Page 1 Air-Cooled Scroll Chiller Supersedes: QTC3-NM1 (1123) Form QTC3-NM1 (1223) Installation, Operation, Maintenance 035-24487-000 QTC3040T TO QTC3225T Air-Cooled Scroll Chillers with Brazed Plate Heat Exchanger Style B (60 Hz) 4 to 12 Fan 40 ton to 230 ton 140 kW to 800 kW...
Page 2 Johnson Controls will NOT be responsible for damage/problems resulting from improper connections to the controls or application of improper control signals. Failure to follow this warn- ing will void the manufacturer’s warranty and cause serious damage to property or personal injury. Quantech...
Page 3 Affected pages Description Updated the refrigerant warning in General safety guidelines Associated literature Manual description Form number Start-Up Checklist - Style A and B, 60 Hz 150.72-CL1 Limited Warranty Engineered Systems Equipment 50.05-NM2 Chiller A2L Refrigerant Application Data 160.00-AD10 Quantech...
Page 4: Conditioned-Based Maintenance
Planned Service Agreement that leverages real time and generalized conditions. In lieu of the traditional and historical data, delivering performance reporting, maintenance program, a Johnson Controls Quantech corrective actions required and data enabled guidance Conditioned Based Maintenance (CBM) program can for optimal operation and lifecycle assurance.
Page 5: Table Of Contents
Physical data QTC3041 to QTC3230, 60 Hz ....................50 Electrical data ..............................57 Compressor heaters ............................57 Electrical notes ............................... 72 Weight distribution and isolator mounting positions ..................106 Clearances ..............................107 Isolator locations ............................108 Isolator information ............................111 Quantech...
Page 6 Return chilled liquid system lead/lag and compressor sequencing .............. 174 Anti-recycle timer ............................174 Anti-Coincidence Timer ..........................174 Evaporator pump control and Quantech hydro kit pump control ..............174 Evaporator heater control ..........................175 Pumpdown control ............................175 Standard condenser fan control ........................175 VSD fan ................................
Page 7 Condenser MCHX ............................195 Microchannel coil cleaning ........................... 195 Operating parameters ..........................198 On-board battery backup ..........................198 Thermal dispersion flow switch ........................198 Brazed plate heat exchanger (evaporator) heater ..................198 Overall unit inspection ..........................198 Temperature ..............................202 Quantech...
Page 8 Figure 47: Micro Panel Connections ........................167 Figure 48: Leaving Water Temperature Control Example..................172 Figure 49: Setpoint Adjust ............................173 Figure 50: Condenser Fan Locations ........................176 Figure 51: Microboard Layout..........................184 Figure 52: I/O Board Relay Contact Architecture ....................188 Figure 53: Printer to microboard electrical connections ..................192 Quantech...
Page 9 Table 34: Data logging to flash ..........................189 Table 35: Troubleshooting.............................193 Table 36: Cleaning materials ..........................198 Table 37: Temperature conversion chart .......................199 Table 38: R-410A pressure temperature chart ......................200 Table 39: R-454B pressure temperature chart ......................201 Table 40: SI-metric conversion ..........................202 Quantech...
Page 10 Form QTC3-NM1 Issue date: 12/19/2023 This page is intentionally left blank. Quantech...
Page 11: Section 1: General Chiller Information And Safety
Introduction the contract. Quantech QTC3 chillers are manufactured to the high- The warranty is limited to parts only replacement and est design and construction standards to ensure high shipping of any faulty part, or sub-assembly, which has performance, reliability, and adaptability to all types of failed due to poor quality or manufacturing errors.
Page 12: Safety And Quality
This manual and any other document supplied with the unit are the property of Quantech, which reserves all rights. They may not be reproduced, in whole or in part, without prior written authorization from an autho- rized Quantech representative.
Page 13 The use of gloves is https://my.jci.com/sites/BE/NASafety. recommended. Frame rails, brakes, and other components may also have sharp edges. Reasonable care should be taken when working in contact with any components to avoid risk of minor abrasions and lacerations. Quantech...
Page 14 Warning: Read technical manual. White, Black and Safety Orange. Warning label. Black and red symbol on white background. Refrigerant Safety Refrigerant Safety Group: A2L. Group Black and red symbol on white background. Refrigerant Safety Group: A2L. Refrigerant Safety Group Quantech...
Page 15: Section 2: Product Description
Issue date: 12/19/2023 Section 2: Product description Introduction General system description Quantech QTC3 Air-Cooled Scroll Chillers provide Compressors chilled water for all air conditioning applications us- The chiller has suction-gas cooled, hermetic, scroll ing central station air handling or terminal units. They compressors.
Page 16: Table 1: Canadian Registration Numbers
• Color coded 12-button non-tactile keypad with sec- OH13953.58 tions for display and print of typical information: OH13953.59 • Chilled liquid temperatures OH13953.50 • Ambient temperature OH13953.5N OH13953.5T • System pressures (each circuit) OH13953.5Y • Operating hours and starts (each compressor) Quantech...
Page 17: Communications
• Suction pressure cutout setting • Each system suction pressure • Discharge pressure (optional) • Liquid Temperature Reset via a Quantech BAS DDC or Building Automation System (by others) using a 4 mA to 20 mA or 0 VDC to 10 VDC input...
Page 18: Building Automation System Interface
KVA capacity). Factory mounting includes primary ing depending on model. and secondary wiring between the transformer and the control panel. (Factory-mounted) • The standard control panel can be directly con- nected to a Quantech Building Automated Sys- Control Options tem. Ambient Kit (Low) Power panel Units will operate to 30°F (-1.1°C).
Page 19 Service shut off valves, additional pressure ports and ex- • Wire/louvered panels - Consists of welded wire- pansion tanks are optional within the hydro-kit option. mesh panels on the bottom part of unit and lou- vered panels on the condenser section of the unit. (Factory-Mounted) Quantech...
Page 20 • Ultra Quiet Fans - Lower RPM, 8-pole fan mo- tors are used with steeper-pitch fans. (Factory- Mounted) Vibration isolators Level adjusting, spring type 1 in. (25.4 mm) or seismic deflection or neoprene pad isolators for mounting un- der unit base rails. (Field-mounted) Quantech...
Page 21: Figure 1: Unit Components, Front View
Form QTC3-NM1 Section 1: General chiller information and safety Issue date: 12/19/2023 Item Description Item Description Fan assemblies Filter drier Condenser coils Power panel Evaporator Control panel Compressors Sight glass – – Figure 1: Unit components, front view Quantech...
Page 22: Figure 2: Unit Components, Side View
Form QTC3-NM1 Section 1: General chiller information and safety Issue date: 12/19/2023 Item Description Condenser coils Fan assemblies Condenser coils Receivers Evaporator Figure 2: Unit components, side view Quantech...
Page 23: Figure 3: Power Panel Components
Form QTC3-NM1 Section 1: General chiller information and safety Issue date: 12/19/2023 LD13248 Item Description Fan contactor Fan fuses Fan contactor Disconnect switch (optional) XTBF1 Compressor contactors Compressor overloads Figure 3: Power panel components Quantech...
Page 24: Figure 4: Power Panel And Control Components
Section 1: General chiller information and safety Issue date: 12/19/2023 LD13248b Item Description Fan contactor Fan fuses Control relay Microcomputer control center Display Keypad XTBC1 Microboard XTCB2 XTBF2 Compressor contactors Compressor overloads Figure 4: Power Panel and control components Quantech...
Page 25: Table 2: Complete Pin Number Description
SP Circuit Breaker w/ Lockable Handle, 65 kA SCWR (PIN 16 &17) SP Circuit Breaker w/ Lockable Handle MP Supply w/Ind Sys CB&L Ext Handles No Control Transformer Required Cntrl Transformer TRANS Control Transformer Required (PIN 18) Special Control Transformer Required Quantech...
