Indicates a situation that could result in NOTICE causing permanent damage. equipment or property damage. All TruClimate 900 30 Ton product is Safety listed under UL60335-2-40 thru ETL UL-60335-1 / CAN/CSA- C22.2 No. 60335-1 / UL-60335-2-40 / CAN/CSA- C22.2 No. 60335-2-40...
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL General Installation Information No person carrying out work in relation to a REFRIGERATING NOTICE: Do not store or install units in corrosive environments or in locations subject to temperature or humidity extremes. SYSTEM which involves exposing any pipe work shall use any...
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL General Installation Information WARNING WARNING Ventilated Area: ensure that the area is in the open or that it Take sufficient precautions in case of refrigerant leakage. If refrigerant is adequately ventilated before breaking into the system of gas leaks, ventilate the area immediately.
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TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Dimensional Data: Service Clearance (All Variants) 77D005 04 36.00" Recommended 24.00" 914mm Minimum 610mm Both Sides Both Sides 0.0" CLEARANCE UNIT TO UNIT 24.00" 610mm Minumum 34.35" Minimum 872mm 36.00" 914mm Recommended CONSULT LOCAL CODE FOR CONTROL BOX CLEARANCES 72.00"...
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TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Dimensional Data: Banked Units Service Clearance (All Variants) 95.11 0.51 42.625 36.00 DISTANCE BETWEEN UNITS HEADER LENGTH DOES NOT INCLUDE AT BASE RAIL BOLTS/GFCI 213.12 ZERO CLEARANCE BETWEEN UNIT HEADERS. END OF HEADER UNIT 1 TO END OF HEADER UNIT 5 253.94...
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TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Dimensional Data: Concrete Pad Requirements (All Variants) 21.72 24.39 26.56 21.53 94.00 2.00 2.00 0.19 DETAIL A Note: Embed 2” x 2” x 0.19” angle iron in concrete house keeping pad to ensure pipe alignment is consistent.
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TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Dimensional Data: Center of Gravity (4-Pipe) 533 LBS 665 LBS 22.37" 568mm CENTER OF GRAVITY 55.85" 1419mm 395 LBS 680 LBS CENTER OF GRAVITY 37.32" 948mm CENTER OF GRAVITY...
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TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Scuttle Clearance: Multiple Units Victualic Connections Interior victaulic connections can be accessed through the center lower side panel (shown below). Once this panel is removed, a 21” opening allows a technician to enter a bank of units and establish secure victaulic connections throughout multiple units.
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL HydroLink2 Aurora Controls - Overview Overview HydroLink2 Control The HydroLink2 Control is a Niagara control that functions as The HydroLink2 Aurora Control is the ultimate chiller control a master control communicating to ABC “A” for compressor system that accurately controls fluid temperatures while A and to ABC “B”...
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TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Controls - Overview Before applying power ensure the DIP switch settings on the Aurora controls are correct. See table below for DIP switch factory settings. ABC-A ABC-B Factory Setting Factory Setting Freeze Protection-...
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TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Controls - Overview The Hydrolink and Aurora controls validates specific criteria is met before allowing the unit to start. This prevents the unit from running when required system conditions are not met. When the unit is in stand-by mode the following conditions are true.
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TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Controls - Overview • After the 3-minute start-up and conditional is met, depending on load requirements, the compressor will ramp up or down to desired speed. • The fans will ramp to desired speed based on ambient temperature •...
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Accessory: Single Point Power Single Point Power Panel Nomenclature SPLC3030L410* Model SP – Single Point Disconnect Panel Vintage Fault Current Protection * – Factory Use Only L – Standard Fault Current - 5kA SCCR Future Use 0 –...
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Water Quality 1.0. Minimum Fluid Volume 1.4. Flow Sensing Devices Water-to-water heat pumps require a minimum amount A fl ow switch or equivalent must be installed on the of source and load side fl uid volume to ensure accurate evaporator for each unit to be installed.
