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Summary of Contents for Nibe ClimateMaster Tranquility 24 SW036
- Page 1 COMMERCIAL TranquiliTy® 24 (SW) WaTEr-TO-WaTEr SEriES INSTALLATION, OPERATION & MAINTENANCE MANUAL Part#: 97B0164N01 | Revised: April 18, 2025 Models: SW 036-120 60Hz – R-454B...
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Page 2: Table Of Contents
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Table of Contents 036-120 Model Nomenclature Electrical: Power Wiring Attentions, Cautions, and Warnings Electrical: Low-Voltage Wiring General Information Controls: CXM2 and DXM2.5 Refrigerant System Servicing Piping System Cleaning and Flushing Physical Data Unit and System Checkout Dimensional Data Unit Startup Procedure Installation... -
Page 3: Model Nomenclature
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Model Nomenclature 036-120 PRODUCT NAME STANDARD S = R-454B Refrigerant S = Standard MODEL TYPE RESERVED FOR FUTURE W = Water-to-Water Series 0 = None APPLICATION EXTENDED OPTIONS M = Medium Temperature 0 = Standard G = Hot Water Generator (HWG) SIZE LOAD SIDE OPTIONS... -
Page 4: Attentions, Cautions, And Warnings
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Attentions, Cautions, and Warnings 036-120 SAFETY WARNING All refrigerant discharged from this unit must be recovered WITHOUT Warnings, cautions, and notices appear EXCEPTION. Technicians must follow industry accepted guidelines and throughout this manual. Read these items carefully all local, state, and federal statutes for the recovery and disposal of refrigerants. - Page 5 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Attentions, Cautions, and Warnings 036-120 CAUTION DO NOT store or install units in corrosive environments or in locations subject to temperature or humidity extremes (e.g., attics, garages, rooftops, etc.). Corrosive conditions and high temperature or humidity can significantly reduce performance, reliability, and service life.
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Page 6: General Information
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: General Information 036-120 INSPECTION PRE-INSTALLATION Upon receipt of the equipment, carefully check the Installation, Operation, and Maintenance instructions shipment against the bill of lading. Make sure all units are provided with each unit. Horizontal equipment have been received. - Page 7 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: General Information 036-120 Work Procedure Checks to the Refrigeration Equipment Work shall be undertaken under a controlled procedure The following checks shall be applied to installations so as to minimise the risk of a flammable gas or vapor using FLAMMABLE REFRIGERANTS: being present while the work is being performed.
- Page 8 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: General Information 036-120 REPAIR TO INTRINSICALLY SAFE COMPONENTS Intrinsically safe components must be replaced. CABLING Check that cabling will not be subject to wear, corrosion, excessive pressure, vibration, sharp edges or any other adverse environmental effects. The check shall also take into account the effects of aging or continual vibration from sources such as compressors or fans.
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Page 9: Refrigerant System Servicing
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Refrigerant System Servicing 036-120 REFRIGERANT SYSTEM The outlet for the vacuum pump shall not be close to any potential ignition sources, and ventilation To maintain sealed circuit integrity, do not install shall be available. service gauges unless unit operation appears Charging Procedures abnormal. - Page 10 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Refrigerant System Servicing 036-120 Ensure that the detector is not a potential source of Mechanical handling equipment is available, Ignition and is suitable for the refrigerant used. Leak if required, for handling refrigerant cylinders detection equipment shall be set at a percentage All personal protective equipment is available of the lower flammability limit of the refrigerant and...
- Page 11 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Refrigerant System Servicing 036-120 RECOVERY When removing refrigerant from a system, either for In addition, a set of calibrated weighing scales servicing or decommissioning, it is recommended shall be available and in good working order. good practice that all refrigerants are removed safely.