Page 26 Special Chicago Code Kit required Standard Valves Required Valves VALVES Electronic Expansion Valve (PIN 32) Special Optional Valves Required No Hot Gas Bypass required Hot Gas Bypass HGBP Hot Gas Bypass required - 1 circuit (PIN 33) Special Hot Gas Bypass required Quantech...
Page 27 End Louver (End Hail Guard) Encl Panels (factory) End Louver (End Hail Guard) Encl Panels (field) Aesthetic Panel Kit only (factory) Aesthetic Panel Kit only (field) Aesthetic Panel Kit plus Hail Guards (factory) Aesthetic Panel Kit plus Hail Guards (field) Special Enclosure Panels Quantech...
Page 28 SR Documents SRDOCS (PIN 50) Base & Material Documents Base & Witness Documents Special Quote Quantech Branding SASO Compliant Label Special Quote Standard Low Sound Fan Required Ultra Quiet Fans Required High Air Flow Fan Requied Standard Low Sound Fan with VSD Required...
Page 29 Pump Kit W Pump Kit Y Pump Kit Z No Option Single Pump, Standard Single Pump, Full Feature Pump Package Options PKGOPT Dual Pump, Standard (PIN 60) Dual Pump, Full Feature VSD Single Pump, Full Feature VSD Dual Pump, Full Feature Quantech...
Page 30 Section 1: General chiller information and safety Issue date: 12/19/2023 Table 2: Complete PIN number description, continued Feature Feature description Option Option description PIN 61 PIN 61 – Marketing purposes only Guangzhou, China Mfg Location Monterrey, Mexico San Antonio, Texas Quantech...
Page 31: Figure 5: Process And Instrumentation Diagram
Low pressure vapor enters at the compres- sion valve where pressure is reduced and further cool- sor where pressure and superheat are increased. The ing takes place before entering to the cooler. Quantech...
Page 32 Form QTC3-NM1 Section 1: General chiller information and safety Issue date: 12/19/2023 This page is intentionally left blank. Quantech...
Page 33: Section 3: Handling And Storage
Therefore a professional rig- ger must determine the rigging and lifting method to be used and it is beyond the scope of the manual to specify rigging and lifting details. Quantech...
Page 34: Delivery And Storage
If the unit is to be put into storage, before installation, Major damage must be reported immediately to your the following precautions should be observed: local Quantech representative. • The chiller must be blocked so that the base is not Moving the chiller permitted to sag or bow.
Page 35: Figure 7: Unit Rigging/Lifting
Form QTC3-NM1 Section 3: Handling and storage Issue date: 12/19/2023 LD18121 LD18120 4 - 6 fan units 8 fan units LD27282 10 fan units LD27283 12 fan units Figure 7: Unit Rigging/Lifting Quantech...
Page 36: Lifting Weights
The lugs are attached to the cables/chains using shack- les or safety hooks. CORRECT INCORRECT LIFTING HOLE IN BASE FRAME FLANGE FLANGE LOCKING PIN LIFTING HOLE LOCKING PIN IN BASE FRAME LOCKING FLANGE Figure 8: Lifting lugs Quantech...
Page 37: Section 4: Installation
In installations where winter operation is intended and ment must be commissioned and serviced snow accumulations are expected, additional height by an authorized Quantech service me- must be provided to ensure normal condenser air flow. chanic or a qualified service person expe- Do not smoke smoking or have an open flame in the rienced in chiller installation.
Page 38: Spring Isolators: Optional
Hand stop valves should be installed in all lines to fa- • A chilled water flow switch, (either by Quantech cilitate servicing. or others) MUST be installed in the leaving wa- ter piping of the cooler.
Page 39: Pipework Arrangement
AL-CU to the unit, or loss of performance, and may invalidate compression fittings should be used to transition from the warranty. aluminum to copper. This transition should be done in Quantech...
Page 40: Relief Valves
XTBC2 – Termi- be done. nals 25 to 26 for system 1, and XTBC2 – Terminals 27 to 28 for system 2. See Figure 4 on page 24, Figure 14 on page 46 and unit wiring diagram. Quantech...
Page 41: Single-Point Supply Connection - Terminal Block, Non-Fused Disconnect Switch Or Circuit Breaker
LETHAL VOLTAGES are present inside and unit as a result of the chilled liquid the panel AFTER disconnecting power, freezing. before working on equipment. Figure 10: Single-Point Supply Connection – Terminal Block, Non-Fused Disconnect Switch or Circuit Breaker Quantech...
Page 42: Figure 11: Control Wiring Inputs
To prevent serious injury or death, the technician should verify that NO LETHAL VOLTAGES are present inside the panel AFTER disconnecting power, before working on equipment. Figure 11: Control Wiring Inputs Quantech...
Page 43: Table 3: Chemical Specification Of Water
< 5 No Limit Total Hardness (odH) mg/L 4.0–8.5 No Limit Nitrate (NO³-) < 100 No Limit Iron (Fe) mg/L < 0.2 No Limit Aluminum (Al) mg/L < 0.2 No Limit Manganese (Mn) mg/L < 0.1 No Limit Quantech...
Page 44: Figure 12: Thermal Dispersion Flow Switch
3. Wiring of Thermal Dispersion Flow Switch a. The wire connection of thermal dispersion switch contains 5 pins, the central pin is Pin #5 used for programming, which is unneces- sary for wiring. See Figure 13 on page 44. Quantech...
Page 45 • Mount the thermal dispersion flow switch on the top of the horizontal pipes only if the pipe is fully filled with liquid. Mount the thermal dispersion flow switch on the bottom of the horizontal pipes only if the pipe is free from buildup. Quantech...
Page 46: Figure 14: Control Wiring Outputs
The unit evaporator heater uses 120 VAC. Disconnecting 120 VAC power from the unit, at or below freezing temperatures, can result in damage to the evaporator and unit as a result of the chilled liquid freezing. Figure 14: Control wiring outputs Quantech...
Page 47: Section 5: Technical Data
1. For leaving liquid temperature below 40°F (4.4°C) (to 10°F [-12.2°C]), an optional low temperature glycol kit is required. Contact your nearest Quantech Office for application requirements. 2. For leaving liquid temperature higher than 55°F (12.8°C), contact the nearest Quantech Office for application guidelines. 3. The evaporator is protected against freezing to -20°F (-28.9°C) with an electric heater as standard.
Page 48 Issue date: 12/19/2023 Heat exchanger flow, gpm Evaporator Pressure Drop (IP Units) Water Flow Rate (gpm) LD28292a EVAPORATOR QTC3 MODELS 3055THE, 3060THE, 3070TSE 3075TSE 3079THE, 3085TSE, 3090THE, 3095TSE, 3100THE, 3120THE 3125TSE, 3129THE, 3150THE, 3160TSE 3110TSE, 3140TSE 3170THE 3205THE 3225THE 3050THE 3040THE Quantech...
Page 49: Table 5: Ethylene And Propylene Glycol Correction Factors
24.0 26.0 20.0 25.1 17.9 20.0 24.3 19.0 30.0 25.9 30.0 24.9 40.0 26.9 -8.1 40.0 25.6 -6.0 50.0 28.0 -28.9 50.0 26.6 -28.0 NOTE: Water Pressure Drop Curves may extend past the minimum and maximum water flow ranges. Quantech...
Page 50: Physical Data Qtc3041 To Qtc3230, 60 Hz
13.2 10.0 Maximum water side pressure, psig Maximum refrigerant side pressure, psig Minimum chiller water flow rate, gpm Maximum chiller water flow rate, gpm Water connections size, in. Note: * Standard side extension kit, evaporator nozzle remains 3 in. Quantech...
