Rheem RHAL-FR18PJ Installation Instructions Manual Download | Manualshive

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92-20521-56-09

SUPERSEDES 92-20521-56-08

WARNING

▲

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
attempting  installation  or  operation.  Failure  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

FRONT RETURN AIR HANDLERS

EARTH-FRIENDLY R-410A REFRIGERANT:

RHBL High Efficiency
RHAL Standard Efficiency

INSTALLATION INSTRUCTIONS

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Summary of Contents for RHAL-FR18PJ

Page 1: ...tions thoroughly before attempting installation or operation Failure to follow these instructions may result in improper installation adjustment service or maintenance possibly resulting in fire elect...

Page 2: ...erformance Data RHBL 18 7 0 DUCTWORK 19 8 0 REFRIGERANT CONNECTIONS 19 8 1 Condensate Drain Tubing 19 9 0 AIR FILTER 20 10 0 SYSTEM CHARGING 21 10 1 Orifice Size 21 10 2 Charging Charts 21 11 0 SEQUEN...

Page 3: ...gize the equipment Hazardous voltage can cause severe personal injury or death SEE SECTION 4 0 ELECTRICAL WIRING SEE SECTION 12 5 BLOWER ASSEMBLY REMOVAL REPLACEMENT WARNING Duct leaks can create an u...

Page 4: ...at products present safety and health risks when improperly used handled and maintained CAUTION SEE SECTION 2 1 RECEIVING In compliance with recognized codes it is recommended that an auxiliary drain...

Page 5: ...Heater elements are easily damaged Take great care when cleaning them Low pressure com pressed air is recommended for cleaning elements FIGURE 1 MIGRATION OF DANGEROUS SUBSTANCES FUMES AND ODORS INTO...

Page 6: ...hey exit conduit opening Caulking is required to pre vent air leakage into and condensate from forming inside the unit control box and on electrical controls Install the unit in such a way as to allow...

Page 7: ...TU H FR FRONT RETURN ELECTRIC HEAT 00 NO HEAT 05 5 kW 08 8 kW 10 10 kW DISCONNECT CONFIGURATION N NONE B BREAKER R H B L FR 24 T J N 00 A DESIGN VARIATION VOLTAGE J 208 240V 1 60 REFRIGERANT L 410A FR...

Page 8: ...le phase air handler is designed to be used with single or three phase 208 240V power In the case of connecting 3 phase power to the air han dler terminal block bring only two leads to the terminal bl...

Page 9: ...N mm D RETURN AIR OPENING WIDTH IN mm E RETURN AIR OPENING HEIGHT IN mm AIRFLOW COIL L s UNIT WEIGHT SHIPPING WEIGHT LBS kg RHAL 24 36 914 4 17 431 8 17 7 16 442 9 800 378 36 914 4 21 533 4 21 3 8 542...

Page 10: ...ll carpet etc around the unit Also both mounting structures require the ability to accommodate a minimum of 150 lb load Failure to do this will cause damage to the support structure and potentially da...

Page 11: ...comes with 8 clearance holes 4 on each side These holes are used to mount the air handler inside of a frame structure see figure 6 When mounting in this fashion make sure that the wood screws are moun...

Page 12: ...it disconnect of adequate size located within sight of and readily accessible to the unit IMPORTANT After the Electric Heater is installed units may be equipped with a cir cuit breaker This circuit br...

Page 13: ...f the unit See wiring diagrams attached to indoor and outdoor sections to be connected or con trol wiring diagram booklet supplied with outdoor heat pump section for wiring con nection Make sure after...

Page 14: ...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 6...

Page 15: ...S 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 EXTER...

Page 16: ...in W C external static 6 1 AIRFLOW OPERATING LIMITS Cooling BTUH x 1 000 018 024 030 036 Cooling Tons Nominal 1 5 2 2 5 3 Heat Pump or Air Conditioning Maximum Heat Cool CFM L s 675 900 1125 1350 37 5...

