Quantech QTC40160 Скачать руководство пользователя страница 16

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Quantech

Section 2 - Product description

Form QTC4-NM2

Issue date: 05/12/2023

Oil separators use no moving parts. Oil cooling is ac-

complished by refrigerant leaving the eductor flashing

in the suction line which cools the oil, motor, and com-

pressor.
An integral liquid cooled, transistorized, PWM, VSD

is controlled by the chiller microprocessor control

panel to start/stop, select compressors to run, and select

compressor speed. Displacement Power Factor is 0. 95

at part or full load.

The chiller microprocessor communicates with the

VSD Logic Board using a three-wire RS-485 opto

coupled data link. The VSD Logic Board runs the

number of compressors required to meet the load and

the compressors to the speed requested by the chiller

microprocessor.
The basic system control and VSD system

architecture is shown in

Figure 2 on page 16

Figure 2 -

Chiller control system

LD15028

Inputs

Pressure transducers

Temperature sensors

Switches

Liquid flow

High pressure

Start / stop

Level

Customer supplied

contacts

Control panel

Chiller control

board

Microprocessor

user interface

display and

keypad

Display

Keypad

Motor

Outputs

Relay output board

Solenoids

Contactors

Alarm

Pump

Compressor heater

Run status

Evaporator heater

VSD

VSD logic board

SCR trigger board

Power components

PWM (speed control)

Communications

Building automation

printer modem

LD15158

3 phase power line

AC/DC Rectifier

Power Driver

IGBT Gate Driver

VSD Logic Board

Inverter

PWM Signal

Signal From Main Control Panel

Rectifier

Compressor 1

Compressor 2

Rectifier Controller

SCR Trigger Board

(IGBT)

Содержание QTC40160

Страница 1: ...tenance New Release Form QTC4 NM2 523 R 134a or R 513A 525 kW to 1 934 kW 2 Compressor 50 Hz and 60 Hz Model QTC4 Style B Air Cooled Screw Liquid Chillers with Variable Speed Drive Frame Sizes 016 to...

Страница 2: ...horized rigging installation and operating service personnel It is expected that these individuals possess independent training that will enable them to perform their assigned tasks properly and safel...

Страница 3: ...ohnson Controls Service office or accessing the John son Controls Knowledge Exchange website at https docs johnsoncontrols com chillers It is the responsibility of rigging lifting and operat ing or se...

Страница 4: ...been certified in accordance with EPASection 608 of the CleanAirAct requirements for the US or equivalently the Federal Halocarbon Regulations and the Refrigerant Code of Practice for Canada Refrigera...

Страница 5: ...er and verify using a non contact voltage sensor The DC voltage on the VSD DC Bus will take 5 min to bleed off after AC power is removed Always check the DC Bus Voltage with a Voltmeter to ensure the...

Страница 6: ...control center 18 Accessories and options 19 Fan options 19 Condenser coils 19 Section 3 Rigging handling and storage 23 Lifting weights 23 Delivery and storage 23 Inspecting the delivery 24 Moving th...

Страница 7: ...Two inch deflection restrained spring isolator specifications 93 Section 6 Commissioning 95 Preparation 95 First time startup 98 General operation 98 Freeze damage protection 98 Section 7 Operation 10...

Страница 8: ...ant charge for service 169 Checking and trimming the refrigerant charge 170 Definitions 170 Checking the refrigerant charge during unit shutdown 170 Microchannel coil cleaning 171 Cleaning procedure r...

Страница 9: ...or connections 70 Figure 25 Optional two pass left side inlet outlet connections 72 Figure 26 Standard two pass left side inlet outlet connections 74 Figure 27 Optional three pass inlet outlet connect...

Страница 10: ...oad limiting unloading 114 Table 24 Start inhibit sensor thresholds 115 Table 25 System sensor minimum and maximum outputs 124 Table 26 Compressor overload settings 126 Table 27 Setpoint limits 136 Ta...

Страница 11: ...o Form 50 05 NM2 Quantech warrants all equipment and materials against defects in workmanship and materials for a period of eighteen months from date of shipment or 12 months from date of startup whic...

Страница 12: ...e gases covered by the Kyoto Protocol The global warming potential of the refrigerant R 134a is 1300 The global warming potential for R 513A is 546 Both use the integrated time of 100 years based on I...

Страница 13: ...his equipment Class A Group 1 is designed and manufactured for use in an industrial environment in accordance with EN 61000 6 2 2005 and EN 61000 6 4 2007 with EN 55011 2007 limits It is not intended...

Страница 14: ...ormation Manufacturer Safety Data Sheets MSDS information can be obtained by calling 800 451 8346 in the US or by emailing SDS verisk3e com Provide the product name manufacturer part number and the sp...

Страница 15: ...cription The QTC4 Chiller combines the best of modern screw compressor design with the latest technology in vari able speed drives VSD The result is superior control and efficiency in real world condi...

Страница 16: ...he compressors to the speed requested by the chiller microprocessor The basic system control and VSD system architecture is shown in Figure 2 on page 16 Figure 2 Chiller control system LD15028 Inputs...

Страница 17: ...is 375 psig 25 9 barg Multiple standard low sound high efficiency variable speed drive motor driven fans move air through the coils They are dynamically and statically balanced direct drive with corr...

Страница 18: ...cts and run signal contacts The microcomputer control center comes online as soon as the main power switch on the unit is switched on immediately the microcomputer control center will begin to check a...

Страница 19: ...ce the chiller to a lower sound level on demand The Si lentNight control option provides a control input to limit sound output of the chiller based on time of day This feature is programmable at the c...

Страница 20: ...s have inlet and outlet connections on the opposite ends Water Box Heater Unless an appropriate freeze pro tection fluid is used in the chilled fluid circuit optional water box heaters are required if...

Страница 21: ...lock connections must be provided at the point of incoming single point connection for field connection and interconnecting wiring to the compres sors Separate external protection must be supplied by...

Страница 22: ...Quantech 22 Form QTC4 NM2 Issue date 05 12 2023 This page is intentionally left blank...

Страница 23: ...h as water connec tions Do not store the chiller where it is exposed to high ambient air temperatures that may exceed relief valve settings Refer to Long Term Storage Requirement Field Preparation For...

