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Daikin MAGNITUDE WME-D, Установка, эксплуатация и обслуживание, Страница: 44 / 56

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OPERATION

MAGNITUDE WME-D MAGNETIC BEARING CHILLER

DAIKIN  APPLIED

44 

Controller Inputs and Outputs

As outlined below, inputs and outputs vary between the unit 

controller and the compressor controller.

Unit Controller Inputs and Outputs

The following tables list the unit controller inputs and outputs, 

both analog and digital, as well as the stepper motor outputs.

Table 21: Unit Controller, Analog Inputs 

Description

Wiring

Source

Signal

Sensor 

Range

Entering 

Evaporator 

Water Tem-

perature

Chiller

NTC 

Thermistor

10k @ 25°C

-40 to 

125°C

Leaving Evap-

orator Water 

Temperature

Chiller

NTC 

Thermistor

10k @ 25°C

-40 to 

125°C

Entering Con-

denser Water 

Temperature

Chiller

NTC 

Thermistor

10k @ 25°C

-40 to 

125°C

Leaving Con-

denser Water 

Temperature

Chiller

NTC 

Thermistor

10k @ 25°C

-40 to 

125°C

Liquid Line 

Refrigerant 

Temperature

Chiller

NTC 

Thermistor

10k @ 25°C

-40 to 

125°C

Evaporator 

Refrigerant 

Pressure

Chiller

Sealed 

Gage 

Transducer

0.5 to 4.5 

VDC nom-

inal

0 to 100 

psi

Liquid Line 

Refrigerant 

Pressure

Chiller

Sealed 

Gage 

Transducer

0.5 to 4.5 

VDC nom-

inal

0 to 200 

psi

Condenser 

Refrigerant 

Pressure

Chiller

Sealed 

Gage 

Transducer

0.5 to 4.5 

VDC nom-

inal

0 to 200 

psi

Reset of 

Leaving Water 

Temperature

Field

BAS

4 to 20 mA 

Current

0 to 

100%

Demand Limit

Field

BAS

4 to 20 mA 

Current

0 to 

100%

NOTICE

“Sensor Range” in 

Table 21 

indicates the range of the input, NOT 

the operating range of the chiller.

Table 22: Unit Controller, Digital Inputs

Description

Wiring

Signal 

Source

States (Open/

Closed)

Front Panel 

“Stop/Auto” 

Switch

Chiller

Isolated 

Switch Con-

tacts

Stop/Auto

Remote Start/

Stop

Field

Isolated 

Switch or Re-

lay Contacts

Stop/Auto

Evaporator 

Water Flow 

Switch

Chiller & Field
(in series)

Isolated Flow 

Switch Con-

tacts

No Flow/Flow

Condenser 

Water Flow 

Switch

Chiller & Field
(in series)

Isolated Flow 

Switch Con-

tacts

No Flow/Flow

Table 23: Unit Controller, Analog Outputs

Description

Output Signal

Sensor Range

EXV Driver Signal

0 to 10 VDC

0 to 100% Open

Cooling Tower By-

pass Valve Position

0 to 10 VDC

0 to 100% Open

Cooling Tower VFD 

Speed

0 to 10 VDC

0 to 100%

NOTICE

“Sensor Range” in 

Table  23

 indicates the range  of the output, 

NOT the operating range of the chiller.

Table 24: Unit Controller, Digital Outputs

Description

Load

Rating

Alarm

Indicator Light

240 VAC

Evaporator Water 

Pump #1

Pump Contactor

240 VAC

Evaporator Water 

Pump #2

Pump Contactor

240 VAC

Condenser Water 

Pump #1

Pump Contactor

240 VAC

Condenser Water 

Pump #2

Pump Contactor

240 VAC

Cooling Tower Fan 

#1

Fan Contactor

240 VAC

Cooling Tower Fan 

#2

Fan Contactor

240 VAC

Содержание MAGNITUDE WME-D

Страница 1: ...24 MAGNITUDE WME D MAGNETIC BEARING CENTRIFUGAL CHILLERS IOM 1372 INSTALLATION OPERATION MAINTENANCE MODEL WME D 250 450 TONS 900 1600 kW COOLING 3600 5300 MBH 1000 1550 kW HEATING R 515B REFRIGERANT...

