Related Manuals for Nibe ClimateMaster Tranquility 24 Series
Summary of Contents for Nibe ClimateMaster Tranquility 24 Series
- Page 1 TranquiliTy® 24 (SZ) VErSaTilE TWO-STaGE SEriES INSTALLATION, OPERATION & MAINTENANCE MANUAL Part#: 97B0075N35 | Created: January 18, 2024 Models: SZ 024-060 60Hz - R-454B Preliminary...
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Page 2: Table Of Contents
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Table of Contents 024-060 Model Nomenclature Electrical: DXM2.5 Example Wiring Diagram Attentions, Cautions, and Warnings Electrical: Low-Voltage Wiring General Information Electrical: Thermostat Wiring General Information Blower Performance Data Minimum Installation Area Controls: DXM2.5 Refrigerant System Servicing Operating and Commisioning Limits Physical Data... -
Page 3: Model Nomenclature
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Model Nomenclature 024-060 MODEL STANDARD S = R-454B Refrigerant S = Standard MODEL TYPE BLOWER MOTOR Z = Versatile Two-Stage Series V = Constant Volume (CV) EC SUPPLY & RETURN EXTENDED OPTIONS CONFIGURATIONS 0 = Standard G = HWG Horizontal Confi guration... -
Page 4: Attentions, Cautions, And Warnings
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Attentions, Cautions, and Warnings 024-060 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 (SZ) VErSaTilE SEriES– iOM Models: Attentions, Cautions, and Warnings 024-060 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 (SZ) VErSaTilE SEriES– iOM Models: General Information 024-060 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 (SZ) VErSaTilE SEriES– iOM Models: General Information 024-060 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 (SZ) VErSaTilE SEriES– iOM Models: General Information 024-060 REPAIR TO INTRINSICALLY SAFE COMPONENTS REQUIRED AREA FOR INSTALLATION Do not apply any permanent inductive or The minimum room area of the space (A ) or a capacitance loads to the circuit without ensuring minimum room area of conditioned space (T ) shall amin...
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Page 9: Minimum Installation Area
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Minimum Installation Area 024-060 MINIMUM INSTALLATION AREA Minimum area where a blower-equipped unit can be installed, and mechanical/natural ventilation is not required Minimum Installation Minimum area where unit is installed where unit Charge Area ft ) [A has incorporated airflow... - Page 10 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Minimum Installation Area 024-060 When the openings for connected rooms or natural ventilation are required, the following conditions shall be applied: The area of any openings above 11.8 inches (300 mm) from the floor shall not be considered in determining compliance with Anv At least 50% of the required opening area Anv shall be below 7.8 inches (200 mm) from the floor.
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Page 11: Refrigerant System Servicing
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Refrigerant System Servicing 024-060 REFRIGERANT SYSTEM To maintain sealed circuit integrity, do not install The outlet for the vacuum pump shall not service gauges unless unit operation appears be close to any potential ignition sources, abnormal. - Page 12 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Refrigerant System Servicing 024-060 Leak detection equipment shall be set at a percentage of the lower flammability limit of the refrigerant and shall be calibrated to the refrigerant employed, and the appropriate percentage of gas (25% maximum) is confirmed.
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Page 13: Physical Data
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Physical Data 024-060 Tranquility (SZ) Series Model Compressor (1 Each) Scroll Number of refrigerant circuits Factory Charge R-454B (oz) Refrigerant Leak Detection System Number of Sensors Water Connection Size FPT - All Other (inch) 3/4"... -
Page 14: Horizontal Installation
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Horizontal Installation 024-060 HORIZONTAL UNIT LOCATION The installation of water source heat pump units and all associated components, parts and accessories which Units are not designed for outdoor installation. Locate make up the installation shall be in accordance with the unit in an INDOOR area that allows enough the regulations of ALL authorities having jurisdiction space for service personnel to perform typical... -
Page 15: Horizontal Installation:service Access
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Actual area is 7.25” w x 8.875”h Horizontal Installation: Models: Guides indicate .125” bleed all around Service Access 024-060 Left Return Back Discharge Right Return Back Discharge Supply Supply Air Flow Air Flow Return Return Air Flow Air Flow... - Page 16 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Actual area is 3.5313” w x 8.875”h Horizontal Installation 024-060 Guides indicate .125” bleed all around Figure 2: Horizontal Unit Pitch 1/4” (6.4mm) pitch toward drain for drainage HORIZONTAL INSTALLATION Drain connection Figure 3: Typical Horizontal Unit Installation Figure 3: Typical Unit Installation 3/8"...
