Table of Contents
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INSTALLATION INSTRUCTIONS
PACKAGE GAS ELECTRIC
FEATURING EARTH-FRIENDLY R-410A REFRIGERANT
RRNL- 13 SEER (2-5 TONS)
RRPL- 14 SEER (2-5 TONS)
RRRL- UP TO 16 SEER (2-5 TONS)
Seasonal Energy Efficiency Ratio (SEER)
RRNL
RRPL
13.0
14.0
—
10.6
Uses least energy
Annual Fuel Utilization Efficiency -
THIS MODEL
80.0%
MID
78%
82%
88%
ISO 9001:2000
RRRL
16.0
©
16.05
AFUE
HIGH
97%
(14 SEER &
ABOVE)
U.L. recognized fuel gas and CO (carbon monoxide) detectors are recommended in all
applications, and their installation should be in accordance with the manufacturer's
recommendations and/or local laws, rules, regulations, or customs.
r e f r i g e r a n t
92-21916-30-04
SUPERSEDES 92-21916-30-03
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Table of Contents
Related Manuals for Rheem RRPL-B024JK06E
Summarization of Contents
INSTALLATION INSTRUCTIONS
Recognize Symbol for Safety Information
Symbol indicates important safety information. Failure to follow can result in personal injury or death.
WARNING: Proposition 65
Furnace contains fiberglass insulation and exhaust gases contain chemicals known to cause cancer or reproductive harm.
I. SAFETY INFORMATION
WARNING: Unauthorized Components
Manufacturer's warranty does not cover damage from unauthorized components, which may affect operation and endanger property.
WARNING: Indoor Installation Hazard
Units are not design certified for indoor installation. Doing so can cause poor performance, property damage, and carbon monoxide poisoning.
WARNING: Electrical Shock Hazard
Disconnect all power before maintenance. Failure to do so can cause electrical shock, resulting in personal injury or death.
WARNING: Outdoor Installation Requirement
Units are designed for outdoor installation only. Indoor installation can lead to poor performance, property damage, and flue product recirculation.
WARNING: Combustible Structure Installation
Unit must not be installed directly on combustible structures unless specified. Failure to adhere can cause fire or explosion.
WARNING: Return Ductwork Connection
Do not connect return ductwork to other heat producing devices to prevent fire, CO poisoning, explosion, or property damage.
WARNING: Combustion Air and Flue Products
WARNING: Never Allow Combustion Products in Return Air
Prevent combustion products from entering return air ductwork to avoid hazardous conditions and carbon monoxide poisoning.
WARNING: Avoid Open Flame for Leak Checks
Do not use an open flame to check for gas leaks; it can result in fire, explosion, or property damage.
WARNING: LP Gas Conversion
Conversion to LP gas requires a special kit. Failure to use the proper kit can cause fire, CO poisoning, explosion, or property damage.
WARNING: Electrical Power Disconnect
Turn off electrical power at the branch circuit disconnect before any wiring. Failure to do so can cause electrical shock.
WARNING: Manual Lighting Hazard
Do not attempt to manually light the furnace with a match or open flame. This can cause an explosion or fire.
WARNING: Instruction Adherence
Failure to follow instructions exactly may result in fire, explosion, property damage, personal injury, or loss of life.
WARNING: High Voltage Ignition Components
Keep hands and tools away from spark ignitor and ignition lead to prevent electrical shock.
WARNING: Overheating or Gas Failure
If overheating occurs or gas supply fails to shut off, shut off the manual gas valve before electrical supply to prevent fire or explosion.
WARNING: Overtemperature Control
WARNING: Do Not Jump Overtemperature Control
Do not reset overtemperature control without corrective action. Failure can result in carbon monoxide poisoning or death.
WARNING: Exhaust/Heat Exchanger Integrity
Holes in exhaust transition or heat exchanger can cause toxic fumes. Replace if cracked. Failure can cause carbon monoxide poisoning.
