Fujitsu F1P Series Page 34 Installation Instructions Manual Download | Manualshive

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7. Lower the blower and remove from air handler.

7.5.2 LARGE CABINET BLOWER ASSEMBLY REMOVAL PROCEDURE

14.7

((-)F1P30, (-)F1P36, AND (-)F1T36)

1. Disconnect all power to the air handler.
2. Disconnect all blower motor leads from the control board, capacitor, and speed tap.

Reference wiring diagram for more detail.

3. If equipped with a heater kit, remove the 3 screws which attach the breaker/terminal

block assembly to the blower shelf. This will help gain access to the screws in step

8. (1/4” Socket)

4. Remove capacitor to help prevent damage to the coil. (1/4” Socket)

5. Install a 21” × 24” piece of cardboard over the coil as illustrated below to help protect

the coil from damage.

34

Remove Screws

Remove

Capacitor

Install Cardboard

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Summary of Contents for F1P Series

Page 1: ...lure to follow these instructions may result in improper installation adjustment service or maintenance possibly resulting in fire electrical shock property damage personal injury or death ISO 9001 2008 WARNING These instructions are intended as an aid to qualified licensed service personnel for proper installation adjustment and operation of this unit Read these instructions thoroughly before att...

Page 2: ...ant Charging 15 3 10 Condensate Drain 15 3 11 Thermostat 16 3 12 Electrical Wiring 16 3 12 1 Configuring Unit for 208 Volt Power 16 3 12 2 Grounding 17 3 12 3 Power Wiring 17 3 12 4 Copper Wire Size 17 3 12 5 Electrical Data Blower Motor Only Without Electric Heat 18 3 12 6 Electrical Data With Electric Heat 18 3 12 7 Electric Heater Kit Supplemental Information 19 3 12 8 Control Wiring 20 3 12 9 ...

Page 3: ...se severe personal injury or death SEE SECTION 3 12 ELECTRICAL WIRING WARNING Duct leaks can create an unbalanced system and draw pollutants such as dirt dust fumes and odors into the home causing property damage Fumes and odors from toxic volatile or flammable chemicals as well as automo bile exhaust and carbon monoxide CO can be drawn into the living space through leaking ducts and unbalanced du...

Page 4: ...EE SECTION 3 7 AIR FILTER Do not operate the system without filters A portion of the dust entrained in the air may temporarily lodge in the duct runs and at the supply registers Any circulated dust particles could be heated and charred by contact with the air handler elements This residue could soil ceilings walls drapes carpets and other articles in the house Soot damage may occur with filters in...

Page 5: ...n unbalanced system and draw pollutants such as dirt dust fumes and odors into the home causing property damage Fumes and odors from toxic volatile or flammable chemicals as well as automobile exhaust and carbon monoxide CO can be drawn into the living space through leaking ducts and unbalanced duct systems causing personal injury or death see Figure 1 If air moving equipment or ductwork is locate...

Page 6: ...ST NOMINAL CAPACITY 18 18 000 BTU H 30 30 000 BTU H 24 24 000 BTU H 36 36 000 BTU H BRAND METERING DEVICE T TXV P PISTON WIDTH 21 21 5 24 24 OPTION CODE BLANK NONE FACTORY HEAT 00 NO HEAT 08 8 kW 03 3kW 10 10 kW 05 5 kW DISCONNECT B BREAKER N NONE FIGURE 2 MODEL NUMBER EXPLANATION 6 2 4 AVAILABLE MODELS J VOLTAGE F1P1821SPAN F1P2421SPAN F1P3024SPAN F1P3624SPAN F1P1821STAN F1P2421STAN F1P3024STAN F...

Page 7: ...000 472 24 609 6 F1P18 36 914 4 17 431 8 20 508 23 584 2 20 508 23 584 2 23 584 2 20 508 17 7 16 442 9 600 283 80 90 36 41 80 90 36 41 95 105 43 48 95 105 43 48 80 90 36 41 95 105 43 48 21 1 2 546 1 FIGURE 3 DIMENSIONS AND WEIGHTS NOTE 24 CLEARANCE REQUIRED IN FRONT OF UNIT FOR FILTER AND COIL MAINTENANCE HIGH VOLTAGE CONNECTION 1 3 8 AND 7 8 KNOCKOUTS VAPOR LINE CONNECTION COPPER SWEAT FRONT RETU...