- Page 17 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Horizontal Installation 024-060 CONDENSATE PIPING POLYMER DRAIN PANS A condensate drain line must be installed and Condensate drain connection is a rubber coupling pitched away for the unit to allow for proper that connects to 3/4-inch schedule 40/80 PVC. Use hose drainage.
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Page 18: Duct System Installation
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Duct System Installation 024-060 DUCT SYSTEM INSTALLATION Proper duct sizing and design is critical to the For water source heat humps connected via an air duct performance of the unit. The duct system should system to one of more rooms and containing R-454B, be designed to allow adequate and even airflow the supply and return air shall be directly ducted to the... -
Page 19: Field Conversion Of Air Discharge
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Actual area is 3.5313” w x 8.875”h Field Conversion of Air Discharge 024-060 Guides indicate .125” bleed all around Figure 5: Left Return – Side-to-Back OVERVIEW Remove Screws Water Horizontal unit blower assembly can be field Connection End converted between side (straight) and back (end) discharge using the instructions below. -
Page 20: Vertical Installation
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Vertical Installation 024-060 VERTICAL UNIT LOCATION Figure 7: Vertical Unit Mounting Units are not designed for outdoor installation. Locate the unit in an INDOOR area that allows enough space for service personnel to perform typical maintenance or repairs without removing unit from the mechanical room/closet. - Page 21 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Vertical Installation 024-060 SOUND ATTENUATION FOR VERTICAL UNITS Always vent the condensate line when dirt or air can collect in the line or a long horizontal drain line Sound attenuation is achieved by enclosing the is required.
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Page 22: Vertical Installation: Service Access
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Actual area is 7.25” w x 8.875”h Vertical Installation: Models: Guides indicate .125” bleed all around Service Access 024-060 Vertical Units Left Return Supply Air Opening Front CCP and BSP Right Return Supply Air Opening Front CCP and BSP... -
Page 23: Piping Installation
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Piping Installation 024-060 INSTALLATION SUPPLY AND RETURN PIPING Optional pressure-rated hose assemblies designed specifically for use with ClimateMaster units are Follow these piping guidelines: available. Similar hoses can be obtained from alternate suppliers. Supply and return hoses are Install a drain valve at the base of each supply fitted with swivel-joint fittings at one end to prevent and return riser to facilitate system flushing. -
Page 24: Vflow® Heat Pump Applications Overview
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: vFlow® Heat Pump Applications Overview 024-060 vFlow® is a revolutionary new, intelligent, and efficient 4. High Head Variable Pump – Typical for Individual way to circulate water (or water plus antifreeze) Unit Pumping. using internal, variable speed water flow control. - Page 25 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: vFlow® Heat Pump Applications Overview 024-060 Typical Open Loop Application High System Pressure Drop Valve (Shown with Internal Modulating Motorized Valve) WPD Adders Model MOPD 0.41 0.94 SZ*024 0.92 2.12 To Thermostat 1.63 3.76 0.65 1.51...
- Page 26 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: vFlow® Heat Pump Applications Overview 024-060 Standard Head Variable Pump Performance No Check Valve With Check Valve Flow Rate (gpm) High Head Variable Pump Performance No Check Valve With Check Valve Flow (gpm) PA G E : 2 6 C r e a t e d : J a n u a r y 1 8 , 2 0 2 4 w w w.
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Page 27: Water-Loop Heat Pump Applications
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Water-Loop Heat Pump Applications 024-060 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 prior unit plumbing maintenance work can introduce to operation (see Piping System Cleaning and air into the piping system;... -
Page 28: Ground-Loop Heat Pump Applications
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Ground-Loop Heat Pump Applications 024-060 Test individual horizontal loop circuits before CAUTION backfilling. Test vertical U-bends and pond loop The following instructions represent industry accepted installation assemblies prior to installation. Pressures of at least practices for closed loop earth coupled heat pump systems. - Page 29 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Ground-Loop Heat Pump Applications 024-060 Figure 12: Ground-Loop Heat Pump Applications Typical Closed Loop with Central Pumping (unit with internal modulating water valve) To Thermostat Internal Motorized Modulating Valve Water Out Water In High and Low Voltage Shut Off...
