S
P
S
S
S
S
S
S
P
S
S
S
S
P
S
P
P
S
P
S
P
S
S
S
S
S
P
P
P
P
S
S
P
S
S
S
S
S
P
S
S
S
S
S
P
S
S
S
S
S
S
S
P
S
P
P P
P
S
S
P
P
18-BC53D2-3
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