Table of Contents
Advertisement
INSTALLATION INSTRUCTIONS
FRONT RETURN AIR HANDLERS
EARTH-FRIENDLY R-410A REFRIGERANT:
RHBL High Efficiency
RHAL Standard Efficiency
WARNING
LWARNING
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.
e f r i g e r a n t
ISO 9001:2008
92-20521-56-09
SUPERSEDES 92-20521-56-08
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Rheem RHAL-FR18PJ
Summary of Contents for Rheem RHAL-FR18PJ
- Page 1 INSTALLATION INSTRUCTIONS FRONT RETURN AIR HANDLERS EARTH-FRIENDLY R-410A REFRIGERANT: e f r i g e r a n t RHBL High Efficiency RHAL Standard Efficiency WARNING LWARNING These instructions are intended as an aid to qualified licensed service personnel for proper installation, adjustment and operation of this unit.
-
Page 2: Table Of Contents
TABLE OF CONTENTS 1.0 SAFETY INFORMATION ..........3 2.0 GENERAL INFORMATION . -
Page 3: Safety Information
1.0 S FETY INFORM TION W RNING (SEE SECTION 4.0: ELECTRIC L WIRING) Disconnect all power to unit W RNING before installing or servicing. More than one disconnect switch Duct leaks can create an unbalanced system and draw pollutants such as dirt, may be required to de-energize dust, fumes and odors into the home causing property damage. - Page 4 W RNING W RNING (SEE SECTION 12.6: MOTOR REPL CEMENT) PROPOSITION 65: This appliance con- To avoid electrical shock which can result in personal injury or death, use only the screws furnished in the motor shell mounting holds. Screws are #8-18 x .25 tains fiberglass insulation.
-
Page 5: General Information
NOTICE Use of this air-handler during construction is not recommended. If opera- tion during construction is absolutely required, the following temporary installation requirements must be followed: Installation must comply with all Installation Instructions in this manual including the following items: •... -
Page 6: 2.2 Receiving
important to have the proper balance between the air being supplied to each room and the air returning to the cooling and heating equipment. Proper balance and sealing of the duct system improves the efficiency of the heating and air conditioning system and improves the indoor air quality of the home by reducing the amount of airborne pollutants that enter homes from spaces where the ductwork and/or equipment is located. -
Page 7: Model Number Explanation
2.4 MODEL NUMBER EXPL N TION FIGURE 2 MODEL NUMBER EXPLANATION L — FR 24 P J N 00 DESIGN VARIATION ELECTRIC HEAT 00 = NO HEAT 05 = 5 kW 08 = 8 kW 10 = 10 kW DISCONNECT CONFIGURATION N = NONE B = BREAKER VOLTAGE... -
Page 8: A Available Models
V IL BLE MODELS AVAILABLE MODELS AT J VOLTAGE RHAL-FR18PJ RHAL-FR36TJ RHAL-FR24PJ RHBL-FR24TJ RHAL-FR30PJ RHBL-FR36TJ RHAL-FR36PJ Notes: • Supply circuit protective devices may be fuses or “HACR” type circuit breakers. • Largest motor load is included in single circuit and multiple circuit 1. -
Page 9: Dimensions And Weights
2.5 DIMENSIONS & WEIGHTS FIGURE 3 NOTE: 24" CLEARANCE REQUIRED DIMENSIONS AND WEIGHTS IN FRONT OF UNIT FOR FILTER AND COIL MAINTENANCE. HIGH VOLTAGE CONNECTION, 1-3/8” AND 7/8” KNOCKOUTS FLANGES FOR FIELD INSTALLED DUCTWORK LIQUID LINE CONNECTION COPPER (SWEAT) VAPOR LINE CONNECTION COPPER (SWEAT) FRONT RETURN SHOWN. -
Page 10: Applications
3.0 PPLIC TIONS 3.1 VERTIC L UPFLOW • 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 unit on floor over opening. FIGURE 4 DIMENSIONS FOR DUCTWORK &... -
Page 11: Wall Mount
3. Lift the air handler above the wall mounting bracket and attached the unit to the installed bracket. Reference figure 5. 4.2 FR ME MOUNT The air handler 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). -
Page 12: Frame Mount
FIGURE 6 FRAME MOUNT 5.0 ELECTRIC L WIRING Field wiring must comply with the National Electric Code (C.E.C. in Canada) and any applicable local ordinance. W RNING Disconnect all power to unit before installing or servicing. More than one dis- connect switch may be required to de-energize the equipment. -