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Page 30: Ground-Water Heat Pump Applications
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Ground-Water Heat Pump Applications 024-060 OPEN LOOP: GROUND WATER SYSTEMS Typical open loop piping is shown in accompanying In areas with extremely hard water, the owner illustration. Shut off valves should be included for should be informed that the heat exchanger may ease of servicing. - Page 31 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Ground-Water Heat Pump Applications 024-060 FLOW REGULATION: UNITS WITHOUT VFLOW Flow regulation can be accomplished by two methods. One method of flow regulation involves simply adjusting the ball valve or water control valve on the discharge line. Measure the pressure drop through the unit heat exchanger, and determine flow rate from Table 7.
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Page 32: Water Quality Requirements
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Water Quality Requirements 024-060 Table 4: 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 33 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Water Quality Requirements 024-060 α The ClimateMaster Water Quality Table provides Hydrogen Sulfide has an odor of rotten eggs. water quality requirements for coaxial and If one detects this smell, a test for H S must be brazed plate heat exchangers.
- Page 34 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Actual area is 7.25” w x 8.875”h Models: Water Quality Requirements Guides indicate .125” bleed all around 024-060 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 35 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Actual area is 7.25” w x 8.875”h Models: Water Quality Requirements Guides indicate .125” bleed all around 024-060 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 36: Electrical Data: (Cv) Ec Blower Motor Standard Unit
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Electrical Data: (CV) EC Blower Motor Models: Standard Unit 024-060 Compressor Voltage Min/Max Fan Motor Total Unit Min Circ Fuse/ Model Voltage Code Voltage HACR G.J. 208/230-1-60 197/252 10.3 62.0 14.5 17.1 SZ*024 H.K. 208/230-3-60 197/252 56.0... - Page 37 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Electrical Data: (CV) EC Blower Motor Models: with Internal Secondary Pump 024-060 Compressor Voltage Min/Max Pump Motor Fan Motor Total Unit Min Circ Fuse/ Model Voltage Code Voltage HACR G.J. 208/230-1-60 197/252 10.3 62.0 15.3 17.9 SZ*024...
- Page 38 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Electrical Data: (CV) Blower Motor Models: EC Standard Unit with Variable Pump 024-060 Units with Standard Head Variable Pump Compressor Voltage Pump Total Voltage Fuse/ Model Voltage Min/ Motor Motor Unit Circ Code HACR G.J.
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Page 39: Electrical: Power Wiring
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Electrical: Power Wiring 024-060 POWER CONNECTION WARNING Disconnect electrical power source to prevent injury or death from Line voltage connection is made by connecting electrical shock. the incoming line voltage wires to the “L” side of CAUTION the contactor as shown in the unit wiring diagram. -
Page 40: Electrical: Dxm2.5 Example Wiring Diagram
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Electrical: DXM2.5 Example Wiring Diagram 024-060 PA G E : 4 0 C r e a t e d : J a n u a r y 1 8 , 2 0 2 4 w w w. -
Page 41: Electrical: Low-Voltage Wiring
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Electrical: Low-Voltage Wiring 024-060 THERMOSTAT CONNECTIONS The thermostat should be wired directly to the DXM2.5 board. See Electrical: Thermostat Wiring for specific terminal connections. Review the appropriate AOM (Application, Operation and Maintenance) manual for units with DDC controls. LOW WATER TEMPERATURE CUTOUT SELECTION The DXM2.5 control allows the field selection of low The factory setting for LT1 is for systems using water... - Page 42 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Electrical: Low-Voltage Wiring 024-060 ACCESSORY CONNECTIONS Figure 18: Accessory Wiring P2 Terminal Strip A terminal paralleling the compressor contactor coil has been provided on the DXM2.5 control. Terminal “A” is designed to control accessory devices. NOTE: Typical Water This terminal should be used only with 24V signals...
- Page 43 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Electrical: Low Voltage Wiring for non-vFlow® Units Models: Using External Motorized Water Valve 024-060 Figure 19: Accessory Motorized Water Valve Figure 21:Two-Stage Piping Typical Wiring Example #1 Solenoid Flow Valve Regulator Unit Controller Stage 2 To Discharge Stage 1 Accessory Motorized...