WARNING: Electrical Disconnect for Maintenance
Disconnect main electrical power before attempting maintenance to avoid electrical shock or severe personal injury or death.
WARNING: Wire Labeling
Label all wires before disconnection. Wiring errors can cause improper operation, fire, electrical shock, or property damage.
WARNING: Blower Speed Adjustment Power
Disconnect main electrical power before changing blower speeds to avoid electrical shock or severe personal injury or death.
WARNING: Power Disconnect for Servicing
Disconnect all power before servicing. Failure to do so can cause electrical shock, resulting in personal injury or death.
CAUTION: R-410A System Pressures
R-410A systems operate at higher pressures than R-22. Do not use R-22 equipment or components on R-410A equipment.
II. INTRODUCTION
Read Installation and Operating Instructions
Read this booklet and all packaged instructions before installation. Explain provisions to owner.
IV. SPECIFICATIONS
A. GENERAL
Details on heating inputs, cooling capacities, and unit configuration for rooftop installation.
B. MAJOR COMPONENTS
Lists key components of the combination gas heating/electric cooling unit.
C. R410A REFRIGERANT
Information on R-410A refrigerant, including pressure, combustibility, and servicing requirements.
D. COMFORT ALERT™ SYSTEM (2-STAGE MODELS ONLY)
1. Comfort Alert™
Diagnostics module for troubleshooting system failures, using LED indicators for abnormal conditions.
Active protection occurs under the following conditions:
1) Flash Code 2 - System Pressure Trip
Troubleshooting for system pressure trips, including possible causes and thermostat reactions.
2) Flash Code 3 - Short Cycling
Troubleshooting for short cycling conditions, including causes and thermostat reactions.
VI. INSTALLATION
A. GENERAL
General installation considerations, including pre-installation checks and location factors.
B. OUTSIDE INSTALLATION
Guidelines for installing the unit outdoors, including slab preparation and location selection.
C. ATTACHING EXHAUST AND COMBUSTION AIR INLET HOODS
Important: Do Not Operate Without Hoods
Emphasizes the necessity of properly installing exhaust and combustion air inlet hoods before operation.
Hood Attachment Procedure
Step-by-step instructions for attaching the exhaust and combustion air inlet hoods to the unit.
D. COVER PANEL INSTALLATION/CONVERSION PROCEDURE
1. HORIZONTAL TO DOWNFLOW
Procedure for converting the unit from horizontal to downflow configuration.
2. DOWNFLOW TO HORIZONTAL
Procedure for converting the unit from downflow to horizontal configuration.
E. CLEARANCES
Minimum Clearance Requirements
Specifies minimum clearances required around the unit for proper performance and serviceability.
F. ROOFTOP INSTALLATION
Roof Structure Adequacy
Installer must ensure roof structure can support the unit's weight.
Rigging and Roofcurb Details
Information regarding rigging procedures and roofcurb details for rooftop installation.
Unit Location for Servicing
Proper unit placement on the roof for inspection and servicing access.
Condensation Prevention
Block supply and return air openings if unit will not be serviced immediately to prevent condensation.
H. RETURN AIR
WARNING: Prevent Combustion Products in Return Air
Never allow combustion products into return air. Ensure ductwork is sealed to prevent hazardous conditions.
VII. GAS SUPPLY, CONDENSATE DRAIN AND PIPING
A. GAS CONNECTION
Instructions for connecting the gas supply to the unit, including code compliance and pipe sizing.
B. LP CONVERSION
WARNING: Proper LP Conversion Kit
Use the correct LP conversion kit. Failure to do so can cause fire, CO poisoning, explosion, or property damage.
Note: Order LP Conversion Kit
Order the correct LP conversion kit from the manufacturer or distributor. Conversion must be done by a qualified technician.
D. ADJUSTING OR CHECKING FURNACE INPUT
Gas Pressure Settings
Specifies required natural gas and LP gas pressures for manifold and line connections.
E. CONDENSATE DRAIN
IMPORTANT: Avoid External Traps
Do not install an external trap. Doing so can cause improper drainage and flooding within the unit.