Page 51 Total chiller, cfm 26,800 60,000 60,000 60,000 60,000 90,000 Evaporator Water volume, gal Maximum water side pressure, psig Maximum refrigerant side pressure, psig Minimum chiller water flow rate, gpm Maximum chiller water flow rate, gpm Water connections size, in. Quantech...
Page 52 14.3 12.6 14.3 Maximum water side pressure, psig Maximum refrigerant side pressure, psig Minimum chiller water flow rate, gpm Maximum chiller water flow rate, gpm Water connections size, Note: * Standard side extension kit, evaporator nozzle remains 3 in. Quantech...
Page 53 13.2 10.0 Maximum water side pressure, psig Maximum refrigerant side pressure, psig Minimum chiller water flow rate, gpm Maximum chiller water flow rate, gpm Water connections size, in. Note: * Standard side extension kit, evaporator nozzle remains 3 in. Quantech...
Page 54 Water volume, gal Maximum water side pressure, psig Maximum refrigerant side pressure, psig Minimum chiller water flow rate, gpm Maximum chiller water flow rate, gpm Water connections size, in. Note: * Standard side extension kit, evaporator nozzle remains 3 in. Quantech...
Page 55 Total chiller, cfm 26800 60000 60,000 60,000 60,000 90,000 Evaporator Water volume, gal Maximum water side pressure, psig Maximum refrigerant side pressure, psig Minimum chiller water flow rate, gpm Maximum chiller water flow rate, gpm Water connections size, in. Quantech...
Page 56 14.3 12.6 14.3 Maximum water side pressure, psig Maximum refrigerant side pressure, psig Minimum chiller water flow rate, gpm Maximum chiller water flow rate, gpm Water connections size, Note: * Standard side extension kit, evaporator nozzle remains 3 in. Quantech...
Page 57: Electrical Data
70 W heaters and larger compressors use 120 compressors on start. W heaters. If power is OFF more than two hours, the crankcase heaters must be energized for 18 hours to 24 Quantech...
Page 58: Table 9: Pump Electrical Data 60 Hz
145.0 18.0 116.0 Note: Reference PIN 59 for Pump Model. Use this table along with Table 11 on page 59 to determine electrical data of the unit plus the pump. Table 10: Transformer Load Volt 2000 3000 14.4 13.0 Quantech...
Page 59: Table 11: Electrical Data Without Pumps, R-410A
21.5 21.5 15.3 Notes: • Reference PIN 59 for pump models. • Use this table along with Table 9 on page 58 to determine electrical data of the unit plus the pump. • Does not include the control transformer. Quantech...
Page 60 42.5 42.5 15.3 Notes: • Reference PIN 59 for pump models. • Use this table along with Table 9 on page 58 to determine electrical data of the unit plus the pump. • Does not include the control transformer. Quantech...
Page 61 51.9 51.9 15.3 Notes: • Reference PIN 59 for pump models. • Use this table along with Table 9 on page 58 to determine electrical data of the unit plus the pump. • Does not include the control transformer. Quantech...
Page 62 21.5 21.5 15.3 Notes: • Reference PIN 59 for pump models. • Use this table along with Table 9 on page 58 to determine electrical data of the unit plus the pump. • Does not include the control transformer. Quantech...
Page 63 15.3 — — Notes: • Reference PIN 59 for pump models. • Use this table along with Table 9 on page 58 to determine electrical data of the unit plus the pump. • Does not include the control transformer. Quantech...
Page 64 51.9 51.9 15.3 Notes: • Reference PIN 59 for pump models. • Use this table along with Table 9 on page 58 to determine electrical data of the unit plus the pump. • Does not include the control transformer. Quantech...
Page 65: Table 12: Electrical Data Without Pumps, R-454B
21.5 21.5 15.3 57.7 57.7 57.7 57.7 57.7 57.7 3090T 30.9 30.9 30.9 23.1 26.9 26.9 26.9 21.5 21.5 21.5 15.3 57.7 57.7 57.7 57.7 57.7 57.7 3095T 30.9 30.9 30.9 23.1 26.9 26.9 26.9 21.5 21.5 21.5 15.3 Quantech...
Page 66 62.2 23.1 51.4 51.4 51.4 41.1 41.1 41.1 15.3 1,200 1,000 1,000 130.1 761 130.1 761 130.1 761 1,200 1,000 1,000 130.1 761 130.1 761 130.1 761 3225T 71.1 71.1 71.1 23.1 67.9 67.9 67.9 48.7 48.7 48.7 15.3 Quantech...
Page 67 3090T 30.9 30.9 30.9 23.1 26.9 26.9 26.9 21.5 21.5 21.5 15.3 106.2 652 106.2 652 — — 106.2 652 106.2 652 — — 3095T 64.3 64.3 — — 23.1 53.1 53.1 — — 42.5 42.5 — — 15.3 Quantech...
Page 68 106.2 652 106.2 652 106.2 652 3160T 64.3 64.3 64.3 23.1 53.1 53.1 53.1 42.5 42.5 42.5 15.3 1,000 106.2 652 106.2 652 106.2 652 1,000 106.2 652 106.2 652 106.2 652 3170T 64.3 64.3 64.3 23.1 53.1 53.1 53.1 42.5 42.5 42.5 15.3 Quantech...
Page 69 62.2 23.1 51.4 51.4 51.4 41.1 41.1 41.1 15.3 1,200 1,000 1,000 130.1 761 130.1 761 130.1 761 1,200 1,000 1,000 130.1 761 130.1 761 130.1 761 3225T 71.1 71.1 71.1 23.1 67.9 67.9 67.9 48.7 48.7 48.7 15.3 Quantech...
Page 70: Table 13: Wiring Lugs
(1) 6 - 350 — (1) 6 - 350 — Note: Alternate lugs are available in the panel for field electricians and contractors, if other lug arrangements are necessary for the installed lugs on the non-fused disconnect switch and circuit breaker panels. Quantech...
Page 71 (2) 3/0 - 250 (1) 250 - 500 Note: Alternate lugs are provided in the panel for field electricians and contractors, if other lug arrangements are necessary for the installed lugs on the non-fused disconnect switch and circuit breaker panels. Quantech...
Page 72: Electrical Notes
FACTORY MOUNTED CIRCUIT BREAKER -58 = 575-3-60 FULL LOAD AMPS HERTZ MAXIMUM MINIMUM CIRCUIT AMPACITY MINIMUM MIN NF MINIMUM NON FUSED RATED LOAD AMPS S.P. WIRE SINGLE POINT WIRING UNIT MTD SERV SW UNIT MOUNTED SERVICE (NON-FUSED DISCONNECT LOCKED ROTOR AMPS Quantech...
Page 73 HEATER RELAY STANDARD QUANTECH ACCESSORIES COMPRESSOR CONTACTOR WIRING AND ITEMS SHOWN THUS ARE - KM (INCLUDING COIL SUPPRESSOR) NOT SUPPLIED BY QUANTECH - KCR CONTROL RELAY ITEMS THUS ENCLOSED FORM A COMPONENTS OR SETS OF PUMP CONTACTOR PART - KP...
Page 74 All sources of supply shown on this diagram must be taken from one main isolator, not shown or supplied by Quantech Green and yellow wire is used for earth, multi-colored cable used for low voltage. Red wire used for AC Control, blue wire for neutral, black wire for AC and DC power.
Page 75 G System 3 with 5-fans - details shown on drawing - 123 Auxiliary switches for manual motor protectors Auxiliary switches for manual motor protectors for 3 compressor units only LON module option for smart chiller enclosure Smart chiller assembly Quantech...
Page 76: Figure 15: Elementary Wiring Diagram
At the top of the pages the numbers 1 to 11 go from left to right. Find drawing number 2 and in column number 1 across the top of the page, locate wire number 1. Figure 15: Elementary Wiring Diagram Quantech...
