Quantech QWC3050T-200T Installation Operation & Maintenance
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Quantech QWC3050T-200T Installation Operation & Maintenance

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WATER-COOLED LIQUID CHILLERS
HERMETIC SCROLL
Supersedes: QWC3-NM1 (1118)
Form: QWC3-NM1 (1120)
INSTALLATION, OPERATION, MAINTENANCE
PART # 035-26707-000
QWC3050T-200T
WATER-COOLED LIQUID CHILLERS
STYLE A (60 HZ)
50 - 200 TONS
175KW THROUGH 700KW
R410A
Issue Date:
Products are produced at a
f a c i l i t y w h o s e q u a l i t y -
management systems are
November 20, 2020
ISO9001 certified.

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  • Page 1 WATER-COOLED LIQUID CHILLERS HERMETIC SCROLL Supersedes: QWC3-NM1 (1118) Form: QWC3-NM1 (1120) INSTALLATION, OPERATION, MAINTENANCE PART # 035-26707-000 QWC3050T-200T WATER-COOLED LIQUID CHILLERS STYLE A (60 HZ) 50 - 200 TONS 175KW THROUGH 700KW R410A Issue Date: Products are produced at a...
  • Page 2 All wiring must be in accordance with Quantech’s published specifications and must be performed only by a qualified electrician. Quantech will NOT be responsible for damage/problems resulting from improper con- nections to the controls or application of improper control signals.
  • Page 3 Any references to Sys 2 are applicable to QTC2015T-045T models. ASSOCIATED LITERATURE MANUAL DESCRIPTION FORM NUMBER Unit Replacement Parts QWC3--RP1 Unit Start-Up Checklist QWC3-CL1 All Products - Replacement Parts Electrical Connectors 50.20-RP1 All Products - Replacement Parts Fittings 50.20-RP2 QUANTECH...
  • Page 4 FORM QWC3-NM1 ISSUE DATE: 11/20/2020 THIS PAGE INTENTIONALLY LEFT BLANK. QUANTECH...

  • Page 5: Table Of Contents

    Connection Types And Sizes .......................... 36 Electrical Connection ............................37 Field Wiring ..............................37 Control Panel Wiring ............................37 Power Wiring ..............................38 Compressor Heaters ............................39 Relief Valves ..............................39 High Pressure Cutout ............................. 39 Control Wiring ..............................40 QUANTECH...
  • Page 6 Leaving Chilled Liquid Control Override To Reduce Cycling ................ 148 Leaving Chilled Liquid System Lead/Lag And Compressor Sequencing ............. 148 Return Chilled Liquid Control ........................149 Return Chilled Liquid System Lead/Lag And Compressor Sequencing ............150 Anti-Recycle Timer ............................151 QUANTECH...
  • Page 7 Important ..............................169 Compressors ..............................169 Operating Parameters ..........................169 On-Board Battery Back-Up ........................... 169 Overall Unit Inspection ..........................169 BACnet And Modbus Data Communications ....................170 Temperature Conversion Chart ........................184 R410-A Pressure Temperature Chart ........................185 Temperature ..............................186 QUANTECH...
  • Page 8 FIGURE 36 - Unit Keys Options Programming Quick Reference List ..............145 FIGURE 37 - Leaving Water Temperature Control Example ................148 FIGURE 38 - Setpoint Adjust ..........................148 FIGURE 39 - Microboard Layout ..........................158 FIGURE 40 - I/O Board Relay Contact Architecture .....................162 FIGURE 41 - Micro Panel Connections ........................171 QUANTECH...
  • Page 9 TABLE 27 - Values Required For Bas Communication ..................171 TABLE 28 - Real Time Error Numbers .........................172 TABLE 29 - BACNET And Modbus Communications Data Map ................173 TABLE 30 - Yorktalk 2 Communications Data Map ....................178 TABLE 31 - SI Metric Conversion .........................186 QUANTECH...
  • Page 10 FORM QWC3-NM1 ISSUE DATE: 11/20/2020 THIS PAGE INTENTIONALLY LEFT BLANK. QUANTECH...

  • Page 11: Section 1 - General Chiller Information And Safety

    FORM QWC3-NM1 ISSUE DATE:11/20/2020 SECTION 1 – GENERAL CHILLER INFORMATION AND SAFETY INTRODUCTION • Only genuine Quantech approved spare parts, oils and refrigerants must be used. QWC3 chillers are manufactured to the highest design • All the scheduled maintenance operations detailed...

  • Page 12: Misuse Of Equipment

    Electrical the unit. The unit must be grounded. No installation or main- tenance work should be attempted on the electrical equipment without first switching power OFF, isolat- ing and locking-off the power supply. Servicing and QUANTECH...

  • Page 13: Section 2 - Product Description

    Two independent refrigerant circuits are provided on and fully charged with environmentally friendly refrig- each unit. Each circuit uses copper refrigerant pipe erant (R410A) and Quantech oil in each of the inde- formed on computer controlled bending machines to pendent refrigerant circuits.

  • Page 14: Evaporator

    (6) of Section VII, Division 1 of ASME Pressure Ves- • Forty character liquid crystal display, with de- sel Code. The condenser is equipped with relief valves scription available in five languages (English, and will hold the full refrigerant charge for pumpdown. French, German, Spanish or Italian). QUANTECH...

  • Page 15: Power Panel

    • Compressor starts and operating hours (each com- the unit supply voltage to 115V, 1-phase, 60Hz for pressor) the control system. • Run permissive status • Number of compressors running • Liquid solenoid valve status • Load and unload timer status • Water pump status QUANTECH...

  • Page 16: Accessories And Options

    This option will reduce the chiller MCA (minimum circuit ampac- Double Thick Insulation ity) and allow for reduced wire sizing to the unit. This Double thick (1-1/2") insulation provided on the evap- orator. (Factory-Mounted) QUANTECH...
  • Page 17 (Factory- Mounted) able, deflection may vary slightly by application. (Field- Mounted) Non Reversing Heat Pump Unit configured for optional operating mode controlled by leaving condenser water temperature. Temperature setpoint user adjust from 86°F to 122°F (30°C to 50°C), QUANTECH...

  • Page 18: Control / Power Panel Components

    FORM QWC3-NM1 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 11/20/2020 CONTROL / POWER PANEL COMPONENTS DISPLAY UNIT SWITCH IPU II/ IO BOARD CTB1 (Flow Switch & Load Limit) LD12922 FIGURE 2 - CONTROL / PANEL COMPONENTS QUANTECH...

  • Page 19: Figure 3 - Control Power Panel Components

    SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE:11/20/2020 CONTROL / POWER PANEL COMPONENTS (CONT’D) OPTIONAL CIRCUIT BREAKER COMPRESSOR OVERLOAD CTB2 (Evap Pump, Alarm & Chiller Run) COMPRESSOR COMPRESSOR COMPRESSOR CONTACTOR CONTACTOR OVERLOAD LD12921 FIGURE 3 - CONTROL POWER PANEL COMPONENTS QUANTECH...

  • Page 20: Unit Components

    FORM QWC3-NM1 SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE: 11/20/2020 UNIT COMPONENTS COMPRESSORS POWER PANEL MICRO PANEL LD12919 EVAPORATOR CONDENSER FIGURE 4 - UNIT COMPONENTS QUANTECH...

  • Page 21: Figure 5 - Control / Power Panel Components Dual System Units

    SECTION 2 – PRODUCT DESCRIPTION ISSUE DATE:11/20/2020 UNIT COMPONENTS (CONT’D) LIQUID LINE SOLENOID EVAPORATOR VALVE WATER OUTLET LD12920 LIQUID STOP LIQUID LINE DRIER VALVE EVAPORATOR / INLET WATER FIGURE 5 - CONTROL / POWER PANEL COMPONENTS DUAL SYSTEM UNITS QUANTECH...