Страница 24: ...ins or straps until the unit begins to move and then slowly pull the unit from the container Pull straight so the sides do not scrape the container 4 Place a lifting fixture on the forks of the lift t...

Страница 25: ...le 1 Unit lifting point locations Lifting the unit using shackles Insert the shackles into the respective holes in the base frame and secure from the inside Use spreader bars to avoid lifting chains h...

Страница 26: ...5 118 23 3003 0 199 49 5067 0 261 5 6642 2 QTC40220 13 67 347 3 113 3 2878 1 167 42 4252 5 253 22 6431 9 349 41 8874 9 QTC40235 13 67 347 3 101 5 2578 1 159 55 4052 5 253 22 6431 9 349 41 8874 9 QTC40...

Страница 27: ...TC40310 13 67 347 3 101 5 2578 1 159 55 4052 5 253 22 6431 9 305 6 7762 3 455 86 11578 9 QTC40340 13 67 347 3 101 5 2578 1 159 55 4052 5 253 22 6431 9 305 6 7762 3 455 86 11578 9 QTC40495 13 67 347 3...

Страница 28: ...55 4052 5 253 22 6431 9 305 6 7762 3 413 48 10502 3 443 08 11254 2 529 69 13454 2 QTC4 0405 13 67 347 3 101 5 2578 1 159 55 4052 5 253 22 6431 9 305 6 7762 3 413 48 10502 3 443 08 11254 2 529 69 1345...

Страница 29: ...tions or on steel channels of suitable strength Space the channels with the same centers as the unit side and front base rails This allow you to fit vibra tion isolators if required Isolators are reco...

Страница 30: ...nd safety regulations or practical considerations for service replacement of large compo nents may require larger clearances than those recommended Table 2 Minimum evaporator tube removal clearance Mo...

Страница 31: ...r and wired back to the control panel using shielded cable There must be a straight run of piping of at least 5 pipe diameters on either side Wire the flow switch to Terminals 2 and 13 on the 1TB term...

Страница 32: ...freeze protection If there is a potential for power loss Quantech requires that the evaporator is drained or that water in the chilled water circuit be replaced with an appropriate water to glycol co...

Страница 33: ...tem that is the more the better which in turn promotes stable water temperature control and increases reliabil ity by reducing compressor cycling For air conditioning applications a minimum of 3 gal t...

Страница 34: ...ings The QTC4 has special control logic to be able to pro duce chilled leaving brine temperatures below 40 F 4 4 C so as to supply a storage tank with chilled liq uid during times of low demand QTC4 c...

Страница 35: ...5 22 216 8 2 0235 6 DIN150 170 5 27 285 241 5 22 216 8 2 0240 6 DIN150 170 5 27 285 241 5 22 216 8 2 0245 6 DIN150 170 5 27 285 241 5 22 216 8 2 0250 6 DIN150 170 5 27 285 241 5 22 216 8 2 0260 6 DIN1...

Страница 36: ...sufficient diameter so as not to cause resistance to the operation of the valve Unless otherwise specified by local regulations Internal diameter depends on the length of pipe required and is given by...

Страница 37: ...tering the power panel to ensure moist air from the building cannot enter the panel Power supply wiring Units require only one 3 phase supply plus earth Connect the 3 phase supplies to the circuit bre...

Страница 38: ...p 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 Ensure that...

Страница 39: ...Utilization range 200 60 3 180 220 230 60 3 208 254 380 60 3 342 418 400 60 3 360 440 460 60 3 414 508 575 60 3 520 635 400 50 3 360 440 Power supply wiring Single point wiring LD18588a UNIT MOUNTED E...

Страница 40: ...RESSOR SYSTEM 1 COMPRESSOR SYSTEM 2 L1 L2 L3 PE GND PE GND L1 L2 L3 380 415 3 50 460 3 60 380 415 3 50 460 3 60 SEE NOTE 1 SEE NOTE 1 SEE NOTE 1 FIELD PROVIDED UNIT POWER SUPPLY FIELD PROVIDED UNIT PO...

Страница 41: ...STOMER CONNECTIONS TERMINAL BLOCK FOR YORK CONNECTIONS WIRING AND COMPONENTS BY YORK OPTIONAL EQUIPMENT WIRING AND OR COMPONENTS BY OTHERS RELAY BOARD No 2 RELAY BOARD No 1 CONTROL BOARD Customer cont...

Страница 42: ...N PIPE COUPLING 1 13 1 88 13 2 2 VSD RED WHT RED BLK RED YEL NOT USED RED TO 115 V AC SUPPLY TO FLOW SWITCH INPUT TERMINALS 2 AND 13 Flow switch connections Wire color Connection in VSD panel Red blac...

Страница 43: ...under low ambient The customer needs to break the reserved customer wiring entry as shown in Figure 21 with the wiring going through an appropriate 90 conduit After connecting the wires water proofing...

Страница 44: ...n the evaporator is filled with water in waterside The recommended power supply wiring size is 18 4 AWG Before turning on the breaker make sure the evaporator is filled with water Misop eration may vo...

Страница 45: ...mil 2 1 500 kcmil 2 2 600 kcmil 0200 2004 200 60 4 2 600 kcmil 230 60 4 2 600 kcmil 4 4 0 500 kcmil 380 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmi...

Страница 46: ...kcmil 4 4 0 500 kcmil 380 60 2 2 600 kcmil 2 2 0 500 kcmil 2 2 600 kcmil 400 50 2 2 600 kcmil 2 2 0 500 kcmil 2 2 600 kcmil 460 60 2 2 600 kcmil 2 2 0 500 kcmil 2 2 600 kcmil 575 60 2 2 600 kcmil 2 1...

Страница 47: ...600 kcmil 4 4 0 500 kcmil 380 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 460 60 2 2 600 kcmil 2 1 500 kcmil 3 2 600 kcmil 575 60 2 2 600 kcmil 2...

Страница 48: ...600 kcmil 4 4 0 500 kcmil 380 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 460 60 2 2 600 kcmil 2 1 500 kcmil 3 2 600 kcmil 575 60 2 2 600 kcmil 2...