Page 77: Figure 16: Elementary Wiring Diagram
1 5 9 10 7 11 4 12 -J11 RS485 RS232 -TB1 -TB3 -K21 -K22 -K14 -K15 -K16 -K17 -K18 -K19 -K20 -K23 -K24 2 3 4 2 3 4 5 6 LD29089b DWG. 1 Figure 16 - Elementary Wiring Diagram (Cont’d) Quantech...
Page 78 At the top of the pages the numbers 1 to 11 go from left to right. Find drawing number 1 and in column number 2 across the top of the page, locate wire number 2. Figure 16: Elementary Wiring Diagram Quantech...
Page 79 +EXT NB32 NB32 NB49 =1-KM3 =2-KM1 =2-KM2 =2-KM3 =1-YLLSV =1-YHGSV =2-YLLSV =2-YHGSV +EXT +EXT +EXT +EXT =2-ECH1 =2-ECH2 =2-ECH3 +EXT +EXT +EXT -XTBC2 =2-XTBF -XTBC2 =2-XTBF NB58C NB59C NB57C LD29243b DWG. 2 Figure 17 - Elementary Wiring Diagram (Cont’d) Quantech...
Page 80: Figure 17: Fan Wiring, Standard Air Flow
NB15 NB27 =1-F5 =1-KF1 =1-KF2 =1-KF3 =1-MF1 =1-MF2 =1-MF3 =1-MF4 =1-MF5 =1-MF6 +EXT +EXT +EXT +EXT +EXT +EXT X/2.8 -AMB /1.3 /1.4 /1.4 -XTB7 -XP2 -XP2 -XP2 =1-KF1 =1-KF2 =1-KF3 2/1.2 LD27947a Figure 17: Fan Wiring, Standard Air Flow Quantech...
Page 81 =2-KF1 =2-KF2 =2-KF3 =2-MF1 =2-MF2 =2-MF3 =2-MF4 =2-MF5 =2-MF6 +EXT +EXT +EXT +EXT +EXT +EXT Y/2.8 -K22 -K23 -K24 /1.9 /1.10 /1.10 -XTB10 -XP3 -XP3 -XP3 =2-KF1 =2-KF2 =2-KF3 LD27947b Figure 18 - Fan Wiring, Standard Air Flow (CONT’D) Quantech...
Page 82: Figure 18: Fan Wiring, High Air Flow
=1-MF6 =1-MF2 +EXT +EXT +EXT +EXT +EXT +EXT > > > > > > =1-XTBM =1-XTBM =1-XTBM =1-XTBM =1-XTBM =1-XTBM =1-KF1 =1-KF6 =1-KF2 =1-KF5 =1-KF3 =1-KF4 2/1.2 NB15 NB55 NB12 NB54 LD27948a Figure 18: Fan Wiring, High Air Flow Quantech...
Page 83 =2-MF6 +EXT +EXT +EXT +EXT +EXT +EXT > > > > > > =2-XTBM =2-XTBM =2-XTBM =2-XTBM =2-XTBM =2-XTBM =2-KF1 =2-KF6 =2-KF2 =2-KF5 =2-KF3 =2-KF4 NB15 NB14 NB12 NB54 LD27948b Figure 19 - Fan Wiring, High Air Flow (CONT’D) Quantech...
Page 84: Figure 19: Single And Dual Point Wiring Options
575V-3-60HZ 380/415V-3-50/60HZ 575V-3-60HZ 380/415V-3-50/60HZ 380/415V-3-50/60HZ -QSD -QCB -XTBC -QSD NB17 NB16 =1-QCB =2-QCB SINGLE POINT WIRING OPTIONS 208/230V-3-60HZ 460V-3-60HZ 575V-3-60HZ 380/415V-3-50/60HZ NB31 =1-QCB =2-QCB DUAL POINT WIRING OPTION LD27949 DWG. 16 Figure 19: Single and Dual Point Wiring Options Quantech...
Page 85: Figure 20: Pump Wiring
Rev G 1L1/1.1 -J11 1L2/1.1 -AMB 1L3/1.1 NB19 -QMMSP1 -QMMSP2 1/1.1 149/2.3 -XTB8 -AMB V/2.3 -K11 -K13 /1.5 /1.6 -XTB8 -XTB8 -XTBC2 -XTBC2 +EXT NB52 +EXT +EXT -KP1 -KP2 +EXT 2/2.5 2/1.2 LD27950a DWG. 5 Figure 20: Pump Wiring Quantech...
Page 86 Pump wiring 1L1/1.1 1L2/1.1 1L3/1.1 -J11 -AMB -KP2 -KP1 -UFSC2 UFSC2 1/1.1 -XTB8 -AMB 149/2.2 V/2.4 -K11 -K13 /1.5 /1.6 -XTB8 -XTB8 -XTBC2 -XTBC2 =1-XTBF -KP1 +EXT +EXT 2/2.8 2/1.2 LD27950b DWG. 5 FIGURE 21 - Pump Wiring (Cont’d) Quantech...
Page 87: Figure 21: Eev Controller Elementary Diagram
FROM TRANSFORMER -1T =2-EEVC INPUT CONFIGURATION 0-10V 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 LD27951 Figure 21: EEV Controller Elementary Diagram Quantech...
Page 88: Figure 22: Compressor Wiring
Form QTC3-NM1 Section 5: Technical data Issue date: 12/19/2023 Compressor wiring 035-21589-106 REV N Figure 22: Compressor Wiring Quantech...
Page 89 Form QTC3-NM1 Section 5: Technical data Issue date: 12/19/2023 Figure 23 - Compressor Wiring (Cont’d) Quantech...
Page 90: Figure 23: Power Options Connection Diagram
2L1C 2L2C 2L3C 1L1A 1L2A 1L3A -QSD -QSD 1L1C 1L2C 1L3C TRANSFORMER AND TERMINALS ARE FOUND ON POWER SIDE 1L1A 1L2A 1L3A OF DIVIDER PANEL 1L1B 1L2B 1L3B 1L1C 1L2C 1L3C 140C LD13234C Figure 23: Power Options Connection Diagram Quantech...
Page 91 Form QTC3-NM1 Section 5: Technical data Issue date: 12/19/2023 2L1C 2L2C 2L3C -KP1 -KP2 2L1A 2L2A 2L3A 2L1B 2L2B 2L3B 2L1C 2L2C 2L3C LD13234D Figure 24 - Power Options Connection Diagram (CONT’D) Quantech...
Page 92: Figure 24: Power Panel
Form QTC3-NM1 Section 5: Technical data Issue date: 12/19/2023 Power panel 035-21589-101 REV H Figure 24: Power Panel Quantech...
Page 93 Form QTC3-NM1 Section 5: Technical data Issue date: 12/19/2023 Figure 25 - Power Panel (CONT’D) Quantech...
Page 94 223A 227A 228A -ELINK 229A -J14 GND B PORT2A RS485 PORT2B RS232 PORT3 RS485 NB49 NB34 NB39 223A 123A GNDA 223I 123I GNDI -AMB 223E 123E GNDE -XTBC2 NB41 NB49 NB19 NB49 NB19 LD29090a Figure 25: Micro Panel Connections Quantech...
Page 95: Figure 25: Micro Panel Connections
2-TC:BRN 55 -J10 NB50 BST:BLK NB42 BST:RED SFE:BLK BST:SCR SFE:WHT -J11 A-POS J11/QPA1:BLK J11/QPA2:BLK SFE:BRN A-NEG J11/QPA1:RED J11/QPA2:RED SFE:BLU J11/QPA1:SCR J11/QPA2:SCR GNDA GNDB NB37 NB19 NB46 -F10 -J13 1.5A NB19 NB72 NB39 LD29090b Figure 26 - Micro Panel Connections (CONT’D) Quantech...