Page 8: ...it Failure to confirm proper charge and airflow may reduce energy effi ciency and shorten equipment life The equipment has been evaluated in accordance with the Code of Federal Regulations Chapter XX Part 3280 Install the unit in accordance with applicable national state and local codes Latest edi tions are available from National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 T...

Page 9: ...ier will only have adequate moisture holding capaci ty if the system is properly evacuated Desiccant drying agent must be compatible for POE oils and R 410A refrigerant 3 2 APPLICATONS Vertical Upflow is the factory configuration for all models see Figure 3 If return air is to be ducted install duct flush with floor Use fireproof resilient gasket 1 8 to 1 4 in thick between duct unit and floor Set...

Page 10: ...rn duct If an external filter rack is installed the unit s internal filter must be removed 3 2 2 R 22 AIR HANDLER REPLACEMENTS F1P models can be used to replace an air handler in applications using R 22 refriger ant with a simple orifice piston change Refer to Section 3 8 for recommended orifice sizes for R 22 systems 3 2 3 INSTALLATION IN AN UNCONDITIONED SPACE The exterior cabinet of an air hand...

Page 11: ...n insulation sealed and service access is provided to prevent accumulation of moisture inside the insulation wrap An auxiliary overflow pan is recommended to protect the structure from excessive cabinet sweating or a restricted coil drain line See Section 3 3 If an electric heater kit is installed be sure the breaker or disconnect cover is sealed tightly to the door panel 3 2 4 INSTALLATION IN COR...

Page 12: ...r a field installed accessory kit RXHK A01 See Section 6 2 that will shut the outdoor unit off to prevent the water level in the unit drainpan from rising above a safe level As with the auxiliary overflow pan most building codes require a drain overflow switch for installations where structure damage can occur as a result of an overflow of the unit condensate drainpan 3 5 CLEARANCES All units are ...

Page 13: ...filter rack is provided with this unit and is sufficient for most applications using this type of air handler If an external means of filtering the return air is required the external filters should be sized for a maximum of 300 feet min air velocity or the maximum velocity recommended by the type of filter installed One or more return air fil ter grilles a filter rack attached to unit return air ...

Page 14: ...ant connection stubs to prevent contaminants from entering the coil Clean the ends of the tubing and coil connection stubs inside and outside with an alcohol wipe before inserting the line set tubes into the coil connection stubs to assure a quality leak free braze joint Refer to the outdoor unit installation instructions for details on refrigerant line sizing and installation Be sure to follow lo...

Page 15: ...o 500 microns or below before charging the system or opening the service valves on the outdoor unit which will release the charge stored in the outdoor unit into the line set and air handler coil Failure to reach 500 microns of vacuum is a sign of a leak or excessive moisture inside the system 3 9 6 REFRIGERANT CHARGING Once the evacuation process is completed break the vacuum with the refrigerant...

Page 16: ... above the floor on an inside wall of the living room or a hallway that has good air circulation from the other rooms being con trolled by the thermostat It is essential that there be free air circulation at the location of the same average temperature as other rooms being controlled Movement of air should not be obstructed by furniture doors draperies etc The thermostat should not be mounted wher...

Page 17: ...it IMPORTANT Units with electric heater kits installed may be equipped with one two or three 30 60 amp circuit breakers These breaker s protect the internal wiring in the event of a short circuit and serve as a disconnect Circuit breakers installed within the unit do not provide over current protection of the supply wiring and therefore may be sized larger than the branch circuit protection Supply...

Page 18: ...20 RXHJ 24B05J 3 6 4 8 1 60 1 4 8 SINGLE 17 3 20 0 2 5 25 29 25 30 RXHJ 24B08J 5 4 7 2 1 60 2 3 6 SINGLE 26 0 30 0 2 5 36 41 40 45 RXHJ 24B10J 7 2 9 6 1 60 2 4 8 SINGLE 34 6 40 0 2 5 47 54 50 60 RXHJ 24B03J 2 25 3 0 1 60 1 3 0 SINGLE 10 8 12 5 2 5 17 19 20 20 RXHJ 24B05J 3 6 4 8 1 60 1 4 8 SINGLE 17 3 20 0 2 5 25 29 25 30 RXHJ 24B08J 5 4 7 2 1 60 2 3 6 SINGLE 26 0 30 0 2 5 36 41 40 45 RXHJ 24B10J ...