  • Page 22: Product Identification Number (Pin)

    115T 46 = 460-3-60 130T 58 = 575-3-60 150T 170T REFRIGERANT = R-410a 200T QWC3 = QUANTECH CHILLER WATER COOLED SCROLL TABLE 1 - PRODUCT IDENTIFICATION NUMBER FEATURE FEATURE DESCRIPTION OPTION OPTION DESCRIPTION CONTRACT Contract Number Contract Number = {CONTRACT/NUM}...
  • Page 23 Leaving Condenser Water Temp = {CTEMP/NUM} CTEMP degrees (PIN 26 and 27) Special Quote No Sequence Kit PIN 28 PIN 28 Special Quote Leaving Evaporator Water Temp = {TEMP/NUM} Evaporator Water Temp degrees TEMP (PIN 29 and 30) Special LST requirements QUANTECH...
  • Page 24 Three Differential Pressure Switches/chiller EVAPFLOW Evap Flow Switch (PIN 41) One Flow Switch/chiller Two Flow Switches/chiller Three Flow Switches/chiller Special Quote ASME Pressure Vessel and Associated Codes VESSEL Vessel Codes (PIN 42) European “CE” Pressure Vessel Directive Special Quote QUANTECH...
  • Page 25 FORM Shipment Form (PIN 51) Special Quote No option PIN52 (PIN 52) Special Quote No Final Overspray Paint PAINT Overspray Paint (53) Final Overspray Paint Special Quote No Isolators 1" Deflection ISOL Isolators (PIN 54) Neoprene Seismic Special Quote QUANTECH...

  • Page 26: Refrigerant Flow

    The low pressure liquid refrigerant increased. High-pressure vapor is passed through the then returns to the evaporator. FIGURE 6 - REFRIGERANT FLOW DIAGRAM QUANTECH...

  • Page 27: Figure 7 - Process And Instrumentation Diagram

    Sensor Pressure or Temperature 38.6 bar 36.3 bar 34.7 bar Service (Stop) Access Valve Refer to Pressure Switch Options Filter Drier (Removable Core) 27.6 bar Refer to Option Options Compressors Evaporator -YLLSV LD12938 FIGURE 7 - PROCESS AND INSTRUMENTATION DIAGRAM QUANTECH...
  • Page 28 FORM QWC3-NM1 ISSUE DATE: 11/20/2020 THIS PAGE INTENTIONALLY LEFT BLANK. QUANTECH...

  • Page 29: Section 3 - Transportation, Handling And Storage

    Refer to and comply with procedures noted in the doc- Major damage must be reported immediately to your ument titled Long-Term Storage Requirements General local Quantech representative. (Form 50.20-NM1). MOVING THE UNIT Ensure that all openings, such as water connections, are securely capped.

  • Page 30: Lifting Weights

    (2541) (3261) (3319) (3480) LIFTING WEIGHTS - HIGH EFFICIENCY (HE) QWC3 MODEL - LBS. (KG) 060THE 070THE 080THE 090THE 095THE 115THE 130THE 150THE 4533 4911 5089 5773 6253 5905 7087 6863 (2056) (2228) (2308) (2619) (2836) (2678) (3215) (3113) QUANTECH...

  • Page 31: Section 4 - Installation

    The clearances recommended are nomi- ment must be commissioned and serviced nal for the safe operation and mainte- by an authorized Quantech service me- nance of the unit and power and control chanic or a qualified service person expe- panels. Local health and safety regula- rienced in chiller installation.

  • Page 32: Installation Of Vibration Isolators

    1” N.P.T. connection can be (13 mm) diameter holes in the base of the framework. When lower transmitted vibration levels are required obtained from Quantech as an option for optional anti-vibration isolators can be supplied loose the unit.
  • Page 33 Insulation should also be installed around if the unit is located in an unheated room where the heat exchanger nozzles. freezing could prevail. Water lines subjected to ambient temperatures below freezing may require heater cables or antifreeze (by others). QUANTECH...

  • Page 34: Water Treatment

    FIGURE 9 - ANSI/AWWA C-606 - ADAPTER FLANGES Aerated, brackish or salt water is not recommended for use in the water system(s). Quantech recommends that a water treatment specialist is consulted to determine REFRIGERANT RELIEF VALVE PIPING...

  • Page 35: Condenser Cooling Liquid Systems

    In either case condenser cooling liquid flow and tempera- ture limits must also be observed. LD12941 FIGURE 11 - INLET TEMPERATURE CONTROL DIAGRAM LD12940 FIGURE 10 - DIRECT PRESSURE CONTROL DIAGRAM QUANTECH...

  • Page 36: Pressure Tapping

    Isolating Valve - Normally Closed ISOLATING VALVE - NORMALLY CLOSED Flow Regulating Valve FLOW REGULATING VALVE Flow Measurement Device FLOW MEASUREMENT DEVICE Strainer STRAINER PRESSURE TAPPING PRESSURE TAPPING Flow Switch FLOW SWITCH LD06597A Flanged Connection FLANGED CONNECTION FIGURE 14 - PIPEWORK ARRANGEMENTS LEGEND QUANTECH...

  • Page 37: Electrical Connection

    Quantech. The use invalidate the warranty. of a simple switch or timer from a remote point is per- mitted; but it must be connected to the Quantech unit No additional controls (relays, etc.) panel at points expressly indicated for that purpose.

  • Page 38: Power Wiring

    This switch MUST remain in the OFF position until 5 – TECHNICAL DATA. the unit is commissioned by Quantech Authorized per- Connect the earth wire ground to the main protective sonnel. If the switch is set to the ON position before earth terminal in the common input section.

  • Page 39: Compressor Heaters

    18 to 24 hours prior to restarting a com- a cutout of 532 PSIG (36.7 barg). These cutouts con- pressor. This will assured that liquid slugging and oil form to relevant requirements of Pressure Equipment dilution does not damage the compressors on start. Directive PD 97/23/EC. QUANTECH...

  • Page 40: Control Wiring

    NO can result in damage to the evaporator LETHAL VOLTAGES are present inside and unit as a result of the chilled liquid the panel AFTER disconnecting power, freezing. PRIOR to working on equipment. FIGURE 16 - CONTROL WIRING QUANTECH...

  • Page 41: Section 5 - Technical Data

    40 (4.4) 115 (46) NOTES: 1. For leaving brine temperature below 40˚ (4.4˚C), contact your local Quantech Sales Representative for application requirements. 2. For leaving water temperature above 50˚ (10˚C), contact your local Quantech Sales Representative for application requirements. QUANTECH...

  • Page 42: Table 4 - Voltage Limitations

    Special care should be taken when mul- 200-3-60 tiple chillers are fed by a single pump. 208-3-60 230-3-60 380-3-60 Voltage Limitations 460-3-60 575-3-60 The following voltage limitations are absolute and operation beyond these limitations may cause serious damage to the compressor. QUANTECH...

  • Page 43: Figure 17 - Evaporator Water Pressure Drop Curves

    ISSUE DATE:11/20/2020 TECHNICAL DATA EVAPORATOR PRESSURE DROP CHARTS QWC3 QWC MODEL NUMBER EVAP 050TSE, 060TSE, 070TSE, 080TSE 060THE, 090TSE 100TSE, 115TSE 070THE, 080THE, 090THE, 115THE, 130TSE 0095THE, 150TSE 130THE, 150THE, 200TSE QWC3 FIGURE 17 - EVAPORATOR WATER PRESSURE DROP CURVES QUANTECH...

  • Page 44: Condenser Pressure Drop Charts

    ISSUE DATE: 11/20/2020 CONDENSER PRESSURE DROP CHARTS QWC3 QWC3 MODEL NUMBER EVAP 050TSE, 060TSE, 070TSE, 080TSE 060THE, 090TSE 100TSE, 115TSE 070THE, 080THE, 090THE, 115THE, 130TSE 0095THE, 150TSE 130THE, 150THE, 200TSE QWC3 FIGURE 18 - CONDENSER WATER PRESSURE DROP CURVES QUANTECH...

