MAXA HWA1-A 0140 Manual Download | Manualshive

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AIR/WATER CHILLERS AND HEAT PUMPS

WITH AXIAL FANS

CONTROLLER MANUAL

Models

HWA1-A / HWA1-H 0140
HWA1-A / HWA1-H 0147
HWA1-A / HWA1-H 0260
HWA1-A / HWA1-H 0272
HWA1-A / HWA1-H 0285

This manual has been created for informative purpose. The company declines any responsibility for the results of any projecting or any installation based on the explanations and/or on

the technical specifications provided in this manual. It is besides forbidden the reproduction under any form of the texts and of the figures contained in this manual.

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Summary of Contents for HWA1-A 0140

Page 1: ...WA1 H 0285 This manual has been created for informative purpose The company declines any responsibility for the results of any projecting or any installation based on the explanations and or on the te...

Page 2: ...ONTROL 9 7 1 SET POINT ADJUSTMENT FROM 0 10V INPUT 9 7 2 CALCULATION OF THE CORRECTION WITH 0 10V INPUT 10 7 3 CALCULATION OF THE CORRECTION WITH RATIOMETRIC INPUT 10 7 3 1 Settings for standard clima...

Page 3: ...20 17 4 SETTING PARAMETERS 21 17 5 CONDENSATION PARAMETERS 21 17 6 COMPRESSOR PARAMETERS CONFIGURATION 21 18 USER AND INSTALLER ALLOWED CONFIGURATION TABLES 21 18 1 SET POINT S CONFIGURATION PARAMETE...

Page 4: ...and competent in the existing rules in the country in which the appliance will be installed 3 GENERAL SAFETY GUIDELINES Before beginning to operate on the units every user has to be perfectly knowledg...

Page 5: ...er voltage To touch the equipment if you are not allowed If the lightning risk is high the unit must be protected the risk assessment must comply with the CEI EN 62305 2 regulation If there is a possi...

Page 6: ...e UP button In the setting mode this button allows you to move up to a higher menu or to increase the value of a parameter when you are in the edit mode DOWN button In the setting mode this button all...

Page 7: ...greater privilege Once you exit completely from the menus you lose the password privilege and need to re enter it 5 3 1 Setpoint menu You can display and change the various setpoints SETPOINT DESCRIP...

Page 8: ...ou can display the number of operating hours of the compressors and of the pumps Press the ESC button for 3 seconds to resets the actual number of operating hours Note that you can get access to the m...

Page 9: ...aged by the controller which calculates the compressor on and off events according to the setpoint based on heat within a differential If several compressors are configured the controller selects the...

Page 10: ...delay time between a compressor shutdown and shutdown of the next one 6 5 Deactivation of compressors for outdoor temperature If the outdoor temperature sensor is configured and is not in trouble so t...

Page 11: ...0 10V analogue input if enabled To enable the function you must set the H21 parameter to be 40 and change the values of the parameter b15 range 0 10 taking into account that if the input is at 0 volt...

Page 12: ...ulation of the circulator is linear type 8 1 Air purging of the system This function allows the air purging of the system to achieve this function the circulator will run at its maximum speed To enabl...

Page 13: ...draulic pump in anti freezing operation If the setting temperature is too low and the pump is off the pump will be activated automatically Pa P04 set antifreeze pump activation Pa P05 hysteresis pump...

Page 14: ...fan motor The condensation control is a function of the condensing pressure in chiller mode and the evaporation pressure in heat pump mode The fan speed can be independently controlled from the compre...

Page 15: ...nt the frost formation on the surface of the air air coil The frost formation on the evaporator which occurs more frequently at very low ambient temperatures in addition to greatly decreasing the ther...

Page 16: ...utput is active in COOLING operation The output is not active in heating operation The output is not active when the unit s OFF During the DHW production and defrosting cycle the output keeps the sett...

Page 17: ...ort Parameter Value Function H10 0 default Deactivated function 1 Active function in heating and cooling mode The remote on off function doesn t deactivate the domestic hot water production DHW 2 Acti...

Page 18: ...ction when the digital input is open Note If a temperature sensor is installed and configured this management will be ignored and the thermoregulation will be done on the basis of the detected tempera...

Page 19: ...below is reported an illustrating table regarding the operation of the system Mode of operation Active call of the heat pump Heating Temperature detected by the outlet sensor of the heat pump setpoin...

Page 20: ...ppropriately configured NC state connected on the terminals DI3E DI3E Thermostat contact normally open the secondary circulator will be activated Thermostat contact normally closed the secondary circu...

Page 21: ...SER AND INSTALLER The parameters can be activated and or edited by user or when using the installer password to get access in the CB Control menu which is located on the front panel of the unit DESCRI...

Page 22: ...6 COMPRESSOR PARAMETERS CONFIGURATION COMPRESSOR PARAMETERS CONFIGURATION Parameter Description Unit Default Range Visibility Allowed Configurations Notes n01 Output power from PC1 100 0 100 INSTALLER...

Page 23: ...output in heating sec 45 0 255 INSTALLER b08 Enabling dynamic set 0 0 1 INSTALLER b09 Max Offset in cooling dynamic set C 3 0 50 0 80 0 INSTALLER b10 Max Offset in heating dynamic set C 3 0 50 0 80 0...

Page 24: ...peration time of compressor with minimum frequency sec 60 0 255 INSTALLER 18 9 CONFIGURATION PARAMETERS OF GI Module PLANT MANAGEMENT Optional Parameter Description Unit Default Range Visibility Allow...

Page 25: ...peration If the discharge temperature drops below Pa C65 the alarm disappears and the compressors are again ready to operate 19 10E016 USAGE PUMP 1 THERMAL PROTECTION The alarm will be activated when...

Page 26: ...Antifreeze alarm Unit E006 Flow switch alarm Unit E009 High compressor s discharge temperature Unit E016 Usage pump 1 thermal overload protection Pump 1 E018 High temperature alarm in cooling operati...

Page 27: ...3 7208 7203 C 10 R W 5 0 23 0 Cooling 7204 C 10 R W 25 0 55 0 Heating 7205 C 10 R W 25 0 55 0 Sanitary 7206 C 10 R W 5 0 23 0 Second cooling 7207 C 10 R W 25 0 55 0 Second heating 7208 C 10 R W 0 0 80...

Page 28: ...C 10 R Compressors inhalation circuit 2 20433 C 10 R Compressor 1 discharge circuit 2 20434 C 10 R Compressor 2 discharge circuit 2 20435 C 10 R Compressor 3 discharge circuit 2 406 bar 100 R Pression...

Page 29: ...re fault inverter 1 E851 5 Hardware fault inverter 2 E852 6 Hardware fault inverter 3 E853 7 Overcurrent inverter 1 E861 8 Overcurrent inverter 2 E862 9 Overcurrent inverter 3 E863 10 High temperature...

Page 30: ...lla performed correctly E060 13 Anti legionella failed or stopped E061 if enabled the cycle is activated only if the DHW 4 5 6 status is terminated by the machine if the read value is equal to 32766 t...

Page 31: ......

Page 32: ...r Supervisor Notes Catalogo Catalogue Katalog Catalogue MCO14110G7720 06 Serie Series Serie Serie S rie HWA1 A H 0140 0285 AIR WATER CHILLERS AND HEAT PUMPS WITH AXIAL FANS Possible wasted electrical...

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