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14 Technical data

Installer reference guide

EWAQ+005BAVP

Packaged air-cooled water chillers and packaged air to water heat

pumps

4P492900-1 – 2017.06

14.2

Wiring diagram: Outdoor unit

See the internal wiring diagram supplied with the unit (on the inside of the outdoor unit switch box cover). The abbreviations used are listed
below.

Outdoor unit: compressor module

C110~C112

Capacitor

DB1, DB2, DB401

Rectifier bridge

DC_N1, DC_N2

Connector

DC_P1, DC_P2

Connector

DCP1, DCP2,

Connector

DCM1, DCM2

Connector

DP1, DP2

Connector

E1, E2

Connector

E1H

Drain pan heater

FU1~FU5

Fuse

HL1, HL2, HL402

Connector

HN1, HN2, HN402

Connector

IPM1

Intelligent power module

Live

LED 1~LED 4

Indication lamps

LED A, LED B

Pilot lamp

M1C

Compressor motor

M1F

Fan motor

MR30, MR306,
MR307, MR4

Magnetic relay

MRM10, MRM20

Magnetic relay

MR30_A, MR30_B

Connector

Neutral

PCB1

Printed circuit board (main)

PCB2

Printed circuit board (inverter)

PCB3

Printed circuit board (service)

Q1DI

Earth leakage circuit breaker

Q1L

Overload protector

R1T

Thermistor (discharge)

R2T

Thermistor (heat exchanger)

R3T

Thermistor (air)

S1NPH

Pressure sensor

S1PH

High pressure switch

S2~S503

Connector

SA1

Surge arrestor

SHEET METAL

Terminal strip on fixed plate

SW1, SW3

Push buttons

SW2, SW5

DIP switches

Connector

V2, V3, V401

Varistor

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

Compressor switch box

Control box

External outdoor ambient sensor
option

Hydro switch box supplied from
compressor module

Hydro switch box

Indoor

NO valve

Normal open valve

Normal kWh rate power supply

Only for normal power supply
(standard)

Only for preferential kWh rate
power supply (compressor)

Outdoor

Preferential power supply

Preferential kWh rate power
supply

Use normal kWh rate power
supply for hydro switch box

(2) Hydro switch box layout

(3) Notes

X4M

Main terminal

Earth wiring

Wire number 15

Field supply

Several wiring possibilities

Option

Wiring depending on model

Switch box

PCB

(4) Legend

A1P

Main PCB

A2P

Current loop PCB

Q*DI

Earth leakage circuit breaker

R6T

External outdoor ambient sensor
option

Содержание EWAQ004BAVP

Страница 1: ...er chillers and packaged air to water heat pumps English Installer reference guide Packaged air cooled water chillers and packaged air to water heat pumps EWAQ004BAVP EWAQ005BAVP EWYQ004BAVP EWYQ005BA...

Страница 2: ...ng 23 6 3 1 Water circuit requirements 23 6 3 2 Formula to calculate the expansion vessel pre pressure 24 6 3 3 To check the water volume and flow rate 24 6 3 4 Changing the pre pressure of the expans...

Страница 3: ...d over to the user 70 10 1 About locking and unlocking 70 Possible function locks 70 To check if locking is active 70 To activate or deactivate a function lock 70 To activate or deactivate button lock...

Страница 4: ...d on the outdoor unit are best done under dry weather conditions to avoid water ingress In accordance with the applicable legislation it might be necessary to provide a logbook with the product contai...

Страница 5: ...cylinder upside down Open refrigerant cylinders slowly Charge the refrigerant in liquid form Adding it in gas form may prevent normal operation CAUTION When the refrigerant charging procedure is done...

Страница 6: ...er supply is three phase and the compressor has an ON OFF starting method If there exists the possibility of reversed phase after a momentary black out and the power goes on and off while the product...

Страница 7: ...nce and service How to maintain and service the units Troubleshooting What to do in case of problems Disposal How to dispose of the system Technical data Specifications of the system Glossary Definiti...

Страница 8: ...t EKMBHBP1 only applies in case valve kit EKMBHBP1 is part of the system If so do NOT take into account the instruction sheet delivered with the valve kit it is overruled by the one delivered with the...