Page 96: Figure 26: Four Fan Units Dimensions - 3040The, 3050The, 3055The, 3060The, 3079The
Recommended minimum clearances: Side to wall – 6 ft; rear to wall – 6 ft; control panel to end wall – 4 ft; top – no obstructions allowed; distance between adjacent units – 10 ft. No more than one adjacent wall may be higher than the unit. Figure 26: Four Fan Units Dimensions – 3040THE, 3050THE, 3055THE, 3060THE, 3079THE Quantech...
Page 97: Figure 27: Four Fan Units Dimensions - 3070Tse, 3075Tse, 3085Tse
Recommended minimum clearances: Side to wall – 6 ft; rear to wall – 6 ft; control panel to end wall – 4 ft; top – no obstructions allowed; distance between adjacent units – 10 ft. No more than one adjacent wall may be higher than the unit. Figure 27: Four Fan Units Dimensions – 3070TSE, 3075TSE, 3085TSE Quantech...
Page 98: Figure 28: Four Fan Units Dimensions - 3070Tzj
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. Figure 28: Four Fan Units Dimensions – 3070TZJ Quantech...
Page 99: Figure 29: Five Fan Units Dimensions - 3090The
Recommended minimum clearances: Side to wall – 6 ft; rear to wall – 6 ft; control panel to end wall – 4 ft; top – no obstructions allowed; distance between adjacent units – 10 ft. No more than one adjacent wall may be higher than the unit. Figure 29: Five Fan Units Dimensions – 3090THE Quantech...
Page 100: Figure 30: Five Fan Units Dimensions - 3095Tzj
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. Figure 30: Five Fan Units Dimensions – 3095TZJ Quantech...
Page 101: Figure 31: Six Fan Units Dimensions - 3095Tse, 3100The, 3110Tse
Recommended minimum clearances: Side to wall – 6 ft; rear to wall – 6 ft; control panel to end wall – 4 ft; top – no obstructions allowed; distance between adjacent units – 10 ft. No more than one adjacent wall may be higher than the unit. Figure 31: Six Fan Units Dimensions – 3095TSE, 3100THE, 3110TSE Quantech...
Page 102: Figure 32: Eight Fan Units Dimensions - 3120The, 3125Tse, 3129The, 3140Tse
Recommended minimum clearances: Side to wall – 6 ft; rear to wall – 6 ft; control panel to end wall – 4 ft; top – no obstructions allowed; distance between adjacent units – 10 ft. No more than one adjacent wall may be higher than the unit. Figure 32: Eight Fan Units Dimensions – 3120THE, 3125TSE, 3129THE, 3140TSE Quantech...
Page 103: Figure 33: Eight Fan Units Dimensions - 3140Tzj
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. Figure 33: Eight Fan Units Dimensions – 3140TZJ Quantech...
Page 104: Figure 34: Ten Fan Units Dimensions - 3160Tse, 3150The, 3170The
Recommended minimum clearances: Side to wall – 6 ft; rear to wall – 6 ft; control panel to end wall – 4 ft; top – no obstructions allowed; distance between adjacent units – 10 ft. No more than one adjacent wall may be higher than the unit. Figure 34: Ten Fan Units Dimensions – 3160TSE, 3150THE, 3170THE Quantech...
Page 105: Figure 35: Twelve Fan Units Dimensions - 3205The, 3225The
Recommended minimum clearances: Side to wall – 6 ft; rear to wall – 6 ft; control panel to end wall – 4 ft; top – no obstructions allowed; distance between adjacent units – 10 ft. No more than one adjacent wall may be higher than the unit. Figure 35: Twelve Fan Units Dimensions - 3205THE, 3225THE Quantech...
Page 106: Weight Distribution And Isolator Mounting Positions
This informa- and location measurements for each isolator. tion will be available when the specific chiller/ option selection is made from the local Quantech sales office. Sample isolator location drawings Be aware, weights will change with each option along with possible isolator changes.
Page 107: Clearances
(2 m) (1.3 m) NOTES: 1. No obstructions allowed above the unit. 2. Only one adjacent wall may be higher than the unit. 3. Adjacent units should be 10 ft (3 m) apart. Figure 37: Unit Clearances – All Models Quantech...
Page 108: Isolator Locations
Form QTC3-NM1 Section 5: Technical data Issue date: 12/19/2023 Isolator locations Four fan isolator locations - 3040THE, 3050THE, 3055THE, 3060THE, 3079THE LD18078 Four fan isolator locations - 3070TSE, 3075TSE, 3085TSE LD18079 All dimensions are inches unless otherwise specified. Quantech...
Page 109 Form QTC3-NM1 Section 5: Technical data Issue date: 12/19/2023 Five and six fan isolator locations - 3090THE, 3110TSE, 3095TSE, 3100THE LD18080 Eight fan isolator locations - 3125TSE, 3140TSE, 3129THE LD18081 All dimensions are inches unless otherwise specified. Quantech...
Page 110 Form QTC3-NM1 Section 5: Technical data Issue date: 12/19/2023 Ten fan isolator locations - 3160TSE, 3150THE, 3170THE LD18082 Twelve fan isolator locations - 3205THE, 3225THE VIEW LD21040 All dimensions are inches unless otherwise specified. Quantech...
Page 111: Isolator Information
Type b model p/n RATED CAPACITY (LB) DEFLECTION RATED (IN.) COLOR CODE 029-25334-008 (433997) 1350 1.320 DK. PURPLE 029-25334-009 (433998) 1800 1.020 DK. GREEN 029-25334-010 (433999) 2400 0.900 GRAY 029-25334-012 (434000) 2720 0.770 WHITE 029-25334-013 (434001) 3570 0.880 GRAY / RED Quantech...
Page 112 10. Installation is complete. 4. Bolt or anchor all isolators to supporting structure utilizing base slotted holes (“C”). 5. Place equipment on top of isolators making sure that mounting holes of the equipment line up with isolator positioning pin (“H”). LD13790 Quantech...
Page 113 1200 1818 RED/BLACK 029-25336-013 (688697) 1450 2450 029-25336-014 (688698) 1690 1140 2892 PINK 029-25336-015 (688699) 2000 1318 3342 PINK/BLACK 029-25336-016 (688700) 2640 1854 4283 PINK/GRAY PINK/GRAY/ 029-25336-017 (688701) 3080 2004 4629 ORANGE PINK/GRAY/DK 029-25336-018 (688702) 3740 2134 4930 BROWN Quantech...
Page 114 13. Installation is complete. of (2) 5/8 UNC A325 grade 5 SAE bolts or weld ("G") ("E") ("A") ("A") ("E") GROMMET 1/4 - 3/8 GAP EQUIPMENT ("F") WASHER ("E") ("F") ("C") ("C") ("B") LD13763B Quantech...
Page 115 029-25335-001 (434002) CHARCOAL UP TO 825 UP TO 374 TYPE B MODEL P/N ISOLATOR COLOR WEIGHT RANGE (LB) WEIGHT RANGE (KG) 029-25335-002 (434004) BRICK RED 826 TO 1688 375 TO 766 029-25335-004 (434005) CHARCOAL 1689 TO 4000 767 TO 1814 Quantech...
Page 116 (“A”) be in- stalled on a level surface. Shim or grout as re- quired, leveling all isolator bases to the same elevation (1/32 in. maximum difference can be tolerated). TOP BOLT ("B") TOP WASHER ("C") ("B") ("A") SECTION D-D LD13762B Quantech...
Page 117: Section 6: Commissioning
Issue date: 12/19/2023 Section 6: Commissioning Commissioning of this unit should only coils with the full operating charge as given in Section be carried out by Quantech Authorized 5: Technical data. personnel. ALWAYS keep the water pump running when vacuuming the system, removing...