Страница 49: ...2 600 kcmil 4 4 0 500 kcmil 380 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 460 60 2 2 600 kcmil 2 1 500 kcmil 3 2 600 kcmil 575 60 2 2 600 kcmil...

Страница 50: ...l 230 60 4 2 600 kcmil 4 4 0 500 kcmil 380 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 460 60 2 2 600 kcmil 2 1 500 kcmil 3 2 600 kcmil 575 60 2 2...

Страница 51: ...kcmil 4 2 600 kcmil 400 60 3 2 600 kcmil 4 4 0 500 kcmil 4 2 600 kcmil 400 50 3 2 600 kcmil 4 4 0 500 kcmil 4 2 600 kcmil 460 60 3 2 600 kcmil 3 3 0 400 kcmil 4 2 600 kcmil 575 60 3 2 600 kcmil 3 3 0...

Страница 52: ...2 600 kcmil 3 3 0 400 kcmil 4 2 600 kcmil 575 60 3 2 600 kcmil 3 3 0 400 kcmil 4 2 600 kcmil 0365 2205 2605 200 60 230 60 380 60 4 2 600 kcmil 4 4 0 500 kcmil 4 4 0 500 kcmil 400 60 4 2 600 kcmil 4 4...

Страница 53: ...0 60 2 2 600 kcmil 2 1 500kcmil 2 1 500kcmil 575 60 2 2 600 kcmil 2 1 500kcmil 2 1 500kcmil 0395 2205 2605 200 60 230 60 380 60 3 2 600 kcmil 3 3 0 400kcmil 3 3 0 400kcmil 400 60 3 2 600 kcmil 3 3 0 4...

Страница 54: ...l 3 3 0 400kcmil 3 3 0 400kcmil 400 60 3 2 600 kcmil 3 3 0 400kcmil 3 3 0 400kcmil 400 50 3 2 600 kcmil 3 3 0 400kcmil 3 3 0 400kcmil 460 60 2 2 600 kcmil 2 1 500kcmil 2 1 500kcmil 575 60 2 2 600 kcmi...

Страница 55: ...kcmil 0200 2004 200 60 4 1 0 700 kcmil 230 60 4 2 600 kcmil 4 4 0 500 kcmil 380 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 460 60 3 2 600 kcmil...

Страница 56: ...2 2 600 kcmil 0175 2004 200 60 4 1 0 700 kcmil 230 60 4 2 600 kcmil 4 4 0 500 kcmil 380 60 2 2 600 kcmil 2 1 500 kcmil 3 2 600 kcmil 400 50 2 2 600 kcmil 2 1 500 kcmil 3 2 600 kcmil 460 60 2 2 600 kc...

Страница 57: ...600 kcmil 0250 2005 200 60 4 1 0 700 kcmil 230 60 4 2 600 kcmil 4 4 0 500 kcmil 380 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 460 60 3 2 600 kcm...

Страница 58: ...0 500 kcmil 380 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 460 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 575 60 2 2 600 kcmil 2 1 500 kcmil...

Страница 59: ...4 0 500 kcmil 380 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 460 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 575 60 2 2 600 kcmil 2 1 500 kcm...

Страница 60: ...230 60 4 2 600 kcmil 4 4 0 500 kcmil 380 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 460 60 3 2 600 kcmil 3 3 0 400 kcmil 3 2 600 kcmil 575 60 2...

Страница 61: ...600 kcmil 400 60 4 2 600 kcmil 4 4 0 500 kcmil 4 2 600 kcmil 400 50 4 2 600 kcmil 4 4 0 500 kcmil 4 2 600 kcmil 460 60 3 2 600 kcmil 4 4 0 500 kcmil 4 2 600 kcmil 575 60 3 2 600 kcmil 3 3 0 400 kcmil...

Страница 62: ...il 400 60 4 2 600 kcmil 4 4 0 500 kcmil 4 2 600 kcmil 400 50 4 2 600 kcmil 4 4 0 500 kcmil 4 2 600 kcmil 460 60 3 2 600 kcmil 4 4 0 500 kcmil 4 2 600 kcmil 575 60 3 2 600 kcmil 3 3 0 400 kcmil 4 2 600...

Страница 63: ...3 0 400 kcmil 3 3 0 400 kcmil 460 60 2 2 600 kcmil 3 3 0 400 kcmil 3 3 0 400 kcmil 575 60 2 2 600 kcmil 2 1 500 kcmil 2 1 500 kcmil 0395 2205 2605 200 60 230 60 380 60 3 2 600 kcmil 3 3 0 400 kcmil 3...

Страница 64: ...05 2605 200 60 230 60 380 60 3 2 600 kcmil 3 3 0 400 kcmil 3 3 0 400 kcmil 400 60 3 2 600 kcmil 3 3 0 400 kcmil 3 3 0 400 kcmil 400 50 3 2 600 kcmil 3 3 0 400 kcmil 3 3 0 400 kcmil 460 60 2 2 600 kcmi...

Страница 65: ...n in the tables of this section are appli cable to selected standard configurations Other con figurations are available through the configuration and selection software Contact your nearest Quantech s...

Страница 66: ...1 171 78 78 211 211 96 96 Oil charge Ckt 1 Ckt 2 gal L 1 5 1 5 5 7 5 7 1 5 1 5 5 8 5 8 1 7 1 7 6 3 6 3 1 7 1 7 6 3 6 3 1 5 1 8 5 7 6 9 2 0 2 0 7 5 7 5 1 8 1 8 6 9 6 9 1 8 1 8 6 9 6 9 2 0 2 0 7 5 7 5 2...

Страница 67: ...514 335 2 8514 335 2 8514 335 2 8514 379 2 9631 379 2 9631 Chassis dimensions width in mm 88 4 2245 88 4 2245 88 4 2245 88 4 2245 88 4 2245 88 4 2245 88 4 2245 88 4 2245 88 4 2245 88 4 2245 Chassis di...