Страница 9: ...nd cannot be used standalone To be able to use the backup heater it is required that optional control box EKCB07CAV3 is part of the system 3 5 1 To unpack the backup heater 1 2 3 5 2 To remove the acc...

Страница 10: ...el Control box Location Model identification Example EK CB 07 CA V3 Code Description EK European kit CB Control box 07 Capacity class CA Model series V3 Power supply 4 2 3 Identification label Option...

Страница 11: ...l space to be heated EKRUMCL1 is standard available with a language pack that contains English French Italian and Spanish Other languages can be uploaded by PC software For installation instructions s...

Страница 12: ...dendum book for optional equipment INFORMATION The remote indoor sensor can only be used in case the user interface is configured with room thermostat functionality You can only connect either the rem...

Страница 13: ...ernal room thermostat The under floor heating or radiators are directly connected to the outdoor unit or to the backup heater if there is one The room temperature is controlled by the wireless externa...

Страница 14: ...fan coil units if this signal is compatible with the fan coil units The shut off valve Configuration Setting Value Unit temperature control A 2 1 7 Code C 07 1 Ext RT control Unit operation is decide...

Страница 15: ...ats are connected to the shut off valves and do NOT have to be connected to the outdoor unit The outdoor unit will supply leaving water all the time with the possibility to program a leaving water sch...

Страница 16: ...water temperature Number of water temperature zones A 2 1 8 Code 7 02 0 1 LWT zone Main 5 3 Setting up an auxiliary heat source for space heating Space heating can be done by The outdoor unit An auxil...

Страница 17: ...nually operated contact Setup Connect the following field wiring L N H Com A K2A K1A X2M BTI K2A K1A Outdoor Auto Boiler 1 4 X Y Control box BTI Boiler thermostat input A Auxiliary contact normal clos...

Страница 18: ...grid Three phase Example Single phase power meter Three phase power meter b c c e d A B C D a f g 580 1 50 0 0 A Outdoor unit B Control box C Option box D Backup heater kit a Electrical cabinet L1 N b...

Страница 19: ...the system In some countries legislation limits the maximum power consumption for space heating Pi t DI a b Pi Power input t Time DI Digital input power limitation level a Power limitation active b Ac...

Страница 20: ...erature sensor in the following cases Indoor ambient temperature In room thermostat control the user interface is used as room thermostat and it measures the indoor ambient temperature Therefore the u...

Страница 21: ...of operation due to decrease of low pressure or increase of high pressure a broken fan if a strong wind blows continuously on the fan it may start rotating very fast until it breaks It is recommended...

Страница 22: ...n site requirements of the control box INFORMATION Also read the precautions and requirements in the General safety precautions chapter Mind the measurement guidelines Maximum distance between control...

Страница 23: ...piping Tools Only use appropriate tooling to handle brass which is a soft material If NOT pipes will get damaged Connecting piping Air moisture dust If air moisture or dust gets into the circuit prob...

Страница 24: ...it and will NOT be removed by the standard filter of the heat pump system Thermostatic mixing valves In accordance with the applicable legislation it may be necessary to install thermostatic mixing va...

Страница 25: ...rate will NOT be displayed on the user interface In this case the minimum flow rate can be checked by way of the pump test check that the user interface does NOT display error 7H NOTICE When circulat...

Страница 26: ...s equipment is to be installed to know whether it is appropriate to connect the equipment in one of the preferential kWh rate power supply delivery systems available if any When the equipment is conne...

Страница 27: ...rate power supply voltage free contact 2 d 13 Space heating cooling operation control or shut off valve 2 i 14 Room thermostat 3 or 4 100 mA e 15 Valve kit EKMBHBP1 3 g a Cable section 2 5 mm b Cable...

Страница 28: ...r refer to 7 8 Connecting the electrical wiring on page 37 7 Installation 7 1 Overview Installation This chapter describes what you have to do and know on site to install the system Typical workflow I...

Страница 29: ...he outdoor unit 7 3 1 About mounting the outdoor unit When You have to mount the outdoor unit before you can connect the water piping Typical workflow Mounting the outdoor unit typically consists of t...

Страница 30: ...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 I...

Страница 31: ...Avoid drain water flowing over the footpath so that it does not become slippery in case of ambient freezing temperatures If you install the unit on a frame install a waterproof plate within 150 mm of...