Page 118 To add oil to a circuit, complete the following steps: the system. Open the angle valve 1.5 turns. Close 1. Connect a Quantech hand oil pump (P/N 470- it after one pound is added. Wait another 15 min. 10654-000) to the 1/4 in. oil charging connection...
Page 119: Figure 38: Eev Ib-G Interface Board
SYSTEM SWITCHES tures, the coolers should be drained or power should be key are in the OFF position. applied to the chiller. This will allow the cooler heater to protect the cooler from freezing down to –20°F. Be- Quantech...
Page 120: Commissioning The Pump Vfd
There should be a straight run of at least 5 pipe diam- eters on either side of the flow switch. The flow switch should be connected to terminals 13 and 14 of XTBC1 on the panel. LD18420 Quantech...
Page 121 8. Change parameter 0-20 back to default value of option 1601 – “Reference [Unit]”. 9. Change parameter 0-22 back to default value of option 1610 – “Power [kW]”. 10. Put the VFD back into AUTO mode. LD18424 Quantech...
Page 122: Figure 39: Drive Display
Analog input 1 offset 23.5 1302 Analog input 1 scaling 1850 2007 Min frequency limit 2008 Max frequency limit See motor nameplate (50 Hz, 60 Hz) 2102 Stop mode 2202 Accel time 30.0 2203 Decel time 30.0 2601 Energy optimizer Quantech...
Page 123: Figure 40: Circuit Breaker Panel
5. Set l3 to 10, which is the sum of all dip switches 2. Set l1, the trip setting. in the up position. l1 = ln x (0.4 + the sum of the dip There are no requirements for adjusting the other switch settings) switches. LD29345 Figure 40: Circuit breaker panel Quantech...
Page 124: Determining Proper Oil Levels
1/8 to full SG Bottom of SG Bottom of SG 1/8 to full SG Bottom of SG Bottom of SG Bottom of SG Bottom of SG 1/8 to full SG Bottom of SG 1/8 to full SG Bottom of SG Quantech...
Page 125 ... Note: Power must be applied 24 hours before start-up. Each 9. Check that all power is wired to the chiller and meets heater should draw approximately 0.5 A to 1 A. the following NEC and local codes. Quantech Quantech...
Page 126 5. Turn system 2 OFF and leave system 1 running. Refer to QTC3-ICOM6, Section 6: Operations, Unit External evaporator pump Keys for more information on system switches..Quantech hydro kit pump 6. Connect a manifold gauge to system 1 suction and Pump selection discharge service valves ..........
Page 127 15 min, between adjustments for the system and the thermal expansion valve to respond and stabilize. Ensure that superheat is set at a minimum of 10°F (5.56°C) with a single compressor running on each circuit. Quantech Quantech...
Page 128 Form QTC3-NM1 Section 6: Commissioning Issue date: 12/19/2023 This page is intentionally left blank. Quantech...
Page 129: Section 7: Unit Controls
LD19046 Introduction IPU II and I/O boards The Quantech Control Center is a microprocessor based The IPU and I/O boards are assembled to function as control system designed to provide the entire control a single microprocessor controller. The IPU II board for the liquid chiller.
Page 130: Transformer
1 a second. Display Messages may show characters indicating “greater than” (>) or “less than” (<). These characters indicate the actual values are greater than or less than the limit values which are being displayed. Quantech...
Page 131: Status Key
OPTIONS is turned OFF. The system will not be al- The REMOTE CONTROLLED SHUTDOWN mes- lowed to run until the switch is turned back ON. sage indicates that either an ISN system or RCC has turned the unit OFF, not allowing it to run. Quantech...
Page 132 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. when in the MANUAL OVERRIDE mode. MANUAL Quantech...
Page 133 40 psig below the cutout. Discharge transducers must be installed for this function to operate. Quantech...
Page 134 1 H I G H M T R C U R R 90 minutes and the fault cannot be reset until the fault S Y S H I G H M T R C U R R condition is resolved. Quantech...
Page 135 On units with two pumps, duty and standby: This indi- trip voltage for 5 seconds. cates that both the manual motor starters protecting the pumps from short circuit or overload conditions have Quantech...
Page 136 The Motor Protector/High Pressure Cutout protects the System safety motor from overheating or the system from experienc- Discharge pressure cutout ing dangerously high discharge pressure. This fault condition is present when CR1 (SYS 1) or CR2 (SYS When the operating envelope is disabled, the discharge Quantech...
Page 137 Fault and inhibit codes and reset Table 14 on page 122 shows the fault and inhibit codes and how to reset them. There are three ways to reset the fault and inhibit. See on page 103 for more information. Quantech...
Page 138: Table 15: Qtc3 Fault And Inhibit Codes
Low Discharge Superheat Auto Table 16: Legend Type Definition Automatically restarts on the first and second fault with a lockout on the third fault in 90 minutes Locks out on the first fault Auto Allows restart once meeting the required conditions Quantech...
Page 139: Figure 43: Status Key Messages Quick Reference List
Sys 1 Low Suct SHeat Sys 2 Low Suct SHeat Manual Overide Status Sys 1 Low Dsch SHeat Check Liq Temp Sens System X Pumping Down (on shutdown) Sys 2 Low Dsch SHeat LD11297B Figure 43: Status Key Messages Quick Reference List Quantech...
Page 140: Display/Print Keys
A M B I E N T A I R 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 141 A detailed description of unit loading and unloading is perature rises above 45°F the heater is turned OFF. An covered under the topic of Capacity Control. under voltage condition will keep the heater OFF until full voltage is restored to the system. Quantech...
Page 142 LOAD LIM – Load limiting enabled using contact clo- sure. See Standard condenser fan control on page 175 for more information. PWM TEMP – EMS temperature reset *See Remote BAS/EMS temperature reset using a voltage or current signal on page 180. Quantech...
Page 143: Figure 44: Operation Data
3MIN Current Feedback One Per System BIVALENT HEAT DELAY TIME 30 MIN REMOTE UNIT ID PROGRAMMED QUANTECH HYDRO KIT PUMPS 1(410a) * Block of information repeats for each system LD12585 PUMP TOTAL RUN HOURS XXXXX (410a) UNIT DATA Figure 44: Operation data RETURN LIQUID TEMP 58.2 DEGF...
Page 144 JOHNSCON CONTROLS INTERNATIONAL THU START=00:00AM STOP=00:00AM CORPORATION FRI START=00:00AM STOP=00:00AM MILLENNIUM LIQUID CHILLER SAT START=00:00AM STOP=00:00AM HOL START=00:00AM STOP=00:00AM SAFETY SHUTDOWN NUMBER 1 SHUTDOWN @ 3:56PM 29 SEP 07 SYS 1 HIGH DSCH PRESS SHUTDOWN SYS 2 NO FAULTS Quantech...
Page 145 X X X X X X X X X X Displays the type of Ambient Control; Standard or Low Ambient. L O C A L / R E M O T E M O D E X X X X X X X X X Quantech...
Page 146 A M B I E N T A I R T E M P Displays the System Suction Temp and Saturated Suc- X X X . X ° F tion Temp when an EEV is installed. Quantech...
Page 147 C. M X X. Z Z. Y Y S Y S A C T U A L A M P S I / O C. M X X. 1 8. Y Y = X X X . X A M P S Quantech...
Page 148: 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 149: Setpoints Keys
After adjusting the setpoint, the ENTER/ADV key point display entry screen will appear. must be pressed to enter the data into memory. Notice that the RANGE was programmed for +/- X.X°F. This indicates the SETPOINT to be in the Quantech...