  • Page 45: Ethylene And Propolyne Glycol Correction Factors

    TABLE 6 - RECOMMENDED GLYCOL SOLUTION STRENGTHS LD06934 PROPYLENE A = Correction Factor B = Temperature ETHYLENE GLYCOL CONCENTRATION GLYCOL C = Concentration % Through Cooler CONCENTRATION % W/W LCHLT °C % W/W FIGURE 19 - GLYCOL SOLUTION STRENGTHS QUANTECH...

  • Page 46: Physical Data - Standard And High Efficiency

    X ft. (mm x m) (279 x 2.4) (279 x 2.4) (279 x 2.4) (279 x 2.4) (330 x 2.4) (356 x 2.4) (356 x 2.4) (406 x 2.4) (381 x 3.0) (43 X 3) (43 X 3) Water Nozzle Connection Size, in. QUANTECH...
  • Page 47 17” X 10’ 17” X 10’ in. X ft. (mm x m) (406 x 2.4) (381 x 3) (406 x 2.4) (432 x 3) (432 x 3) (330 x 2.4) (406 x 2.4) (406 x 2.4) Water Nozzle Connection Size, in. QUANTECH...

  • Page 48: Single Point Electrical Data

    # 4 - 500 KCM 150TSE # 4 - 500 KCM # 4 - 500 KCM # 4 - 500 KCM # 4 - 500 KCM 170TSE # 4 - 500 KCM # 4 - 500 KCM 200TSE # 4 - 500 KCM QUANTECH...
  • Page 49 106.7 106.7 150TSE 64.6 64.6 64.6 64.6 53.4 53.4 53.4 53.4 42.7 42.7 42.7 42.7 49.2 49.2 49.2 49.2 49.2 170TSE 39.3 39.3 39.3 39.3 39.3 49.2 49.2 49.2 49.2 49.2 49.2 200TSE 39.3 39.3 39.3 39.3 39.3 39.3 QUANTECH...
  • Page 50 130THE #10 - 300 KCM # 4 - 500 KCM #10 - 300 KCM # 4 - 500 KCM # 4 - 500 KCM 150THE #10 - 300 KCM # 4 - 500 KCM # 4 - 500 KCM QUANTECH...
  • Page 51 98.4 98.4 41.6 41.6 41.6 59.5 59.5 130THE 34.4 34.4 34.4 49.2 49.2 27.5 27.5 27.5 39.3 39.3 106.7 106.7 106.7 106.7 106.7 106.7 106.7 106.7 150THE 64.6 64.6 64.6 64.6 53.4 53.4 53.4 53.4 42.7 42.7 42.7 42.7 QUANTECH...
  • Page 52 # 250 - 500 KCM # 250 - 500 KCM 200TSE # 250 - 500 KCM # 250 - 500 KCM # 6 - 350 KCM # 4 - 300 KCM # 6 - 350 KCM # 4 - 300 KCM QUANTECH...
  • Page 53 34.1 34.1 34.1 27.3 27.3 27.3 27.3 27.3 78.4 78.4 78.4 78.4 78.4 78.4 68.2 68.2 68.2 68.2 68.2 68.2 200TSE 41.3 41.3 41.3 41.3 41.3 41.3 34.1 34.1 34.1 34.1 34.1 34.1 27.3 27.3 27.3 27.3 27.3 27.3 QUANTECH...
  • Page 54 # 250 - 500 KCM # 250 - 500 KCM 150THE # 6 - 350 KCM # 6 - 350 KCM # 6 - 350 KCM # 6 - 350 KCM # 4 - 300 KCM # 2 - 4/0 AWG QUANTECH...
  • Page 55 68.2 68.2 130THE 26.9 26.9 26.9 41.3 41.3 22.2 22.2 22.2 34.1 34.1 17.8 17.8 17.8 27.3 27.3 91.1 91.1 91.1 91.1 79.2 79.2 79.2 79.2 150THE 47.9 47.9 47.9 47.9 39.6 39.6 39.6 39.6 31.7 31.7 31.7 31.7 QUANTECH...

  • Page 56: Dual Point Electrical Data

    ELEM ELEM CIRCUIT CIRCUIT DISC SW FUSE FUSE DISC SW FUSE FUSE AMPS AMPS & MIN CB & MAX CB & MIN CB & MAX CB 050TSE 060TSE 060THE 070TSE 070THE 080TSE 080THE 090TSE 090THE 100TSE 115TSE 115THE 130TSE QUANTECH...
  • Page 57 45.5 358 45.5 358 460 60 #14 - 1/0AWG 37.6 310 37.6 310 – – #14 - 1/0AWG 37.6 310 37.6 310 575 60 #14 - 1/0AWG 30.1 239 30.1 239 – – #14 - 1/0AWG 30.1 239 30.1 239 QUANTECH...
  • Page 58 MINIMUM MODEL VOLT MIN N/F ELEM ELEM MIN N/F ELEM ELEM CIRCUIT CIRCUIT DISC SW FUSE FUSE DISC SW FUSE FUSE AMPS AMPS & MIN CB & MAX CB & MIN CB & MAX CB 095THE 130THE 150TSE 150THE QUANTECH...
  • Page 59 47.7 358 47.7 358 – – #2 - 4/0AWG 39.4 310 39.4 310 – – #14 - 1/0AWG 39.4 310 39.4 310 – – #14 - 1/0AWG 31.5 239 31.5 239 #14 - 1/0AWG 31.5 239 31.5 239 – – – – QUANTECH...

  • Page 60: Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch Or Circuit Breaker

    To prevent serious injury or death, can result in damage to the evaporator the technician should verify that NO and unit as a result of the chilled liquid LETHAL VOLTAGES are present inside freezing. the panel AFTER disconnecting power, PRIOR to working on equipment. QUANTECH...

  • Page 61: Dual-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch Or Circuit Breaker

    FORM QWC3-NM1 SECTION 5 – TECHNICAL DATA ISSUE DATE:11/20/2020 DUAL-POINT SUPPLY CONNECTION – TERMINAL BLOCK, NON-FUSED DISCONNECT SWITCH OR CIRCUIT BREAKER LD17112 FIGURE 21 - DUAL POINT POWER SUPPLY CONNECTION – STANDARD UNIT QUANTECH...

  • Page 62: Electrical Data

    AFTER disconnecting power, of the chilled liquid freezing. PRIOR to working on equipment. TABLE 8 - VOLTAGE RANGE (LIMITATIONS) VOLTAGE RANGE VOLTAGE CODE UNIT POWER MINIMUM MAXIMUM 200-3-60 230-3-60 380/415-3-60 460-3-60 380/415-3-50 575-3-60 QUANTECH...

  • Page 63: Electrical Notes And Legend

    9. The supplied disconnect is a “Disconnecting Means” as defined in the N.E.C. 100, and is intended for isolating the unit for the available power supply to perform maintenance and troubleshooting. This disconnect is not intended to be a Load Break Device. 10. Field Wiring by others which complies to the National Electrical Code & Local Codes. 11. Voltage Utilization Range QUANTECH...

  • Page 64: Ground Wire Sizing

    (2) # 4 - 3/0 AWG Instructions: 1) Start in correct power option table (switch, breaker, terminal block) 2) Match engineering guide value for amperage 3) Match engineering guide value for wire range 4) Note corresponding ground wire range QUANTECH...
  • Page 65 FORM QWC3-NM1 SECTION 5 – TECHNICAL DATA ISSUE DATE:11/20/2020 THIS PAGE INTENTIONALLY LEFT BLANK. QUANTECH...