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Page 12: Physical Data
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Physical Data 036-120 Tranquility (SW) Series Unit Size SW036 SW060 SW120 Compressor (qty) Number of refrigerant circuits Factory Charge R-454B - (oz.) (per circuit) Refrigerant Leak Detection System Water Connection Size Source/Load - FPT 1”... -
Page 13: Dimensional Data
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Actual area is 7.25” w x 8.875”h Models: Dimensional Data Guides indicate .125” bleed all around 036-120 Sizes 036 and 060 Notes: Front and side access is preferred for service access. All components may be serviced from the front access panel if side access is not available. -
Page 14: Installation
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Installation 036-120 LOCATION These units are not designed for outdoor installation. Locate the unit in an indoor area that allows easy Locate the unit in an INDOOR area that allows removal of access panels, and has enough space for enough space for service personnel to perform service personnel to perform maintenance or repair. -
Page 15: Load Plumbing Installation
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Installation 036-120 Optional pressure-rated hose assemblies designed WARNING specifically for use with ClimateMaster units are Polyolester Oil, commonly known as POE oil, is a synthetic oil used in many Swivel available. Similar hoses can be obtained from Brass refrigeration systems including those with R-454B refrigerant. -
Page 16: Water Loop Heat-Pump Applications
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Water Loop Heat-Pump Applications 036-120 COMMERCIAL WATER-LOOP APPLICATIONS Commercial systems typically include a number of The piping system should be flushed to remove units connected to a common piping system. Any dirt, piping chips, and other foreign material unit plumbing maintenance work can introduce prior to operation (see Piping System Cleaning air into the piping system;... -
Page 17: Ground Water Heat-Pump Applications
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Ground Water Heat-Pump Applications 036-120 Include shutoff valves for easy servicing. “Tee” Water Control Valve boiler drains or other valves into the line to allow for Note the placement of the water control valve. Always acid flushing of the heat exchanger. -
Page 18: Ground-Loop Heat-Pump Applications
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Ground-Loop Heat-Pump Applications 036-120 FLUSHING THE EARTH LOOP CAUTION The following instructions represent industry accepted installation Upon completion of system installation and testing, practices for Closed Loop Earth Coupled Heat Pump Systems. They are flush the system to remove all foreign objects and provided to assist the contractor in installing trouble free ground loops. -
Page 19: Flow Regulation
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Ground-Loop Heat-Pump Applications 036-120 FLOW REGULATION Note the placement of the water control valve. Install on source in of unit. Accomplish flow Always maintain water pressure in the heat regulation by two methods. exchanger by installing water control valves Most water control valves have a built-in flow at the source out of the unit to prevent mineral... -
Page 20: Water Quality Requirements
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Water Quality Requirements 036-120 Table 3: Water Quality Requirements Clean water is essential to the performance and life span of water-source heat pumps. Contaminants, chemicals, and minerals all have the potential to cause damage to the water heat exchanger if not treated properly. - Page 21 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Water Quality Requirements 036-120 α The Water Quality table provides water quality Hydrogen Sulfide has an odor of rotten eggs. requirements for coaxial and brazed-plate If one detects this smell, a test for H S must be heat exchangers.
- Page 22 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Actual area is 7.25” w x 8.875”h Models: Guides indicate .125” bleed all around Water Quality Requirements 036-120 Measuring Earth Ground Resistance for Ground-Water Applications � 0.02 Building Well Casing Ground Rod Ohm meter Measure the earth ground bond using an Ohm meter between the building’s ground rod and the steel well casing.
- Page 23 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Actual area is 7.25” w x 8.875”h Models: Guides indicate .125” bleed all around Water Quality Requirements 036-120 Measuring Electrolysis, Voltage, and Current for Ground-Water Applications 300mV Heat Pump Volt Meter Wire Electrode inserted into port for Voltage Measurement Pete’s Port Water in...
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Page 24: Hot Water Generator
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Hot Water Generator 036-120 The Hot Water Generator (HWG) or desuperheater Using a 125°F setpoint, the HWG can heat the lower option provides considerable operating-cost savings 40 gallons of water from 100°F to 125°F, providing up by utilizing heat energy from the compressor to 8,330 btu’s of heat. - Page 25 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Actual area is 3.5313” w x 8.875”h Hot Water Generator 036-120 Guides indicate .125” bleed all around Figure 5: Two-tank HWG Installation If the control detects a HWG fault, the CXM2/DXM2.5 status LED flashes a numeric fault code as follows: Cold Inlet from Shuto Domestic supply...