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Water Quality cont. 1.6. Insulation 1.8. Heat Exchangers The Condenser and Evaporator heat exchangers utilize Chillers are built with factory installed insulation on any a single wall design. Do not install use for potable water surface that may be subject to temperatures below the applications without intermediate heat exchanger.
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Antifreeze Corrections Catalog performance can be corrected for antifreeze use. Please use the following table and note the example given. Heating Cooling Antifreeze % Pressure Antifreeze Type by wt Drop Load Source Load Source EWT - °F [°C]...
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Operating Limits The operational limits of the chiller are presented based on leaving water temperature for the condenser and evaporator (See Leaving Water Temperature Operational Maps). Note that certain portions of the map will require operation under head pressure control and maximum evaporator pressure control.
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Recommended Pressure Drop and Water Velocity Optional unit level 20 mesh strainer is included with unit. Optional unit level strainer is available on brazed plate heat exchanger water inlet. Standard strainer is 20 mesh. If optional strainers are not installed, use Evaporator/Condenser Pressure Drop tables only.
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Unit Startup Verify the following: • High voltage is correct and matches nameplate • Fuses, breakers and wire size are correct • Low voltage wiring and controls are complete • Piping is complete and the water system has been cleaned and flushed and no water leaks are present •...
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TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Chiller Plant with Single Point Disconnect Panel cont. Unit Ground HSC Panel Fuse NEMA Enclosure Main Power Distribution Block Panel Ground...
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Chiller Plant Controls Wiring Wiring Procedures • The differential pressure sensor pressure range need to match the DIP switch settings in the sensor controller. The adjustment can be made through the Supervisory Control Box HMI.
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Unit Level Strainer Cleaning 1. Turn off relevant pumps 2. Close heat exchanger inlet and outlet valves to isolate heat exchanges. 3. Remove end cap to access screen. 4. Remove screen taking note of orientation when removed.
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Brazed Plate Heat Exchanger Cleaning Procedure Signs of Fouling such as Scaling Temperature diff erence less than specifi ed indicates signs of scaling because of the decrease in heat transfer across the plates. Increase in pressure drop indicates scaling since it restricts the channel passage, increasing velocity.
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Brazed Plate Heat Exchanger Cleaning Procedure Removing Scale Sequence of operations Using diff erential pressure (dP) sensors will enable you to monitor the cleaning process. Turn off relevant pumps Close heat exchanger inlet and outlet valves to isolate heat exchanges.
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Preventative Maintenance Close Manual Isolation valves and verify that the Unit Heat Exchanger Maintenance Actuated valves are also in the close position. If Keep all air out of the water or antifreeze solution.
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Air Coil Cleaning Procedure Air Coil Maintenance and Cleaning NOTICE Periodic coil cleaning maintains the efficiency of the unit. Rinse the coil with water at low pressure to prevent damage, it is recommended to clean once every one to two months.
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Refrigerant Removal and Evacuation When breaking into the refrigerant circuit to make repairs – or The refrigerant charge shall be recovered into the correct re- for any other purpose conventional procedures shall be used.
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Refrigerant Recovery When removing refrigerant from a system, either for servicing or decommissioning, it is recommended good practice that all refrigerants are removed safely. When transferring refrigerant into cylinders, ensure that only appropriate refrigerant recovery cylinders are employed.
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Decommissioning Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and all its detail. It is recommended good practice that all refriger- ants are recovered safely. Prior to the task being carried out, an oil and refrigerant sample shall be taken in case analysis is required prior to re-use of recovered refrigerant.
TRUCLIMATE 900 CHILLER OPERATION & MAINTENANCE MANUAL Troubleshooting Guideline for Refrigerant Circuit The chart below will assist in determining if measurements taken at the unit are within factory specifications and aid in accurate diagnosis (SYMPTOM) and repair. The chart is general in nature and represents whether a symptom would result in normal, high, or low readings from the typical operating range.
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