Installation Instructions
PDX3 Series
PACKAGED DUAL FUEL UNITS
TABLEOF CONTENTS
UNITDIMENSIONS ...................................... 2 - 3 BALANCEPOINTTEMPERATURES....................... 10
SAFEINSTALLATIONREQUIREMENTS ......................... 4
LOCATINGTHE UNIT ....................................... 5
CLEARANCES ............................................ 5
INSTALLATION............................................ 5
GROUNDLEVELINSTALLATION .............................. 5
HOISTING................................................ 6
DOWNFLOWCONVERSION.................................. 6
HEATINGVENTASSEMBLY.................................. 6
CONDENSATEDRAIN....................................... 7
PRE-EXISTINGCOMMONVENTCHECK......................... 7
GASSUPPLYAND PIPING ................................... 7
ORIFICES............................................... 8
DUCTWORK......................................... 11
FILTERS ............................................ 12
AIRFLOWADJUSTMENT ............................... 13
START-UPPROCEDURES .............................. 14
GAS PRESSURES .................................... 14
GAS HEATINGSTART-UP PROCEDURES .................. 15
OPERATION......................................... 16
MAINTENANCE ...................................... 17
INSPECTIONANDCLEANING............................ 19
COMPONENTLOCATION ............................... 20
RIGGING ........................................... 21
ELECTRICALWIRING...................................... 10 WIRINGDIAGRAMS ................................ 22- 23
CQUS
................. LISTED
InternationalComfortProducts,LLC
Lewisburg,TN. 37091
518 01 1601 00 2-22-06
Printed in U.S.A.
Code: PDX3
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