  • Page 66: Elementary Wiring Diagram

    SECTION 5 – TECHNICAL DATA ISSUE DATE: 11/20/2020 ELEMENTARY WIRING DIAGRAM QWC3 050T, 060T, 070T, 080T, 090T, 100T, 115T and 130T STANDARD EFFICIENCY UNITS QWC3 060T, 070T 080T, 090T, 095T and 115T HIGH EFFICIENCY UNITS FIGURE 22 - CONTROL CIRCUIT, 4 COMPRESSOR QUANTECH...
  • Page 67 FORM QWC3-NM1 SECTION 5 – TECHNICAL DATA ISSUE DATE:11/20/2020 ELEMENTARY WIRING DIAGRAM (CONT’D) FIGURE 22 - CONTROL CIRCUIT, 4 COMPRESSOR (CONT’D) QUANTECH...

  • Page 68: Figure 23 - Control Circuit, 5 And 6 Compressor

    SECTION 5 – TECHNICAL DATA ISSUE DATE: 11/20/2020 ELEMENTARY WIRING DIAGRAM QWC3 100T,115T, 130T, 150T, 170T, 200T STANDARD EFFICIENCY UNITS QWC3 95T, 115T, 130T and 150T HIGH EFFICIENCY UNITS 035-21499-101 REV J LD26946a FIGURE 23 - CONTROL CIRCUIT, 5 AND 6 COMPRESSOR QUANTECH...
  • Page 69 FORM QWC3-NM1 SECTION 5 – TECHNICAL DATA ISSUE DATE:11/20/2020 ELEMENTARY WIRING DIAGRAM (CONT’D) LD26946b FIGURE 23 - CONTROL CIRCUIT, 5 AND 6 COMPRESSOR (CONT’D) QUANTECH...

  • Page 70: Figure 24 - Power Circuit, 4 Compressor With Non Fused Disconnect Switch Or Circuit Breaker

    QWC3 050T, 060T, 070T, 080T, 090T, 100T, 115T and 130T STANDARD EFFICIENCY UNITS QWC3 060T, 070T, 080T, 090T, and 115T HIGH EFFICIENCY UNITS 035-21481-102 REV. B FIGURE 24 - POWER CIRCUIT, 4 COMPRESSOR WITH NON FUSED DISCONNECT SWITCH OR CIRCUIT BREAKER QUANTECH...

  • Page 71: Figure 25 - Power Circuit, 4 Compressor With Circuit Breaker

    ELEMENTARY WIRING DIAGRAM QWC3 050T, 060T, 070T, 080T, 090T, 100T, 115T and 130T STANDARD EFFICIENCY UNITS QWC3 060T, 070T, 080T, 090T, and 115T HIGH EFFICIENCY UNITS 035-21481-302 REV - FIGURE 25 - POWER CIRCUIT, 4 COMPRESSOR WITH CIRCUIT BREAKER QUANTECH...

  • Page 72: Figure 26 - Power Circuit, 5 And 6 Compressor

    QWC3095T, 130T and 150T HIGH EFFICIENCY UNITS 035-21499-102 REV D FOR 5 & 6 COMPRESSOR UNITS FOR 6 COMPRESSOR UNITS ONLY FOR 5 & 6 COMPRESSOR UNITS FOR 6 COMPRESSOR UNITS ONLY LD26948 FIGURE 26 - POWER CIRCUIT, 5 AND 6 COMPRESSOR QUANTECH...

  • Page 73: Figure 27 - Power Circuit, 6 Compressor

    FORM QWC3-NM1 SECTION 5 – TECHNICAL DATA ISSUE DATE:11/20/2020 ELEMENTARY WIRING DIAGRAM QWC3100T, 115T, 170T and 200T STANDARD EFFICIENCY UNITS QWC3095T, 130T and 150T HIGH EFFICIENCY UNITS 035-21499-302 REV - FIGURE 27 - POWER CIRCUIT, 6 COMPRESSOR QUANTECH...

  • Page 74: Connection Wiring Diagram

    SECTION 5 – TECHNICAL DATA ISSUE DATE: 11/20/2020 CONNECTION WIRING DIAGRAM QWC3050T, 060T, 070T, 080T, 090T, 100T, 115T and 130T STANDARD EFFICIENCY UNITS QWC3060T, 070T, 080T, 090T and 115T HIGH EFFICIENCY UNITS FIGURE 28 - CONNECTION WIRING DIAGRAM, 4 COMPRESSOR QUANTECH...
  • Page 75 FORM QWC3-NM1 SECTION 5 – TECHNICAL DATA ISSUE DATE:11/20/2020 CONNECTION WIRING DIAGRAM (CONT’D) FIGURE 28 - CONNECTION WIRING DIAGRAM, 4 COMPRESSOR (CONT’D) QUANTECH...

  • Page 76: Figure 29 - Connection Wiring Diagram, 4 Compressor

    SECTION 5 – TECHNICAL DATA ISSUE DATE: 11/20/2020 CONNECTION WIRING DIAGRAM QWC3050, 060T , 070T, 080T, 090T, 100T, 115T and 130T STANDARD EFFICIENCY UNITS QWC3060T, 070T, 080T, 090T and 115T HIGH EFFICIENCY UNITS FIGURE 29 - CONNECTION WIRING DIAGRAM, 4 COMPRESSOR QUANTECH...
  • Page 77 FORM QWC3-NM1 SECTION 5 – TECHNICAL DATA ISSUE DATE:11/20/2020 CONNECTION WIRING DIAGRAM (CONT’D) FIGURE 29 - CONNECTION WIRING DIAGRAM, 4 COMPRESSOR (CONT’D) QUANTECH...

  • Page 78: Figure 30 - Connection Wiring Diagram, 5 And 6 Compressor

    FORM QWC3-NM1 SECTION 5 – TECHNICAL DATA ISSUE DATE: 11/20/2020 CONNECTION WIRING DIAGRAM QWC3100T, 115T, 150T, 170T and 200T STANDARD EFFICIENCY UNITS QWC3095T, 130T and 150T HIGH EFFICIENCY UNITS FIGURE 30 - CONNECTION WIRING DIAGRAM, 5 AND 6 COMPRESSOR QUANTECH...
  • Page 79 FORM QWC3-NM1 SECTION 5 – TECHNICAL DATA ISSUE DATE:11/20/2020 CONNECTION WIRING DIAGRAM (CONT’D) FIGURE 30 - CONNECTION WIRING DIAGRAM, 5 AND 6 COMPRESSOR (CONT’D) QUANTECH...

  • Page 80: Figure 31 - Connection Wiring Diagram, 6 Compressor

    SECTION 5 – TECHNICAL DATA ISSUE DATE: 11/20/2020 CONNECTION WIRING DIAGRAM QWC3100T, 115T, 170T and 200T STANDARD EFFICIENCY UNITS QWC3095T, 130T and 150T HIGH EFFICIENCY UNITS 035-21499-104 REV E 6M/6OL ON 6 COMPR. LD26945a FIGURE 31 - CONNECTION WIRING DIAGRAM, 6 COMPRESSOR QUANTECH...
  • Page 81 CONNECTION WIRING DIAGRAM (CONT’D) Single HPCO - Standard for all panel (50Hz and 60Hz). . y l For 4 and 5 compressor models. Jumpers are included in panel assembly. . s l LD26945b FIGURE 31 - CONNECTION WIRING DIAGRAM, 6 COMPRESSOR (CONT’D) QUANTECH...

  • Page 82: Elementary Wiring Diagram Details

    6. See installation, operation and maintenance manual when optional equipment is used. 7. Optional current readout. 5V = 200A. 8. 1MP thru 6MP are contained in their respective compressor junction boxes. LD12928a FIGURE 32 - ELEMENTARY WIRING DIAGRAM DETAILS, 4 COMPRESSOR QUANTECH...
  • Page 83 FORM QWC3-NM1 SECTION 5 – TECHNICAL DATA ISSUE DATE:11/20/2020 ELEMENTARY WIRING DIAGRAM DETAILS (CONT’D) LD12929a FIGURE 32 - ELEMENTARY WIRING DIAGRAM DETAILS, 4 COMPRESSOR (CONT’D) QUANTECH...

