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Summary of Contents for Johnson Controls RL Series
- Page 1 WATER SOURCE HEAT PUMPS Supercedes: 146.00-NOM3 (310) 146.00-NOM3 (115) INSTALLATION, OPERATION, MAINTENANCE Form RL SERIES VERTICAL AND HORIZONTAL CABINETS 7–25 TONS LD20072 Issue Date: January 2015...
- Page 2 All wiring must be in accor- dance with Johnson Controls’ published specifications and must be performed only by a qualified electrician. Johnson Controls will NOT be responsible for damage/problems resulting from improper connections to the controls or application of improper control signals.
- Page 3 RL SERIES INSTALLATION MANUAL CHANGEABILITY OF THIS DOCUMENT In complying with Johnson Controls’ policy for con- regarding the applicability of these documents, rig- tinuous product improvement, the information con- ging, lifting, and operating/service personnel should tained in this document is subject to change without verify whether the equipment has been modified and notice.
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Page 4: Table Of Contents
RL SERIES INSTALLATION MANUAL Table of Contents Model Nomenclature ............. -
Page 5: Model Nomenclature
RL SERIES INSTALLATION MANUAL Model Nomenclature 19-20 Model Type Vintage RLL – RL Low Temp * - Factory Use Only RLX – RL Extended Range Non-Standard Options Cabinet Configuration SS – Standard V – Vertical QP – 2" MERV 13 Filter SF –... -
Page 6: General Installation Information
RL SERIES INSTALLATION MANUAL General Installation Information Safety Considerations WARNING: Before performing service or maintenance operations on a system, turn off main power switches to the indoor unit. If applicable, turn off the accessory heater power switch. Electrical shock could cause personal injury. -
Page 7: Vertical Dimensions
RL SERIES INSTALLATION MANUAL Vertical Dimensions 7-10 Tons TOP DISCHARGE SIDE DISCHARGE Legend AP = Alternate Service Panel BP = Blower Service Panel CP = Control Access Panel CMP = Compressor Service Panel CONTROL BOX AND WATER LEFT RETURN CONTROL BOX AND WATER... - Page 8 RL SERIES INSTALLATION MANUAL Vertical Dimensions cont. 13-25 Tons TOP DISCHARGE SIDE DISCHARGE CONTROL BOX AND WATER RIGHT RETURN CONTROL BOX AND WATER LEFT RETURN 2’ PRIMARY SERVICE ACCESS CONTROL BOX CONTROL BOX RIGHT RETURN LEFT RETURN 2’ SECONDARY SERVICE ACCESS...
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Page 9: Horizontal Dimensions
RL SERIES INSTALLATION MANUAL Horizontal Dimensions 7-10 Tons RIGHT RETURN LEFT RETURN Legend AP = Alternate Service Panel BP = Blower Service Panel CP = Control Access Panel CMP = Compressor Service Panel 2’ PRIMARY 2’ SECONDARY 2’ SECONDARY SERVICE ACCESS... -
Page 10: Installing Horizontal Units
RL SERIES INSTALLATION MANUAL Installing Horizontal Units Mounting Horizontal Units Units are available with side or end discharge in left-hand or right-hand return air configurations. Horizontal units are normally suspended from a ceiling by four 1/2 in. diameter threaded rods. The rods are usually attached to the unit corners by the bottom panel mounting channel and the mounting grommets furnished with each unit. - Page 11 RL SERIES INSTALLATION MANUAL Installing Horizontal Units cont. Horizontal Unit Corner Weight Distribution Front Front Back Back Model Return / Discharge Left Right Right Left Left / Side or End 080 - 120 Right / Side or End Approximate Controls Duct System An air outlet collar is provided on vertical top flow units and all horizontal units to facilitate a duct connection.