Страница 68: ...131 324 324 147 147 Oil charge Ckt 1 Ckt 2 gal L 2 4 2 4 9 0 9 0 2 5 2 5 9 6 9 6 2 1 2 5 8 1 9 6 2 6 2 6 9 8 9 8 2 4 2 7 9 0 10 1 2 7 2 7 10 1 10 1 2 5 2 9 9 61 1 0 2 8 2 9 10 6 11 0 2 9 2 9 11 0 11 0...

Страница 69: ...260 352 118 160 324 324 147 147 352 352 160 160 288 380 131 173 366 366 166 166 Oil charge Ckt 1 Ckt 2 gal L 2 4 3 7 9 11 4 0 2 63 5 9 813 2 3 23 2 12 112 1 3 53 5 13 213 2 2 93 8 11 014 4 3 73 7 14 0...

Страница 70: ...93 8 52 200 270 17 1570 99 0195 109 2 2773 121 2 3078 32 2 818 0 6 15 45 5 1155 5 31 120 150 9 5 910 57 0205 152 9 3883 165 4 4200 24 0 611 0 6 15 45 9 1165 6 44 170 150 9 5 1300 82 0240 152 9 3883 16...

Страница 71: ...flow rate gpm L s 0220 109 2 2773 121 2 3078 32 2 818 0 6 15 45 5 1155 5 31 120 150 9 5 910 57 0235 152 9 3883 165 4 4200 24 0 611 0 6 15 45 9 1165 6 44 170 150 9 5 1300 82 0280 152 9 3883 165 4 4200...

Страница 72: ...166 4 4226 28 8 733 0 6 15 47 0 1193 8 52 200 270 17 1570 99 0195 109 2 2773 121 2 3078 32 2 818 0 6 15 45 5 1155 5 31 120 150 9 5 910 57 0205 152 9 3883 165 4 4200 24 0 611 0 6 15 45 9 1165 6 44 170...

Страница 73: ...166 4 4226 28 8 733 0 6 15 47 0 1193 8 52 200 270 17 1570 99 0330 152 0 3860 166 4 4226 28 8 733 0 6 15 47 0 1193 8 52 200 270 17 1570 99 0300 152 0 3860 166 4 4226 28 8 733 0 6 15 47 0 1193 8 52 200...

Страница 74: ...8 0405 164 5 4179 203 1 5160 0 5 12 15 5 394 47 5 1207 8 56 210 360 23 1570 99 0470 164 5 4179 203 1 5160 0 5 12 15 5 394 47 5 1207 8 59 220 360 23 1870 118 Table 11 Standard two pass left side inlet...

Страница 75: ...13 90 353 1 26 70 678 1 4 A 31 120 130 8 2 580 37 0215 40 72 1034 4 101 57 2579 8 42 41 1077 3 44 00 1117 6 13 90 353 1 26 70 678 1 4 A 44 170 130 8 2 580 37 0195 40 72 1034 4 101 57 2579 8 42 41 107...

Страница 76: ...3 0 6 A 52 200 220 14 1040 66 0220 40 72 1034 4 189 52 4813 8 42 41 1077 3 44 00 1117 6 13 90 353 1 26 70 678 1 4 A 31 120 130 8 2 580 37 0235 63 13 1603 6 123 98 3149 0 42 26 1073 3 44 00 1117 6 14 4...

Страница 77: ...owing data is applicable to select configura tions Other configurations are available through the configuration selection software Figure 28 QTC4 dimensions in mm Contact your nearest Quantech sales r...

Страница 78: ...y QTC4 model designation 0160 0200 0170 0210 0190 0175 0180 0215 1 1 7 43 5 6 142 5 6 142 5 6 142 5 6 142 5 6 142 5 5 139 5 5 139 5 5 139 2 56 9 1444 56 9 1444 56 9 1444 56 9 1444 56 9 1444 56 7 1441...

Страница 79: ...39 5 5 139 5 5 139 5 5 139 5 5 139 9 4 239 9 4 239 2 42 6 1081 42 6 1081 42 6 1081 56 7 1441 42 6 1081 42 6 1081 82 2 2089 82 2 2089 3 104 6 2658 104 6 2658 104 6 2658 116 7 2964 104 6 2658 104 6 2658...

Страница 80: ...QTC4 model designation 0160 0200 0170 0210 0190 0175 0180 0215 9 86 7 2202 5 6 142 5 6 142 5 6 142 5 6 142 5 6 142 5 5 139 5 5 139 5 5 139 10 56 9 1444 56 9 1444 56 9 1444 56 9 1444 56 9 1444 56 7 14...

Страница 81: ...5 5 139 5 5 139 5 5 139 5 5 139 9 4 239 9 4 239 10 42 6 1081 42 6 1081 42 6 1081 56 7 1441 42 6 1081 42 6 1081 82 2 2089 82 2 2089 11 104 6 2658 104 6 2658 104 6 2658 116 7 2964 104 6 2658 104 6 2658...

Страница 82: ...5 242 9 5 242 9 5 242 2 82 2 2089 82 2 2089 82 3 2091 82 3 2091 82 3 2091 82 3 2091 82 3 2091 3 142 5 3619 142 5 3619 137 1 3483 142 6 3622 142 6 3622 142 6 3622 142 6 3622 4 219 6 5579 219 6 5579 21...

Страница 83: ...5 242 9 5 242 9 5 242 10 82 2 2089 82 2 2089 82 3 2091 82 3 2091 82 3 2091 82 3 2091 82 3 2091 11 142 5 3619 142 5 3619 137 1 3483 142 6 3622 142 6 3622 142 6 3622 142 6 3622 12 219 6 5579 219 6 5579...

Страница 84: ...2091 82 3 2091 82 3 2091 82 3 2091 82 3 2091 82 3 2091 3 142 6 3622 142 6 3622 142 6 3622 142 6 3622 142 6 3622 142 6 3622 142 6 3622 4 219 7 5581 219 7 5581 219 7 5581 219 7 5581 219 7 5581 219 7 558...

Страница 85: ...91 82 3 2091 82 3 2091 82 3 2091 82 3 2091 82 3 2091 82 3 2091 11 142 6 3622 142 6 3622 142 6 3622 142 6 3622 142 6 3622 142 6 3622 142 6 3622 12 219 7 5581 219 7 5581 219 7 5581 219 7 5581 219 7 5581...