  • Page 84: Figure 33 - Elementary Wiring Diagram Details, 5 And 6 Compressor

    5. Contacts are rated at 115V, 100VA, resistive load only, and must be suppressed at load by user. 6. Optional current readout. 5V = 200A. 7. 1MP thru 6MP are contained in their respective compressor junction boxes. LD26944 FIGURE 33 - ELEMENTARY WIRING DIAGRAM DETAILS, 5 AND 6 COMPRESSOR QUANTECH...
  • Page 85 FORM QWC3-NM1 SECTION 5 – TECHNICAL DATA ISSUE DATE:11/20/2020 ELEMENTARY WIRING DIAGRAM DETAILS (CONT’D) 035-21499-103 REV. F LD26944 FIGURE 33 - ELEMENTARY WIRING DIAGRAM DETAILS, 5 AND 6 COMPRESSOR (CONT’D) QUANTECH...

  • Page 86: Figure 34 - Elementary Wiring Diagram, Eev Controller, 4 And 6 Compressor

    J15-4 P15 TO MICROBOARD STEP-1 J15-8 STEP-2 STEP-3 POLARITY DIRECTION RESPONSE TIME PULSE PER SECOND 200pps VALVE OPERATION TO SYSTEM #2 EEV 24V+ 24V- FROM TRANSFORMER -1T FIGURE 34 - ELEMENTARY WIRING DIAGRAM, EEV CONTROLLER, 4 AND 6 COMPRESSOR QUANTECH...

  • Page 87: Unit Dimensions - Four Compressor

    (1270.0) (1270.0) (1270.0) (1270.0) (1270.0) (1270.0) (1270.0) (1270.0) (1270.0) (1270.0) (1270.0) H* - for 200/230 volt units, which require a larger electrical enclosure H** - for multiple point circuit breaker units, 200/230 volt, which require a larger electrical enclosure QUANTECH...
  • Page 88 FORM QWC3-NM1 SECTION 5 – TECHNICAL DATA ISSUE DATE: 11/20/2020 UNIT DIMENSIONS - FOUR COMPRESSOR (CONT’D) HIGH SIDE RELIEF VALVE LOCATIONS LOW SIDE RELIEF VALVE LOCATION QUANTECH...

  • Page 89: Unit Dimensions - Five And Six Compressor

    37 21/32 (956.5) (956.5) (956.5) (888.2) (956.5) (1270) (1270) (1270) (1270) (1270) H* - for 200/230 volt units, which require a larger electrical enclosure H** - for multiple point circuit breaker units, 200/230 volt, which require a larger electrical enclosure QUANTECH...
  • Page 90 FORM QWC3-NM1 SECTION 5 – TECHNICAL DATA ISSUE DATE: 11/20/2020 UNIT DIMENSIONS - FIVE AND SIX COMPRESSOR QUANTECH...
  • Page 91 080T RD-4 Brick Red CP-2D-1800 Dark Green Pink/Gray 090T RD-4 Charcoal C2P-1D-2400 Gray Pink/Gray 095T RD-4 Charcoal C2P-1D-2400 Gray Pink/Gray 115T RD-4 Brick Red C2P-1D-2400 Gray Pink/Gray 130T RD-4 Charcoal C2P-1D-2720 White Pink/Gray 150T RD-4 Charcoal C2P-1D-3570 Gray/Red Pink/Gray/Orange QUANTECH...
  • Page 92 7-3/4 6-1/2 4-3/4 5-5/8 10-1/2 9-1/4 7-3/4 9/16 RATED CAPACITY (FOR UNITS WITH ALL LOAD POINTS LESS THAN MODEL COLOR QUANTECH P/N 1785 LBS (810 KG) NUMBER CODE (LBS.) (KG) CP-1D-510 BLACK Up thru 434 Up thru 197 029-25334-002 CP-1D-900...
  • Page 93 1/4" clearance is achieved between the lower tolerated). housing and upper housing. (See drawing below). 4. Bolt or anchor all isolators to supporting structure 9. Fine adjust isolators to level equipment. utilizing base slotted holes (“C”). 10. Installation is complete. QUANTECH...
  • Page 94 2.75 5.00 0.56 0.38 1/2-13 UNC X 1 3.00 MODEL NUMBER ISOL. COLOR WEIGHT RANGE (LBS) WEIGHT RANGE (KGS) QUANTECH P/N RD-3-CHARCOAL-WR CHARCOAL Up thru 825 UP TO 374 029-25335-001 RD-4-BRICK RED-WR BRICK RED 826 thru 1688 375 - 766...
  • Page 95 (“A”) be in- stalled on a level surface. Shim or grout as re- quired, leveling all isolator bases to the same elevation (1/32-inch maximum difference can be tolerated). TOP BOLT ("B") TOP WASHER ("C") ("B") ("A") SECTION D-D LD13762B QUANTECH...
  • Page 96 3. Equipment must be bolted or welded to the top plate to meet allowable seismic ratings. MODEL Y2RSI-2D SEISMICALLY RESTRAINED VIBRATION ISOLATOR FOR 2” DEFLECTION MODEL NUMBER ISOL. COLOR WEIGHT RANGE (LBS) WEIGHT RANGE (KGS) QUANTECH P/N Y2RSI-2D-460 GREEN Up thru 391 UP TO 177 029-25336-006...
  • Page 97 3" on center for a minimum total weld of 10". (All sides of equipment or bracket resting on top plate (“A”) must be welded). ("G") ("E") ("A") ("A") ("E") GROMMET 1/4 - 3/8 GAP EQUIPMENT ("F") WASHER ("E") ("F") ("C") ("C") ("B") LD13763B QUANTECH...
  • Page 98 1259 1143 1143 QWC3080THE 1324 1324 1168 1168 QWC3080THE QWC3090THE 1517 1517 1320 1320 QWC3090THE QWC3095THE 1664 1664 1448 1448 QWC3095THE QWC3115THE QWC3115THE 1565 1565 1338 1338 QWC3130THE 1937 1937 1560 1560 QWC3130THE QWC3150THE 2197 2197 1652 1652 QWC3150THE QUANTECH...
  • Page 99 Gray QWC3115THE Silver Silver Silver Silver QWC3115TSE QWC3130THE Gray Gray Gray Gray Silver Silver Silver Silver Gray w/ Gray w/ Gray w/ Gray w/ QWC3130TSE Gray Gray Gray Gray QWC3150THE Gray w/ Gray w/ Gray w/ Gray w/ QWC3150TSE QUANTECH...
  • Page 100 Yellow w/ Red 1786 to 2028 lbs 910 to 920 kg CIP-C- Yellow w/ Green 2028 to 2254 lbs 920 to 1022 kg CIP-C- Red w/ Red 2254 to 2936 lbs 1022 to 1332 kg CIP-C- Red w/ Green QUANTECH...
  • Page 101 To use the isolator as blocking for the equipment, insert a 10. Installation is now complete. 10mm (1/4") shim between the upper load plate and vertical uprights. Lower the equipment on the blocking or shimmed isolators. QUANTECH...
  • Page 102 Weight Range (lbs) Weight Range (kg) Model Number Color Up to 751 lbs Up to 341 kg ND-C Yellow 751 to 1651 lbs 341 to 749 kg ND-D Yellow 1651 to 3226 lbs 749 to 1463 kg ND-DS Yellow QUANTECH...
  • Page 103 Pad can be removed if Enclosed Neoprene Restraining mounts are welded Steel Acoustical into position. Housing ENGLISH SIZE 8 1/2 1 3/8 12 1/4 5 1/4 3 1/ 2 2-C2 5/8 “ (215.9) (9.5) (15.9) (34.9) (355.6) (311.2) (133.4) (88.9) QUANTECH...
  • Page 104 MBD -Max 1/8" Bolt Diameter LOWER Rubber RESTRAINING Snubbing BOLTS Collar 1/4" Adjustment Bolt Non-Skid Neoprene Pad- Internal Lower Pad can be removed if Enclosed Neoprene Restraining SHIPPED & INSTALLED AFTER ADJUSTMENT mounts are welded Steel Acoustical into position. Housing QUANTECH...