Page 19: ...SINGLE CIRCUIT CIRCUIT SIMPLE M MULTIPLE CIRCUIT CIRCUIT MULTIPLE INDOOR BLOWER MOTOR LOAD INCLUDED IN CIRCUIT 1 OR TOTAL SUPPLY WIRE MUST BE RATED AT 75 C MINIMUM COPPER CONDUCTORS ONLY TEST EXTERNAL STATIC RANGE 1 TO 5 IN W C HEAT PUMP ELECTRIC HEAT UNITS WITH ELECTRIC HEATERS CLEARANCE TO COMBUSTIBLE MATERIAL TO BE 0 IN TO UNIT CASING AND 0 IN TO PLENUM AND DUCT FOR FIRST 36 IN MODELS HAVE INTE...

Page 20: ...ap 3 13 1 GENERAL AIR FLOW OPERATING LIMITS FIGURE 8 TYPICAL THERMOSTAT STRAIGHT COOLING W ELECTRIC HEAT For 13kW or higher W1 and W2 can be connected together for maximum outlet temperature rise F1P has no Y connection Connect Y on outdoor unit directly to Y on thermostat on F1P FIGURE 9 TYPICAL THERMOSTAT HEAT PUMP W ELECTRIC HEAT F1P has no Y connection Connect Y on outdoor unit directly to Y o...

Page 21: ...e Blower Control Board 3 13 2 2 F1T MODELS CONSTANT TORQUE ECM MOTOR Each F1T model is designed to be matched with 2 different outdoor unit capacities 1 5 2 0 tons and 2 5 3 0 tons F1T models have constant torque ECM motors with 5 blower motor speed taps labeled 1 through 5 Speed selections are made on a termi nal block located on the motor housing Speed tap T1 is always dedicated to continuous fa...

Page 22: ...y Delivery filter heaters RPM Watts External Static Pressure Inches W C 0 10 0 20 0 30 0 40 0 50 0 60 0 70 CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts 873 828 785 751 707 897 923 948 955 981 288 286 283 280 274 572 543 508 477 438 706 753 791 830 869 184 181 187 178 172 1137 1097 1034 985 933 868 810 1101 1104 1114 1118 1124 1130 ...

Page 23: ...commended Air Flow Range Max Min CFM Blower Size Motor HP of Speeds Motor Speed From Factory Motor Speed X 13 CFM Dry Delivery filter heaters RPM Watts External Static Pressure Inches W C 0 10 0 20 0 30 0 40 0 50 0 60 0 70 CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts CFM RPM Watts 852 823 792 770 738 713 690 847 881 915 949 989 1026 1057 162 151...

Page 24: ...ant charge If the controls are not found to be functioning properly or the air flow or refrigerant charge are not within specifications cor rective action must be taken The following sections are provided to assist the installer with the operational check out 4 3 SEQUENCE OF OPERATION 4 3 1 COOLING MODE When the thermostat calls for cooling the G terminal on the blower control board is energized w...

Page 25: ... SUPPLEMENTAL ELECTRIC HEAT DURING DEFROST Supplemental electric heat during the defrost cycle can be provided by running a wire from the purple pigtail wire from D terminal on defrost control on the outdoor heat pump unit to the W1 pigtail on the air handler This will energize the electric heat during the defrost cycle to prevent cold air from being discharged from the supply registers in the hom...

Page 26: ... and return ple num static pressure tubing can also be connected to both pressure ports of the pressure measuring device which will automatically add the two pressures together 4 6 2 ESTIMATING CFM USING ELECTRIC HEAT TEMPERATURE RISE If the air handler is equipped with an electric heater the CFM can be estimated using the air temperature rise across the air handler with the heater and blower both...