Page 150: Schedule/Advance Day Key
ISN control, remote reset option board, or remote PWM signal. These setpoints would only be To set the schedule, press the SCHEDULE/ADVANCE valid if the unit was operating in the REMOTE mode. DAY key. The display will immediately show the fol- lowing display. Quantech...
Page 151: Table 17: Cooling Setpoint, Programmable Limits, And Defaults
30°F (-1.1°C). * When using glycol, Leaving Chilled Liquid Setpoint must not be set below 10°F (-23.3°C). ** If the setpoint exceeds 55°F (12.8°C), contact the nearest Quantech Office for application guidelines. After SUN (Sunday) schedule appears on the display...
Page 152: Program Key
Typically, the cutout should be set to 87 psig (6.00 bar) form water cooling. F A N C O N T R O L P R E S S U R E X X X P S I G Quantech...
Page 153 OPER DATA key. The approximate C U T O U T = XXXX PSIG programmed value is calculated using the following A N T I - V A C D E L A Y T I M E formulas. S E C Quantech...
Page 154: Table 18: Program Key Limits And Default
30 s — 247 psig 345 psig 247 psig VSD fan low pressure limit — 17.03 barg 23.78 barg 17.03 barg 350 psig 450 psig 450 psig VSD fan high pressure limit — 24.13 barg 31.03 barg 31.03 barg Quantech...
Page 155: Figure 45: Setpoints Quick Reference List
* The minimum discharge pressure allowed is 235 psig. The high limit for fan differential off pressure is reduced to prevent going below 235 psig based on where the fan control on pressure is programmed. LD07404c Figure 45: Setpoints Quick Reference List Quantech...
Page 156: Table 19: Program Key Limits And Default
Evaporator pump control — — EXTERNAL, EXTERNAL KIT PUMPS 1 or KIT PUMPS 2 Evaporator pump total run hours (R-410A/ R-454B chiller or heatpump) 99999 — (1 Inc./Dec. per entry position) R-410A/R-454B Control Mode — — LEAVING or LEAVING RETURN Quantech...
Page 157 GRAM, ↓, ↑, ↑, ↓, ENTER in sequence. 3. To select the required option, use the ↑ and ↓ keys. See on page 103 and on page 103 for the mod- ified limits when the low temperature glycol is enabled. Quantech...
Page 158: Unit Keys
O F F English, Spanish, French, German, Italian, Portuguese, This turns systems 1 and 2 OFF. Hungarian, Polish, and Swedish can be programmed. Turning a system OFF with its system switch allows a pumpdown to be per- formed before shutdown. Quantech...
Page 159 ISN to control the following items: Re- mote Start/Stop, Cooling Setpoint, Load Limit, and History Buffer Request. If the unit receives no valid ISN transmission for 5 minutes, it will revert back to the locally programmed values. Quantech...
Page 160 This mode must be chosen. F A N C O N T R O L A M B I E N T & D S C H P R E S S Do not select this option on R-410A chillers. Quantech...
Page 161 A Flash Card is used to input the operating program cessor will store the change. into the chiller IPU. A Flash Card is used instead of an EPROM. Normally, a Flash Card update is not required and the message above will be displayed. Quantech...
Page 162 P U M P S After the update is completed, an automatic reboot will When Quantech HYDRO KIT PUMPS = 1, the con- occur. If an error occurred, the following message will trols will be closed to run the pumps whenever any one appear with the error code and no reboot will occur.
Page 163 Option 21: Flash card data logging The displays for this PUMP SELECTION option When the following message appears, data logging is should only appear if “QUANTECH HYDRO KIT disabled. PUMPS = 2” are selected under Option 19. D A T A L O G...
Page 164 Pressing the ENTER/ADV key will save the valve and wise the daily schedule will not function as required if move the cursor on to the next programmable variable. programmed. In addition, for ease of troubleshooting via the History printouts, the day, time, and date should be correct. Quantech...
Page 165: Figure 46: 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) LD07405d Figure 46 provides a quick reference list for the Unit key setpoints. Figure 46: Unit Keys Options Programming Quick Reference List Quantech...
Page 166: Bacnet, Modbus, N2, And Yorktalk 2 Communications
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 22 on page 169 for error descriptions Quantech...
Page 167: Figure 47: Micro Panel Connections
P1, P2 PARITY NONE IGNORE NONE NONE, EVEN, ODD, IGNORE SELECTABLE P1 PROTOCOL BACNET BACNET BACNET, API SELECTABLE P2 PROTOCOL TERMINAL MODBUS CLIENT TERMINAL, MODBUS IO, MODBUS SERVER, API, MODBUS CLIENT SELECTABLE P1, P2 STOP BITS RESET REAL TIME ERROR Quantech...
Page 168: Table 21: Values Required For Bas Communication
Go to the Johnson Controls Chillers Address for these points is 1537 + BV #. Knowledge Exchange website for the most up-to-date SC-EQ BAS point maps: https://docs.johnsoncontrols.com/chill- ers/. You can also contact your local Quantech office for a copy of the data map. Quantech...
Page 169: Table 22: Real Time Error Numbers
4. Water Cooled Scroll units use the same firmware as Air Cooled Scroll units, ignoring Fan Control. The following table shows the real time error numbers that may be encountered during communication setup and a description of each. Quantech...
Page 170 Knowledge Exchange website for the control values. These values are found under feature 54 most up-to-date SC-EQ BAS point maps: in the E-Link Gateway. https://docs.johnsoncontrols.com/chill- ers/. You can also contact your local Quantech office for a copy of the data map. Quantech...
Page 171: Section 8: Unit Operation
6. If demand requires, the lag system will cycle ON with the same timing sequences as the lead system after the lead system has run for five min- utes. See the section on Capacity Control for a detailed explanation of system and compressor staging. Quantech...
Page 172: Suction Pressure Limit Controls
Upon energizing any compressor, the 60 sec- can be from plus or minus1.5°F to plus or minus 2.5°F ond Anti-Coincidence timer will be initiated to prevent (plus or minus 0.83°C to 1.39°C).leaving chilled liquid multiple compressors from turning ON. control. Quantech...
Page 173: Leaving Chilled Liquid Control Override To Reduce Cycling
50°F, the setpoint high limit is set to 50°F and the dif- ference is added to the setpoint low limit. When a system runs for greater than 5 minutes, the set- point adjust sets back to 0. This occurs while the sys- tem is still running. Quantech...
Page 174: Leaving Chilled Liquid System Lead/Lag And Compressor Sequencing
Return chilled liquid system lead/lag and compressor sequencing Evaporator pump control and Quantech hydro kit pump control A Lead/Lag option may be selected to help equalize average run hours between systems with 2 refriger- The evaporator pump dry contacts (XTBC2 – Termi- ant systems.
Page 175: Evaporator Heater Control
385 psig with a operating mode to lock the switch electronically. differential of 125 psig. To unlock the flow switch, perform the same oper- ation again. The setting remains the same in case of power failure. Quantech...
Page 176: Figure 50: Condenser Fan Locations
=2-MF2 =1-MF5 =1-MF4 =1-MF3 =2-MF1 =2-MF2 =1-MF6 =1-MF5 =1-MF4 =2-MF3 =2-MF4 =2-MF5 =1-MF2 =1-MF1 =2-MF3 =2-MF4 =1-MF3 =1-MF2 =1-MF1 YLAA0200HE, YLAA0230HE =2-MF1 =2-MF2 =2-MF3 =1-MF6 =1-MF5 =1-MF4 =2-MF4 =2-MF5 =2-MF6 =1-MF3 =1-MF2 =1-MF1 LD27281a Figure 50: Condenser Fan Locations Quantech...