  • Page 105: Section 6 - Commissioning

    FORM QWC3-NM1 ISSUE DATE:11/20/2020 SECTION 6 – COMMISSIONING Commissioning of this unit should only Compressor Oil be carried out by Quantech authorized To add oil to a circuit – connect a hand oil pump (Part personnel. No. 470-10654-000) to the 1/4” oil charging connec- tion on the compressors with a length of clean hose or copper line.

  • Page 106: Figure 35 - Eev Ib-G Interface Board

    Set numbers 4 to 8 in accordance with the table shown in Figure 35 on page 106. For YLAA, YCWL and QWC3 chillers, DIP switch number 6 must be set to ON for a quicker EEV response. QUANTECH...

  • Page 107: Preparation - Power On

    The inlet should be at the refrigerant piping connection end of the cooler. Purge air from the top of the cooler using the plugged air vent mounted on the top of the cooler body. QUANTECH...
  • Page 108 2 of CTB2. The voltage should be 120VAC +/- 10%..Power must be applied 24 hours prior to start-up Each heater should draw approximately 0.5-1A. 7. Check the control panel to ensure it is free of for- eign material (wires, metal chips, etc.)..... JOHNSON CONTROLS QUANTECH...
  • Page 109 Low Amb. Temp. Cutout Leaving Liquid Temp. Cutout Anti-Recycle Time Fan Control ON Pressure Fan Differential OFF Pressure Total # of Compressors * Number of Fans/System * Unit/Sys Voltage Unit ID * Not on All Models ** Viewable Only QUANTECH...
  • Page 110 P.O. Box 1592, York, Pennsylvania USA 17405-1592 Subject to change without notice. Printed in USA Copyright © by Quantech 2017 ALL RIGHTS RESERVED Form QWC3-CL1 Issue Date: March 13, 2017...

  • Page 111: Unit Operating Sequence

    “lead” sys- will be allowed to run until the suction pressure tem. A new lead/lag assignment is made whenever falls below the suction pressure cutout or for 180 all systems shut down. seconds, whichever comes first. QUANTECH...
  • Page 112 FORM QWC3-NM1 SECTION 6 – COMMISSIONING ISSUE DATE: 11/20/2020 THIS PAGE INTENTIONALLY LEFT BLANK. QUANTECH...

  • Page 113: Section 7 - Unit Controls

    INTRODUCTION IPU II and I/O Boards The IPU and I/O boards are assembled to function as a The Quantech MicroComputer Control Center is a mi- single microprocessor controller requiring no addition- croprocessor based control system designed to provide al hardware. The IPU II board contains a coldfire mi- the entire control for the liquid chiller.
  • Page 114 The system have 4, 5, or 6 compressors. parameters can be scrolled with the use of the ↑ (UP) and ↓ (DOWN) arrow keys. The display will update all information at a rate of about 1 a second. QUANTECH...

  • Page 115: Status Key

    S W I T C H O F F not allow the unit to run. SYS SWITCH OFF tells that the system switch under OPTIONS is turned OFF. The system will not be al- lowed to run until the switch is turned back ON. QUANTECH...
  • Page 116 Therefore, it is important to keep in mind that this con- sages, etc. when in the STATUS display mode. There- trol will not function unless the discharge transducer is fore, do not expect to see any other STATUS messages installed in the system. QUANTECH...
  • Page 117 30VDC signal is restored to the input. allowed to restart when the discharge pressure falls 40 PSIG below the cutout. Discharge transducers must be installed for this function to operate. QUANTECH...
  • Page 118 90 minutes, ture (water or glycol) drops below the cutout point, the indicating the system is locked out and will not chiller will shutdown. Restart can occur when chilled restart. liquid temperature rises 2 °F above the cutout. QUANTECH...
  • Page 119 They are unit warn- This indicates the condensing unit jumper is installed ings and will not auto-restart. Operator intervention is on J11-12. This jumper must be removed to operate the required to allow a restart of the chiller. chiller. QUANTECH...

  • Page 120: Status Key Messages

    (Unit Warning Message) System X Comps Run System X AR Timer High Motor Current System X AC Timer System X Disch Limiting System X Suction Limiting System X Percentage Load Limiting Manual Overide Status System X Pumping Down (on shutdown) QUANTECH...

  • Page 121: Display/Print Keys

    T E M P 8 7 . 5 ° F This display shows the ambient air temperature. The minimum limit on the display is 0.4 °F (-17.6 °C). The maximum limit on the display is 131.2 °F (55.1 °C). QUANTECH...
  • Page 122 Whether the systems loads or unloads is determined by how far the actual liquid temperature is from setpoint. A detailed description of unit loading and unloading is covered under the topic of Capacity Control. QUANTECH...
  • Page 123 The fourth message indicates the stage of condenser tact closure. fan operation that is active. This message does not ap- ply to QWC3 chillers and is displayed as a result of the • PWM TEMP – EMS temperature reset use of software common to QWC chillers. QUANTECH...

  • Page 124: Table 10 - Operation Data

    Current Feedback One Per Unit *System X Compressors Status *System X Run Time *Sys X LLSV & HGSV Status *System X Condenser Fan Stage (This message is not applicable to a QWC3 chiller.) Current Feedback One Per System LD22072 QUANTECH...
  • Page 125 DEFROST TERMINATION TIME 3MIN WED START=00:00AM STOP=00:00AM BIVALENT HEAT DELAY TIME 30 MIN THU START=00:00AM STOP=00:00AM REMOTE UNIT ID PROGRAMMED FRI START=00:00AM STOP=00:00AM QUANTECH HYDRO KIT PUMPS 1 (410a) SAT START=00:00AM STOP=00:00AM PUMP TOTAL RUN HOURS XXXXX (410a) HOL START=00:00AM STOP=00:00AM QUANTECH...
  • Page 126 A M B I E N T C O N T R O L follows. X X X X X X X X X X QUANTECH INTERNATIONAL CORPORATION Displays the type of Ambient Control; Standard or MILLENNIUM LIQUID CHILLER Low Ambient.
  • Page 127 Displays the Ambient Temp. at the time of the fault. Displays the Leaving Liquid Temp. Cutout pro- L E A D S Y S T E M grammed. S Y S T E M N U M B E R QUANTECH...
  • Page 128 C O N T R O L C. M X X. Z Z. Y Y S A T S U C T X X X . X ° F I / O C. M X X. 1 8. Y Y QUANTECH...

  • Page 129: Entry Keys

    The ↑ (UP) arrow key, and ↓ (DOWN) arrow key are also used for programming the control panel such as changing numerical or text values when programming cooling setpoints, setting the daily schedule, changing safety setpoints, chiller options, and setting the clock. QUANTECH...

  • Page 130: Setpoints Keys

    Notice that the RANGE was programmed for +/- X.X° F. This indicates the SETPOINT to be in the center of the control range. If the control mode has been pro- grammed for RETURN LIQUID control, the message below would be displayed in place of the previous message. QUANTECH...
  • Page 131 The following messages illustrate both leaving chilled M O N S T A R T 0 0 : 0 0 liquid control and return chilled liquid control respec- S T O P 0 0 : 0 0 tively. QUANTECH...

  • Page 132: Table 11 - Cooling Setpoints, Programmable Limits And Defaults

    * When using glycol, Leaving Chilled Liquid Setpoint should not be set below 20°F (-6.7°C). ** Do not exceed 55°F (12.8°C) setpoint before contacting the nearest Quantech Sales Representative for application guidelines. The line under the 0 is the cursor. If the value is wrong,...
  • Page 133 Does not apply to QWC3. F A N D I F F E R E N T I A L O F F P R E S S U R E X X X P S I G Does not apply to QWC3. QUANTECH...
  • Page 134 V O L T S 225A 225A = X . X V O L T S The programmed value will be 2.8V. A similar calcula- tion and programming will be necessary for the other system in a 2-system chiller. QUANTECH...