Page 27: ...s An example of this is when the G and Y thermostat inputs are both energized in the cooling or heat pump heating mode In this case T1 continuous fan and a higher numbered speed tap will both be energized resulting in the motor operating at the higher speed to support the cool ing or heat pump heating air flow requirement The air flow delivery rate for a constant torque ECM motor will not decrease...

Page 28: ...centrifugal wheel The blower housing is construct ed from galvanized sheet metal The motor is attached with a 4 arm belly band type mount that screws into the side of the blower housing The control box attaches to the front of the blower housing for assess through the blower access door The blower slides into place on a track and is secured by 4 sheet metal screws 5 5 TRANSFORMER A 40VA transforme...

Page 29: ...heater kits are available The heater kit is controlled by the blower control based on thermostat inputs All heater kits are equipped with a circuit breaker style disconnect Incoming electric power is connected directly to the heater kit power terminals The heater kit is provided with 2 power wires that connect to the air handler power terminal block providing power to operate the blower motor and ...

Page 30: ...ille RXHK is used as decorative grill which covers the return air opening of the front return air handler FIGURE 12 THUMB SCREWS PROVIDED WITH KIT DECORATIVE GRILL Accessory Number Indoor Unit F1P18 RXHK C01 F1P24 F1T24 F1P30 RXHK C02 F1P36 F1T36 Accessory Number Indoor Unit F1P18 RXHK C01 F1P24 F1T24 F1P30 RXHK C02 F1P36 F1T36 FIGURE 11 THUMB SCREWS PROVIDED WITH KIT COIL DOOR REMOVE BOTTOM BLOCK...

Page 31: ...T A1222 01 6 5 DECORATIVE WALL GRILLE Decorative Wall Grille RXHK D01 RXHK D02 is used in applications where the air han dler is installed in a closet or interior wall and allows adequate return air back to the unit ...

Page 32: ...warm water and or with a vacuum with a soft brush attachment to remove accumulated contaminants and lint It is important not to allow the tool to damage or bend the fins Many chemical cleaners will attack the aluminum tubes which can cause refrigerant leaks Therefore use only clean warm water for cleaning aluminum tube evaporator coils Do not use caustic household drain cleaners or bleach in the c...

Page 33: ...F1P24 AND F1T24 1 Disconnect all power to the air handler 2 Disconnect all blower motor leads from the control board capacitor and speed tap Reference wiring diagram for more detail 3 If equipped with a heater kit remove the 3 screws which attach the breaker terminal block assembly to the blower shelf This will help gain access to the screws in step 6 1 4 Socket 4 Remove capacitor to help prevent ...

Page 34: ...ap Reference wiring diagram for more detail 3 If equipped with a heater kit remove the 3 screws which attach the breaker terminal block assembly to the blower shelf This will help gain access to the screws in step 8 1 4 Socket 4 Remove capacitor to help prevent damage to the coil 1 4 Socket 5 Install a 21 24 piece of cardboard over the coil as illustrated below to help protect the coil from damage...

Page 35: ... air handler 9 Tilt the coil assembly forward Note Depending upon the amount of slack in the refrigerant lines the system may have to be evacuated and the suction and liquid line of the air handler may have to be uninstalled from the system in order to prevent damage to the refrigerant lines which could result in a total loss of refrigerant Remove 6 Sheet Metal Screws From Top Plate Remove 2 Sheet...

Page 36: ...lf 1 4 Socket 11 Remove the 3 sheet metal screws which attached the blower to the blower shelf located in the air handler control box 3 8 Socket 12 Lower the blower and turn assembly counter clockwise with the motor pointing towards the top of the air handler Remove Screws Remove 4 Blower Screws ...

Page 37: ... equipped with a heater kit remove the 3 screws which attach the breaker terminal block assembly to the blower shelf This will help gain access to the screws in step 8 1 4 Socket 4 Remove capacitor to help prevent damage to the coil 1 4 Socket 5 Install a 21 24 piece of cardboard over the coil as illustrated below to help protect the coil from damage 6 Remove loosen set screw from the hub located ...