Страница 32: ...nting the option box INFORMATION Also read the precautions and requirements in the following chapters General safety precautions Preparation 7 5 2 To install the option box 1 Remove the front plate 2...

Страница 33: ...nsulating the water piping 7 7 2 Precautions when connecting the water piping INFORMATION Also read the precautions and requirements in the following chapters General safety precautions Preparation 7...

Страница 34: ...talled under the backup heater are resistant to at least dripping water IPX1 The installation site requirements for the valve kit depend on the required leaving water temperature setpoint underfloor h...

Страница 35: ...ither add glycol to the water circuit or provide the outdoor field piping with heater tape according to the table below If then Standard model no H in the model name Add glycol to the water circuit ac...

Страница 36: ...it In any case make sure that the flexible hose of the pressure relief valve is ALWAYS free to release pressure Prevent water from staying and or freezing up inside the hose WARNING Due to presence of...

Страница 37: ...eater if applicable 6 Connecting the main power supply 7 Connecting the backup heater power supply if applicable 8 Connecting the user interface 9 Connecting the shut off valves if applicable 10 Conne...

Страница 38: ...kWh rate power supply Preferential kWh rate power supply Shut off valve field supply Space heat cool operation control c Main power supply Main power supply 4 Inside the unit route the wiring as foll...

Страница 39: ...rol box EKCB07CAV3 is NOT part of the system connect the user interface directly to the outdoor unit according to the instructions below If control box EKCB07CAV3 is part of the system connect the use...

Страница 40: ...o damage it Onto control box In the room 4 Fix the wall plate of the user interface to the front panel of the control box using the M4 bolts and nuts from the accessory bag Be careful NOT to distort t...

Страница 41: ...voltage wiring b High voltage wiring c Main power supply NOTICE The distance between the high voltage and low voltage cables should be at least 25 mm 7 8 9 To connect the control box power supply 1 Co...

Страница 42: ...ectors from the accessory bag to X5A on A1P of both the control box and the option box PCB 2 Connect the connectors by way of a field supplied cable X5A A4P X5A A4P a b a a Connectors accessory b Inte...

Страница 43: ...07CAV3 To be connected to option box EK2CB07CAV3 1 Connect the space cooling heating ON OFF output cable to the appropriate terminals as shown in the illustration below X8M X1M 1 2 2 Fix the cable wit...

Страница 44: ...d 75 A per phase b This equipment complies with EN IEC 61000 3 11 European International Technical Standard setting the limits for voltage changes voltage fluctuations and flicker in public low voltag...

Страница 45: ...1 To connect the backup heater kit to the control box INFORMATION Requires to be connected to control box EKCB07CAV3 1 For the thermistor connect 2 wires between backup heater terminals X15M 1 2 and c...

Страница 46: ...that the tightening torque does NOT exceed 4 1 N m 7 10 Finishing the control box installation 7 10 1 To close the control box 1 Close the front plate 7 11 Finishing the option box installation 7 11 1...

Страница 47: ...staller 2 Go to A 8 Installer settings Overview settings To set the user permission level to Installer 1 Set the user permission level to Adv end user 2 Go to 6 4 Information User permission level 3 P...

Страница 48: ...djust 5 Select the required action Send data the user interface you are operating contains the correct data and the data on the other user interface will be overwritten Receive data the user interface...

Страница 49: ...A 2 1 7 C 07 Unit control method 0 LWT control Unit operation is decided based on the leaving water temperature regardless the actual room temperature and or heating or cooling demand of the room 1 E...

Страница 50: ...ines on page 12 0 No default NOT installed The thermistor in the user interface and in the outdoor unit are used for measurement 1 Outdoor sensor Remote outdoor sensor connected to the outdoor unit Th...

Страница 51: ...ue in case an auxililary boiler is used See 5 Application guidelines on page 12 2 N A 3 N A Code Description A 2 2 F 2 C 09 Alarm output Indicates the logic of the alarm output on option box EK2CB07CA...

Страница 52: ...mperature is determined automatically depending on the outdoor temperature Low outdoor temperatures will result in warmer water and vice versa During weather dependent operation the user has the possi...

Страница 53: ...temperature equals or rises above the high ambient temperature Between minimum and maximum leaving water temperature 9 03 C 9 02 C default 18 C Note This value should be lower than 1 08 as for high o...