Страница 86: ...3 2091 82 3 2091 82 3 2091 82 3 2091 82 3 2091 3 142 6 3622 142 6 3622 142 6 3622 142 6 3622 142 6 3622 4 219 7 5581 219 7 5581 219 7 5581 219 7 5581 219 7 5581 5 300 1 7621 300 1 7621 300 1 7621 300...

Страница 87: ...5 242 10 82 3 2091 82 3 2091 82 3 2091 82 3 2091 82 3 2091 11 142 6 3622 142 6 3622 142 6 3622 142 6 3622 142 6 3622 12 219 7 5581 219 7 5581 219 7 5581 219 7 5581 219 7 5581 13 300 1 7621 300 1 7621...

Страница 88: ...nting holes Install the isola tor base A on a level surface Shim or grout as required leveling all isolator bases to the same el evation 0 03125 of an inch maximum difference can be tolerated 3 Bolt o...

Страница 89: ...85 2 88 73 15 4 13 104 90 0 56 14 22 0 25 6 35 1 2 13 UNC X 1 M27 X 3 2 50 63 50 Type B 029 25335 002 434004 Type B 029 25335 004 434005 6 25 158 75 4 63 117 6 2 75 69 85 5 00 127 00 0 56 14 22 0 38 9...

Страница 90: ...installed on a level surface Shim or grout as required leveling all isolator bases to the same elevation 0 25 in maximum difference can be tolerated 3 Bolt or anchor all isolators to supporting struct...

Страница 91: ...66 1020 348 463 029 25334 004 029 25334 005 433871 White 1021 1156 464 524 029 25334 005 029 25334 006 433872 Gray red 1157 1785 525 810 029 25334 006 Type B model part number Color code Rated capacit...

Страница 92: ...n place when the equipment is positioned over the isola tors 5 With all shims E in place position equipment on top of plate A of isolator 6 Bolt equipment securely to top plate of isolator using a min...

Страница 93: ...th exception of the 029 25336 013 and 029 25336 014 Consult Quantech for concrete installation Weight range Model P N Color lb kg Up to 391 Up to 177 029 25336 006 688690 Green 392 604 178 274 029 253...

Страница 94: ...Quantech 94 Form QTC4 NM2 Issue date 05 12 2023 This page is intentionally left blank...

Страница 95: ...ing or any other system transient conditions Ideal refrigerant charge will be reached when the refrigerant level in the evaporator is near the middle of the evaporator sight glass Refrigerant must not...

Страница 96: ...tion of water flow through the evaporator Ensure the inlet piping is connected to the evaporator vessel closest to the control panel Purge air from the top of the evaporator using the plugged air vent...

Страница 97: ...r is coated with heat conductive compound Part No 013 00898 000 and is inserted to the bottom of the water outlet sensor well in the evaporator This sensor is part of the pump control freeze protectio...

Страница 98: ...is present the control ler will increase the speed of the compressors Condenser and fan rotation Once a compressor is running discharge pressure rises as refrigerant is pumped into the air cooled con...

Страница 99: ...power to the chiller control panel chilled fluid circuit pumps and evaporator heaters can be guaranteed during periods of subfreezing ambient temperatures then one of the freeze damage protec tion pro...

Страница 100: ...Quantech 100 Form QTC4 NM2 Issue date 05 12 2023 This page is intentionally left blank...

Страница 101: ...ad uses an overlay to con LD10605 Unit switch Keypad Display Figure 49 Keyboard and display vert the keypad to various languages The keypad also contains keys in the center section for data entry in t...

Страница 102: ...isplay will ap pear for 2 s indicating the user must choose between accepting or canceling the change XXXXXXXXXXX PRESS TO ACCEPT VALUE OR X TO CANCEL DATA ENTRY If the ENTER key was pressed from the...

Страница 103: ...e failure of all the heaters used in compressor oil separator evaporator shell and evaporator water box etc with the chilled water pump running and having the evaporator heat ers well maintained are e...

Страница 104: ...processor supports BAS Communica tion through the use of the SC EQ Communications Card The IPU3 processor and 03478 board in addition to the SD also has USB which can be used for software downloads a...

Страница 105: ...e dis play and backlight and is regulated to become the 5 V TP5 15 V 11 3 VDC to 16 6 VDC powers the analog outputs to the EEV valves Configuration jumpers The same configuration jumpers that existed...

Страница 106: ...Power LED 11 Port 2 RX2 TX2 16 Port 1 SC EQ 2 TP2 3 3 V 7 Status LED 12 PORT 2 RS 232 Printer 17 TP1 GND 3 SD Card 8 Power LED 13 VSD RX VSD TX 18 TP4 12 V 4 JP4 JP5 JP6 Remote Setpoint Jumpers 9 Port...

Страница 107: ...nate to indicate the VSD communications activity U18 is the VSD Port RS 485 Driver Chip It is socketed to allow field replacement For the SC EQ Communications card BAS points list refer to QTC4 Style...

Страница 108: ...ELF file not found 14 SOFTWARE ELF file larger than expected 15 RAM to IPU Flash transfer of DATABASE BIN failed 16 RAM to IPU Flash transfer of SOFTWARE ELF failed 17 Could not allocate sufficient me...

Страница 109: ...D card becomes full the oldest date file is automatically deleted and a new day log file is written in its place To stop the data logging and retrieve the SD card press the OPTION key and then the Dow...

Страница 110: ...the fault clears or LOCKOUT and will not restart until the operator clears the fault using the keypad UNIT WARNING YEARLY SERVICE REQUIRED CONTACT JCI UNIT WARNING 3 YEAR SERVICE REQUIRED CONTACT JCI...

Страница 111: ...tically reset when the Chiller Control Board receives a valid response from the VSD for a data request The following is an ex ample of a Comms Failure fault message UNIT YYYYYYYY VSD COMMUNICATIONS FA...

Страница 112: ...nd will restart when the 120 s anti recycle timer times out or LOCK OUT and will not restart until the operator clears the fault using the keypad Low suction pressure cutout software fault If the syst...

Страница 113: ...LOW DIFF OIL PRESSURE The X indicates the system and YYYYYYY indicates the system is in a FAULT condition and will restart when the 120 s anti recycle timer times out or LOCK OUT and will not restart...

