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Operation manual

 

3

 

EWWP045~06 ECB1~3MUW

 

Packaged water-cooled water chillers

 

4PW30041-1A

 

Function of the main components

 

Figure - 

 

Functional diagram

As the refrigerant circulates through the unit, changes in its state or
condition occur. These changes are caused by the following main
components:

 

 

Compressor
The compressor (M*C) acts as a pump and circulates the
refrigerant in the refrigeration circuit. It compresses the refri-
gerant vapour coming from the evaporator to a pressure at
which it can easily be liquified in the condenser.

 

 

Condenser
The function of the condenser is to change the state of the
refrigerant from gaseous to liquid. The heat gained by the gas in
the evaporator is discharged through the condenser and the
vapour condenses to liquid.

 

 

Filter
The filter installed behind the condenser removes small particles
from the refrigerant to prevent blockage of the tubes.

 

 

Expansion valve
The liquid refrigerant coming from the condenser enters the
evaporator via an expansion valve. The expansion valve brings
the liquid refrigerant to a pressure at which it can easily be
evaporated in the evaporator.

 

 

Evaporator
The main function of the evaporator is to take heat from the
water that flows through it. This is done by turning the liquid
refrigerant, coming from the condenser, into gaseous
refrigerant.

 

 

Water inlet/outlet connection
The water inlet and outlet connections allow an easy connection
of the unit to the water circuit of the air handling unit or industrial
equipment.

S4LP

S1HP

S5LP

S2HP

R3T

R4T

R5T

Q2D

Q1D

HP

LP

HP

LP

M2C

M1C

S4LP

S1HP

S5LP

S2HP

R3T

R4T

R5T

Q2D

Q1D

HP

LP

HP

LP

M2C

M1C

S4LP

S1HP

S5LP

S2HP

R3T

R4T

R5T

Q2D

Q1D

HP

LP

HP

LP

M2C

M1C

52~72Hp

32~48Hp

16~24Hp

Condenser

Filter

Water 
inlet

Water 
outlet

Water

inlet

Water

outlet

Evaporator

Filter

Compressor

Compressor

Содержание EWWP045KAW1M

Страница 1: ...OPERATION MANUAL EWWP045KAW1M EWWP055KAW1M EWWP065KAW1M ECB1MUW ECB2MUW ECB3MUW Packaged water cooled water chillers...

Страница 2: ...arting up the unit for the first time make sure that it has been properly installed It is therefore necessary to carefully read the installation manual supplied with the unit and the recommendations l...

Страница 3: ...nning current A 10 4 13 1 15 0 10 4 10 4 13 1 13 1 13 1 15 15 10 4 13 1 10 4 13 1 13 1 13 1 15 13 1 15 15 27 11 23 26 500 500 500 2 3 1 4 20 17 12 13 24 21 18 25 16 22 19 28 28 28 8 5 6 9 7 10 15 14 1...

Страница 4: ...denser removes small particles from the refrigerant to prevent blockage of the tubes Expansion valve The liquid refrigerant coming from the condenser enters the evaporator via an expansion valve The e...

Страница 5: ...rough the water heat exchanger an interlock contact S11L of e g a flow switch must be installed in the start up circuit of the unit Internal wiring Parts table Refer to the internal wiring diagram sup...

Страница 6: ...ommendations Before switching on the unit read following recommendations 1 When the complete installation and all necessary settings have been carried out close all front panels of the unit 2 The serv...

Страница 7: ...ter a few minutes consult the actual operational information available in the list of direct parameters Also refer to the chapter Troubleshooting on page 19 Switching the unit off To switch the unit o...

Страница 8: ...he parameter codes 5 To consult other actual operational information repeat from instruction 2 onwards 6 To return to normal operation press the E key or wait approximately 40 seconds In the first cas...

Страница 9: ...s of the user password When scrolling through the list of parameters using the A and or Z key you see the direct parameters and user parameters The user parameters appear in the following order d to d...

Страница 10: ...g on the setting of user parameter d all temperature values are displayed in C or in F The conversion formulas from C to F and vice versa are T C T F 32 1 8 T F T C x 1 8 32 If user parameter d is set...

Страница 11: ...ars on the display Enabling or disabling the buzzer When an alarm is detected the buzzer is activated for the period defined by user parameter p4 The default limit and step values for the activation p...

Страница 12: ...arameter code h9 using the A and or Z key 3 Press the R key to switch to the parameter value 4 Select the appropriate setting using the A and or Z key 5 Press the R key to return to the list of parame...

Страница 13: ...and an initialization cycle is started Once all the timers have reached zero the unit starts up When a remote ON OFF switch is configured the following table applies 2 When the unit is started up for...

Страница 14: ...ture of condenser setpoint 2 In double thermostat operation two setpoints are reserved for inlet control of the evaporator and two others are reserved for inlet control of the condenser INLSETP 1 E in...

Страница 15: ...information i e the number of times a unit safety or a circuit safety occurred and the unit status at the moment of shutdown can be checked by means of the history menu To consult actual operational...

Страница 16: ...SOR TIMERS COMPR STARTED 00s BC COMPRESSOR TIMERS C11 GRD 000s AR 000s C12 GRD 000s AR 000s C21 GRD 000s AR 000s BW COMPRESSOR TIMERS C22 GRD 000s AR 000s C31 GRD 000s AR 000s C32 GRD 000s AR 000s BX...

Страница 17: ...SETTINGS screen of the user settings menu The default limit and step values for the thermostat parameters are Defining the lead lag mode The lead lag mode determines which module starts up first in ca...

Страница 18: ...ow through the evaporator stops after the flowstart timer has reached zero If the water flow has not restarted during the countdown the unit will shut down PUMPLEAD PUMPLEAD refer to the pump control...

Страница 19: ...l setpoint switch setpoint 1 or setpoint 2 REM ON OFF indicates the status of the remote on off switch CAP LIM1 2 3 indicates the status of the enable disable capacity limitation switch es The locked...

Страница 20: ...ivated The ON LED is broken Contact your local dealer The unit is in bypass mode Check the bypass remote contact POSSIBLE CAUSES CORRECTIVE ACTION One of the following safety devices is activated Comp...

Страница 21: ...ter filters Check if the mesh width is 1 mm maximum Disposal requirements Dismantling of the unit treatment of the refrigerant oil and any other parts should be done in accordance with the relevant lo...

Страница 22: ...t control default 32 48Hp 4 step thermostat control default 32 48Hp 6 step thermostat control default 52 72Hp 6 step thermostat control default 52 72Hp 0 1 2 a b Stepnumber Setpoint Temperature 0 1 2...

Страница 23: ...group settings of groups G1 G2 G3 G4 and H work similar as following example settings for group 1 MARCH MON TUE WED THU FRI SAT SUN 1 G1 2 G1 3 G2 4 G1 5 G1 6 G3 7 G3 8 G1 9 G1 10 G2 11 G1 12 G1 13 G...

Страница 24: ...HAS STOPPED OUTE1 07 0 C OUTE3 OUTE2 07 0 C 07 0 C e UNIT HISTORY 003 0AE FLOW HAS STOPPED C11 OFF SAF C21 C12 OFF SAF OFF SAF e UNIT HISTORY 003 0AE FLOW HAS STOPPED C22 OFF SAF C32 C31 OFF OFF e UN...

Страница 25: ...NOTES NOTES...

Страница 26: ...Zandvoordestraat 300 B 8400 Oostende Belgium 4PW30041 1A...

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