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8 Technical data

Installation manual

EWAQ+005BAVP
Packaged air-cooled water chillers and packaged air to water heat
pumps
4P469106-1 – 2017.01

English

Translation

TR1

Power supply transformer

X*M

Terminal strip

X*Y

Connector

PCB3

Service PCB

M2S

Shut-off valve

Optional

Field supply

Control box

English

Translation

(1) Connection diagram

BUH option

Backup heater option

Control box

Hydro switch box

NO valve

Normal open valve

Only for ext. sensor (floor or
ambient)

Only for external sensor (floor or
ambient)

Only for wired On/OFF
thermostat

Only for wireless On/OFF
thermostat

Option box

Preferential kWh rate power
supply contact: 5 V DC detection
(voltage supplied by PCB)

(2) Notes

X1M

Main terminal

Earth wiring

Wire number 15

Field supply

Several wiring possibilities

Option

Wiring depending on model

Switch box

PCB

(3) Control switch box layout

(4) Legend

A3P

On/OFF thermostat (PC=power
circuit)

A4P

Extension PCB (control, optional)

A5P

User interface PCB

A7P

Receiver PCB (wireless On/OFF
thermostat)

M2S

Shut-off valve

M4S

Valve kit

Q*DI

Earth leakage circuit breaker

R1T (A3P)

Ambient sensor On/OFF
thermostat

R2T (A3P)

External sensor (floor or ambient)

S1S

Preferential kWh rate power
supply contact

X*M/K1

Terminal strip

X*Y

Connector

K1A

Relay for heating

K2A

Relay for cooling

Optional

Field supply

Control box option: backup heater

English

Translation

(1) Connection diagram

BUH option

Backup heater option

Control box

Only for ***

(2) Notes

Earth wiring

Wire number 15

Field supply

Several wiring possibilities

Option

Wiring depending on model

Switch box

PCB

(3) BUH kit switch box

(4) Legend

F1B

Overcurrent fuse backup heater

K1R

Relay backup heater (step 1)

K2R

Relay backup heater (step 2)
(only for *9W)

K1M

Contactor backup heater (step 1)

K2M

Contactor backup heater (step 2)
(only for *9W)

K5M

Safety contactor backup heater
(only for *9W)

Q*DI

Earth leakage circuit breaker

Q1L

Thermal protector backup heater

R2T

Outlet backup heater thermistor

X*M

Thermistor strip

X*Y

Connector

Optional

Field supply

Control box option: option box

English

Translation

(1) Connection diagram

Alarm output

Control box

Electric pulse meter inputs: 5 V
DC pulse detection (voltage
supplied by PCB)

Electric pulse meter inputs:
5 V DC pulse detection (voltage
supplied by PCB)

Ext. heat source

External heat source

External indoor ambient sensor
option

Indoor

Max. load

Maximum load

Max. voltage

Maximum voltage

Min. load

Minimum load

Option box

Power limitation digital inputs: 5
V DC detection (voltage supplied
by PCB)

Power limitation digital inputs:
5 V DC detection (voltage
supplied by PCB)

Space C/H On/OFF output

Space cooling/heating On/OFF
output

(2) Legend

A4P

Extension PCB (control, optional)

Содержание EWAQ004BAVP

Страница 1: ... Packaged air cooled water chillers and packaged air to water heat pumps English Installation manual Packaged air cooled water chillers and packaged air to water heat pumps EWAQ004BAVP EWAQ005BAVP EWYQ004BAVP EWYQ005BAVP ...

Страница 2: ...ormatiivsete dokumentidega kui neid kasutatakse vastavalt meie juhenditele съответстват на следните стандарти или други нормативни документи при условие че се използват съгласно нашите инструкции atitinka žemiau nurodytus standartus ir arba kitus norminius dokumentus su sąlyga kad yra naudojami pagal mūsų nurodymus tad ja lietoti atbilstoši ražotāja norādījumiem atbilst sekojošiem standartiem un c...

