SINGLE PACKAGE AIR CONDITIONERS PAF & APFM Series -- 2 to 5 TON 519 01 1102 00 Printed in U.S.A.
Safety Labeling and Signal Words Danger, Warning and Caution Danger Label White lettering on a black background except the word DANGER which is white with a red background. The signal words DANGER, WARNING and CAUTION are used to identify levels of hazard seriousness. The signal word DANGER is only used on product labels to signify an immediate hazard. The signal words WARNING and CAUTION will be used on product labels and throughout this manual and other manuals that may apply to the product.
UNIT DIMENSIONS 2 TO 5 TON 46--1/2” See Detail BASE PAN -- CHASSIS 42--3/4** BASE RAIL BASE RAIL 27 46--1/8** 12--1/4 Condensate Drain 19 SUPPLY 2--1/4 12--1/4 1--3/4 RETURN 19 1--9/16 2--3/16 6 2--3/16 3--3/4 A B C D E F G H I J 2 TO 3--1/2 Ton UNIT SIZE 29--1/2 47--1/2 47--1/2 3 9--1/2 12 14 12 14 4--1/2 4 TO 5 Ton 37--1/2 47--1/2 47--1/2 4 6--1/2 19 19 12 12 4--1/2 ** Measured from inside to inside on base rails.
SAFE INSTALLATION Installation or repairs made by unqualified persons can result in hazards to you and others. Installation MUST conform with local building codes or, in the absence of local codes, with the ANSI Z223.1 and the National Electrical Code NFPA70--1990 or in Canada the National Standard CAN/CGA B149--1 and CSA C.22.1 -- Canadian Electrical Code Part 1. Minimum Clearances to Combustible Construction Condenser Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rooftop Installation Rooftop platform requirements: -- The unit MUST be situated to provide safe access for servicing. -- The existing roof structure MUST be adequate to support the weight of the unit or the roof MUST be 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. See the last page of this manual for unit weights. -- Support for the unit MUST be level and strong enough to carry unit weight.
All exposed wiring and connections MUST be made with weatherproof cable or wire unless installed in conduit. Thermostat The location of the thermostat has an important effect on the operation of the unit. FOLLOW THE INSTRUCTIONS INCLUDED WITH THE THERMOSTAT FOR CORRECT LOCATION, MOUNTING AND WIRING . Ground Connections A ground lug is installed on the control plate for the ground connection (see FIGURE 3).
FIGURE 3 Control Box Low Voltage Terminal Connections Capacitor Control Board Contactor Transformer 519 01 1102 00 7
Air Distribution System For airflow data (blower performance data, blower speed tap settings, etc.) see the Parts List. Ductwork Connections Ductwork The use of flexible, non--combustible connectors between main trunk ducts and supply and return air plenums is recommended to minimize vibration transmission . NOTE: The total heat gain/heat loss from the structure as expressed in total Btu/hr MUST be calculated by manufacturer’s method or in accordance with “A.S.H.R.A.E.
Start- up Procedures the Parts List for the desired speed tap to achieve the required CFM for the applicable model. Electrical shock hazard. Use extreme care during all of the following checks and procedures. Make sure electric power is turned OFF as instructed in appropriate steps. Failure to follow this warning can result in property damage, personal injury, and/or death. Circulating Air Blower Determining Blower Speed 1. Turn electric power OFF. 2.
FIGURE 4 Blower Motor Speed Taps (3--Speed and 4--Speed Motors) 3-SPEED MOTOR YELLOW COM BLACK HI MOTOR BLACK MED LO RED 4-SPEED MOTOR BE SURE TO CHECK BLOWER MOTOR SPEED DATA IN UNITS TECHNICAL INFORMATION LABEL ON THE UNIT YELLOW COM BLACK HI BLACK MEDHI MOTOR MEDLO RED LO Operation Turning The Unit Off Cooling Adjust thermostat setting to desired temperature and set thermostat Heat--Cool switch to COOL. The unit will come on and operate automatically under control of the thermostat.
Adjusting Room Temperatures FIGURE 5 Typical Branch Duct Dampers FIGURE 6 Typical Access Ports If the temperature in individual rooms is not as desired, balance the system by adjusting the dampers in the branch ducts. Adjust a little at a time and wait a day after each change to judge the effect. Once the dampers are adjusted for normal weather conditions, it is best to leave them that way. Compensate for temporary weather changes by adjusting the thermostat setting .
Clean the surrounding area and the condenser and evaporator coils. Use caution to avoid damage to coil fins. Do not use an acid--based cleaner on coated fin material. FIGURE 8 Wire Colors Blower Motor Access Yellow To remove the blower motor and/or the blower motor housing assembly, remove the blower access panel. Refer to FIGURE 7 for a view of blower motor and compartment.
INTERNATIONAL COMFORT PRODUCTS LIMITED WARRANTY CERTIFICATE For Cooling & Heating Products SAVE THIS CERTIFICATE. It gives you specific legal rights, and you may also have other rights which may vary from state to state and province to province. If your unit needs servicing, contact a qualified dealer or qualified service technician of your choice. When requesting service, please have the model and serial number from each unit in your heating and/or cooling system readily available.
ADDITIONAL TERMS FOR RESIDENTIAL APPLICATIONS ONLY The Additional Terms for the components listed below are in addition to, and subject to, the General Terms on the reverse side of this page. Warranty coverage is limited to parts that fail due to defect in materials or workmanship during the specified term. CENTRAL GAS & OIL FURNACE HEAT EXCHANGERS* Gas Model Series: C9MPV, H9MPV, T9MPV, C9MPT, H9MPT, T9MPT, C9MPD, H9MPD, T9MPD: Limited Lifetime Warranty on heat exchangers.