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Page 12: Installation Vertical Units
RL SERIES INSTALLATION MANUAL Installing Vertical Units Mounting Vertical Units Units are available with top/side discharge, left-hand or right-hand return air configurations. Vertical units are assembled on rails which facilitate moving and placement of the units. It is not necessary to anchor the unit to the floor. -
Page 13: Water Quality
RL SERIES INSTALLATION MANUAL Water Quality Water Quality Guidelines In ground water situations where scaling could be heavy or where biological growth such as iron bacteria will be present, a closed loop system is recommended. The heat exchanger coils in ground water systems may, over a period of time, lose heat exchange capabilities due to a buildup of mineral deposits inside. -
Page 14: System Cleaning And Flushing
RL SERIES INSTALLATION MANUAL System Cleaning and Flushing Cleaning and Flushing Figure 7: Flushing with Water Shutoff Valve Equipped Systems Prior to start up of any heat pump, the water circulating system must be cleaned and flushed of all dirt and debris. -
Page 15: Electrical Connections
RL SERIES INSTALLATION MANUAL Electrical Connections General Be sure the available power is the same voltage and phase as that shown on the unit serial plate. Line and low voltage wiring must be done in accordance with local codes or the National Electric Code. -
Page 16: Electrical Data
RL SERIES INSTALLATION MANUAL Electrical Data Blower Blower Total Rated Voltage Compressor* Model Motor Unit Circ Fuse/ Voltage Min/Max FLA*** HACR Horizontal 208-230/60/3 187/253 16.3 10.4 88.0 25.7 28.3 35.0 460/60/3 414/506 38.0 13.9 15.4 20.0 575/60/3 518/632 36.5 10.4 10.0... -
Page 17: Blower Performance Data
RL SERIES INSTALLATION MANUAL RLLH080 - Blower Performance Data Belt Drive Airflow in CFM with dry coil and clean air filter. External Static Pressure (in. w.g.) Rated CFM MTR/SHEAVE 0.59 0.65 0.71 0.75 0.78 0.81 0.86 0.90 0.37 0.40 0.43 0.47... - Page 18 RL SERIES INSTALLATION MANUAL RLLH095 - Blower Performance Data Belt Drive Airflow in CFM with dry coil and clean air filter. External Static Pressure (in. w.g.) Rated CFM MTR/SHEAVE 0.97 1.08 1.18 1.37 1.56 0.44 0.47 0.52 0.57 0.66 0.78 0.79...
- Page 19 RL SERIES INSTALLATION MANUAL RLLH120 - Blower Performance Data Belt Drive Airflow in CFM with dry coil and clean air filter. External Static Pressure (in. w.g.) Rated CFM MTR/SHEAVE 0.80 0.88 0.96 1.07 1.09 1.11 1.13 1.28 1.36 1.48 1.67 1.86...
- Page 20 RL SERIES INSTALLATION MANUAL RLLV080 - Blower Performance Data Belt Drive Airflow in CFM with dry coil and clean air filter. External Static Pressure (in. w.g.) Rated CFM MTR/SHEAVE 0.71 0.73 0.84 0.95 1.05 0.29 0.33 0.38 0.37 0.45 0.47 0.50...
- Page 21 RL SERIES INSTALLATION MANUAL RLLV095 - Blower Performance Data Belt Drive Airflow in CFM with dry coil and clean air filter. External Static Pressure (in. w.g.) Rated CFM MTR/SHEAVE 0.94 1.05 0.61 0.64 0.66 0.68 0.76 0.81 0.87 0.89 2600...
- Page 22 RL SERIES INSTALLATION MANUAL RLLV120 - Blower Performance Data Belt Drive Airflow in CFM with dry coil and clean air filter. External Static Pressure (in. w.g.) Rated CFM MTR/SHEAVE 0.50 0.51 0.59 0.68 0.68 0.79 0.92 0.92 0.92 1.08 1.16 1.30...
- Page 23 RL SERIES INSTALLATION MANUAL RLLV160 - Blower Performance Data Belt Drive Airflow in CFM with dry coil and clean air filter. External Static Pressure (in. w.g.) Rated CFM MTR/SHEAVE 0.71 0.73 0.84 0.95 1.05 0.29 0.33 0.38 0.37 0.45 0.47 0.50...