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Page 26: Water Tank Preparation
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Hot Water Generator 036-120 Hot Water Generator settings are determined by The heat pump, water piping, pump, and hot DIP switches 3-2, 3-3, and 3-4. water tank should be located where the ambient temperature does not fall below 50°F (10°C). -
Page 27: Water Tank Refill
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Hot Water Generator 036-120 WATER TANK REFILL INITIAL STARTUP Close valve #4. Ensure that the HWG valves Make sure all valves in the HWG water circuit (valves #2 and #3) are open. Open the cold are fully open. -
Page 28: Electrical Data
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Electrical Data 036-120 Standard Unit Compressor A No Pump Unit Voltage Voltage Total Rated Voltage Fuse Size Code Min/Max Unit Circuit HACR 208/230-1-60 G.J. 187/252 14.6 76.0 14.6 18.3 SW036 208/230-3-60 H.K. 187/252 70.0 10.8 460-3-60... -
Page 29: Power Connection
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Electrical: Power Wiring 036-120 GENERAL LINE VOLTAGE WIRING WARNING To avoid possible injury or death due to electrical shock, open the Ensure the available power is the same voltage power supply disconnect switch and secure it in an open position and phase shown on the unit serial plate. - Page 30 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Electrical: Power Wiring 036-120 NOTE: See the CXM2 AOM (part #97B0003N12), WARNING DXM2.5 AOM (part #97B0003N13), or MPC Controller Never jumper terminal “A” from CXM2 or DXM2.5 #1 to CXM2 or DXM2.5 AOM (part #97B0031N01) at climatemaster.com #2 on multi-compressor/control bound units.
- Page 31 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Electrical: Power Wiring 036-120 Figure 12: Field Wiring of 24V Motorized Valve for SW036-060 (DXM2.5) The HWG pump is external and eld provided for commercial units The HWG pump is an internal, factory-installed option for residential units Field Wiring (24V) w w w.
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Page 32: Electrical: Low-Voltage Wiring
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Electrical: Low-Voltage Wiring 036-120 THERMOSTAT CONNECTIONS The thermostat should be wired directly to the Therefore, LT1 is sensing refrigerant temperature, CXM2 or DXM2.5. See Electrical: Thermostat Wiring not water temperature, which is a better indication for specific terminal connections. - Page 33 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Electrical: Low-Voltage Wiring 036-120 REFRIGERANT DETECTION SYSTEM (RDS) FIELD-INSTALLED RDS SYSTEM The function, operation, and required servicing If the RDS was specified as a factory-installed option, measures for the Refrigerant Detection System (RDS) but forgotten and not ordered, use the following include the following: guidelines to install a refrigerant detection sensor:...
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Page 34: Accessory Connections
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Electrical: Low-Voltage Wiring 036-120 ACCESSORY CONNECTIONS WATER SOLENOID VALVES A terminal paralleling the compressor contactor coil An external solenoid valve(s) should be used on has been provided on the CXM2/DXM2.5. Terminal ground water installations to shut off flow to the “A”... - Page 35 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Actual area is 3.5313” w x 8.875”h Models: Electrical: Low-Voltage Wiring Actual area is 3.5313” w x 8.875”h 036-120 Guides indicate .125” bleed all around Guides indicate .125” bleed all around Figure 20: Accessory Motorized Figure 22: Two-Stage Piping Water Valve –...