Страница 54: ...um setpoint Refer to the illustration below a 8 06 8 06 b Ta Tt a Weather dependent curve b Minimum leaving water temperature setpoint required to reach a stable condition on the comfort setpoint for...

Страница 55: ...temp heating 37 C 55 C default 55 C Code Description A 3 1 1 2 1 9 01 Minimum temp heating 15 C 37 C default 25 C A 3 1 1 2 4 9 02 Maximum temp cooling 18 C 22 C default 22 C A 3 1 1 2 3 9 03 Minimum...

Страница 56: ...r interface or external room sensor CANNOT be installed on the ideal installation location see installation manual and or installer reference guide Code Description Room temp offset Offset on the actu...

Страница 57: ...range Depending on the average outdoor temperature the operation of the unit in space heating or space cooling is prohibited Space heating OFF temp When the averaged outdoor temperature rises above th...

Страница 58: ...e backup heater will automatically take over the heat load When auto emergency is set to Manual and a heat pump failure occurs space heating operation will stop and needs to be recovered manually The...

Страница 59: ...ler efficiency should be chosen as follows Code Description A 6 A 7 05 0 Very high 1 High 2 Medium 3 Low 4 Very low INFORMATION Electricity price can only be set when bivalent is ON A 2 2 6 1 or C 02...

Страница 60: ...unit can be interrupted internally by Hydro part control during stand still conditions no space heating cooling The final decision to allow power interruption of the outdoor unit during standstill dep...

Страница 61: ...Pump operation When the pump operation function is disabled the pump will stop if the outdoor temperature is higher than the value set by 4 02 or if the outdoor temperature drops below the value set...

Страница 62: ...Q004 005BAVP Packaged air cooled water chillers and packaged air to water heat pumps 4P492900 1 2017 06 9 0D 0 9 0D 5 a kPa b l min a kPa b l min a kPa b l min a kPa b l min 9 0D 6 9 0D 7 9 0D 8 a kPa...

Страница 63: ...n Sensor information Energy metering Error handling User permission level Actuators Operation modes Running hours Version Energy metering Consumed elec Produced energy Error information Error history...

Страница 64: ...lable home pages Set schedules Room temp LWT main Quiet mode Preset values Room temperature LWT main Quiet level Set weather dependent 7 7 Set weather dependent Main 7 7 1 Main Set weather dependent h...

Страница 65: ...type 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 t...

Страница 66: ...power supply voltage matches the voltage on the identification label of the unit There are NO loose connections or damaged electrical components in the switch box There are NO damaged components or sq...

Страница 67: ...ollect any fluid that might leak out of the valve If this fluid is NOT collected it might drip on internal components and damage the unit INFORMATION To purge air use all air purge valves present in t...

Страница 68: ...t run of the pump will start Prerequisite Make sure that the leaving water temperature home page and room temperature home page are turned OFF 1 Set the user permission level to Installer See To set t...

Страница 69: ...edule will stop when a blank step is programmed OR when 20 consecutive steps have been executed To perform an underfloor heating screed dryout INFORMATION Preferential kWh rate power supply cannot be...

Страница 70: ...and try to use a function that is locked is displayed for 1 second To activate or deactivate a function lock 1 Press to go to the menu structure 2 Press for more than 5 seconds 3 Select a function and...

Страница 71: ...e in open position when the power is turned OFF WARNING If the internal wiring is damaged it has to be replaced by the manufacturer its service agent or similarly qualified persons Glycol concentratio...

Страница 72: ...ce NOT the error that caused the deblocking routine to stop To make this error appear first accept the 7H 05 error 12 3 2 Symptom The compressor does NOT start Possible causes Corrective action The un...

Страница 73: ...otector of the backup heater has not been activated If it has check the following and then press the reset button in the switch box The water pressure Whether there is air in the system The air purge...

Страница 74: ...or Please contact your dealer J5 00 OU Suction pipe temperature sensor problem Please contact your dealer J6 00 OU Malfunction of heat exchanger thermistor Please contact your dealer Error code Detail...

Страница 75: ...in the table below the unit will temporarily stop operation and the user interface will display error 7H 01 After some time this error will reset automatically and the unit will resume operation Mini...