  • Page 135: Table 12 - Program Key Limits And Default

    REMOTE UNIT ID — * The minimum discharge pressure allowed is 235 PSIG. The Fan Differential Off Pressure High Limit will be lowered (reduced) to prevent going below 235 PSIG based on where the fan control ON Pressure is programmed. QUANTECH...

  • Page 136: Table 13 - Setpoints Quick Reference List

    Provides a quick reference of the setpoints list for the Setpoints keys. Timer Fan Control On-Pressure (Not applicable to a QWC3) Fan Differential Off-Pressure (Not applicable to a QWC3) Total Numbers Compressors Number of Fans Per System SYS / Unit Trip Volts Option Remote Unit ID LD07404c QUANTECH...

  • Page 137: Unit Keys

    English, Spanish, French, German, Italian, Portuguese, Hungarian, Polish, and Swedish can be programmed. This turns system 2 OFF S Y S S W I T C H O F F S Y S S W I T C H This turns system 1 OFF QUANTECH...
  • Page 138 BAS to control the following items: Re- mote Start/Stop, Cooling Setpoint, Load Limit, and History Buffer Request. If the unit receives no valid BAS transmission for 5 minutes, it will revert back to the locally programmed values. QUANTECH...
  • Page 139 CONDENSING UNIT modes. C U R R E N T F E E D B A C K O N E P E R U N I T QUANTECH...
  • Page 140 U P D A T E E R R O R XXXXX If the update resulted in an error, the original program will still be active. When an error occurs, assure the correct Flash Card was utilized. Incorrect chiller soft- QUANTECH...
  • Page 141 30 seconds to prevent pump overheating. When programmed for hot gas bypass type System 2, the unit will operate system 2 hot gas bypass if system 2 is the lead system. QUANTECH...
  • Page 142 E N A B L E D When the following option is selected, the discharge temperature sensors are disabled. D S C H T E M P S E N S O R S D I S A B L E D QUANTECH...

  • Page 143: Figure 36 - Unit Keys Options Programming Quick Reference List

    (”Chiller” MUST be Selected Via No Jumper Installed (Viewable Only)) Refrigerant Type R-410A (Programmed under Service Mode) Viewable Only) LD22073 Provides a quick reference list for the Unit key setpoints. FIGURE 36 - UNIT KEYS OPTIONS PROGRAMMING QUICK REFERENCE LIST QUANTECH...
  • Page 144 FORM QWC3-NM1 ISSUE DATE: 11/20/2020 THIS PAGE INTENTIONALLY LEFT BLANK. QUANTECH...

  • Page 145: Section 8 - Unit Operation

    In water cooling mode on R-410A chillers, the mini- This control is only applicable if optional discharge mum low limit of the control range will be 40.0ºF. For pressure transducers are installed. leaving chilled liquid temperature setpoint and control QUANTECH...

  • Page 146: Leaving Chilled Liquid Control Override To Reduce Cycling

    50 number will always be the next compressor to start. °F, the setpoint high limit will be set to 50 °F, and the difference will be added to the setpoint low limit. QUANTECH...

  • Page 147: Return Chilled Liquid Control

    COOLING SETPOINT = 45 °F (7.2 °C) RANGE = 10 °F(5.6 °C) # OF COMP ON * 1+HG 45 °F 46.25 °F 47.5 °F 50.0 °F 52.5 °F 55.0 °F (7.2 °C) (7.9 °C) (8.6 °C) (10.0 °C) (11.4 °C) (12.8 °C) *Unloading only QUANTECH...

  • Page 148: Return Chilled Liquid System Lead/Lag And Compressor Sequencing

    Liquid Control the Hot Gas Bypass solenoid is energized only when the lead compressor is running and the LWT less than SP, the Hot Gas Bypass solenoid is turned OFF when the LWT more than SP plus CR/2. 2. Step 3 is skipped when loading occurs. 3. Step 4 is skipped when unloading occurs. QUANTECH...

  • Page 149: Anti-Recycle Timer

    Table 17 on page 150 shows the load limiting permit- key. If a dual pump option is installed, the active pump ted for the various number of compressors. Only Stage is selected by the selector switch. 1 is available utilizing a dry contact. QUANTECH...

  • Page 150: Compressor Run Status

    °reset = (Contact Closure - 1) x (*Max. Reset Value) until power is reapplied and no fault conditions exist. Example: Local Chilled Liquid Setpoint = 45°F (7.22°C) *Max Reset Value = 10°F (5.56°C) Contact Closure Time = 6 Seconds. QUANTECH...

  • Page 151: Bas/Ems Temperature Reset Using Avoltage Or Current Signal

    Setpoint = 45 °F + 5 °F = 50 °F Setpoint = Local Chilled Liquid Setpoint + °Reset (Metric) °Reset = (DC voltage signal) x (*Max Reset Value) °Reset = 8mA x 5.56 °C = 2.78 °C Reset Setpoint = 7.22 °C + 2.78 °C = 10.0 °C QUANTECH...
  • Page 152 FORM QWC3-NM1 ISSUE DATE: 11/20/2020 THIS PAGE INTENTIONALLY LEFT BLANK. QUANTECH...

  • Page 153: Section 9 - Service And Troubleshooting

    L L S V S T A T U S ENTER/ADV key is pressed: T B 10 - 3 O F F SYS 1 COMP 1 STATUS TB7-2 IS: SYS 1 LLSV STATUS TB7-3 IS: SYS 1 COMP 2 STATUS TB7-4 IS: QUANTECH...

  • Page 154: Service Mode - Chiller Configuration

    7 – pin 10 (J7-10) on microprocessor will display the first programmable the I/O board. It indicates that the voltage is 2.1VDC value under the PROGRAM key. which corresponds to 81 PSIG (5.6 bars) suction pres- sure. QUANTECH...

  • Page 155: Control Inputs/Outputs

    SYS 2 Suction Pressure Transducer J9-10 -or- SYS 2 Low Pressure Switch SYS 2 Discharge Pressure Transducer J9-11 (Optional) J7-12 Unit/SYS 1 Voltage J9-12 SYS 2 Voltage J11-11 Remote Temperature Reset TABLE 21 - I/O ANALOG OUTPUTS Not Applicable QUANTECH...

  • Page 156: Microboard Layout

    FORM QWC3-NM1 SECTION 9 – SERVICE AND TROUBLESHOOTING ISSUE DATE: 11/20/2020 MICROBOARD LAYOUT I/O BOARD BOARD TB10 LD12721 FIGURE 39 - MICROBOARD LAYOUT QUANTECH...

  • Page 157: Checking Inputs And Outputs

    Any time a switch or contact is closed, 30VDC would be applied to that par- ticular digital input. Any time a switch or contact is open, 0VDC would be applied to that particular digital input. QUANTECH...

  • Page 158: Table 22 - Entering/Leaving Chilled Liquid Temp. Sensor, Temperature / Voltage Correlation

    22 on page 158 for voltage readings that cor- 1.98 respond to specific liquid temperatures. 2.05 J6-1 = drain (shield connection = 0VDC) Return 2.12 2.19 2.26 2.33 2.40 2.47 2.53 2.60 2.65 2.73 2.80 2.86 2.92 2.98 3.05 3.11 3.17 3.23 3.29 3.34 3.39 3.45 3.54 QUANTECH...

  • Page 159: Table 23 - Pressure Transducers

    81.25 respond to specific discharge pressures. 162.5 J9-7 = +5VDC return. 243.75 J9-2 = drain (shield connection = 0VDC). 406.25 487.75 568.75 Red Wire = 5V, Black wire = 0V, White/Green Wire = signal QUANTECH...