VIII. WIRING
A. POWER SUPPLY
Instructions for connecting the power supply to the unit.
B. HOOK-UP
Wiring Diagram Reference
Refer to the hook-up diagram (Figure 24) for wiring the unit and external devices.
C. INTERNAL WIRING
Contactor Caution
Caution regarding single-pole contactors; only one leg of power supply is broken.
IX. FURNACE SECTION CONTROLS AND IGNITION SYSTEM
A. NORMAL FURNACE OPERATING SEQUENCE
Describes the sequence of operations for the direct spark ignition control system.
B. OPERATING INSTRUCTIONS
TO START THE FURNACE
Step-by-step guide for starting the furnace, including safety precautions.
D. MANUAL RESET OVERTEMPERATURE CONTROL
WARNING: Overtemperature Control Reset
Do not reset overtemperature control without corrective action. Use only identical replacement parts.
F. LIMIT CONTROL
WARNING: Limit Control Jumper
Do not jumper the limit control. Replace only with the identical replacement part.
X. SYSTEM OPERATING INFORMATION
A. ADVISE THE CUSTOMER
Recommendations for the customer to ensure optimal system operation and efficiency.
B. FURNACE SECTION MAINTENANCE
Recommended Annual Inspection
Annual inspection of flue passageways, exhaust system, and burners by a qualified professional.
Cleaning Procedures
Detailed steps for cleaning heat exchanger tubes, turbulators, and other furnace components.
WARNING: Toxic Fumes Hazard
Holes in exhaust transition/heat exchanger can cause toxic fumes. Replace if cracked to prevent CO poisoning.
WARNING: Wire Labeling for Servicing
Label all wires before disconnection during servicing to prevent errors leading to fire or shock.
C. LUBRICATION
Motor Lubrication Caution
Do not attempt to lubricate blower motors. Motors are prelubricated and do not require further attention.
D. COOLING SECTION MAINTENANCE
Recommended Cooling Section Inspection
Inspect evaporator coil, condenser coil, fan motor, and venturi area at the start of each cooling season.
Evaporator Coil Cleaning
Procedure for cleaning the evaporator coil, including vacuuming and washing methods.
Condenser Coil and Component Cleaning
Instructions for cleaning condenser coil, drain pan, condensate drain, blower motor, and venturi.
WARNING: Wire Labeling for Cooling Servicing
Label wires before disconnecting during cooling section servicing to prevent errors causing hazards.
WARNING: Electrical Disconnect for Cooling Maintenance
Disconnect main electrical power before cooling maintenance to prevent electrical shock or severe injury.
G. RRNL-/RRPL- BLOWER MOTOR SPEED ADJUSTMENTS
Note: Use Airflow Data Tables
Instructions for adjusting blower motor speeds should be used in conjunction with airflow data tables.
Units with PSC Blower Motors
Steps for adjusting blower motor speeds on units equipped with PSC motors.
Units with X-13 Motors
Instructions for adjusting blower motor speeds on units equipped with X-13 motors.
WARNING: Power Disconnect for Speed Adjustment
Disconnect main electrical power before changing blower speeds to prevent electrical shock or severe injury.
XI. UNITS WITH ECM BLOWER MOTORS (RRRL-B MODELS ONLY)
ECM Motor Operation and Features
Details on ECM motor operation, efficiency, soft start/stop, and bypass zoning limitations.
IMPORTANT: AC Power Plug
Caution about connecting the AC power plug backwards, which can destroy the motor.
IMPORTANT: ECM Motor Replacement
Emphasizes the need for exact motor numbers for replacement and proper mounting for cooling.
IMPORTANT: ECM Motor Control
Explains how the ECM motor is controlled by the thermostat and furnace control board, including delay functions.
A. ECM MOTOR INTERFACE CONTROL AND SETTINGS (RRRL UNITS ONLY)
Interface Board Features
Describes features of the ECM interface board, including fuse, LED, cooling stages, and delay profiles.