Страница 114: ...psig 1 Hz Discharge pressure cutout 12 psig 2 Hz Discharge pressure cutout 10 5 psig 3 Hz Discharge pressure cutout 9 psig 4 Hz Discharge pressure cutout 7 5 psig 5 Hz Discharge pressure cutout 6 psi...

Страница 115: ...investigation The start inhibit thresholds for each sensor are shown in the following table Table 24 Start inhibit sensor thresholds Sensor Low threshold High threshold Suction transducer 0 3 VDC 4 7...

Страница 116: ...a lockout on the first fault The following is the system warning message where X is the system number SYS X YYYYYYYYYY ISO VALVE FAILED TO OPEN High discharge pressure rate fault When High Discharge...

Страница 117: ...me will be displayed for 2 s followed by the appro priate general status message C 2004 QUANTECH INTERNATIONAL CORPORATION C XXX XX XX 18 SEPT 2010 12 45 AM Unit status messages occupy 2 lines of the...

Страница 118: ...ssage indicates the system is not running be cause the chilled liquid is below the setpoint or the micro has not loaded the lead system far enough into the loading sequence to bring the lag system ON...

Страница 119: ...LIMITING The VSD Baseplate Temp Limiting message indicates the VSD Baseplate temp is high and load limit or un loading is in effect SYS X VSD INTERNAL AMBIENT TEMP LIMITING The VSD Internal Ambient T...

Страница 120: ...XXX SEC The next key press displays the error in temperature between the actual leaving chilled liquid temperature and the setpoint temperature The display also shows the rate of change of the chilled...

Страница 121: ...re mote control The chiller is in remote mode BAS SC EQ using Remote BAS connection The chiller in remote mode CURR Remote Current Limiting is enabled TEMP Remote Temperature Reset is enabled SOUND R...

Страница 122: ...ystem pressures oil and dis charge SYS 1 PRESSURES OIL XXXX PSIG DISCHARGE XXXX PSIG The second key press of the SYSTEM DATA key or the DOWN ARROW key displays system suction and condenser liquid pres...

Страница 123: ...20 VSD COOL SYS X FAN CONTROL STATE XXXXXXXX CONDENSER FAN SPEED COMMAND XXX X The message above shows when Condenser Fan Con trol is Opt VSD or Opt Enhanced Fans The next key press indicates the sta...

Страница 124: ...e Thermistor 4 1 F 20 06 C 155 6 F 68 67 C Leaving chilled liquid temperature Thermistor 19 1 F 28 49 C 110 2 F 43 44 C Return chilled liquid temperature Thermistor 19 1 F 28 49 C 110 2 F 43 44 C Educ...

Страница 125: ...t locally on the panel under the PROGRAM key re motely by a BAS and remotely by the Current Limit input Any current limits that are inactive will display XXX instead of a numeric value VSD CURRENT LIM...

Страница 126: ...240 300 338 300 338 236 283 QTC40216 283 283 283 283 225 225 QTC40230 283 283 283 283 225 225 QTC40260 338 338 338 338 283 283 QTC40265 338 338 338 338 283 283 QTC40220 283 283 283 283 225 225 QTC4023...

Страница 127: ...ey Compressor operating hours and compressor starts are displayed with a single key press The maximum value for both hours and starts is 99 999 at which point they will roll over to 0 A single display...

Страница 128: ...rmal shutdowns history If the NORMAL SHUTDOWNS history is selected the following screen is displayed NORM HIST XX 18 JUN 2004 10 34 58 AM YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY XX is the normal shutdow...

Страница 129: ...s only Fault Display All Fault Display Unit Data VSD Data System Data Operating Hours Starts Setpoints Options and Program Values at the time of the fault Status fault type SYS X COMPRESSOR RUNNING SY...

Страница 130: ...that sound limiting was in ef fect the amount and whether it was local or remotely limited VSD data VSD actual and command frequency VSD FREQUENCY ACTUAL XXX X HZ COMMAND XXX X HZ This message indica...

Страница 131: ...bcooling and saturated discharge temperatures at the time of the fault SYS 1 DISCHARGE TEMP XXX X F SUPERHEAT XXX X SAT TEMP XXX X F This message displays the system discharge discharge superheat and...

Страница 132: ...This message displays the programmed Control Range at the time of the fault Remote setpoint and range SETPOINTS REMOTE SETPOINT XXX X F REMOTE CONTROL RANGE X X F This message displays the remote setp...

Страница 133: ...bled at the chiller keypad at the time of the fault and if active the type of reset signal selected If the option is not factory enabled the option will not appear Program values Suction pressure cuto...

Страница 134: ...ot factory activated the display will not appear Eductor differential temperature PROGRAM DEF XXXXX LO XXXXX HI XXXXX EDUCTOR DIFFERENTIAL XXX F This message indicates the programmed eductor dif feren...

Страница 135: ...CAL CONTROL RANGE X X F Pressing the SETPOINTS key or the ARROW key a third time displays the remote setpoint and cool ing range This display automatically updates about ev ery 2 s The following is th...

Страница 136: ...60 0 F 44 0 F 4 4 C 15 6 C 6 7 C Glycol cooling 15 0 F 70 0 F 44 0 F 9 4 C 15 6 C 6 7 C Leaving chilled liquid control range 1 5 F 2 5 F 2 0 F 0 8 C 1 4 C 1 1 C Maximum remote temperature reset 2 F 40...

Страница 137: ...e pro gram mode PROGRAM MODE XXXX PRESS ENTER KEY TO CONTINUE To display the first programmable selection press the ENTER key again Suction pressure cutout PROGRAM DEF XXXXX LO XXXXX HI XXXXX SUCTION...

Страница 138: ...own current limit time is programmable This allows the microprocessor to limit a system on pulldown limiting for a defined period of time for the purpose of peak time energy savings The pulldown limit...

Страница 139: ...commended to ensure the system does provides maximum capacity Default values A listing of the low limits high limits and default values for each of the programmable values is noted in each display and...