Страница 2: ...libration 46 Mounting 46 Chiller Maintenance 50 Seasonal Shutdown 50 Seasonal Startup 50 Harmonic Filter Evaluation 50 Refrigerant Charging 51 Maintenance Schedule 52 Appendix 53 Limited Product Warra...

Страница 3: ...oil is a synthetic oil used in many refrigeration systems and may be present in this Daikin Applied product POE oil if ever in contact with PVC CPVC will coat the inside wall of PVC CPVC pipe causing...

Страница 4: ...mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the unit by a person responsible for their safety Children should be su...

Страница 5: ...ating Evaporator Entering Water 35 1 7 90 32 2 Leaving Water3 35 1 7 70 21 1 Entering Water w Antifreeze2 35 1 7 90 32 2 Leaving Water w Antifreeze2 35 1 7 70 21 1 Condenser Entering Water 40 4 4 120...

Страница 6: ...tion engineer for derating schedule Excessive humidity in the mechanical room should be avoided A limit of 95 non condensing humidity should be met to minimize electrical components exposure to water...

Страница 7: ...on etc to prevent personal injury Lifting Holes Lifting bracket or hole designs vary from product to product Rules of engagement with the lifting point are the same regardless of the attachment type F...

Страница 8: ...ors and lock the handles 6 Long term storage in humid environments may cause condensate corrosion on steel surfaces Consider adding a desiccant material to alleviate corrosion concerns When the unit i...

Страница 9: ...hiller is shipped completely assembled with the full refrigerant charge which must be recovered before breaking any refrigerant connection The refrigerant charge must be removed from the unit if the v...

Страница 10: ...es and if possible remain attached If the stack size or weight dictates further disassembly the vessels can be separated by disconnecting any interconnecting wiring and tubing and then unbolting them...

Страница 11: ...44 0 1118 W28 Width Center of Outside Foot Mounting Hole to Center of Suction 1 49 48 1257 W29 Width Center of Outside Foot Mounting Hole to Center of Suction 2 H25 Height Mounting Foot with Mounting...

Страница 12: ...re 10 is a representation only and may not reflect the appearance of the actual spreader bar needed Compressor Removal and Re Attachment Instructions CAUTION Prior to removing the compressor follow an...

Страница 13: ...hment Compressor Re Attachment 1 Set the suction elbow back on top of the evaporator and install the screws loosely at the evaporator flange be sure to install the new o ring that was shipped with the...

Страница 14: ...elta P switches can be used Note that flow switches are factory installed Additional flow switches can be used only if they are connected in series with the ones already provided Connect additional fl...

Страница 15: ...by equipment malfunction fire etc to the atmosphere Table 4 WME D vintage Relief Valve Data Evaporator Condenser Location Top Top Pressure Setting psi 200 225 Discharge Capacity 78 8 lb min air 88 1 l...

Страница 16: ...installed to reduce heat loss and prevent condensation from forming Insulation should cover the evaporator barrel tube sheet and waterboxes the suction line from the top of the evaporator to the comp...

Страница 17: ...power factors Chiller Control Power In all cases of power operation except when with RapidRestore the chiller control power must remain as factory wired from a unit mounted power supply RapidRestore...

Страница 18: ...ns of various durations will cause different restart scenarios as described below 1 Short Interruptions of only a few seconds will allow a running compressor to return to operating speed almost immedi...

Страница 19: ...00 TRIP SETTING LDC3600F LES3600LSI 2 3TA603LDK FRN5900 35 kAIC EATON 800 AMP 700 TRIP SETTING MDL3800F MES3800LSI 6 TA800MA2 FRN5900 65 kAIC EATON 800 AMP 700 TRIP SETTING HMDL3800F MES3800LSI 6 TA80...

Страница 20: ...CALE 0 125 RLA 0 10V UNIT MOTOR CURRENT OUTPUT VDC OR VAC 13 4 NC NO ALARM NO NC 13 4 AR4 13 4 24 120V 33 RED 3 BLK 3 10 4 8 4 9 4 SENSOR SENSOR EXV BOARD CAL 21 36 DOOR BUE1 UE1 IS REPLACED WITH FOR...