- Page 24 RL SERIES INSTALLATION MANUAL RLLV180 - Blower Performance Data Belt Drive Airflow in CFM with dry coil and clean air filter. External Static Pressure (in. w.g.) Rated CFM MTR/SHEAVE 0.94 1.05 0.61 0.64 0.66 0.68 0.76 0.81 0.87 0.89 5200...
- Page 25 RL SERIES INSTALLATION MANUAL RLLV240 - Blower Performance Data Belt Drive Airflow in CFM with dry coil and clean air filter. External Static Pressure (in. w.g.) Rated CFM MTR/SHEAVE 0.50 0.51 0.59 0.68 0.68 0.79 0.92 0.92 0.92 1.08 1.16 1.30...
- Page 26 RL SERIES INSTALLATION MANUAL RLLV300 - Blower Performance Data Belt Drive Airflow in CFM with dry coil and clean air filter. External Static Pressure (in. w.g.) Rated CFM MTR/SHEAVE 1.46 1.49 1.77 1.94 2.11 2.29 2.32 2.39 2.65 2.72 2.80 2.36...
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Page 27: Wiring Schematics
RL SERIES INSTALLATION MANUAL Wiring Schematic - FX10 Control 208-230/60/3 Belt Drive Compressor 1 Compressor 2 Blower Green Motor Gray (80) Yellow (78) Brown (79) Unit Power Supply Black Black Yellow Yellow 480/60/3 or 575 /60/3 Transformer Switch Red (69) - Page 28 RL SERIES INSTALLATION MANUAL Wiring Schematic - FX10 Control cont. 460/60/3 and 575/60/3 Compressor 1 Compressor 2 Belt Drive Blower Green Motor Unit Power Supply Gray (80) Black Black Yellow Yellow 480/60/3 or 575 /60/3 Yellow (78) Brown (79) Red (69)
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Page 29: Optional Fx10 Microprocessor Control
RL SERIES INSTALLATION MANUAL Optional FX10 Microprocessor Control FX10 Control Overview An optional Medium User Interface (MUI) for control setup and advanced diagnostics is available with some mounting kits, MUIK1 The FX10 is a microprocessor based control that not only monitors - Panel mount version and the MUIK2-Wall mount version. - Page 30 RL SERIES INSTALLATION MANUAL Optional FX10 Microprocessor Control cont. Freeze Detection (AI-5) Power Fail Restart The freeze detection sensor will monitor the liquid refrigerant When the controller is first powered up, the outputs will be temperature entering the water coil in the heating mode. If the disabled for a random start delay.
- Page 31 RL SERIES INSTALLATION MANUAL Optional FX10 Microprocessor Control cont. Network Enabled Output/ compressor output can be enabled. During low capacity Electric Heat Output (BO-5) compressor operation the ECM2.3 blower will operate in medium speed and will operate in high speed when the This output can be enabled by the BAS network for use as needed compressor is operating at full capacity.
- Page 32 LED 4 - On shows Reversing Valve in cool LED 1 - Flashing shows Compressor 1 running LED 8 - Flashing shows unit in ‘Test’ Mode LED 2 - Flashing shows Full Capacity Compressor running MUI Menu Navigation for Single Compressor - RL Series Water-to-Air Welcome Info Status...
- Page 33 RL SERIES INSTALLATION MANUAL Optional FX10 Microprocessor Control cont. MUI Menu Navigation for Single Compressor - RL Series Water-to-Air Maintenance MinClgSetpt 60.0 ºF MaxHtgSetpt 89.9 ºF W Coil LoLim1 30.0 ºF Press right arrow key W Coil LoLim2 15.0 ºF...