Страница 140: ...er of condenser fans Any 4 14 6 System 2 number of condenser fans Any 4 14 6 Compressor 1 operating hours Any 0 99 999 0 Compressor 2 operating hours Any 0 99 999 0 Compressor 1 starts Any 0 99 999 0...

Страница 141: ...0 F 11 1 C System 1 maximum fan speed Any 50 100 100 System 2 maximum fan speed Any 50 100 100 System 1 min dis charge suction diff Any 25 psid 1 72 bard 300 psid 20 69 bard 85 psid 5 86 bard System 2...

Страница 142: ...z 68 Hz Skip frequency 2 low limit Any 54 Hz 208 Hz 88 Hz Skip frequency 2 high limit Any 55 Hz 209 Hz 100 Hz Input current limiting Any Disabled enabled Disabled Input current range Input current lim...

Страница 143: ...using the and keys according to the options installed on the chiller SETUP MODE DEF XXXXX LO XXXXX HI XXXXX SYS 1 NUMBER OF COND FANS X SETUP MODE DEF XXXXX LO XXXXX HI XXXXX SYS 2 NUMBER OF COND FANS...

Страница 144: ...X MINIMUM RUNNING SPEED XXX HZ SETUP MODE DEF XXXXX LO XXXXX HI XXXXX QUICK START VSD START FREQ XXX HZ If a motor temperature sensor fails a single sensor can be ignored by making a program change in...

Страница 145: ...XXXXXXXXXXX SETUP MODE DEF XXXXX LO XXXXX HI XXXXX DATA LOGGING TIME XX SEC SETUP MODE DEF XXXXX LO XXXXX HI XXXXX ANTI RECYCLE TIMER XXX SECS The following setup option display is used to select and...

Страница 146: ...DE EXTENDED LCHLT SETPOINT XXXXXXXXXXXXXXXXXXXXXXXXXXXX SETUP MODE QUARTERLY SERVICE WARNING XXXXXXXXXXXXXXXXXXXXXXXXXXXX SETUP MODE YEARLY SERVICE WARNING XXXXXXXXXXXXXXXXXXXXXXXXXXXX SETUP MODE 3 YE...

Страница 147: ...language selection The display language can be selected for English Ital ian Polish Hungarian German French Portuguese and Spanish OPTIONS DISPLAY LANGUAGE XXXXXXXXXXXXXXXXXX The default language is E...

Страница 148: ...PTIONS LEAD LAG CONTROL MODE MANUAL SYS 1 LEAD OPTIONS LEAD LAG CONTROL MODE MANUAL SYS 2 LEAD Remote temperature reset selection Remote temperature reset from an external source can be tied directly...

Страница 149: ...UT 2 0 TO 10 0 VOLTS DC OPTIONS REMOTE SOUND LIMIT INPUT 0 0 TO 20 0 MILLIAMPS OPTIONS REMOTE SOUND LIMIT INPUT 4 0 TO 20 0 MILLIAMPS The default setting for remote sound limit is DISABLED This displa...

Страница 150: ...llows scrolling to the next programmed item Pressing the DOWN ARROW key scrolls to the next item that can be pro grammed and the UP ARROW key scrolls to the previous item The day of the week is the fi...

Страница 151: ...XXXXXX The time format can be displayed in either a 12 hour or 24 hour format Selection can be changed by press ing the or ARROW keys The ENTER key must be pressed to store the data Schedule key opera...

Страница 152: ...ll appear in the space signifying that day as a holiday The Holiday schedule must be programmed weekly If there is no holiday the key is also used to delete the The ENTER key is used to accept the hol...

Страница 153: ...d the chiller will start when chilled liquid temperature allows Remote Contacts UNIT switch and SYSTEM switches permitting This is a priority message and cannot be overridden by anti recycle messages...

Страница 154: ...ANCEL PRINTING option The following message is displayed when the PRINT key is pressed PRINT CHOOSE PRINT REPORT XXXXXXXXXXXXXXXXXXXXX After pressing the PRINT key the printout type is selected by pre...

Страница 155: ...EGF MOTOR CURRENT LIMIT 100 FLA PULLDOWN CURRENT LIMIT 100 FLA PULLDOWN LIMIT TIME 0 MIN SUBCOOLING SETPOINT 12 0 DEGF UNIT ID NUMBER 0 SOUND LIMIT SETPOINT 100 if Sound Limiting enabled UNIT DATA LEA...

Страница 156: ...0 00AM STOP 00 00AM HOL START 00 00AM STOP 00 00AM SOUND LIMIT SCHEDULE if enabled MON START 00 00AM STOP 00 00AM TUE START 00 00AM STOP 00 00AM WED START 00 00AM STOP 00 00AM THU START 00 00AM STOP 0...

Страница 157: ...tch status The ARROW keys allow scrolling to the next and previous system switch System 1 and 2 SYSTEM SWITCHES SYS 2 ON OFF RESET XXXXXXXXXXXXXX The LEFT ARROW or RIGHT ARROW keys allow scrolling thr...

Страница 158: ...Quantech 158 Form QTC4 NM2 Issue date 05 12 2023 This page is intentionally left blank...

Страница 159: ...ipped to do so If in any doubt contact your local Quantech service agent Unit status Press the STATUS key on the keypad and ensure that no fault messages are displayed Section 9 Maintenance Operating...

Страница 160: ...s are tight The acceptable limit for a 100 pure R 134a R 513A system is 0 1 oz year at DWP If any leaks are indicated they must be repaired imme diately Usually leaks can be stopped by tightening the...

Страница 161: ...emain in the chiller based on Figure 28 This chart provides the hold times for pressure hold testing based on the vessel diam eter and length What to do next For a unit with no loss of pressure procee...

Страница 162: ...required to 0 078 oz year 5 Connect hoses to high and low side of the system and add dry nitrogen into the chiller until the pres sure reaches 100 psig 690 kPa Pressure can be increased upto 150 psig...

Страница 163: ...everal methods of dehydrating a system the following method produces one of the best results and provides accurate readings of the extent of dehydration The equipment required to follow this method of...

Страница 164: ...stem has been thor oughly leak checked The dehydration process is only needed if the following occurs 1 The nitrogen holding charge on shipments has been lost 2 The system has been open to the atmosph...

