ELECTRICAL NOTES ............................54 CIRCUIT BREAkER CALCULATIONS ......................... 56 POWER WIRING ..............................57 CONTROL WIRING ............................... 60 APPLICATION DATA ............................. 61 GUIDE SPECIFICATIONS ............................. 64 Performance data provided in this document was created in accordance with Quantech software: yW version 13.02. QUANTECH...
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FORM QTC2-eg1 (515) This Page inTenTionally lefT Blank. QUANTECH...
FORM QTC2-eg1 (515) Introduction Quantech™ is proud to present the model QTC2 Air-Cooled Scroll Chiller. The QTC2 Air-Cooled Scroll Chillers provide chilled water for all air conditioning applica- tions using central station air handling or terminal units. They are completely self-con- tained and are designed for outdoor (roof or ground level) installation.
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They are directly driven, and positioned for vertical air discharge. The fan guards are constructed of heavy-gauge, rust-resistant, PVC (polyvinyl chloride)-coated steel wire. Motors – The fan motors are Totally Enclosed Air-over, squirrel-cage type, current pro- tected. They feature ball bearings that are double-sealed and permanently lubricated. QUANTECH...
• remote reset temperature range. • Set daily schedule/holiday for start/stop. • manual override for servicing. • low and high ambient cutouts. • Number of compressors. • low liquid temperature cutout. • low suction pressure cutout. • high discharge pressure cutout. QUANTECH...
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• Suction pressure cutout setting. • Each system suction pressure. • discharge pressure (optional). • liquid Temperature reset via a Quantech iSN ddC or building automation system (by others) via: • A pulse width modulated (PWm) input as standard. • A 4-20 milliamp or 0 -10 VdC input, or contact closure with the optional B.A.S.
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MicroComputer Control Center (Cont'd) • Status of hot gas valves, evaporator heater and fan operation. • run permissive status. • Number of compressors running. • liquid solenoid valve status. • load & unload timer status. • Water pump status. QUANTECH...
COMPRESSOR, PIPING, EVAPORATOR OPTIONS Low Temperature Glycol – required for glycol chilling below 30°f (-1°C) leaving glycol temperature. option includes resized thermal expansion valve. Chicago Code Relief Valves – Unit will be provided with relief valves to meet Chicago code requirements. QUANTECH...
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Condenser coil protection against corrosive environments is available by choosing any of the following options. for additional application recommendations, contact your local Quantech office. Pre-Coated Fin Condenser Coils – The unit's coils are constructed with epoxy coated aluminum fins. This can provide corrosion resistance comparable to copper-fin coils in typical seashore locations.
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FORM QTC2-eg1 (515) This Page inTenTionally lefT Blank. QUANTECH...
12.8 18.9 -17.7 51.7 NoTES: 1. For leaving brine temperature below 40°F (4.4°C), contact your nearest Quantech Sales Office for ap- plication requirements. 2. For leaving water temperature higher than 55°F (12.8°C), contact the nearest Quantech Sales Office for application guidelines. 3. The evaporator is protected against freezing to -20°f (-28.8°C) with an electric heater as standard. 4. for operation at temperatures below 25°f (-3.9°C), the optional low Ambient Kit will need to be installed on the system (for QTC2040T-045T models only).
FORM QTC2-eg1 (515) Water Pressure Drop QTC2 ENGLISH EVAPORATOR PRESSURE DROP CURVE WATER FLOW RATE (GPM) ld18667 EVAPORATOR CURVE CHILLER MODEL QTC2015T QTC2020T QTC2025T QTC2030T QTC2035T QTC2040T QTC2045T QUANTECH...
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FORM QTC2-eg1 (515) Water Pressure Drop (Cont'd) QTC2 SI EVAPORATOR PRESSURE DROP CURVE WATER FLOW RATE (l/s) ld18668 EVAPORATOR CURVE CHILLER MODEL QTC2015T QTC2020T QTC2025T QTC2030T QTC2035T QTC2040T QTC2045T QUANTECH...
Total Chiller Cfm 10833 10833 20000 20000 39500 39500 43333 EVAPORATOR Water Volume Gallons maximum Water Side Pressure PSiG maximum refrig Side Pressure PSiG minimum Chiller Water flow GPm maximum Chiller Water flow GPm Water Connection Size inches QUANTECH...
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11.4 14.5 12.3 15.9 15.9 maximum Water Side Pressure Barg 20.7 20.7 20.7 20.7 20.7 20.7 20.7 maximum refrig Side Pressure Barg minimum Chiller Water flow l/s maximum Chiller Water flow l/s 12.6 12.6 18.9 Water Connections Size inches QUANTECH...