  • Page 160: Figure 40 - I/O Board Relay Contact Architecture

    LLSV 2 TB10 SYS 2 TB10-4 COMPR 2 (5) SYS 2 TB10-5 COMPR 3 (6) SYS 2 TB10-7 HGSV TB10-8 TB10 TB10-9 TB10-10 TB8-6 EVAP PUMP TB8-7 HEAT EXCH TB8-2 HEATER LD12722A FIGURE 40 - I/O BOARD RELAY CONTACT ARCHITECTURE QUANTECH...

  • Page 161: Optional Printer Installation

    100 to 240VAC power source. Connect the printers to the control center microboard Cancel printing by selecting the CANCEL PRINTING as follows. Only one printer can be connected at a time. option. CHOOSE PRINT REPORT will display when the PRINT key is pressed. QUANTECH...

  • Page 162: Printing A Report

    History Buffer 1 History Buffer 2 History Buffer 3 History Buffer 4 History Buffer 5 History Buffer 6 History Buffer 7 History Buffer 8 History Buffer 9 History Buffer 10 Cancel Printing Press the  key to initiate the printout. QUANTECH...

  • Page 163: Troubleshooting

    5. Defective IPU II & I/O board or 5. Replace IPU II & IO board or the Display board. Display Board. Contact Quantech Sales Representative before replacing circuit boards. 1. No chilled liquid flow. 1. Check chilled liquid flow.
  • Page 164 2. Compare the display with a sensor. thermometer. Should be within +/- 2 COMPRESSOR(S) WON’T START degrees. See the Service section for RWT/LWT temp./voltage table. 3. Contactor/Overload failure. 3. Replace defective part. 4. Compressor failure. 4. Diagnose cause of failure and replace. QUANTECH...
  • Page 165 ISSUE DATE:11/20/2020 TABLE 26 - TROUBLESHOOTING (CONT’D) PROBLEM CAUSE SOLUTION 1. Fouled evaporator surface Low 1. Contact the local Quantech Sales suction pressure will be observed. Representative. 2. Improper flow through the 2. Reduce flow to within chiller design evaporator.
  • Page 166 FORM QWC3-NM1 ISSUE DATE: 11/20/2020 THIS PAGE INTENTIONALLY LEFT BLANK. QUANTECH...

  • Page 167: Section 10 - Maintenance

    If system failure occurs due to improper maintenance during the warranty period, Quantech will not be liable for costs incurred to return the system to satisfactory OPERATING PARAMETERS operation. The following is intended only as a guide and covers only the chiller unit components.

  • Page 168: Bacnet And Modbus Data Communications

    P1 MANUAL MAC XXXXX ADDRESS P2 STOP BITS P1 BAUD RATE XXXXX P2 HW SELECT BIT P1 PARITY XXXXX XXXXX REAL TIME ERROR P1 STOP BITS RESET 1 = YES, 0 = NO 0 Note: See Table 29 for error descriptions QUANTECH...

  • Page 169: Figure 41 - Micro Panel Connections

    Number is added to de modifier address, set as required by network. Unit operating software version 02 (C.MMC.13.02, C.MMC.14.02, Or C.MMC.16.02) Or higher required for MODBUS protocol functionality. Unit operating software version 04 (C.MMC.13.04, C.MMC.14.04, Or C.MMC.16.04) Or higher required for N2 protocol functionality. QUANTECH...

  • Page 170: Table 28 - Real Time Error Numbers

    ALL OK and Modbus registers. DATUM TYPE OK TEST FAILED The latest data map information is listed ENGLISH TEXT TOO LONG on the Quantech website. FLOATING POINT EXCEPTION GET PACKET FAILED GET TYPE FAILED INVALID UNIT CONVERSION INVALID HARDWARE SELECTION...

  • Page 171: Table 29 - Bacnet And Modbus Communications Data Map

    FORM QWC3-NM1 SECTION 10 – MAINTENANCE ISSUE DATE:11/20/2020 TABLE 29 - BACNET AND MODBUS COMMUNICATIONS DATA MAP QUANTECH...
  • Page 172 FORM QWC3-NM1 SECTION 10 – MAINTENANCE ISSUE DATE: 11/20/2020 TABLE 29 - BACNET AND MODBUS COMMUNICATIONS DATA MAP (CONT’D) QUANTECH...
  • Page 173 FORM QWC3-NM1 SECTION 10 – MAINTENANCE ISSUE DATE:11/20/2020 TABLE 29 - BACNET AND MODBUS COMMUNICATIONS DATA MAP (CONT’D) QUANTECH...
  • Page 174 FORM QWC3-NM1 SECTION 10 – MAINTENANCE ISSUE DATE: 11/20/2020 TABLE 29 - BACNET AND MODBUS COMMUNICATIONS DATA MAP (CONT’D) QUANTECH...
  • Page 175 Table 30 on page 176 The latest point map information is listed “Yorktalk 2 Communications Data Map” lists the con- on the Quantech website. trol parameters. These values are found under feature 54 in the MicroGateway or E-Link.

  • Page 176: Table 30 - Yorktalk 2 Communications Data Map

    FORM QWC3-NM1 SECTION 10 – MAINTENANCE ISSUE DATE: 11/20/2020 TABLE 30 - YORKTALK 2 COMMUNICATIONS DATA MAP QUANTECH...
  • Page 177 FORM QWC3-NM1 SECTION 10 – MAINTENANCE ISSUE DATE:11/20/2020 TABLE 30 - YORKTALK 2 COMMUNICATIONS DATA MAP (CONT’D) QUANTECH...
  • Page 178 FORM QWC3-NM1 SECTION 10 – MAINTENANCE ISSUE DATE: 11/20/2020 TABLE 30 - YORKTALK 2 COMMUNICATIONS DATA MAP (CONT’D) QUANTECH...
  • Page 179 FORM QWC3-NM1 SECTION 10 – MAINTENANCE ISSUE DATE:11/20/2020 TABLE 30 - YORKTALK 2 COMMUNICATIONS DATA MAP (CONT’D) QUANTECH...
  • Page 180 FORM QWC3-NM1 SECTION 10 – MAINTENANCE ISSUE DATE: 11/20/2020 TABLE 30 - YORKTALK 2 COMMUNICATIONS DATA MAP (CONT’D) QUANTECH...
  • Page 181 FORM QWC3-NM1 SECTION 10 – MAINTENANCE ISSUE DATE:11/20/2020 TABLE 30 - YORKTALK 2 COMMUNICATIONS DATA MAP (CONT’D) QUANTECH...

  • Page 182: Temperature Conversion Chart

    97.8 186.8 22.07 16.5 239.3 100.0 190.4 22.76 246.5 102.2 23.45 17.5 253.8 104.4 197.6 24.14 106.7 201.2 24.83 18.5 268.3 108.9 204.8 25.52 275.5 111.1 208.4 26.21 19.5 282.8 113.3 26.9 115.6 215.6 27.59 20.5 297.3 117.8 219.2 QUANTECH...

  • Page 183: R410-A

    FORM QWC3-NM1 SECTION 10 – MAINTENANCE ISSUE DATE:11/20/2020 R410-A PRESSURE TEMPERATURE CHART PSIG TEMP ˚F PSIG TEMP ˚F QUANTECH...

  • Page 184: Temperature

    (°C), subtract 32° and multiply by 5/9 or 0.5556. Example: (45.0°F - 32°) x 0.5556 = 7.22°C To convert a temperature range (i.e., a range of 10°F) from Fahrenheit to Celsius, multiply by 5/9 or 0.5556. Example: 10.0°F range x 0.5556 = 5.6 °C range QUANTECH...
  • Page 185 FORM QWC3-NM1 ISSUE DATE:11/20/2020 NOTES QUANTECH...
  • Page 186 5000 Renaissance Drive, New Freedom, Pennsylvania USA 17349 www.quantech-hvac.com Subject to change without notice. Printed in USA Copyright © by Quantech 2020 ALL RIGHTS RESERVED Form QWC3-NM1 (1120) Issue Date: November 20, 2020 Supersedes: QWC3-NM1 (1118)

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