Page 13: 5.2 Control Wiring
vide over-current protection of the supply wiring and therefore may be sized larger than the branch circuit protection. • Supply circuit power wiring must be 75°C minimum copper conductors only. See Electrical Data in this section for ampacity, wire size and circuit protector requirement. Supply circuit protective devices may be either fuses or “HACR”... -
Page 14: Blower Motor Electrical Data
5.5 ELECTRIC L D T – BLOWER MOTOR ONLY – NO ELECTRIC HE T 5.5A Electrical Data – Blower Motor Only – No Electric Heat: RHAL MODEL/ MINIMUM MAXIMUM NOMINAL CIRCUIT VOLTAGE PHASE HERTZ SPEEDS CIRCUIT CIRCUIT COOLING AMPS AMPACITY PROTECTION TONS RHAL-FR18... -
Page 15: 5.6B Heater Kit Supplemental Information
5.6B HEATER KIT SUPPLEMENTAL INFORMATION MFG DATE/ RHEEM SALES COMPANY, INC. ASSEMBLED IN THE U.S.A. 12/2009 FRQ: AREUNI AUX STATS–UNES Contractor RHAL-FR24PJN00A F000900001 MODEL/MODELE# SERIAL/EN SERIES # VOLTS 208/240 PH/HZ 1 / 60 MOTOR HP/F.L.A. should “mark MOTEUR PSC/F.L.A. MARK HEATER KIT INSTALLED IN LEFT COLUMN/LA TROUSSE D’APPAREIL TTENTION: or check”... -
Page 16: Airflow Performance
6.0 IRFLOW PERFORM NCE Airflow performance data is based on cooling performance with a coil and filter in place. Select performance table for appropriate unit size, voltage and number of electric heaters to be used. Make sure external static applied to unit allows operation within the minimum and maximum limits shown in table below for both cooling and electric heat operation. -
Page 17: 240V Airflow Performance Data Rhal
6.2 240V AIRFLOW PERFORMANCE DATA – RHAL (PSC MOTOR) PSC Motor Manufacturer Nominal Motor CFM wet coil with filter & heaters Blower Size/ Cooling Recommended Speed Motor Motor HP # From Speed External Static Pressure-Inches W.C. Capacity Air-Flow Range of Speeds Tons Factory (Max/Min) CFM... -
Page 18: 208/240V Airflow Performance Data Rhbl
6.3 208/240V AIRFLOW PERFORMANCE DATA – RHBL (CONSTANT TORQUE MOTOR) Constant Torque Motor Manufacturer Nominal Motor Blower Size/ CFM wet coil with filter & heaters Recommended Cooling Speed Motor Motor HP # From Speed External Static Pressure-Inches W.C. Capacity Air-Flow Range of Speeds Factory Tons... -
Page 19: 7.0 Ductwork
7.0 DUCTWORK Field ductwork must comply with the National Fire Protection Association NFPA 90A, NFPA 90B and any applicable local ordinance. W RNING Do not, under any circumstances, connect return ductwork to any other heat producing device such as fireplace insert, stove, etc. Unauthorized use of such devices may result in fire, carbon monoxide poisoning, explo- sion, personal injury or property damage. -
Page 20: Air Filter
FIGURE 7 CONDENSATE DRAIN TRAP DO NOT OPERATE UNIT WITHOUT CONDENSATE DRAIN TRAP. UNIT DO NOT OVERTIGHTEN DRAIN FITTING UNIT MUST BE SLIGHTLY INCLINED TOWARD DRAIN CONNECTION. • All drain lines must be pitched downward away from the unit a minimum of 1/8” per foot of line to ensure proper drainage. -
Page 21: System Charging
F CTORY SEER R TING NOMIN L ORIFICE INDOOR UNIT REFRIGER NT PISTON OD UNIT TONS SIZE R410a 0.047 R410a 0.049 RHAL-FR18PJ 0.047 0.049 0.051 0.053 R410a 0.053 R410a 0.057 RHAL-FR24PJ 0.053 0.057 0.061 0.063 R410a 0.061... - Page 22 Heating Charge Chart for RHAL-FR24 Matched with 13PJL24 Indoor Dry Bulb Temperature (F) Heating Charge Chart for RHAL-FR30 Matched with 13PJL30 Indoor Dry Bulb Temperature (F)
- Page 23 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 RHBL-FR24 Matched with 14PJM24 Indoor Dry Bulb Temperature (F)
- Page 24 Heating Charge Chart for RHBL-FR24 Matched with RPNL-018 Indoor Dry Bulb Temperature (F) Heating Mode Discharge Pressure at Large Service Valve (psig) Heating Charge Chart for RHBL-FR24 Matched with RPNL-024 Indoor Dry Bulb Temperature (F) Heating Mode Discharge Pressure at Large Service Valve (psig)
