RDZ UMHPI User Manual Download

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Chiller and Heat Pumps

UMHPI Controller

USER MANUAL

UMHPI on-board electronic user controller

FAE0FA000BZ.00

06/2018

bit.ly/rdzwebsit

Summary of Contents for UMHPI

Page 1: ...Chiller and Heat Pumps UMHPI Controller USER MANUAL UMHPI on board electronic user controller ...

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Page 3: ... environmental respect the Company will not provide the hard copy in the original language which could be directly requested or downloaded from the Company website at any time In case of any dispute the original language manual will be the trusted one 00 10 2017 Alignment with Ver324Rev015rc12 Rev Date Notes Serie Series Serie Serie Série UMHPI INDUSTRIAL INVERTER AIR WATER HEAT PUMPS WITH AXIAL F...

Page 4: ...RESSORS 13 7 4 1 LOGIC OF ACTIVATION 13 7 4 2 LOGIC OF RELEASE 13 7 4 3 CAPACITY CONTROL 13 7 4 4 EMERGENCY CONDITIONS 14 7 4 5 DHW LOGIC CONTROL 14 7 4 6 DEFROST FUNCTION CONTROL 14 7 4 7 INVERTER COMPRESSOR CONTROL IN COOLING MODE 14 7 4 8 HEATING FUNCTION CONTROL 14 7 4 9 TRANSITORY OF STARTING 15 7 5 HEAT DISSIPATION FAN MOTOR CONTROL 15 7 5 1 FAN SPEED CONTROL 15 7 5 2 FAN SPEED CONTROL IN CO...

Page 5: ...T 29 8 4 1 SETTINGS 29 8 4 2 ADJUASTABLE SET POINT 30 8 4 3 COMMUTATIONS 30 8 5 MANAGEMENT OF THE SECONDARY CIRCULATOR RELAUNCHING PUMP 30 9 ACTIVABLE FUNCTIONS WITH KIE MODULE OPTIONAL 30 10 AVAILABLE FUNCTIONS WITH EVO TOUCH CONTROLLER OPTIONAL 31 11 TABLE OF ALLOWED PARAMETERS FOR THE USER AND INSTALLER 31 11 1 SETPOINT CONFIGURATION PARAMETERS 31 11 2 CONFIGURATION PARAMETERS 31 11 3 ALARMS CO...

Page 6: ...TTED USES The company excludes any contractual and extra contractual liabilities for damages caused to persons animals or objects by incorrect installation setting and maintenance improper use of the equipment and the partial or superficial reading of the information contained in this manual These units have been designed only for heating and or cooling water Any other use not expressly authorized...

Page 7: ...tric panel is limited only for authorized personnel Operators have to know how to use personal protective devices and have to know the accident prevention guidelines contained in national and international laws and norms The operator s workplace has to be kept clean tidy and free from objects that may prevent free movements Appropriate lighting of the work place shall be provided so as to allow th...

Page 8: ...ed manual It s recommended that the user must follow the instructions contained in this booklet especially those concerning the safety and routine maintenance 5 SYSTEM ARCHITECTURE The system UMHPI is composed of an electronic controller device a CB on board Master controller located on the front panel of the unit As for UMHPI V models and if are equipped with the optional kit mod GI the system in...

Page 9: ...ve 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 allows you to shift to a lower menu or to decrease the value of a parameter when you are in the edit mode WARNING All the operations described below must be carried out only by qualified personnel Not all the configurations can be simultaneously enabled and or ch...

Page 10: ...ified into groups each group is identified by a 3 digit code while the index of each parameter is preceded by a letter DESCRIPTION GROUP IDENTIFICATION CODE PARAMETER INDEX VISIBILITY Configuration CnF H USER INSTALLER Compressor CP C INSTALLER Fan motor FAn F INSTALLER Alarms ALL A INSTALLER Regulation Re b INSTALLER Pump PUP P INSTALLER Electric heater Fro r INSTALLER Defrosting dFr d INSTALLER ...

Page 11: ...nter with service password to the parameters PRG PSS PRG insert the service password PRG Par PRG CnF Ports Parameter Terminals Factory Setting Description Value Function Description ST8 H19 AID2 AID2 0 Not set Programmable analog input with NTC sensor 10kΏ at 25 C β 3435 ID2 H39 ONOFF ONOFF 2 From remote on off Digital input Voltage free contact Active function by default ID3 H40 SW SW 3 Remote su...