Page 177: Table 24: Qtc3 Standard Condenser Fan Control Using Discharge Pressure Only (2, 3, Or 4 Fans Per System)
20 seconds. ** When a fan stage is turned off (Programmed ON pressure minus the differential), the OFF pressure for the next stage is decreased 20 psig and ramped back to the programmed OFF pressure minus the differential. Quantech...
Page 178: Table 25: Qtc3 Standard Condenser Fan Control Using Discharge Pressure Only (5 Or 6 Fans Per System)
20 seconds. ** When a fan stage is turned off (Programmed ON pressure minus the differential), the OFF pressure for the next stage is decreased 20 psig and ramped back to the programmed OFF pressure minus the differential. Quantech...
Page 179: Load Limiting
The first stage of limiting is either 80%, 66% or 50%, ences a loss of power to the chiller electronics . System 1 alarm contacts are located at XTBC2 – Terminals 29 Quantech...
Page 180: Remote Bas/Ems Temperature Reset Using A Voltage Or Current Signal
New Setpoint = 7.22°C + 6.67°C = 13.89°C * Max Reset Value is the “Max EMS-PWM Remote Temp. Reset” setpoint value described in Remote setpoint control on page 150 under “Cooling Setpoints”. Programmable values are from 2°F to 40°F (1.11°C to 11.11°C). Quantech...
Page 181: Section 9: Service And Troubleshooting
REFRIGERANT TYPE (R-410A only) in this mode. Otherwise, turning the unit switch ON EXPANSION VALVE TYPE (Thermostatic Only) will take the panel out of Service Mode. REMOTE TEMP RESET OPTION = REMOTE INPUT SERVICE TIME = Quantech...
Page 182: Service Mode, Chiller Configuration
** The suction temp. sensor is on EEV units only. FEATURE SET The analog inputs will display the input connection, PUMP CONTROL SELECTION the temperature or pressure, and corresponding input SYS 1 HOURS voltage such as: SYS 2 HOURS SYS 1 STARTS Quantech...
Page 183: Control Inputs/Outputs
Return Chilled Liquid Temp. Sensor 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 30: I/O Analog Outputs Not Applicable Quantech...
Page 184: Figure 51: Microboard Layout
Form QTC3-NM1 Section 9: Service and troubleshooting Issue date: 12/19/2023 I/O BOARD BOARD TB10 LD12721 Figure 51: Microboard Layout Quantech...
Page 185: Checking Inputs And Outputs
J6-6 = +5 VDC regulated supply to sensor. J6-9 = VDC input signal microboard. See Table 31 on page 185 for voltage readings that correspond to specific outdoor tempera- tures. J6-3 = drain (shield connection = 0 VDC) return Quantech...
Page 186: Table 32: Entering/Leaving Chilled Liquid Temp. Sensor, Temperature/Voltage Correlation
650 psig. The output will be linear from 0.5 VDC to 3.54 4.5 VDC over the 600 psig (41.25 barg) range. Follow- ing is the formula that can be used to verify the volt- age output of the transducer. All voltage reading are in reference to ground (unit case). Quantech...
Page 187: Table 33: Pressure Transducers
The voltage applied to either of these J9-6 = +5 VDC regulated supply to transducer. terminals would be determined by field wiring. J9-11 = VDC input signal to the microboard. See the formula above for voltage readings that correspond to specific discharge pressures. Quantech...
Page 188: Figure 52: I/O Board Relay Contact Architecture
SYS 2 TB10-5 COMPR 3 (6) SYS 2 TB10-7 HGSV TB10-8 TB10 SYS 2 TB10-9 FAN 2 SYS 2 TB10-10 FAN 4 TB8-6 EVAP PUMP TB8-7 HEAT EXCH TB8-2 HEATER LD12722 Figure 52: I/O Board Relay Contact Architecture Quantech...
Page 189: Table 34: Data Logging To Flash
Sys 1 Discharge Temperature (discharge temperature sensors S1 Dsch Temp °F enabled) Sys 1 EEV Command (0 – 100%) 031-02755-001, -003 S1 EEV Cmd Sys 1 EEV Command (0.0 – 100.0%) 031-02755-004 S1 EEV PWM Sys 1 EEV PWM (0 – 100%) 031-02755-001, -003 Quantech...
Page 190 Sys 1 CSHALG_DIMINISHED_PID_ACTIVE_INDEX S1 Dim PID Index (0 = Disable, 1 = Active) Sys 1 CSHALG_ALGORITHM_CONTROL_ACTIVE S1 Alg Ctrl Act (0 = Disable, 1 = Enable) Sys 1 CSHALG_SUPERHEAT_EXCURSIONS_INDEX S1 Sheat Ex In (0 – 255 in x1 format) Quantech...
Page 191: Optional Printer Installation
Detailed explanation of the print function is tion, 25 ft (7.62 m) maximum length. given under Print key on page 143. 4. One 25 pin Cannon connector and shell. 5. Cannon P/N DB-25P connector, or equivalent. 6. Cannon P/N DB-C2-J9 shell. Quantech...
Page 192: Figure 53: Printer To Microboard Electrical Connections
Printer Chiller Microboard TB3-3 TXD 2 RD TB3-2 CTS 5 CTS 7 SG TB3-5 GND Do not connect shield Shield (connect shield to Pin 5 at printer end. of the connector. LD12723 Figure 53: Printer to microboard electrical connections Quantech...
Page 193: Troubleshooting
5. Defective IPU II & I/O Board or 5. Replace IPU II & I/O Board or the Display the Display Board. Board. Contact Quantech Service be- fore replacing circuit Boards! 1. No chilled liquid flow. 1. Check chilled liquid flow.
Page 194 3. Contactor/Overload failure. 3. Replace defective part. 4. Compressor failure. 4. Diagnose cause of failure and replace. 1. Fouled evaporator surface. 1. Contact the local Quantech service Low suction pressure will be representative. observed. 2. Improper flow through the 2. Reduce flow to within chiller design specs.
Page 195: Section 10: Maintenance
Important If system failure occurs due to improper maintenance Condenser round tube coils during the warranty period, Quantech will not be liable Ensure dirt does not accumulate on the condenser coil for costs incurred to return the system to satisfactory surfaces.
Page 196 • Do not use caustic or acidic cleaning solutions on 3. Apply a coil cleaning solution approved by Quan- tech. Quantech approves the use of RectorSeal coils. Only use cleaning solutions approved by brand GulfClean coil cleaner, or equivalent, Quantech.
Page 197 3. Apply a coil cleaning solution approved by Quan- the following section to touch-up the e-coat after tech. Quantech approves the use of RectorSeal cleaning. brand GulfClean coil cleaner, or equivalent, on...
Page 198: Operating Parameters
Perform regular checks on the system to ensure that operating temperatures and pressures are within limi- tations, and that the operating controls are set within proper limits. See Section 8: Unit operation, Section 6: Commissioning, and Section 4: Installation. Quantech...
Page 199: Table 37: 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 200: Table 38: R-410A Pressure Temperature Chart
Form QTC3-NM1 Section 10: Maintenance Issue date: 12/19/2023 Table 38: R-410A pressure temperature chart psig Temperature, ˚F psig Temperature, ˚F Quantech...
Page 201: Table 39: R-454B Pressure Temperature Chart
Form QTC3-NM1 Section 10: Maintenance Issue date: 12/19/2023 Table 39: R-454B pressure temperature chart psig Temperature, ˚F psig Temperature, ˚F – – – – – Quantech...
Page 202: 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 203 Form QTC3-NM1 Section 10: Maintenance Issue date: 12/19/2023 This page is intentionally left blank. Quantech...
Page 204 Quantech Incorporated www.Quantech-HVAC.com Subject to change without notice. Printed in USA Copyright © 2023 All Rights Reserved Form QTC3-NM1 (1223) Issue Date: December 19, 2023 Supersedes: QTC3-NM1 (1123)

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