Страница 3: ...ser 17 7 1 About locking and unlocking 18 To activate or deactivate a function lock 18 To activate or deactivate button lock 18 8 Technical data 19 8 1 Piping diagram Outdoor unit 19 8 2 Wiring diagram Outdoor unit 20 1 About the documentation 1 1 About this document Target audience Authorised installers INFORMATION This appliance is intended to be used by expert or trained users in shops in light...

Страница 4: ...r unit Mind the following spacing guidelines 1200 250 400 250 400 250 350 350 mm mm a b b a a Air outlet b Air inlet INFORMATION If shut off valves are installed on the unit provide a minimum space of 400 mm at the air inlet side If shut off valves are NOT installed on the unit provide a minimum space of 250 mm Do NOT install the unit in sound sensitive areas e g near a bedroom so that the operati...

Страница 5: ...er interface 2 b Optional equipment 4 Remote outdoor sensor 2 c Field supplied components 5 Space heating cooling operation control or shut off valve 2 e Interconnection cable 6 Interconnection cable between outdoor unit and control box 2 d a Refer to name plate on outdoor unit b Cable section 0 75 mm till 1 25 mm maximum length 500 m Applicable for both single user interface and dual user interfa...

Страница 6: ...In any case provide at least 300 mm of free space below the unit Additionally make sure the unit is positioned at least 100 mm above the maximum expected level of snow mm 1 5 0 1 5 0 a 330 300 283 7 4 0 0 mm 100 a Maximum snowfall height It is possible to install the unit on brackets to the wall 250 400 300 250 400 mm a a Maximum snowfall height 4 2 2 To install the outdoor unit CAUTION Do NOT rem...

Страница 7: ... in cooling mode condensate may also form in the hydro part When providing drainage therefore make sure to cover the entire unit NOTICE If the unit is installed in a cold climate take adequate measures so that the evacuated condensate cannot freeze INFORMATION For information on the available options contact your dealer NOTICE Provide at least 300 mm of free space below the unit Additionally make ...

Страница 8: ...expected outdoor temperature Prevent from bursting Prevent from freezing 20 C 25 25 C 30 NOTICE The addition of glycol applies to BOTH cooling only models EWAQ004 005BAVP AND reversible models EWYQ004 005BAVP and is independent of cooling or heating operation ALWAYS add glycol if negative outdoor temperatures are expected The required concentration might differ depending on the type of glycol ALWA...

Страница 9: ...e 16 6 Refill the circuit until the pressure is 2 0 bar 7 Repeat steps 5 and 6 until no more air is purged and there are no more pressure drops 8 Close the drain and fill valve 9 Disconnect the water supply hose from the drain and fill valve 4 3 4 To insulate the water piping The piping in the complete water circuit MUST be insulated to prevent condensation during cooling operation and reduction o...

Страница 10: ...tdoor unit If control box EKCB07CAV3 is part of the system you can also connect the user interface to the control box To do this connect the user interface to control box terminals X2M 20 21 and then connect the control box to the outdoor unit by connecting X2M 20 21 to outdoor unit terminals X5M 1 2 INFORMATION For details on how to connect the user interface to the control box refer to the insta...

Страница 11: ...ences the following The calculations of the software What you can see on and do with the user interface How You can configure the system via the user interface First time Quick wizard When you turn ON the user interface for the first time via the indoor unit a quick wizard starts to help you configure the system Afterwards If necessary you can make changes to the configuration afterwards INFORMATI...

Страница 12: ...button 01 02 06 0a 0e 00 03 07 0b 0f 00 00 04 08 0c 00 01 05 09 0d 20 Overview settings Confirm Adjust Scroll 5 Repeat previous steps if you have to modify other settings 6 Push to confirm the modification of the parameter 7 At installer settings menu press to confirm the settings Installer settings The system will restart Confirm Adjust Cancel OK Result The system will restart 5 2 Basic configura...

