McQuay MAC Specifications

MAC-C-2004Air-Cooled Mini ChillerModels: MAC 080 C/CRMAC 100 C/CRMAC 120 C/CRMAC 150 C/CRM4AC 080 C/CRM4AC 100 C/CRM4AC 120 C/CRM4AC 150 C/CR

5.2 Menu StructureMenu Structure Diagram for Chiller9

5.3 Chiller Menu Structures 5.3.1 Summary Pages There are 4 pages in [Summary Pages]. Press UP or DOWN for page scrolling. Press ENTER to go into [Mai

5.3.2 Main Menu Press ENTER in [Summary Pages] to go into this menu.MAIN MENU Operating MenuSetting Menu Timer Menu Alarm Menu Display MenuOperation M

5.3.2.2 Settings Menu Select [Settings Menu] in [Main Menu] and press ENTER to go into this menu. SETTINGS MENUSet ParameterChange

5.3.2.2.3 Panel Option Select [Panel Option] in [Settings Menu] and press ENTER to go into this menu. Backlight : NormalBuzzer : OnScreen Saver : Disa

5.3.2.3 Timer Menu Select [Timer Menu] in [Main Menu] and press ENTER to go into this menu. TIMER MENUClock Setting Date SettingTimer ScheduleTimer :

5.3.2.3.2 Set DateSelect [Date Setting] in [Timer Menu] and press ENTER to go into this menu. Set Date : yyyy mm dd2000 / 01 / 01 Operation MenuMAIN

5.3.2.4.1 Show AlarmsSelect [Show Alarms] in [Alarm Menu] and press ENTER to go into this menu. [Ch 0] Alarm 1 Comp 1 overload01/ 01 / 00 12:00amOpera

5.3.2.5.1 Defrost SensorSelect [Defrost Sensor] in [Display Menu] and press ENTER to go into this menu. Defrost SensorCimo 1 : 12.8ºCOperation MenuMAI

6. OPERATION USER MANUAL 6.1 Starting Chiller panel can be set as Master or Slave panel unit. When the Panel ID is set to ‘0’, it acts like a Master p

ContentsNomenclature... 2General Featur

6.2 Chiller Operation Control 6.2.1 StartingDuring power on for the Chiller Panel, it needs to take several times to collect information from the Chil

6.2.3 Switching ON/OFFThere are several ways to switch ON/OFF for the Chiller.i) [Summary Pages]Press and hold ON/OFF button (hold 1 second). Please n

6.2.4 Switching ModeThere are several ways to switch the mode for the Chiller. Please take note that some mode cannot be set due to current Chiller mo

6.2.5 Changing Mode Set TemperatureThere are 2 ways to change the mode set temperature for the Chiller.i) [Operation Menu]<ENTER> <ENTER>

6.2.6 Manual DefrostUser can choose which compressor will go into manual defrost cycle by using the Chiller Panel, as long as the condition is fulfill

6.2.7 Advance Parameter SettingsThe Chiller Panel provide user a lot of advance parameter settings for the Chiller. The parameters are divided into 7

4) CompressorC1 Min Run : 120sC2 Min Stop : 240s C3 2On Interval : 360s C4 2Cp ON Dly : 15sC5 P-Cp ON Dly : 60s C6 Cp-P OFF Dly : 60s C7 Cp Cut Off :

6.2.8 Changing PasswordFor security purpose, some places in the panel are password-protected. User can change the password at anytime. <ENTER>

6.2.9 Clock SettingUser can set the clock for the panel.<ENTER> <ENTER> <ESC> <ESC> <ENTER> <ESC&

6.2.11 7 Days Programmable SettingThere are 2 ON/OFF events in one day for the schedule. This schedule is applicable to all the chillers in the networ

NomenclatureM 4AC080 C R Brand Name _ R22 Equipment Air Cooled Norminal Generation (McQuay) 4 R407C Equipment Chiller Cooling _

6.2.12 Viewing Alarm / Erase Alarm RecordWhenever a new fault/alarm is occurred, there will be a message pop up to show the fault/alarm. Backlightwill

6.2.13 Viewing Defrost Sensor TemperatureThe Chiller Panel displays defrost sensor temperature for each compressor in [Defrost Sensor] in [Display Men

6.2.15 Viewing/Clear Compressor Run TimeUser can view / clear the compressor run time for the Chiller in [Comp Run Time] in [Display Menu].<ENTER&g

Parameter Value DescriptionNormal Turn ON backlight for 30s via key pressBacklightAlways Always ON backlightON Enable beeping sound when fault/ alarm

337. PROBLEMS AND TROUBLESHOOTING Symptoms Possible Cause Troubleshooting 1 Panel gets hot abnormally • Wiring fault in 12VDC supply • Change

8. APPENDIX GENERAL Type Unit DefaultMin Max Resolution 0 2 1 G1 ModelO=Chiller,1=Heat Pump,2=Chiller/ Boiler,3=Heat pump/Boiler, 4=Chiller+Boile

D3 Maximum duration of defrost cycle U min 10 1 40 1 D4 Defrost interval time U min 45 0 199 1D5 Delay before defrosting U sec 0 0 1990 10D6 Delay

SpecificationsAir Cooled Chiller – R22 Cooling OnlyMODEL MAC080C MAC100C MAC120C MAC150CBtu/hr 78000 93000 116000 138000NOMINAL CAPACITY kcal/hr 19657

Air Cooled Chiller – R22 Heat Pump MODEL MAC080CR MAC100CR MAC120CR MAC150CRBtu/hr 77000 / 90000 94000 / 110000 113000 / 120000 138000 / 132000NOMINAL

Air Cooled Chiller – R407 Cooling OnlyMODEL M4AC080C M4AC100C M4AC120C M4AC150CBtu/hr 74000 88000 115000 137000NOMINAL CAPACITY kcal/hr 18649 22177 28

Water buffer tank & pipe connection The unit does not come with a water buffer tank. However, the unit does come with an 8 liters expansiontank.(A

Air Cooled Chiller – R407 Heat Pump MODEL M4AC080CR M4AC100CR M4AC120CR M4AC150CRBtu/hr 74000 / 90000 88000 / 98000 110000 / 118000 132000 / 123000NOM

Performance Table Cooling OnlyRefrigerant: R22CH4-40 PUMP (080 & 100)CH8-30 PUMP (120 & 150) MODELCOOL COMP. COOL COMP. COOL COMP. COOL COMP.