- Page 44 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Electrical: Low Voltage Wiring 024-060 REFRIGERANT DETECTION SYSTEM (RDS) RDS INSTALLATION The function, operation, and required servicing For horizontal systems installed on ceiling plenum measures for the Refrigerant Detection System (RDS) for non-ducted applications, use the following include the following: guidelines to install a refrigerant detection sensor upstream of the return of the unit:...
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Page 45: Electrical: Thermostat Wiring
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Electrical: Thermostat Wiring 024-060 THERMOSTAT INSTALLATION The thermostat should be located on an interior Mark the position of the back plate mounting wall in a larger room, away from supply duct holes and drill holes with a 3/16-inch (5 mm) bit. drafts. -
Page 46: Blower Performance Data
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Blower Performance Data 024-060 (CV) EC MOTOR ADVANTAGE A major benefit of the (CV) EC motor over other blower motor types is its ability to adjust airflow remotely through the iGate 2 web portal/mobile app or directly at the unit with a communicating diagnostic service tool. Airflow levels can be adjusted in increments of 25 CFM from the unit’s minimum and maximum CFM range (see the (CV) EC motor configuration table for details). -
Page 47: Controls: Dxm2.5
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Controls: DXM2.5 024-060 DXM2.5 Controls For detailed controller information, see the DXM2.5 Application, Operation, and Maintenance (AOM) manual (part # 97B0142N01). 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 48: Operating And Commisioning Limits
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Operating and Commisioning Limits 024-060 OPERATING LIMITS COMMISSIONING CONDITIONS Environment – Units are designed for indoor Starting conditions vary depending upon model and installation only. Never install units in areas subject are based upon the following notes: to freezing or where humidity levels could cause NOTES: cabinet condensation (such as unconditioned... -
Page 49: Piping System Cleaning And Flushing
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Piping System Cleaning and Flushing 024-060 PIPING SYSTEM CLEANING AND FLUSHING 10. When the system is successfully cleaned, flushed, refilled and bled, check the main system panels, Cleaning and flushing the WLHP piping system is the safety cutouts and alarms. -
Page 50: Unit System Checkout
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Unit System Checkout 024-060 SYSTEM CHECKOUT WARNING Polyolester Oil, commonly known as POE oil, is a synthetic oil used in System water temperature: Check water † many refrigeration systems including those with R-454B refrigerant. temperature for proper range and also verify POE oil, if it ever comes in contact with PVC or CPVC piping, may cause failure of the PVC/CPVC. -
Page 51: Unit Startup Procedure
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Unit Startup Procedure 024-060 UNIT STARTUP PROCEDURE Heat of rejection (HR) can be calculated and compared to submittal data capacity pages. Turn the thermostat fan position to “ON”. The The formula for HR for systems with water is blower should start. - Page 52 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Unit Startup Procedure 024-060 is as follows: HE (kW) = TD x l/s x 4.18. d. Check air temperature rise across the air coil when compressor is operating. Air temperature rise should be between 20°F and 30°F [11°C and 17°C].
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Page 53: Unit Operating Conditions
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Unit Operating Conditions 024-060 Table 7: SZ Coax Water Pressure Drop WARNING When the disconnect switch is closed, high voltage is present in some Pressure Drop (psi) Model areas of the electrical panel. Exercise caution when working with 30°F* 50°F 70°F... - Page 54 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Unit Operating Conditions 024-060 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 8: SZ Series Typical Unit Operating Pressures and Temperatures SZ*024...
- Page 55 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Unit Operating Conditions 024-060 SZ*036 Full Load Cooling - without HWG active Full Load Heating - without HWG active Entering Water Discharge Suction Water Discharge Suction Water Superheat Subcooling Temp Superheat Subcooling Temp Water Flow Pressure...
- Page 56 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Unit Operating Conditions 024-060 SZ*048 Full Load Cooling - without HWG active Full Load Heating - without HWG active Entering Water Discharge Suction Water Discharge Suction Water Superheat Subcooling Temp Superheat Subcooling Temp Water Flow Pressure...
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Page 57: Preventative Maintenance
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Preventative Maintenance 024-060 WATER COIL MAINTENANCE COMPRESSOR (WATER LOOP APPLICATIONS) Conduct annual amperage checks to ensure that amp draw is no more than 10% greater than Generally water coil maintenance is not needed for indicated on the serial dataplate. -
Page 58: Troubleshooting
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Troubleshooting 024-060 GENERAL SENSOR INPUTS If operational difficulties are encountered, perform All sensor inputs are ‘paired wires’ connecting each the preliminary checks below before referring to the component to the board. Therefore, continuity on troubleshooting charts. - Page 59 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Troubleshooting 024-060 ADVANCED DIAGNOSTICS If a communicating thermostat or diagnostic tool (ACDU) is connected to the DXM2.5, additional diagnostic information and troubleshooting capabilities are available. The current status of all DXM2.5 inputs can be verified, including the current temperature readings of all temperature inputs.