Страница 13: ...can send a separate heating cooling thermo ON OFF condition Option box EK2CB07CAV3 Code Description A 2 2 F 1 C 02 External backup heater source 0 No None 1 Bivalent Gas boiler oil boiler 2 N A 3 N A Code Description A 2 2 F 2 C 09 Alarm output 0 Normally open The alarm output will be powered when an alarm occurs 1 Normally closed The alarm output will NOT be powered when an alarm occurs This inst...

Страница 14: ...cording to the difference between desired and actual room temperature This allows better matching of the heat pump capacity to actual required capacity and results in less start stop cycles of the heat pump and more economic operation N A 8 06 Leaving water temperature maximum modulation 0 C 10 C default 3 C Requires modulation to be enabled This is the value by which the desired leaving water tem...

Страница 15: ...ype Indoor software type Unit control method Pump operation mode Power saving possible User interface location Options External sensor Control box Option box Leaving water Main Delta T source Room thermostat Room temp range Room temp offset Ext room sensor offset Operation range Space heating OFF temp Space cooling On temp Backup heater Operation mode Enable BUH step 2 Equilibrium temp Prefer kWh ...

Страница 16: ...e pressure relief valve purges water when opened The minimum water volume is guaranteed in all conditions See To check the water volume in 3 2 Preparing water piping on page 4 If glycol was added to the system confirm the correct glycol concentration and check if glycol setting E 0D 1 NOTICE Make sure glycol setting E 0D matches the liquid inside the water circuit 0 water only 1 water glycol If th...

Страница 17: ...settings Commissioning Actuator test run 4 Select an actuator and press Example Pump 5 Select OK and press Result The actuator test run starts It automatically stops when finished To stop it manually press select OK and press Possible actuator test runs Backup heater step 1 test Backup heater step 2 test Pump test INFORMATION Make sure that all air is purged before executing the test run Also avoi...

Страница 18: ...ser to be able to change setpoint temperatures the simplified user interface or an external room thermostat is then required You can use the following locking modes Function lock Locks a specific function to prevent people from changing its settings Button lock Locks all buttons to prevent users from changing settings To activate or deactivate a function lock 1 Press to go to the menu structure 2 ...

Страница 19: ...9 CuT 7 9 CuT 7 9 CuT 1 4 3 2 t 12 7 CuT 12 7 CuT R4T 9 5 CuT 6 4 CuT 6 4 CuT M 6 4 CuT 6 4 CuT Discharge pipe thermistor Accumulator Compressor High pressure switch Muffler Muffler 4 way valve Pressure sensor Refrigerant flow Cooling Heating Liquid stop valveV Plate heat exchanger Gas stop valve with service port Air purge Flow sensor Pump Flow switch Outlet Shut off valve with drain fill valve E...

Страница 20: ...tor W Connector X11A X12A Connector X1M X2M Terminal strip Y1E Electronic expansion valve coil Y1R Reversing solenoid valve coil Z1C Z4C Ferrite core Field wiring Terminal strip Connector Terminal Protective earth BLK Black BLU Blue BRN Brown GRN Green ORG Orange PPL Purple RED Red WHT White YLW Yellow Outdoor unit hydro module English Translation 1 Connection diagram 1 Connection diagram Compress...

Страница 21: ... contact X M K1 Terminal strip X Y Connector K1A Relay for heating K2A Relay for cooling Optional Field supply Control box option backup heater English Translation 1 Connection diagram 1 Connection diagram BUH option Backup heater option Control box Control box Only for Only for 2 Notes 2 Notes Earth wiring 15 Wire number 15 Field supply 1 Several wiring possibilities Option Wiring depending on mo...

Страница 22: ...30V 230V 230V Control box External room thermostat main zone signal signal signal 2 or 3 core 2 core 2 core Power limitation demand input 4 Power limitation demand input 3 Power limitation demand input 2 Power limitation demand input 1 Only for normal power supply installation Only for preferential kWh rate power supply installation normal kWh rate power supply for unit 230 V or L N earth Backup h...

Страница 23: ......

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