Страница 21: ...CV For revision authorization and change des A B C D 8 7 6 5 WME D UNIT BOX SCH STANDARD 24V POWER WME DUAL PWR WME SINGLE PWR BLK BLK GRN CMPR1 PE PE 4 20 32 32 RM CMPR2 CMPR1 GRN PE 4 SEE DWG 336078...

Страница 22: ...ATERIAL MAY BE USED SOLELY IN PREPARATION OF PROPOSAL OR PERFORMANCE OF WORK FOR DAIKIN APPLIED DAIKIN APPLIED 2013 All Rights Reseserved PART NUMBER DESCRIPTION SIZE B OF 330890402 00 2024 C001608260...

Страница 23: ...HARMONIC FILTER 3 RED WHT WHT WHT WIRES FOUND ON CONTROLLER SEE DWG 330890404 175 175VDC CMPR CABLE FROM VFD 1 SCHEM MOTOR BEARING BLK WHT GRN BLK BRN RED BLK RED VANES DISCHARGE 5V GND SIG DP 5V GND...

Страница 24: ...RNESS RMB K TMB H COIL POWER CN20B 1 2 3 4 CN20A 1 2 3 4 ATMOSPHERIC SIDE HERMETIC SIDE FEEDTHRU HOUSING RADIAL O RING HARNESS RMB J COIL POWER CN11 2 1 3 4 6 7 8 9 10 CN2 3 1 4 HERMETIC SIDE HERMETIC...

Страница 25: ...OPTION EMI01 L1 R L2 S L3 T GND L1 R L2 S L3 T R0 T0 CONTROL R1 T1 FAN EN1 EN2 PS PLC FWD REV X1 X2 CM SCHEM COMPRESSOR BOX SEE DWG 330890403 P1 P P P1 REC01 N VFD01 U V W Y2 Y1 CMY A01 DX DX 11 AI1...

Страница 26: ...SENSOR 10 8 9 EXV BOARD CAL DOOR AR3 24 WHT WHT BLK RED PWR GND SIG LLP PE PWR GND SIG EVPP PWR GND SIG CNDP BLK 3 RED RED RED 32 21 PE Address 1 G G0 Vbat U2 U1 U3 GND U4 U5 U6 GND U7 U8 U9 U10 GND...

Страница 27: ...d representative for specific details Single Compressor Units The following sequence of operation applies to Magnitude Model WME chillers with a single compressor 1 Chiller enabled With the chiller en...

Страница 28: ...vaporator flow rate should not exceed 10 of the current value per minute Water Volume All chilled water systems need adequate time to recognize a load change to avoid short cycling of the compressors...

Страница 29: ...ce to the code If it is confirmed that a waterside economizer is beneficial to a particular system the BAS contractor will need to provide controls for the heat exchanger including isolation valves an...

Страница 30: ...tes are shown in Table 9 The bottom icon bar will be visible on all screens with the active screen highlighted in white II Unit Status Modes Defined by Mode followed by State If the unit is stopped th...

Страница 31: ...hange operating parameters tap on the Settings icon at the bottom of the screen see Figure 39 Figure 32 Unit Detail View Screen Figure 33 Power Information Figure 34 Evaporator Information Figure 35 C...

Страница 32: ...LLER DAIKIN APPLIED 32 Figure 36 Condenser Information Figure 37 Expansion Valve Information Figure 38 Cooling Tower Information NOTE Selection and setup of cooling tower control methods is in the Set...

Страница 33: ...h as amp limits 4 TOWER selects the method of controlling the cooling tower and sets the parameters for fan staging VFD 5 VALVE sets the parameters for operation of the expansion valve 6 OFFSETS adjus...

Страница 34: ...e pressed before another setpoint can be selected 5 Additional setpoints can be changed by selecting another setpoint on the screen using the Setpoint Selection buttons or by selecting an entirely new...

Страница 35: ...A It is set equal to Cool LWT setpoint Max Reset Delta T setpoint if the reset signal equals or exceeds 20 mA The Active Leaving Water variable will vary linearly between these extremes if the reset s...

Страница 36: ...en dent T Sets the Rated Load Amps RLA per compressor phase as given on the chiller nameplate Load Side Phase Data Maximum Amps 100 70 to 100 O Inhibits capacity in crease above RLA Unloading forced a...