FORM QTC2-eg1 (515) Unit Dimensions - English QTC2015T 3 1/4" 6 3/4" 7/8" TYP. 3 15/16" VIEW B-B BOTTOM OF PANEL 2" DIA (2) 3.0 X 1.50 46 1/16" RIGGING HOLES 45 1/4" BOTH ENDS 2 1/4" 11 5/8" TO ACCESS PANEL 16 1/4"...
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FORM QTC2-eg1 (515) Unit Dimensions - English (Cont'd) QTC2015T 9/16" DIA MOUNTING HOLES(typ) 1 1/16" CONTROL COMPR PANEL 44 3/8" END CAP WIDTH 32 1/8" 6 1/8" 1 1/16" ORIGIN 2 1/4" 5" TOP VIEW 17" 1" 9 1/16" CONTROL PANEL 38 3/16"...
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Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. The unit controls will optimize operation without nuisance high-pressure safety cut-outs; however, the system designer must consider potential performance degradation. Access to the unit control center assumes the unit is no higher than on spring isolators. Recommended minimum clearances: Side to wall – 6'; rear to wall – 6'; control panel to end wall – 4'0''; top – no obstructions allowed; distance between adjacent units – 10'. No more than one adjacent wall may be higher than the unit. QUANTECH...
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CONTROL PANEL 38 3/16" 3 3/8" 2 1/4" 13 3/4" (2) 7.0 X 2.25 FORKLIFT HOLES BOTH SIDES (2) 3.0 X 1.50 15 5/8" RIGGING HOLES BOTH SIDES 44 1/2" 74 1/2" 97 1/8" 109 3/16" FRONT VIEW LD18672 QUANTECH...
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Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. The unit controls will optimize operation without nuisance high-pressure safety cut-outs; however, the system designer must consider potential performance degradation. Access to the unit control center assumes the unit is no higher than on spring isolators. Recommended minimum clearances: Side to wall – 6'; rear to wall – 6'; control panel to end wall – 4'0''; top – no obstructions allowed; distance between adjacent units – 10'. No more than one adjacent wall may be higher than the unit. QUANTECH...
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FORM QTC2-eg1 (515) Unit Dimensions - English (Cont'd) QTC2025T LD18674 QUANTECH...
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Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. The unit controls will optimize operation without nuisance high-pressure safety cut-outs; however, the system designer must consider potential performance degradation. Access to the unit control center assumes the unit is no higher than on spring isolators. Recommended minimum clearances: Side to wall – 6'; rear to wall – 6'; control panel to end wall – 4'0''; top – no obstructions allowed; distance between adjacent units – 10'. No more than one adjacent wall may be higher than the unit. QUANTECH...
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CONTROL PANEL 42 1/8" 3 3/8" 2 1/4" 17 3/4" (2) 7.0 X 2.25 FORKLIFT HOLES BOTH SIDES (2) 3.0 X 1.50 15 5/8" RIGGING HOLES 50 1/2" BOTH SIDES 80 1/2" 105 1/16" 118 5/16" FRONT VIEW LD18676 QUANTECH...
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Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. The unit controls will optimize operation without nuisance high-pressure safety cut-outs; however, the system designer must consider potential performance degradation. Access to the unit control center assumes the unit is no higher than on spring isolators. Recommended minimum clearances: Side to wall – 6'; rear to wall – 6'; control panel to end wall – 4'0''; top – no obstructions allowed; distance between adjacent units – 10'. No more than one adjacent wall may be higher than the unit. QUANTECH...
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END CAP WIDTH 45 1/8" 1 1/16" 9 13/16" 9 13/16" ORIGIN 16 3/4" TOP VIEW 5 5/16" 38" CONTROL PANEL 25 3/8" 13 5/8" TWO LIFTING HOLES BOTH SIDES 13 15/16" 15 1/16" 144 13/16" FRONT VIEW LD18678 QUANTECH...
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Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. The unit controls will optimize operation without nuisance high-pressure safety cut-outs; however, the system designer must consider potential performance degradation. Access to the unit control center assumes the unit is no higher than on spring isolators. Recommended minimum clearances: Side to wall – 6'; rear to wall – 6'; control panel to end wall – 4'0''; top – no obstructions allowed; distance between adjacent units – 10'. No more than one adjacent wall may be higher than the unit. QUANTECH...
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END CAP WIDTH 45 1/8" 1 1/16" 9 13/16" 9 13/16" ORIGIN 16 3/4" TOP VIEW 5 5/16" 38" CONTROL PANEL 25 3/8" 13 5/8" TWO LIFTING HOLES BOTH SIDES 13 15/16" 15 1/16" 144 13/16" FRONT VIEW LD18680 QUANTECH...