Страница 165: ...uum level Do not let it fall below 5 000 m or the equivalent 35 F 1 6 C If the pressure temperature relationship falls to 32 F 0 C the water in the system freezes and the result is a faulty pressure r...

Страница 166: ...correspond to the room ambient temperature or the heat being applied to the vessel See see Figure 66 on page 163 for values 7 An acceptable vacuum pressure rise is 150 m in 60 min 8 If the vacuum doe...

Страница 167: ...65 0 73 9 55 0 3 79 58 1 14 5 190 0 13 10 126 9 52 7 325 0 22 41 166 2 74 6 60 0 4 14 62 0 16 7 195 0 13 44 128 7 53 7 330 0 22 75 167 4 75 2 65 0 4 48 65 7 18 7 200 0 13 79 130 4 54 7 335 0 23 10 168...

Страница 168: ...21 78 1 25 6 220 15 17 134 3 56 8 350 24 13 170 1 76 7 480 33 09 196 9 91 6 95 0 6 55 81 0 27 2 225 15 51 136 0 57 8 355 24 48 171 3 77 4 485 33 44 197 8 92 1 100 0 6 89 83 9 28 8 230 15 86 137 6 58...

Страница 169: ...refrigerant into or out of any chiller every precaution must be taken to prevent air from entering the system when handling the charging lines Create a suitable charging connection from new copper tub...

Страница 170: ...he following equations define these parameters Condenser subcooling is calculated and the condenser drain valve is controlled to the programmed setpoint by the chiller control logic Evaporator approac...

Страница 171: ...ing this procedure at least once a quarter every 3 months to ensure that the integrity of the coils and the warranty of the coils are maintained In environments where coils become heavily fouled or th...

Страница 172: ...er solution on the coils En sure that the entire surface of the coils is wetted with the solution Allow the cleaning solution to remain on each of the coils for approximately 10 mins 4 Repeat the wate...

Страница 173: ...aint brush apply the touch up paint to the end tubes or coil headers as needed Table 34 Part numbers Part number P N Description 013 04185 000 Cleaner coil 4 1 gal 013 04185 001 Cleaner coil 1 gal 013...

Страница 174: ...heaters to fail Evaporator freeze damage Power must remain on the chiller when ever the ambient temperature drops below 32 F with water in the evaporator to avoid evaporator damage To avoid damage en...

Страница 175: ...ce and lock out Check tightness of power wiring connec tions X Check glycol concentration on low temperature or other applications where freezing may be a problem X Replace corrosion inhibitor pucks p...

Страница 176: ...mmed operating limit Check the programmed cutout and determine if it is programmed correctly Ambient Sensor is defective Check the panel against the thermometer reading of ambient temperature Chiller...

Страница 177: ...a single sensor Economizer solenoid energized at low speeds Valve is leaking through System fault low suction pressure Low charge Check subcooling Transducer reads incorrectly Check transducer agains...

Страница 178: ...e in system adjust charge Condenser coils dirty clean condenser Fans not operating Check fans VSD fault High baseplate temperature Coolant level low Add coolant Glycol pump is defective Replace glycol...

Страница 179: ...9 58 1 14 5 190 0 13 10 126 9 52 7 325 0 22 41 166 2 74 6 60 0 4 14 62 0 16 7 195 0 13 44 128 7 53 7 330 0 22 75 167 4 75 2 65 0 4 48 65 7 18 7 200 0 13 79 130 4 54 7 335 0 23 10 168 6 75 9 70 0 4 83...

Страница 180: ...44 70 11 17 6 12 63 82 96 67 158 301 01 68 10 93 8 13 85 84 100 20 160 308 72 66 10 68 10 15 11 86 103 82 162 316 58 64 10 41 12 16 41 88 107 51 164 324 58 62 10 13 14 17 76 90 111 30 166 332 74 60 9...

Страница 181: ...9 16 6 3 05 22 7 5 2 1 74 42 1 5 6 2 40 62 5 16 9 3 07 23 3 4 8 1 76 42 7 5 9 2 42 63 2 17 3 3 09 23 9 4 5 1 78 43 3 6 3 2 44 63 8 17 7 3 11 24 5 4 2 1 80 43 9 6 6 2 46 64 5 18 1 3 13 25 0 3 9 1 82 4...

Страница 182: ...2 6 17 2 41 110 9 43 8 3 72 20 0 6 7 1 12 63 5 17 5 2 44 112 3 44 6 3 75 21 2 6 1 15 64 4 18 2 47 113 8 45 4 3 78 22 3 5 4 1 18 65 3 18 5 2 50 115 2 46 2 3 81 23 4 4 8 1 21 66 3 19 1 2 52 116 7 47 1 3...

Страница 183: ...d economizer pressure transducers Pressure Voltage Pressure Voltage 0 0 50 0 0 50 5 0 66 25 0 75 10 0 82 50 1 00 15 0 98 75 1 25 20 1 14 100 1 50 25 1 30 125 1 75 30 1 46 150 2 00 35 1 62 175 2 25 40...

Страница 184: ...50 95 35 6 531 2 70 6 354 6 707 104 40 5 326 3 00 5 166 5 485 113 45 4 368 3 25 4 226 4 510 122 50 3 602 3 50 3 476 3 728 131 55 2 986 3 75 2 874 3 098 140 60 2 488 4 00 2 389 2 588 149 65 2 083 4 25...

Страница 185: ...te the unit heat exchanger from the external wa ter systems and drain the heat exchanger section of the system If no isolation valves are installed it may be necessary to drain the complete system If...

Страница 186: ...7457 Kilowatts kW Flow rate Gallons minute gpm 0 0631 Liters second L s Length Feet ft 0 3048 Meters m Inches in 25 4 Millimeters mm Weight Pounds lb 0 4536 Kilograms kg Velocity Feet second fps 0 304...

Страница 187: ...Quantech 187 Form QTC4 NM2 Issue date 05 12 2023 This page is intentionally left blank...

Страница 188: ...Quantech Incorporated Subject to change without notice Printed in USA Copyright 2023 ALL RIGHTS RESERVED Form QTC4 NM2 523 Issue Date May 12 2023 New Release www Quantech HVAC com...

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