Page 38: ... in the air handler control box 3 8 Socket 9 Lower the blower and slide the blower to the left side of the air handler 10 Remove the 4 motor mount screws from the right side of the blower housing 3 8 Socket 11 Remove the motor assembly from the blower housing by sliding the motor shaft out of the blower hub Remove Screws Remove 4 Blower Screws Remove Sheet Metal Screws From Each Side of Blower ...

Page 39: ...ing blower sides Reassemble motor wiring to capacitor and blower control or motor terminals making sure that wires match wiring diagram and are tight and secure 7 5 5 BLOWER WHEEL REPLACEMENT With the blower assembly removed and the motor assembly removed see above instructions remove the screws holding the blower wrap cutoff to the blower sides With wrap cutoff screws removed cut off end of blowe...

Page 40: ...YHU WHPSHUDWXUH OLPLW KDV WULSSHG FKHFN IRU ORZ DLU IORZ 2YHU WHPSHUDWXUH OLPLW KDV IDLOHG UHSODFH 6HTXHQFHU RU FRQWDFWRU KDV IDLOHG UHSODFH 2QH RU PRUH KHDWLQJ HOHPHQWV KDYH EXUQHG RXW UHSODFH RLO LV IUR HQ XS 6 VWHP ORZ RQ UHIULJHUDQW FKDUJH FKHFN IRU OHDNV DGMXVW FKDUJH LUW UHWXUQ DLU ILOWHU UHSODFH ILOWHU QDGHTXDWH DLU IORZ GXH WR LQFRUUHFW EORZHU PRWRU VSHHG VHOHFWHG VHOHFW KLJKHU VSHHG RU H ...

Page 41: ...ME SIZE AND TYPE OF INSULATION AS ORIGINAL 105C MIN FIELD INSTALLED FACTORY STANDARD LOW VOLTAGE FIELD INSTALLED FACTORY OPTION FACTORY STANDARD LINE VOLTAGE WIRE COLOR CODE BK BLACK BR BROWN BL BLUE G GREEN GY GRAY O ORANGE PR PURPLE R RED W WHITE Y YELLOW HR Y Y HR HR ELECTRICAL WIRING DIAGRAM DR BY DWG NO REV ELECTRIC AIR HANDLER PSC MOTOR 208 240 V 3 5 KW ELECTRIC HEAT FOR LOW SPEED BLOWER REM...

Page 42: ...ROUNDED AND CONFORM TO I E C N E C C E C NATIONAL WIRING REGULATIONS AND LOCAL CODES AS APPLICABLE REPLACEMENT WIRE MUST BE THE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL 105C MIN FIELD INSTALLED FACTORY STANDARD LOW VOLTAGE FIELD INSTALLED FACTORY OPTION FACTORY STANDARD LINE VOLTAGE WIRE COLOR CODE BK BLACK BR BROWN BL BLUE G GREEN GY GRAY O ORANGE PR PURPLE R RED W WHITE Y YELLOW ELECTRICAL W...

Page 43: ... E C C E C NATIONAL WIRING REGULATIONS AND LOCAL CODES AS APPLICABLE REPLACEMENT WIRE MUST BE THE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL 105C MIN FIELD INSTALLED FACTORY STANDARD LOW VOLTAGE FIELD INSTALLED FACTORY OPTION FACTORY STANDARD LINE VOLTAGE COMPONENT CODES NOTES ELECTRICAL WIRING DIAGRAM DR BY DWG NO 05 REV BOARD CONTROL BOARD ELECTRIC AIR HANDLER 208 240V CONSTANT TORQUE MOTOR 3 ...

Page 44: ...C E C NATIONAL WIRING REGULATIONS AND LOCAL CODES AS APPLICABLE REPLACEMENT WIRE MUST BE THE SAME SIZE AND TYPE OF INSULATION AS ORIGINAL 105C MIN FIELD INSTALLED FACTORY STANDARD LOW VOLTAGE FIELD INSTALLED FACTORY OPTION FACTORY STANDARD LINE VOLTAGE COMPONENT CODES NOTES ELECTRICAL WIRING DIAGRAM DR BY DWG NO 05 REV OPT OPT ELECTRIC AIR HANDLER 208 240 V CONSTANT TORQUE MOTOR 8 10 KW ELECTRIC H...

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