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Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable airflow patterns and possible diminished performance. The unit controls will optimize operation without nuisance high-pressure safety cut-outs; however, the system designer must consider potential performance degradation. Access to the unit control center assumes the unit is no higher than on spring isolators. Recommended minimum clearances: Side to wall – 6'; rear to wall – 6'; control panel to end wall – 4'0''; top – no obstructions allowed; distance between adjacent units – 10'. No more than one adjacent wall may be higher than the unit. QUANTECH...
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FORM QTC2-eg1 (515) Unit Dimensions - English (Cont'd) QTC2045T 45 1/8” 18 1/2” LD18682 QUANTECH...
FORM QTC2-eg1 (515) Unit Dimensions - Metric QTC2015T 22 TYP. VIEW B-B BOTTOM OF PANEL 51 DIA (2) 76 X 38 1170 RIGGING HOLES 1149 BOTH ENDS TO ACCESS PANEL 412 51 ANSI/AWWA C-606 CONN (typ) 1126 BASE WIDTH LEFT END...
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FORM QTC2-eg1 (515) Unit Dimensions - Metric (Cont'd) QTC2015T 14 DIA MOUNTING HOLES(typ) CONTROL COMPR PANEL 1128 END CAP WIDTH ORIGIN TOP VIEW CONTROL PANEL (2) 178 X 57 FORKLIFT HOLES BOTH SIDES (2) 76 X 38 RIGGING HOLES BOTH SIDES...
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2m; cooler end to wall – 1.2m; coil end to wall - 2m; top – no obstructions allowed; distance between adjacent units – 3m. No more than one adjacent wall may be higher than the unit. 1" nominal deflection isolators (not shown) will increase overall unit height by 152mm. QUANTECH...
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14 DIA MOUNTING HOLES(typ) CONTROL COMPR PANEL 1128 END CAP WIDTH ORIGIN TOP VIEW CONTROL PANEL (2) 178 X 57 FORKLIFT HOLES BOTH SIDES (2) 76 X 38 RIGGING HOLES BOTH SIDES 1130 1892 2466 2774 FRONT VIEW LD18692 QUANTECH...
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2m; cooler end to wall – 1.2m; coil end to wall - 2m; top – no obstructions allowed; distance between adjacent units – 3m. No more than one adjacent wall may be higher than the unit. 1" nominal deflection isolators (not shown) will increase overall unit height by 152mm. QUANTECH...
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16 DIA MOUNTING HOLES(TYP) CONTROL COMPR PANEL 1128 END CAP WIDTH ORIGIN TOP VIEW CONTROL PANEL 1070 (2) 178 X 57 FORKLIFT HOLES (2) 76 X 38 BOTH SIDES RIGGING HOLES 1282 BOTH SIDES 2044 2669 3005 LD18694 FRONT VIEW QUANTECH...
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2m; cooler end to wall – 1.2m; coil end to wall - 2m; top – no obstructions allowed; distance between adjacent units – 3m. No more than one adjacent wall may be higher than the unit. 1" nominal deflection isolators (not shown) will increase overall unit height by 152mm. QUANTECH...
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14 DIA MOUNTING HOLES(typ) CONTROL COMPR PANEL 1128 END CAP WIDTH ORIGIN TOP VIEW CONTROL PANEL 1070 (2) 178 X 57 FORKLIFT HOLES BOTH SIDES (2) 76 X 38 RIGGING HOLES 1282 BOTH SIDES 2044 2669 3005 FRONT VIEW LD18696 QUANTECH...
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2m; cooler end to wall – 1.2m; coil end to wall - 2m; top – no obstructions allowed; distance between adjacent units – 3m. No more than one adjacent wall may be higher than the unit. 1" nominal deflection isolators (not shown) will increase overall unit height by 152mm. QUANTECH...
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FORM QTC2-eg1 (515) Unit Dimensions - Metric (Cont'd) QTC2035T 14 DIA MOUNTING HOLES(typ) COIL COOLER 2301 END CAP WIDTH 1146 ORIGIN TOP VIEW CONTROL PANEL TWO LIFTING HOLES BOTH SIDES 3678 LD18698 FRONT VIEW QUANTECH...
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2m; cooler end to wall – 1.2m; coil end to wall - 2m; top – no obstructions allowed; distance between adjacent units – 3m. No more than one adjacent wall may be higher than the unit. 1" nominal deflection isolators (not shown) will increase overall unit height by 152mm. QUANTECH...