- Page 34 RL SERIES INSTALLATION MANUAL Optional FX10 Microprocessor Control - N2 N2 Open Point Description Point Type Point Address Long Name nciSetpoints.Occupied_Co Occupied Cooling Setpoint Input (Read/Write) nciSetpoints.Standby_Coo Standby Cooling Setpoint Input (Read/Write) nciSetpoints.Unoccupied_ Unoccupied Cooling Setpoint Input (Read/Write) nciSetpoints.Occupied_He Occupied Heating Setpoint Input (Read/Write) nciSetpoints.Standby_Hea...
- Page 35 RL SERIES INSTALLATION MANUAL Optional FX10 Microprocessor Control - LonWorks LonWorks Point Description SNVT SCPT SCPT UCPT LonWorks Name SNVT Type Index Reference Index Index Occupied Cooling Setpoint Input (Read/Write) Standby Cooling Setpoint Input (Read/Write) Unoccupied Cooling Setpoint Input (Read/Write)
- Page 36 RL SERIES INSTALLATION MANUAL Optional FX10 Microprocessor Control - BACnet BACnet Object Identifier Property Point Description Full Reference Object Type Type Enumeration Instance Name Enumeration Analog Value Present_Value WFI##########.Occupied Cool.Present_Value Occupied Cooling Setpoint Input (Read/Write) Standby Cooling Setpoint Input (Read/Write)
- Page 37 RL SERIES INSTALLATION MANUAL Optional FX10 Microprocessor Control - BACnet Variables 2:3 Occupied Heat The network variables will be listed by point type:instance conven- tion. 2:1 would mean point type 2, point instance 1. All volatile [Read/Write, Occupied heating setpoint,...
- Page 38 RL SERIES INSTALLATION MANUAL Optional FX10 Microprocessor Control - BACnet Variables Multistate Input (Type 13) 13:1 Effective Occupancy [Read, shows the occupancy status of the heat pump. 1=Occupied, 2=Unoccupied, 3=Bypass (temporary occupancy)] 13:2 Mode [Read, shows heat pump as normal or emergency...
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Page 39: Blower Drive Sheaves
RL SERIES INSTALLATION MANUAL Blower Drive Sheaves Blower Sheave Adjustment Follow the procedures listed below if airflow of heat pump is to be changed from factory setting. (Refer to Figure 10.) 1. Loosen the blower motor fastening nuts from the motor mount. -
Page 40: Unit Startup
RL SERIES INSTALLATION MANUAL Unit Startup Before powering the unit, check the following: • High voltage is correct and matches nameplate • Fuses, breakers and wire size are correct • Low voltage wiring is complete • Piping has been completed and water system cleaned and flushed •... -
Page 41: Operating Parameters
RL SERIES INSTALLATION MANUAL Operating Parameters Cooling Entering Water Flow Suction Discharge Water Temp 080-300 080-300 Water Temp Air Temp GPM/Ton Pressure Pressure °F Superheat Subcooling Rise °F Drop °F DB PSIG PSIG 110-130 160-190 10-17 13-17 17-22 20-30 110-130... -
Page 42: Startup/Troubleshooting Form
RL SERIES INSTALLATION MANUAL DEALER: PHONE #: DATE: PROBLEM: MODEL #: Startup/Troubleshooting Form SERIAL #: COOLING CYCLE ANALYSIS SAT °F °F Unit Amp Draw: Loop: Open Closed Line Voltage: °F °F COIL SUCTION COMPRESSOR REVERSING COAX COAX EXPANSION VALVE LOAD... -
Page 43: Preventive Maintenance
RL SERIES INSTALLATION MANUAL Preventive Maintenance Water Coil Maintenance 1. Keep all air out of the water. An open loop system should be checked to ensure that the well head is not allowing air to infiltrate the water line. Lines should always be airtight. - Page 44 P.O. Box 1592, York, Pennsylvania USA 17405-1592 800-861-1001 Subject to change without notice. Printed in USA www.johnsoncontrols.com Copyright © by Johnson Controls 2015 ALL RIGHTS RESERVED Form 146.00-NOM3 (115) Issue Date: January 2015 Supercedes: 146.00-NOM3 (310)
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