Installation guide

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Installation Instructions

PAF3 Series

PACKAGE AIR CONDITIONERS

TABLEOF CONTENTS

UNITDIMENSIONS ......................................... 2

SAFEINSTALLATIONREQUIREMENTS ......................... 3

LOCATINGTHE UNIT ....................................... 3

CLEARANCES ............................................ 3

INSTALLATION............................................ 3

GROUNDLEVELINSTALLATION .............................. 3

RooftopINSTALLATION..................................... 3

HOISTING................................................ 4

DOWNFLOWCONVERSION.................................. 4

CONDENSATEDRAIN....................................... 4

ELECTRICALWIRING................................... 5

DUCTWORK.......................................... 6

FILTERS ............................................. 6

AIRFLOWADJUSTMENT ................................ 7

START-UPPROCEDURES ............................... 8

Sequence of OPERATION................................ 8

MAINTENANCE ....................................... 8

RIGGING ........................................... 11

WIRINGDIAGRAMS ................................ 12 - 13

_ CLIS_IEDUS

519 01 1201 O0 12-5-05

Printed in U.S.A.

Key: PAF3

Summary of content (13 pages)

PAGE 1
Installation Instructions PAF3 Series PACKAGE AIR CONDITIONERS TABLEOF CONTENTS UNITDIMENSIONS ......................................... 2 ELECTRICALWIRING ................................... 5 SAFEINSTALLATIONREQUIREMENTS ......................... 3 DUCTWORK.......................................... 6 LOCATINGTHE UNIT ....................................... 3 FILTERS ............................................. 6 CLEARANCES ............................................ 3 AIRFLOWADJUSTMENT ..
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TO 5 TON 41/2" See Detail BASE PAN - CHASSIS 42-3/4"* BASE RAIL 27 46-1 !8"* --" 12-1/4 i Condensate Drain 19 SUPPLY 12-1/4 1-3/4 RETURN 19 / I I t 1-9/16 2-3/16 2-3/16 3-3/4 A B C D E F G H I J 2 Ton UNIT SIZE 29-1/2 47-1/2 47-1/2 3 9-1/2 12 14 12 14 4-1/2 2-1/2 TO 5 Ton 37-1/2 47-1/2 47-1/2 3 9-1/2 12 14 12 14 4-1/2 ** Measured from inside to inside on base rails.
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2. SAFE INSTALLATION REQUIREMENTS Minimum Clearances Duct Side Condenser FIRE AND ELECTRICAL SHOCK HAZARD Failure to carefully read and follow all instructions in this manual could result in furnace malfunction, personal injury, death and/or property damage. Blower Control (Side) Side (Front 30" Air Inlet) .............. 30" 3 Ft. Overhang and Top of Unit Base (Wood ......................... 30" or Class A, B or C roof covering FiGuRE i models) 30" ...............................
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reinforced. Check the weight of the unit in relation to the roof structure and local building codes or ordinances and reinforce roof structure if necessary. - Support for the unit MUST be level and strong enough to carry unit weight. The support may consist of a platform or a combination of platform and roof beams or curb. FIGURE 2 1 Condensate Drain Information* 3/4" (19.1mm) Female PVC Fitting _ HOISTING NOTE: All access panels MUST be secured in place before hoisting.
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4. ELECTRICAL ELECTRICAL WIRING SHOCK 2. Connect ground lead to chassis ground connection. 3. Connect L1 to pressure lug connection compressor contactor. 4. Connect L2 to pressure lug connection compressor contactor. HAZARD. Failure to follow this warning could result in personal injury, death and/or property damage. Thermostat The unit cabinet must have an uninterrupted, unbroken electrical ground to minimize the possibility of serious injury if an electrical fault should occur.
PAGE 6
THERMOSTAT HEAT ANTICIPATOR Some thermostats have an adjustable heat anticipator. The heat anticipator prevents temperature overshoot in heating mode. If the heat doesn't turn off until the set point temperature on the thermostat is exceeded, then the anticipator setting is too low. If the heat turns off before the thermostat reaches the set point temperature on the thermostat, then the anticipator setting is too high. Follow the thermostat instruction manual for proper adjustment of the heat anticipator.
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6. AIRFLOW ADJUSTMENT CIRCULATING AIR BLOWER SPEEDS BLOWERPERFORMANCEDATA ModeINumber PAF324000KOOA1 Speed Tap 1 2 3 4 PAF330000K00A1 1 2 3 PAF336000K00AI 4 1 2 3 PAF342000K00AI 4 t 2 3 PAF348000K00AI 4 t 2 3 PAF354000KOOA1 4 t 2 3 4 0.1 891 1136 986 1076 1286 1352 1162 1278 1529 1652 1138 1240 1505 1643 1154 1245 1750 1908 1348 1449 1998 2173 0.2 845 1098 949 1038 1225 1311 1118 1233 1484 1607 1087 1189 1467 1609 1084 1170 1696 1864 1274 1372 1943 2113 0.
PAGE 8
7. START-UP PROCEDURES CHECK BEFORE STARTING 1. Check that the blower motor speed terminal block is running the correct heating and cooling speeds. 2. Check to see that clean, properly sized air filters are installed. 3. Replace all service access panels. Check the unit's operation as outlined in the following instructions. If any unusual sparking, odors or unusual noises are encountered, shut off electric power immediately. Recheck for wiring errors, or obstructions in or near blower motors. 1.
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ANNUAL MAINTENANCEANDINSPECTION 3. Remove the two red wires attached to the limit switch and remove the limit switch. Motor removal and replacement ELECTRICAL SHOCK HAZARD. Failure to follow this warning could result in personal injury, death and/or property damage. Turn off electric power supply at disconnect switch or service panel before removing any access or service panel from unit. The annual inspection should include cleaning as required to ensure efficient operation of the unit.
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FIGURE 7 Control Box Control Plate Capacitor Strap j- .
PAGE 11
.o R GG NG INSTRUCTIONS __ :D C: fAiLURE TOfOLLOW -_-SE_.STRUC-r_O_S CAN RESULT IN PROPERTY DAMAGE, BoD,_,_u_R_ oRDEAT_ rn QO //_ WA_\ - ALL NO PANELS MUST BE IN PLACE WHEN RIGGING AND LIFTING. tQ - HOOK RIGGING SHACKLES THROUGH HOLES IN BASE RAIL, AS SHOWN IN DETAIL-A. - USE SPREADER BARS, WHEN RIGGING, TO PREVENT UNIT DAMAGE. - BE SURE RIGGING AND SHACKLES ARE SUFFICIENT TO HANDLE WEIGHT LISTED BELOW. DETAIL-A DER BARS -¢ _J HEIGHT LENGTH Max.
PAGE 12
10. Wiring Diagrams Fl_t 0 E _ _I_! ¸ K_L Ol li O_ ol f_ O _N_ 7 O'i ,n li ,m ii C_l ! cO 0 C_l m II II | !! !_ UNIT CO_ON_NT ? l ] ; .... ] ........ I :_....... II _,,,,,a,,,i__ , .
PAGE 13
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