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FORM QTC2-eg1 (515) Unit Dimensions - Metric (Cont'd) QTC2040T 14 DIA MOUNTING HOLES(typ) COIL COOLER 2301 END CAP WIDTH 1146 ORIGIN TOP VIEW CONTROL PANEL TWO LIFTING HOLES BOTH SIDES 3678 LD18700 FRONT VIEW QUANTECH...
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2m; cooler end to wall – 1.2m; coil end to wall - 2m; top – no obstructions allowed; distance between adjacent units – 3m. No more than one adjacent wall may be higher than the unit. 1" nominal deflection isolators (not shown) will increase overall unit height by 152mm. QUANTECH...
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FORM QTC2-eg1 (515) Unit Dimensions - Metric (Cont'd) QTC2045T LD18702 QUANTECH...
FACT MOUNT CB FACTORY MOUNTED CIRCUIT BREAKER FULL LOAD AMPS HERTZ MAXIMUM MINIMUM CIRCUIT AMPACITY MINIMUM NF MINIMUM NON FUSED RATED LOAD AMPS S.P. WIRE SINGLE POINT WIRING UNIT MTD SERV SW UNIT MOUNTED SERVICE (NON-FUSED DISCONNECT SWITCH) LOCKED ROTOR AMPS QUANTECH...
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This disconnect is not intended to be a load Break device. 9. field Wiring by others which complies to the National Electrical Code & local Codes. QUANTECH...
Column A: 70 < 76.79 < 80, therefore the USEd moP found in Column C is 70. ACTUAL MINIMUM MAXIMUM COLUMN COLUMN COLUMN *Note: Column B is used if one were calculating the minimum dual Elem fuse which is not relevant to this exercise. QUANTECH...
A one-piece concrete slab with footers extending below the frost line is highly rec- ommended. Additionally, the slab should not be tied to the main building foundation, as noises will telegraph. QUANTECH...
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A flow switch is available as an accessory on all units. The flow switch (or its equivalent) must be installed in the leaving water piping of the cooler and must not be used to start and stop the unit. QUANTECH...
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3. All wiring and piping must comply with applicable local and national codes. 4. All wiring and piping must follow standard piping techniques as discussed in the AShrAE handbook. 5. A strainer with a mesh size between .5 and 1.5 mm is recommended upstream of the heat exchanger to prevent clogging. QUANTECH...
50 mile radius of the site. d. manufacturer shall Warrant all equipment and material of its manufacture against de- fects in workmanship and material for a period of one year from date of initial start-up or eighteen (18) months from date of shipment, whichever occurs first. QUANTECH...
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5. Annular discharge check valve and reverse vent assembly to provide low pressure drop, silent shutdown and reverse rotation protection. 6. initial oil charge. 7. oil level sight glass. 8. Vibration isolator mounts for compressors. 9. Brazed-type connections for fully hermetic refrigerant circuits. QUANTECH...
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2.05 CONTROLS A. General: Automatic start, stop, operating, and protection sequences across the range of scheduled conditions and transients. B. microprocessor Enclosure: rain and dust tight NEmA 3r/12 powder painted steel cab- inet with a gasket sealed protective cover. QUANTECH...
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English or metric data, suction pressure cutout setting, each system suction pressure, discharge pressure, liquid temperature reset via a Quantech iSN ddC or building automation system (by others) via PWm input as standard or a 4-20 mil-...
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2.07 ACCESSORIES AND OPTIONS Some accessories and options supercede standard product features. Your Quantech rep- resentative will be pleased to provide assistance. A. microprocessor controlled, factory installed Across-the-line type compressor motor starters as standard.
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(solenoid valves, filter driers, sight glasses, and TXVs), as discrete elements of a complete factory system. Contrac- tor shall be field erect system and provide interconnecting refrigerant piping and wiring in accordance with manufacturer recommendations, and project plans and schedules. Where not otherwise specified, Contractor provided system piping shall be in accor- dance with applicable sections of AShrAE handbook. QUANTECH...
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1. Neoprene Pad isolators. 2. 1-Inch Deflection Spring Isolators: Level adjustable, spring and cage type isolators for mounting under the unit base rails. 3. 2-Inch Deflection Isolators: Level adjustable, restrained mounts in rugged welded steel housing with vertical and horizontal limit stops. housings shall be designed to withstand a minimum 1.0g accelerated force in all directions to 2 inches. QUANTECH...
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C. Components: installing Contractor shall provide and install all auxiliary devices and accessories for fully operational chiller. d. Electrical: Coordinate electrical requirements and connections for all power feeds with Electrical Contractor (division 16). E. Controls: Coordinate all control requirements and connections with Controls Contrac- tor. f. Finish: Installing Contractor shall paint damaged and abraded factory finish with touch- up paint matching factory finish. QUANTECH...