Страница 37: ...of available tower fan stages Tower Control Setup Setup for tower control settings in Table 13 will be accomplished on the HMI using the Tower screen under Settings See Figure 44 Using the chiller uni...

Страница 38: ...tages when adding 2nd and or 3rd stage VFD speed 80 N stages when dropping 2nd and or 3rd stage For one tower fan stage turn on at 90 TCLO if tower bypass valve position is 90 of Valve Control Range M...

Страница 39: ...tect 34 0 F 34 0 to 38 0 F T Sets the value of condenser saturated temperature below which the condenser pump is forced ON oc curs when unit is off and chiller senses need to provide flow to address a...

Страница 40: ...essor loading or unloading ensues considering any capacity overrides that may be in effect Capacity Overrides The conditions described in the following subparagraphs override normal capacity control O...

Страница 41: ...taken and the cause of the alarm See the Alarm tables starting on ALARMS Setpoint Settings on page 39 for specifics on alarms that may occur Alarm history data is held for 365 days as shown on the In...

Страница 42: ...download the trend and alarm history for the selected day The Unit Control Processor will store 30 days of history at a maximum The Unit Control Processor will automatically delete old trend history...

Страница 43: ...BC are interrupted Low Suction Pressure Suction Pressure is less than Low Suction Pres sure setpoint and Suction Pressure Warning is not active High Discharge Pressure Discharge pressure High Discharg...

Страница 44: ...eset of Leaving Water Temperature Field BAS 4 to 20 mA Current 0 to 100 Demand Limit Field BAS 4 to 20 mA Current 0 to 100 NOTICE Sensor Range in Table 21 indicates the range of the input NOT the oper...

Страница 45: ...ane Posi tion Rotary Transducer 1 5 to 2 6 VDC nom inal Closed to Open 7 Motor Wind ing Tempera ture 1 NTC Therm istor 10k 25 C 40 to 150 C 8 Motor Wind ing Tempera ture 2 NTC Therm istor 10k 25 C 40...

Страница 46: ...type flow switches and differential pressure switches but care must be taken regarding wiring The thermal dispersion flow switch supplied by Daikin Applied shown in Figure 56 comes as a two part unit...

Страница 47: ...DC signal which is supplied through the switch output of the flow switch for flow indication It is required that the AC and DC commons of power be separated Contact Chiller Technical Response for alte...

Страница 48: ...ep 3 After the Teach function is completed and the outer LEDs have flashed the flow switch will indicate a new setpoint based upon the current flow which should still be at the steady state minimum de...

Страница 49: ...tch all green LEDs light and go out step by step During this time the output is closed The unit is in the operating mode 4 When making manual adjustments to the SP if no button is pressed for two seco...

Страница 50: ...t within panels can damage components inhibit good air circulation and make visual inspections difficult Water Treatment Special care must be taken when utilizing open system water that is usually not...

Страница 51: ...load condition between 25 to 100 percent load per circuit NOTICE The charge can be added at any load condition between 25 to 100 percent load per circuit CAUTION Evaporator water flow MUST be establis...

Страница 52: ...last fault analysis X III Condenser A Confirm correct water flow and pressure drop O X B Confirm appropriate water treatment O C Clean and Leak Test condenser tubes X X X D Eddy Current Test tube wall...

Страница 53: ...warranty 3 This warranty shall not apply to products or parts a that have been opened disassembled repaired or altered in each case by anyone other than Company or its authorized service representativ...

Страница 54: ...rols wired Wiring complies with National Electrical Code and local codes See Note 4 Condenser pump starting relay CP1 2 installed and wired See Note 3 Miscellaneous Yes No N A Initials Oil cooled wate...

Страница 55: ...55 IOM 1372 WWW DAIKINAPPLIED COM...

Страница 56: ...HANDLERS WATER COOLED CHILLERS AIR COOLED CHI L L ER S M ODU LAR CENTRAL PLANTS SITELINE BUILDING CONTROL S UNIT HEATERS FAN COILS AIR PURIFIERS WATER SOURCE HEAT PUMPS VARIABLE AIR VOLUME UNITS UNIT...

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