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Page 36: Controls: Cxm2 And Dxm2.5
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Controls: CXM2 and DXM2.5 036-120 CXM2 Communicating Controls For detailed controller information, see the CXM2 Application, Operation, and Maintenance (AOM) manual (part # 97B0137N01). To confirm the controller type of your particular unit, refer to digit 9 on the unit model number and the unit nomenclature diagram found on page 3 of this manual. -
Page 37: Piping System Cleaning And Flushing
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Piping System Cleaning and Flushing 036-120 Cleaning and flushing the WLHP piping system is the CAUTION single most important step to ensure proper startup DO NOT use ‘stop leak’ or any similar chemical agent in this system. and continued efficient operation of the system. -
Page 38: Unit And System Checkout
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Unit and System Checkout 036-120 WARNING WARNING Verify ALL water controls are open and allow water flow prior to Polyolester Oil, commonly known as POE oil, is a synthetic oil used in many engaging the compressor. -
Page 39: Unit Startup Procedure
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Unit Startup Procedure 036-120 Table 6: Brazed-Plate Water Pressure Drop SW036-120 WARNING When the disconnect switch is closed, high voltage is present in some Pressure Drop PSI areas of the electrical panel. Exercise caution when working with Model 30°F 50°F... - Page 40 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Unit Startup Procedure 036-120 Table 7: Operating Limits Table 8: Commissioning Conditions Operating Limits Cooling Heating Commissioning Conditions Cooling Heating Air Limits Air Limits Min. ambient air, DB 10°F [-12°C] 10°F [-12°C] Min. ambient air, DB 10°F [-12°C] 10°F [-12°C] Max.
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Page 41: Operating Pressures
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Operating Pressures 036-120 Operating Pressure/Temperature tables include the following notes: Airflow is at nominal (rated) conditions Entering air is based upon 70°F (21°C) DB in heating and 80/67°F (27/19°C) in cooling Subcooling is based upon head pressure at compressor service port Cooling air and water values can vary greatly with changes in humidity level Table 9: SW Series Typical Unit Operating Pressures and Temperatures SW036-120 (SW120 Per Circuit) - Page 42 TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Operating Pressures 036-120 SW036-120 (SW120 Per Circuit) Heating Source Source Load EWT Suction Discharge Water Temp Water Flow Sub- Water Temp EWT F F @ 1.5-3.0 Pressure Pressure Super-heat Drop F GPM/ton cooling Rise F Load GPM/Ton PSIG...
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Page 43: Heat Exchanger Maintenance
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Preventative Maintenance 036-120 HEAT EXCHANGER MAINTENANCE COMPRESSORS (DIRECT GROUND WATER APPLICATIONS ONLY) Conduct annual amperage checks to ensure amp draw is no more than 10% greater than that If the installation is performed in an area with a indicated by serial plate data. -
Page 44: Warranty (U.s. And Canada)
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Warranty (U.S. and Canada) 036-120 PA G E : 4 4 P a r t # : 9 7 B 0 1 6 4 n 0 1 | r e v i s e d : a p r i l 1 8 , 2 0 2 5 w w w. -
Page 45: Warranty (International)
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Warranty (International) 036-120 w w w. c l i m a t e m a s t e r. c o m P a r t # : 9 7 B 0 1 6 4 n 0 1 | r e v i s e d : a p r i l 1 8 , 2 0 2 5 PA G E : 4 5... -
Page 46: Startup Log Sheet
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Startup Log Sheet Models: Models: Water-to Water Units Startup Log Sheet 036-120 7300 S.W. 44th Street, Oklahoma City, OK 73179 • Phone: 1-800-299-9747 Installer: Complete Unit and System Checkout and follow Unit Startup Procedures in the IOM. Use this form to record unit information, temperatures, and pressures during startup. -
Page 47: Refrigeration Troubleshooting Form
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Troubleshooting Form Models: Refrigeration Troubleshooting Form Packaged Water-to-Air 036-120 Customer: Loop Type: Startup Date: Actual area is 7.25” w x 4.5”h Model #: Serial #: Antifreeze Type: Guides indicate 0.125” bleed all around Complaint: Heating Position Refrigerant ow - Heating Refrigerant ow - Cooling... -
Page 48: Revision History
TranquiliTy® 24 (SW) VErSaTilE SEriES– iOM Models: Revision History 036-120 Date Section Description Model Nomenclature Updated options and removed unavailable offerings Minimum Installation Area Removed section Updated water connection sizes Physical Data Updated weights Updated water connection values 04/18/25 Dimensional Data Switched Load and Source sides per updated design Electrical Data Updated data, added data for units with High Head variable pump...
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