Page 17: ...7 1060 1082 1095 1104 478 456 437 403 376 355 1189 1135 1054 976 958 984 1012 1037 402 385 362 341 1 5 850 450 8 kW max 10X6 1 5 hp 2 speed dual voltage High High Low 2 1016 690 10 kW max 10X6 1 5 hp...

Page 18: ...049 906 938 968 1002 1030 284 299 306 315 322 1 5 827 474 8 kW max 10X6 1 3 hp 2 speed dual voltage 5 3 2 2 977 708 10 kW max 10X6 1 3 hp 2 speed dual voltage 5 2 5 1170 897 10 kW max 10X8 1 2 hp 2 sp...

Page 19: ...re the supply and return ductwork to the unit flanges using proper fasteners for the type of duct used and tape the duct to unit joint as required to prevent air leaks 8 0 REFRIGERANT CONNECTIONS Keep...

Page 20: ...FILTER Filter application and placement are critical to airflow which may affect the heating and cooling system performance Reduced airflow can shorten the life of the system s major components such...

Page 21: ...the charging charts listed below for the various outdoor units 21 INDOOR UNIT FACTORY PISTON SEER RATING OD UNIT NOMINAL TONS REFRIGERANT ORIFICE SIZE 13 1 5 R410a 0 047 14 1 5 R410a 0 049 RHAL FR18P...

Page 22: ...22 Indoor Dry Bulb Temperature F Heating Charge Chart for RHAL FR24 Matched with 13PJL24 Indoor Dry Bulb Temperature F Heating Charge Chart for RHAL FR30 Matched with 13PJL30...

Page 23: ...F Heating Charge Chart for RHAL FR36 Matched with 13PJL36 Indoor Dry Bulb Temperature F Heating Charge Chart for RHBL FR24 Matched with 14PJM18 Indoor Dry Bulb Temperature F Heating Charge Chart for...

Page 24: ...or Dry Bulb Temperature F Heating Mode Pressure after Switchover Valve Suction to Compressor psig Heating Charge Chart for RHBL FR24 Matched with RPNL 024 60 62 64 66 68 70 72 74 76 78 80 82 135 310 3...

Page 25: ...completed Circuit R and B energizes the reversing valve RV switching it to the heating position remains energized as long as selector switch is in heat posi tion Circuit R and Y energizes the contact...

Page 26: ...ermostat sub base so that the electric heat control will transfer to the first stage heat on the thermostat This will allow the indoor blower to cycle on and off with the electric heat when the fan sw...

Page 27: ...required to the line side covered of the circuit breaker this side of the breaker s will be energized with the breaker s de energized Contact with the line side can cause electrical shock resulting i...

Page 28: ...with a mild solvent such as hot water and detergent Be careful not to disturb the balance weights clips on the blower wheel blades Do not drop or bend wheel as balance will be affected 14 4 LUBRICATI...

Page 29: ...emove 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 c...

Page 30: ...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 S...

Page 31: ...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 t...

Page 32: ...L FR36 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...

Page 33: ...ws attaching the plate to the top of the air handler 1 4 Socket 7 Remove 2 sheet metal screws attaching the middle brace to the air handler cabinet 1 4 Socket 8 Remove 4 sheet metal screws 2 on each s...

Page 34: ...t lines which could result in a total loss of refrigerant 10 Remove the 2 sheet metal screws that attached the blower to the bottom of the blower shelf 1 4 Socket 11 Remove the 3 sheet metal screws wh...

Page 35: ...trols heater elements motor motor capacitor blower relay control transformer blower wheel filter indoor coil and sheet metal parts When ordering replacement parts it is necessary to order by part numb...

Page 36: ...ll RXHK is used as decorative grill which covers the return air opening of the front return air handler FIGURE 9 FIGURE 10 THUMB SCREWS PROVIDED WITH KIT THUMB SCREWS PROVIDED WITH KIT COIL DOOR DECOR...

Page 37: ...L FR24 RHBL FR24 RHAL FR30 RXHK C02 RHAL FR36 RHBL FR36 FIGURE 11 Decorative Wall Grill RXHK D01 RXHK D02 is used in applications where the air handler is installed in a closet or interior wall and al...

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