-
Page 25: Sequence Of Operation
!"#$#%&'()*(+,(-%.(,/%&012-,(-%&012/ 13PJP18 13PJP24 13PJP30 13PJP36 OD DB RHBL-FR24T RHBL-FR24T RHBL-FR36T RHBL-FR36T &''3,(-%4')*%5%#2*++62*%7*86,2*9*(/+%5%:2'++%&012-*%&0*;<%=>?@%A?,86,)%#2*++62*%B%C1D'2%#2*++62*E 525 / 154 553 / 151 511 / 149 488 / 143 460 / 152 487 / 149 452 / 147 430 / 140 399 / 150 428 / 146 398 / 145 378 / 139 333 / 146... -
Page 26: Blower Time Delay
• If the room temperature should continue to fall, circuit R and W is completed by the second-stage heat room thermostat. Circuit R-W energizes a heat sequencer (HR The completed circuit will energize supplemental electric heat. Units with a second heater sequencer (HR ) can be connected with first sequencer (HR ) to W... -
Page 27: Calculating Airflow Cfm
12.3 C LCUL TING IRFLOW CFM • The formula for calculating airflow using temperature rise and heating BTUH for units with electric resistance heat is: Heating BTUH CFM = 1.08 x Temp. Rise 12.4 C LCUL TING CORRECTION F CTOR •... -
Page 28: Maintenance
14.1 IR FILTER Check the system filter every ninety days or as often as found to be necessary and if obstructed, clean or replace at once. FILTER M INTEN NCE Have your qualified installer, service agency or HVAC professional instruct you on how to access your filters for regular maintenance. -
Page 29: Blower Motor Removal Procedure
14.6 BLOWER MOTOR REMOV L PROCEDURE (RH L-FR30,RH L-FR36, 14.6 ND RHBL-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. - Page 30 7. Remove the 2 sheet metal screws that attached the blower to the bottom of the blower shelf. (1/4” Socket) Remove Sheet Metal Screws From Each Side of Blower 8. Remove the 3 sheet metal screws which attached the blower to the blower shelf located in the air handler control box.
-
Page 31: Small Cabinet Blower Assembly Removal Procedure
12. Remove the motor assembly from the air handler. 14.7 SM LL C BINET BLOWER SSEMBLY REMOV L PROCEDURE 14.7 (RH L-FR18, RH L-FR24, ND RHBL-FR24) 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. -
Page 32: Large Cabinet Assembly Removal Procedure
6. Remove the 3 sheet metal screws which attached the blower to the blower shelf located in the air handler control box. (3/8” Socket) Remove Screws 7. Lower the blower and remove from air handler. 14.8 L RGE C BINET BLOWER SSEMBLY REMOV L PROCEDURE 14.7 (RH L-FR30, RH L-FR36, ND RHBL-FR36) 1. - Page 33 5. Install a 21” x 24” piece of cardboard over the coil as illustrated below to help protect the coil from damage. Install Cardboard 6. Remove the top plate of the air handler by removing the 6 sheet metal screws attaching the plate to the top of the air handler.
- Page 34 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) 10.
-
Page 35: Replacement Parts
13. Remove the blower assembly from the air handler. 15.0 REPL CEMENT P RTS Any replacement part used to replace parts originally supplied on equipment must be the same as or an approved alternate to the original part supplied. The manufacturer will not be responsible for replacement parts not designed to physically fit or operate within the design parameters the original parts were selected for. - Page 36 FIGURE 9 THUMB SCREWS PROVIDED WITH KIT COIL DOOR REMOVE BOTTOM BLOCK OFF PLATE • Bottom Return Conversion Kit RXHK- is used to divert the return air from the facto- ry standard front return to a bottom return. Accessory Number Indoor Unit RHAL-FR18 RXHK-B01...
- Page 37 Accessory Number Indoor Unit RHAL-FR18 RXHK-C01 RHAL-FR24 RHBL-FR24 RHAL-FR30 RXHK-C02 RHAL-FR36 RHBL-FR36 • Decorative Wall Grill RXHK-D01/RXHK-D02 is used in applications where the air handler is installed in a closet or interior wall and allows adequate return air back to the unit.
- Page 40 CM 1215...
Need help?
Do you have a question about the RHAL-FR18PJ and is the answer not in the manual?
Questions and answers