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Page 60: Dxm2.5 Functional Troubleshooting Flow Chart
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: DXM2.5 Functional Troubleshooting Flow Chart 024-060 WARNING HAZARDOUS VOLTAGE! DISCONNECT ALL ELECTRIC POWER INCLUDING REMOTE DISCONNECTS BEFORE SERVICING. Failure to disconnect power before servicing can cause severe personal injury or death. DXM2.5 Functional Start Troubleshooting Flow Chart Did Unit... -
Page 61: Functional Troubleshooting
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Functional Troubleshooting 024-060 Fault Htg Clg Possible Cause Solution Check line voltage circuit breaker and disconnect. Check for line voltage between L1 and L2 on the contactor. Main power problems Green Status LED Off Check for 24VAC between R and C on CXM2/DXM2.5. - Page 62 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Functional Troubleshooting 024-060 Table continued from previous page Fault Htg Clg Possible Cause Solution Check power supply and 24VAC voltage before and during operation. Check power supply wire size. Under Voltage Check compressor starting. Need hard start kit? Over/Under Voltage Code 7 Check 24VAC and unit transformer.
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Page 63: Performance Troubleshooting
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Performance Troubleshooting 024-060 Symptom Htg Clg Possible Cause Solution Dirty filter Replace or clean. Check for dirty air filter and clean or replace. Reduced or no airflow in heating Check fan motor operation and airflow restrictions. Too high of external static? Check static vs. - Page 64 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Performance Troubleshooting 024-060 Table continued from previous page Symptom Htg Clg Possible Cause Solution Thermostat wiring Check G wiring at heat pump. Jumper G and R for fan operation. Jumper G and R for fan operation. Check for line voltage across blower Fan motor relay relay contacts.
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Page 65: Startup Log Sheet
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Startup Log Sheet Startup Log Sheet 024-060 Models: Small Packaged Units Ty, TZ 7300 S.W. 44th Street, Oklahoma City, OK 73179 • Phone: 405.745-6000 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 66: Functional Troubleshooting Form
Model Number: ________________________ Serial Number: ________________________ TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Date: ________________________ Packa ged Unit Refrigeration Schematic Customer: _______________________________ ______ Antifreeze: ________________________ Models: Functional Troubleshooting Form Model#: ________________________ Serial#: ________________ Loop type: _______________ 024-060 Complaint: ________________________________________________________________________ HEATING CYCLE ANALYS IS - °F SUCT ION COIL... -
Page 67: Warranty (U.s. And Canada)
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Warranty (U.S. and Canada) 024-060 w w w. c l i m a t e m a s t e r. c o m C r e a t e d : J a n u a r y 1 8 , 2 0 2 4 PA G E : 6 7... -
Page 68: Warranty (International)
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Warranty (International) 024-060 PA G E : 6 8 C r e a t e d : J a n u a r y 1 8 , 2 0 2 4 w w w. c l i m a t e m a s t e r. c o m... - Page 69 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Notes 024-060 w w w. c l i m a t e m a s t e r. c o m C r e a t e d : J a n u a r y 1 8 , 2 0 2 4 PA G E : 6 9...
- Page 70 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Notes 024-060 PA G E : 7 0 C r e a t e d : J a n u a r y 1 8 , 2 0 2 4 w w w. c l i m a t e m a s t e r. c o m...
- Page 71 TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Notes 024-060 w w w. c l i m a t e m a s t e r. c o m C r e a t e d : J a n u a r y 1 8 , 2 0 2 4 PA G E : 7 1...
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Page 72: Revision History
TranquiliTy® 24 (SZ) VErSaTilE SEriES– iOM Models: Revision History 024-060 Date Item Action 01/18/24 Created 7300 SW 44th St. | Oklahoma City, OK 73179 *97B0075N35* Phone: 405.745.6000 www.climatemaster.com ClimateMaster works continually to improve its products. As a result, the design and specifications of each product at the time of order may be changed without notice and may not be as described herein.