Heat Pump – Cooling Mode Refrigerant: R22 MODELCOOL COMP. COOL COMP. COOL COMP. COOL COMP. COOL COMP. COOL COMP. COOL COMP.CAP. INPUT CAP. INPUT CAP.

Heat Pump – Heating Mode Refrigerant: R22 MODELHEATING COMP. HEATING COMP. HEATING COMP. HEATING COMP. HEATING COMP. HEATING COMP. HEATING COMP. HEATI

Cooling OnlyRefrigerant: R 407C MODELCOOL COMP. COOL COMP. COOL COMP. COOL COMP. COOL COMP. COOL COMP. COOL COMP.CAP. INPUT CAP. INPUT CAP. INPUT CAP.

Heat Pump - Cooling OnlyRefrigerant: R 407C MODELCOOL COMP. COOL COMP. COOL COMP. COOL COMP. COOL COMP. COOL COMP. COOL COMP.CAP. INPUT CAP. INPUT CAP

Heat Pump - Heating Mode Refrigerant: R 407C MODELHEATING COMP. HEATING COMP. HEATING COMP. HEATING COMP. HEATING COMP. HEATING COMP. HEATING COMP. HE

Technical Data Water Pressure DropMAC/M4AC080C/CRFlowrate(m3/hr)Pressure drop(psig)BPHE(kPa)Pump head(kPa)Hydraulic life(kPa)Unit Water Piping (psig)U

Correction Factors with GLYCOL use CAPACITY FACTORGLYCOLLWT/ deg C 1020 30 40-12.20.8 0.7-9.40.827 0.735-6.70.88 0.85 0.756-3.90.9 0.876 0.781-1.10.92

Outlines and Dimensions Model : M4AC/ MAC080/ 100 C/CR48

Chiller Panel Controller 1. SAFETY CONSIDERATIONOnly specially trained and qualified technicians and installers are authorized to install and service

Model : M4AC/ MAC120/150 C/CR 49

Accessory Hydraulic Kit (Optional) Hydraulic kit consists of 135L capacity water storage buffer tank, over pressure release value and drainage point.

Wiring Diagrams Model : M4AC / MAC080 / 100 / 120 /150C (Isolator Switch)51

Model : M4AC / MAC080 / 100 / 120 / 150C (Terminal Block) 52

Model : M4AC / MAC080 / 100 / 120 / 150CR (Isolator Switch)53

Model : M4AC / MAC080 / 100 / 120 / 150CR (Terminal Block) 54

Special Precautions for R407C 1) What is new refrigerant R407C?R407C is a zeotropic refrigerant mixture which has zero ozone depletion potential and t

c) Ensure that the compressor is not expose to open air for more than the recommended time specifiedby its manufacturer (typically less than 10 minute

InstallationM4AC / MAC080 / 100 / 120 / 150 C/CR 1100mm500mm 500mm700mmSafety PrecautionsBefore installing the air conditioner unit, please read the f

Caution!Please take note of the following important points when installing. • Do not install the unit where leakage of flammable gas may occur.If gas

3. HARDWARE DESCRIPTION9Front View Back View3.1 Key Explanation The 2 navigation keys permit item selection and modifying the selected value. ENTER

Electrical and Wiring x Refer to the wiring diagram provided on the unit when making electrical wiring.x Install an isolator (if it is not provided) t

!WARNINGx All terminals and connection must be tightened. x Avoid any wires from touching the refrigerant pipe. Apply insulation if necessary. x Avoid

Control Operation GuideThe unit is equipped with a microprocessor controller board. The microprocessor controller is provided to givetemperature contr

Servicing and Maintenance ServicingServicing or maintenance of these unit must be carried out by experienced personnel with specifictraining in refrig

TroubleshootingWhen any malfunction is occurred, immediately switch off the power supply to the unit, and contact the local dealer, if necessary. Some

Schematic Diagram M4AC/ MAC080C, 100C, 120C, 150CRefrigerant Circuit Diagram M4AC/ MAC080CR, 100CR, 120CR, 150CRRefrigerant Circuit Diagram 64

Part Lists and Exploded View M4AC / MAC080 / 100C/CR I ASSY, PANEL BASE MAIN 19 BRACKET, BPHE 37 FAN BLADE 24"2 ASSY, INS. PARTITION PANEL 20 SUP

M4AC/ MAC120/ 150C/CR I ASSY. PANEL BASE MAIN 17 ASSY, DOOR PANEL RIGHT MAIN 33 CLAMP, EXPANSION TANK2 ASSY, INS. PARTITION PANEL 18 ASSY, DOOR PANEL

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4. INSTALLATION 4.1 Chiller Bus Supported up to 50 units of ChillerChiller 0 Chiller 1 Chiller 2 5 way wire (CN8)ChillerCommunication busChillerPane

4.2 Others Configuration x JH2 in Chiller panel should let it open (put the jumper header on one pin only) all the time unless user need to do CMOS re

5. SOFTWARE DESCRIPTION5.1 IntroductionThe Chiller Panel Controller can be used to control/display the status of Chiller.Status viewing:x ON/OFF statu