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|nsta||er's Guide
CHECKOUT PROCEDURE
After installation has been completed, it is recommended that the entire system be checked against the following list:
1. Refrigerant Line, Leak checked .................................. [
2. Suction Lines and Fittings properly insulated ........... [
3. Have all Refrigerant Lines been secured and
isolated properly? ........................................................ [
4. Have passages through masonry been sealed?
If mortar is used, prevent mortar from coining
into direct contact with copper tubing ........................ [
5. Verify tightness of all electrical connects ................... [
6. Observe outdoor fan during on cycle for clearance
and smooth operation .................................................. [
7. Indoor coil drain line drains freely. Pour water
into drain pan .............................................................. [
]
]
]
]
8. Supply registers and return grilles open and
unobstructed ................................................................ [ ]
9. Return air filter installed ............................................ [ ]
10. Thermostat thermometer is accurate. Check
against a reliable thermometer. Adjust per
instructions with thermostat ...................................... [ ]
11. Is correct speed tap being used?
(Indoor blower motor) .................................................. [ ]
12. Operate complete system in each mode to
insure safe operation ................................................... [ ]
TROUBLESHOOTING CHART -- WHAT TO CHECK
SYSTEMFAULTS
REFRIGERANTCIRCUIT
HeadPressureToo High
HeadPressureToo Low
SuctionPressureTooHigh
SuctionPressureTooLow
Liquid Refrig Floodback(TXV)
Liquid Refrig Floodback
(Cap Tube}
ID Coil Frosting
CompressorRuns
InadequateorNo Cooling/Htg
ELECTRICAL
Corn ressor&OD Fan
Wen'PtStart
CompressorWillNot Start
But OD FanRuns
OD FanWon'tStart
CompressorHumsBut Won'tStart
CompressorCycles onIOL
ID SlowerWon't Start
DEFROST
Unit Won'tInitiateDefrost
DefrostTerminatesonTime
UnitIcing Up
C - Cooling H -Healing
IHI
c P
I lP
FHIP
P- PrimaryCauses
P
P
s p s s s s
s p s s
S -SecondaryCauses 'k- 3 PhaseOnly
s
s
s
s
s
s P s
C@US
T"Jq IN£
P.I. 02/0,5
Trane
A business of
American Standard Companies
www.trane.com
Trane has a policy of continuous product and product data improvement and it reserves the right to change
design and specifications without notice.