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© JBG-HT (v.2.0)

SERVICE MANUAL 

– HEAT PUMP

2.2.  Important warnings

The device is not intended for use by children.

Read this manual before use.

Assembly, disassembly, installation work 

and maintenance of the device must be 

performed by qualified personnel. 

It is forbidden to make any changes to the 

structure of the unit. Failure to do so may result 

in injury to persons or damage to the unit.

Before performing any operations on the 

unit, make sure that the electrical power 

to the heat pump unit is turned off.

If the power cord becomes loose or 

damaged, make sure to always call 

a qualified person to repair it.

The power supply to the device 

must be grounded.

The device should be kept away from 

environments that are flammable or corrosive.

A dedicated electrical connection should be used 

to power the device, otherwise, failure may occur.

Do not touch the grille of the 

air exhaust and outlet.

Do not direct a stream of water 

directly on the device. Power leakage 

or product failure may occur.

When the device is in operation, never cover it 

with clothes, cloth or other material that blocks 

the ventilation of the product, as this may lead to 

low efficiency or even malfunction of the device.

If the power cord is damaged, take the device out 

of service and call a qualified person to repair it.

It is mandatory to use the appropriate heat 

pump circuit breaker and make sure that the 

power supply complies with the specifications. 

Otherwise, the unit may be damaged.

Tab. 2.  Important warnings

Summary of Contents for ZHHS-01-10K-R290-V5-M

Page 1: ...AL HEAT PUMP JBG 2 SP Z O O RESERVES THE RIGHT TO MAKE CHANGES TO THE PRODUCTS AND INFORMATION CONTAINED IN THE DOCUMEN TATION WITHOUT NOTICE ALL RIGHTS RESERVED Translation of the original manual ATT...

Page 2: ......

Page 3: ...contamination from leaking refrigerant 7 3 starting up the heat pump 8 3 1 Controller Main Screen 8 3 2 Menu Icons 8 3 3 Turning on and off 9 3 4 CH and DHW temperature settings 9 3 5 Logging in 9 3...

Page 4: ...on Plant central heating DHW domestic hot water Plant DHW central heating domestic hot water 2 SAFETY Before using the device it is essential to read the instruction manual Failure to do so may lead t...

Page 5: ...ing harmful substance risk of suffocation Warning risk of explosion Warning sudden loud noise Warning automatic activation Warning low temperature R290 Warning of fire hazard substances in combination...

Page 6: ...st be grounded The device should be kept away from environments that are flammable or corrosive A dedicated electrical connection should be used to power the device otherwise failure may occur Do not...

Page 7: ...interference with the operation of the product the electrical supply should be within the speci fied limits 3 phase 400 V 10 50 Hz 2 8 Risk of environmental contamination from leaking refrigerant The...

Page 8: ...down mode pump off defrost standby mode 1 outdoor temperature 4 current date and time 6 active calendar 2 DHW temperature 5 heat pump status mode 7 installation operation mode 3 CH temperature 3 2 Men...

Page 9: ...is off 3 4 CH and DHW temperature settings CH operation point Measured value DHW operation point Measured value Settings should be made for the various available modes of operation 3 5 Logging in Acce...

Page 10: ...lendar Calendar activation 3 6 2 Calendar Operation modes of the installation during schedule activity Inactive Comfort Off Boost Economic 3 6 3 Setting a schedule The working day of the unit can be d...

Page 11: ...according to the colors of the mode icons on the right Clicking on the bar of each day takes you to the day settings 3 6 6 Special days It is possible to set up to 6 special days on which the heat pum...

Page 12: ...ctive mode off on accelerated defrost pre ventive anti freeze manual Circulation pump on off DHW Pump on off Heater on off 3DR Valve central heating domestic hot water 4 2 Other information Compressor...

Page 13: ...condary external temperature U5 Discharge pressure B5 Heating circuit 2 temperature U6 Outlet temperature from the exchanger to the unit B6 Secondary probe U7 Crankcase temperature DI1 Heater thermist...

Page 14: ...v delay time for which the outside tempera ture must stay below Ext Temp OFF for the heat pump to turn on HP Deact delay time for which the outside tempera ture must remain above the Ext Temp OFF for...

Page 15: ...ST mode Startup The time after startup when the lack of flow is not treated as an error Running time duration of absence of flow which will trigger the first alarm Alarm stop time duration of absence...

Page 16: ...ontrolled by 0 10V signal supporting mixer valve Y3 output con trolled by PWM signal supporting circulating pump Manual Mode choice between automatic control and manual setting of the mixer valve Valv...

Page 17: ...rge pump Plant temp regulation depending on the current temperature in the buffer UnitON on whenever heat pump is on OFF always off Always ON always on Setpoint temperature setpoint in the buffer Diff...

Page 18: ...rm is to operate according to the Setpoint offset or Temp level rules Setpoint offset the difference between the setpoint temperature and the measured temperature above which the cold water alarm will...

Page 19: ...value by how many degrees the heating curve is to be raised lowered in Boost mode set in Aa025 window modes set with the calendar 5 2 EEV Manual ability to manually set the opening degree of the EEV v...

Page 20: ...ercentage Startup compressor speed during the first three minutes after startup Max overall maximum permissible compressor speed Min minimum permissible compressor speed Actual max rps maximum permiss...

Page 21: ...Boost intelligent support of the compressor in CH mode Thresh the ambient temperature threshold below which the heater in CH mode can start in compressor support mode Diff after returning to the high...

Page 22: ...W Boost intelligent compressor support in DHW mode Thresh the ambient temperature threshold below which the heater in DHW mode can start up Diff after returning to the higher Thresh Diff tem perature...

Page 23: ...he evaporation temperature for which the fan operates at minimum speed Min minimum value of fan speed Max maximum value of fan speed Speed Up time period of fan operation at 100 speed after start up D...

Page 24: ...ter will run until the defrost pro cedure is completed Differential AUTO enable automatic change of the fan control curve depending on the ambient tempera ture Defrost AUTO enable automatic change of...

Page 25: ...e of the heat pump dis connected from power that will not reset the number of finished crankcase heating minicycles Off Hours the minimum time of the heat pump dis connected from power that will make...

Page 26: ...etric water flow value Screed Heat Enable enable the screed heating mode Start Day setting the day from which the mode is to start Current Day reading of the current day of the mode Current SetP value...

Page 27: ...Offset calibration of the suction pressure transducer Type selection of suction pressure transducer type Min minimum suction pressure value Max maximum value of suction pressure Value current value o...

Page 28: ...ure Enable enable calendar operation for heat pump mode selection in CH mode Current date and time Plant status the mode in which the heat pump is cur rently operating Day selection of a day to set Co...

Page 29: ...tion of operation mode and its start time Save data field to confirm saving the settings Vacation period allows to set a given mode in the period from the start day to the end day Special Days allows...

Page 30: ...e time Day setting the day of the week Zone time zone selection Update field for confirmation User interface unit of measure selection of units used in the user interface Web pages unit of measure sel...

Page 31: ...medium for import export of parameters File name file name selection Confirm field to confirm the procedure 5 9 Logging out Press ENTER to Log Out pressing the ENTER button logs the user out The devic...

Page 32: ...y Produkcja Factory Sekretariat Secretariat 43 254 Warszowice ul Gajowa 5 Poland 43 240 ory al Jana Paw a II 46 Poland 48 32 494 00 00 info jbg2 com PRODUCER OF PROFESSIONAL REFRIGERATION EQUIPMENT PR...

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