DIP Switch Functions
Explains the functions of DIP switches on the interface board for ECM motor operation settings.
IMPORTANT: Power Disconnect for DIP Switch Changes
Disconnect power before changing DIP switch positions; motor will not recognize changes until power is restored.
C. USING THE ON-BOARD LED TO DETERMINE BLOWER CFM
LED Indicator for Blower CFM
Explains how the on-board LED indicates blower output by flashing sequences corresponding to CFM.
D. UNIT OPERATION WITH TWO-STAGE COOLING
Two-Stage Cooling Airflows
Defines Y1 (First Stage Cooling) and Y2 (Second Stage Cooling) and their operation based on 24VAC signals.
Y1 - First Stage Cooling
Designation for the first stage of cooling operation.
Y2 - Second Stage Cooling
Designation for the second stage of cooling operation.
E. COOLING AIRFLOW ADJUSTMENTS
Adjusting Cooling Airflow
Cooling airflow can be adjusted +/- 10% using switches 3 & 4.
Continuous Fan Speed Note
Continuous fan speed is not affected by switches 3 & 4.
IMPORTANT: Dehumidification Overrides
On Demand Dehumidification overrides cooling airflow adjustments when high humidity is detected.
F. HEATING AIRFLOW ADJUSTMENTS
Adjusting Heating Airflow
Heating airflow can be adjusted +/- 10% using switches 5 & 6.
Continuous Fan Speed Note
Continuous fan speed is not affected by switches 5 & 6.
G. COOLING DELAY PROFILES
Delay Profile Options
Unit ships with default ON/OFF delay; alternate profiles can override for comfort.
IMPORTANT: Heating Mode Limitation
Blower ON delay profiles are not used in heating mode.
H. COOLING MODE DEHUMIDIFICATION
On Demand Dehumidification (ODD) Use
ODD feature allows automatic dehumidification controlled by a humidistat for increased comfort.
ODD Feature Humidity Input
Dehumidistats typically apply 24V signal when humidity is high; this board requires 24V when humidity is low.
I. ON DEMAND DEHUMIDIFICATION AIRFLOW ADJUSTMENT
Adjusting Airflow for Dehumidification
Use switches 9 & 10 to lower cooling airflow for dehumidification.
IMPORTANT: Avoid Selection A with Humidistat
Do not use Selection A with a dehumidifying thermostat or humidistat; it turns off ODD terminal input.
EXPLANATION OF ABOVE SELECTIONS:
Selection A: Maximum Latent Removal
Lowers cooling airflow to maximize latent removal, suitable for high latent load environments.
Selection C: On Demand Dehumidification
ODD Functionality with Humidistat
Allows ODD when using a humidistat; reduces airflow for latent removal when humidity is high.
IMPORTANT: Humidistat Connection
Humidistat or dehumidifying thermostat must be connected to ODD and R pigtails for this setting.
XII. GENERAL DATA - RRNL- MODELS
NOMINAL SIZES 2-5 TONS [7-15.8 kW]
Specifications table for RRNL models, covering cooling and heating performance.
GENERAL DATA - RRNL-B MODELS
NOMINAL SIZES 2-5 TONS [7-15.8 kW]
Specifications table for RRNL-B models, covering cooling and heating performance.
GENERAL DATA - RRPL- MODELS
NOMINAL SIZES 2-5 TONS [7-15.8 kW]
Specifications table for RRPL models, covering cooling and heating performance.
XIII. MISCELLANEOUS
Motor Specifications
Details on horsepower per compressor and amp draw per motor for electrical data.
ELECTRICAL DATA - RRNL SERIES
Motor Horsepower and Amp Draw
Provides horsepower per compressor and amp draw per motor for RRNL series units.
ELECTRICAL DATA - RRPL SERIES
Motor Horsepower and Amp Draw
Provides horsepower per compressor and amp draw per motor for RRPL series units.