Страница 76: ...a specialized treatment facility INFORMATION For more details see the service manual 13 2 To pump down Example To protect the environment pump down when disposing of the unit It is NOT required to pum...

Страница 77: ...Shut off valve with drain fill valve 4 Flow switch 5 Pump 6 Flow sensor 7 Air purge 8 Plate heat exchanger 9 Safety valve 10 Filter 11 Expansion vessel 12 R1T Outlet water heat exchanger thermistor 1...

Страница 78: ...ristor 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...

Страница 79: ...ly 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...

Страница 80: ...option S1P Digital power limitation input 1 S2P Digital power limitation input 2 S3P Digital power limitation input 3 S4P Digital power limitation input 4 S5P S6P Electrical meters X M Terminal strip...

Страница 81: ...or L N earth Backup heater power supply 3 6 9 kW 400 V or 230 V earth Only for KRTR wireless room thermostat Only for KRTW wired room thermostat 2 core 3m included signal R2T External sensor floor or...

Страница 82: ...10 13 16 19 22 25 28 31 20 23 26 29 32 A C A C B C DB A Leaving water evaporator temperature B Dry bulb temperature Relative humidity 40 Relative humidity 60 Relative humidity 80 Example Given are an...

Страница 83: ...low rate C Operation range Notes About the dashed lines The operation area is extended to lower flow rates only in case the unit operates with heat pump only and the temperature of the flow medium is...

Страница 84: ...for a certain product or application explaining how to install configure and maintain it Operation manual Instruction manual specified for a certain product or application explaining how to operate it...

Страница 85: ...1 7 Field settings table 6 8 2 ID66F4 Applicable units EWAQ004BAVP EWAQ005BAVP EWYQ004BAVP EWYQ005BAVP EWAQ004BAVP H EWAQ005BAVP H EWYQ004BAVP H EWYQ005BAVP H Notes 1 EWYQ 2 EWAQ 4P469115 1B 2017 06...

Страница 86: ...main zone cooling WD curve R W 10 25 C step 1 C 20 C 7 7 1 2 1 07 Set weather dependent cooling High ambient temp for LWT main zone cooling WD curve R W 25 43 C step 1 C 35 C 7 7 1 2 1 08 Set weather...

Страница 87: ...oling R W 15 25 C step A 3 2 4 15 C A 3 2 1 4 3 08 Room temp range Maximum temp cooling R W 25 35 C step A 3 2 4 35 C A 3 2 2 2 0A R W 5 5 C step 0 5 C 0 C A 3 2 3 2 09 R W 5 5 C step 0 5 C 0 C A 3 2...

Страница 88: ...8 3 03 4 A 8 3 04 2 A 8 3 05 1 A 8 3 06 R W 18 30 C step A 3 2 4 30 C A 8 3 07 R W 12 18 C step A 3 2 4 16 C A 8 3 08 R W 25 35 C step A 3 2 4 35 C A 8 3 09 R W 15 25 C step A 3 2 4 15 C A 8 4 00 R W...

Страница 89: ...7 C step 1 C 25 C A 8 9 02 R W 18 22 C step 1 C 22 C A 8 9 03 R W 5 18 C step 1 C 5 C A 8 9 04 R W 1 4 C step 1 C 1 C A 8 9 05 25 A 8 9 06 55 A 8 9 07 5 A 8 9 08 22 What is the maximum desired LWT for...

Страница 90: ...8 D 0D R W 0 49 0 A 8 D 0E R W 0 49 0 A 8 E 00 R O 1 Minichiller A 8 E 01 R O 0 1 0 8 A 8 E 02 R O 0 Type 1 1 1 Type 2 2 A 8 E 03 R W 0 No BUH 1 1 step 2 2 steps A 8 E 04 R O 0 No 1 Yes A 8 E 05 0 A...

Страница 91: ...E 0E 0 A 8 F 00 R W 0 Disabled 1 Enabled A 8 F 01 R W 10 35 C step 1 C 20 C A 8 F 02 3 A 8 F 03 5 A 8 F 04 0 A 8 F 05 0 A 8 F 06 0 A 8 F 09 R W 0 Disabled 1 Enabled A 8 F 0A 0 A 8 F 0B 0 A 8 F 0C 1 A...

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