ELECTRICAL DATA - RRRL SERIES
Motor Horsepower and Amp Draw
Provides horsepower per compressor and amp draw per motor for RRRL series units.
XIV. AIRFLOW PERFORMANCE DATA
INDOOR AIRFLOW PERFORMANCE FOR 2-5 TON PACKAGE GAS ELECTRIC UNITS–RRPL- DIRECT DRIVE
Detailed indoor airflow performance data for RRPL units, including pressure drop.
DOWN DISCHARGE PRESSURE DROP
Table showing pressure drop values for down discharge airflow.
MINIMUM RECOMMENDED FILTER SIZES
Specifies minimum filter sizes required for different unit capacities.
RRPL Indoor Airflow Performance - 208 Volts
Down Discharge Pressure Drop
Table detailing pressure drop for down discharge airflow at various CFM.
RRPL Indoor Airflow Performance - 230 Volts
Down Discharge Pressure Drop
Table detailing pressure drop for down discharge airflow at various CFM.
RRRL Indoor Airflow Performance - 208 & 230 Volts
Down Discharge Pressure Drop
Table detailing pressure drop for down discharge airflow at various CFM.
XV. WIRING DIAGRAMS
FIGURE 35 WIRING DIAGRAM
Diagram illustrating the electrical wiring schematic for the unit.
XVI. CHARGE CHARTS
(-)RNL/(-)RPL – 2 TON COOLING SYSTEM CHARGE CHART - REFRIGERANT 410A
Refrigerant charge chart for 2-ton RNL/RPL units based on suction pressure and outdoor ambient temperature.
XVII. TROUBLESHOOTING
Unit will not run
Troubleshooting steps for when the unit fails to start, covering power, thermostat, and contactor issues.
Condenser fan runs, compressor doesn’t
Troubleshooting for condenser fan operation with compressor failure, checking capacitors and connections.
Insufficient cooling
Troubleshooting steps for insufficient cooling, addressing unit sizing, airflow, refrigerant charge, and voltage.
Compressor short cycles
Troubleshooting for compressor short cycling, considering voltage, overload protectors, and refrigerant charge.
Registers sweat
Troubleshooting for sweating registers, potentially caused by low evaporator airflow or restrictions.
High head-low vapor pressures
Diagnosing high head pressure with low vapor pressures, checking liquid line restrictions and capillary tubes.
Low head-high vapor pressures
Troubleshooting low head pressure with high vapor pressures, checking compressor valves and capillary tubes.
Gurgle or pulsing noise at expansion device or liquid line
Diagnosing noise issues related to the expansion device or liquid line, often caused by air or non-condensibles.
Circulating air blower & inducer run continuously, compressor will not start
Troubleshooting when blower and inducer run continuously but compressor does not start.
XVIII. COMFORT ALERT DIAGNOSTIC CHART
SINGLE PHASE UNIT
Diagnostic codes for single-phase units indicated by LED status on the Comfort Alert module.
Green "POWER" LED
Indicates module has power; supply voltage is present at module terminals.
Red "TRIP" LED
Indicates thermostat demand signal is present, but compressor is not running.
Yellow "ALERT" Flash Code 1
Indicates long run time for the compressor, listing potential causes.
Yellow "ALERT" Flash Code 2
Indicates system pressure trip due to limits or compressor overload, listing potential causes.
Yellow "ALERT" Flash Code 3
Indicates short cycling of the compressor, listing potential causes.
Yellow "ALERT" Flash Code 4
Indicates a locked rotor condition for the compressor, listing potential causes.
Yellow "ALERT" Flash Code 5
Indicates an open circuit in the compressor, listing potential causes.
Yellow "ALERT" Flash Code 6
Indicates an open start circuit in the compressor, listing potential causes.
Yellow "ALERT" Flash Code 7
Indicates an open run circuit in the compressor, listing potential causes.
Yellow "ALERT" Flash Code 8
Indicates a welded contactor, listing potential causes.
Yellow "ALERT" Flash Code 9
Indicates low voltage to the control circuit, listing potential causes.
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