Page 12: ... 0 Not set Switching contact single phase voltage 230Vac 50Hz 5A resistive 1A inductive NO2 Normally open NC2 Normally Closed 3 Not selectable in the models of UMHPI V 7 OPERATION LOGIC The following operation logics are enabled by the master controller CB mounted on the front panel of the unit 7 1 DYNAMIC SETPOINT ADJUSTMENT The controller can change the setpoint by adding a value depending on th...

Page 13: ...ing the parameters 7 3 CIRCOLATOR The circulator of the pump can be set according to one of the following operation modes Operation by thermo regulator default Operation by thermo regulator with periodic activation Continuous operation The circulator SHUTDOWN immediately if There is a lock pump alarm including the manual reset flow switch alarm See paragraph 12 1 The unit is in stand by mode or wh...

Page 14: ... set to operate by thermos regulator actuation P03 1 default it will be activated periodically for a time period defined by the parameter P17 in seconds after a counting time set by the parameter P16 in minutes activated when the pump is turned off for satisfied thermoregulation In the case of the activation of the flow switch alarms with automatic reset the pump is still ON even if the compressor...

Page 15: ...only one compressor follows the variations of the thermoregulatory the other is maintained at the HzMaxReg 7 4 1 LOGIC OF ACTIVATION If the controller regulates all the modulating compressors in operation for to provide a capacity greater than the nominal value for a continuous time duration equal to b16 seconds the activation of a further available compressor is required In case of unavailability...

Page 16: ...ency Pa C18 according to what is required with the envelope the regime of the compressor is set by the value of the parameter C19 The compressor speed cannot be adjusted Anyway the eventual restrictions obtained from the envelope are still valid Please see paragraph 11 9 for changing the parameters 7 4 7 INVERTER COMPRESSOR CONTROL IN COOLING MODE The management of the compressors depends on the a...

Page 17: ...od if the controller requires the cut off the fan will run at minimum speed Please see paragraph 11 5 for changing the parameters 7 5 1 FAN SPEED CONTROL 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 compressors or under the actuation of the same F05 fan output ...

Page 18: ...e period of time C51 C11 7 7 DEFROSTING CYCLE The defrost cycle function is available only in heat pump mode and is used to prevent 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 thermal efficiency of the unit it can lead to the risk of damaging the unit...

Page 19: ... The electric heaters of water antifreeze installed on the outer surfaces of the evaporator plates activates even when the unit is switched off but energized if the outlet water temperature goes below r02 C default is 4 C in heating mode or below r03 C default is 4 C in cooling mode and in shut off condition The same electric heaters are switched off when the temperature measured by the outlet wat...

Page 20: ...nce the sanitary cycle is concluded the display returns to show the code E00 indicating that the remote ON OFF contact is open If H10 2 the remote on off function disenables the production of domestic hot water and the operations of the heat pump in heating and cooling on plant side Example of activation of this function H10 1 H19 6 DHW temperature sensor terminals SAN SAN H61 6 default In case of...

Page 21: ... concluded the display returns to show the code E00 indicating that the remote ON OFF contact is in open state The defrosting function during winter operation mode is always performed on the user side never on the DHW tank 7 13 HEATING MODE ON DOMESTIC HOT WATER TANK If the parameter H83 1 the unit employs the tank of domestic hot water also for plant side heating In these conditions therefore the...

Page 22: ...n At Open Closed Contact condition the heat pump in set heat cool mode DI3 DI3 Free voltage contact input H76 Num 1 Selection of operating mode 7 14 3 SANITARY MODE CALL FROM DIGITAL INPUT If the domestic hot water mode operation is enabled and the parameter used as alternative of the temperature sensor the activation of the domestic hot water operation can be performed through the opening closing...

Page 23: ...illustrating table regarding the operation of the system Mode of operation Enablement of the heat pump call Heating Temperature measured by outlet sensor of the heat pump setpoint Hea b05 and Temperature measured by plant circuit remote sensor water setpoint Hea b22 b05 Cooling Temperature measured by the outlet sensor of the heat pump setpoint Coo b05 and Temperature measured by plant circuit rem...

Page 24: ...n of primary circuit superheat calculation If the parameter v22 is set to be 0 the injection will be disabled 2 SSH system SSH system is currently implemented and that is always used For superheat calculation are used Suction pressure sensor Suction temperature sensor It s necessary to have mounted these two sensors 3 DSH calculation The two below sensors are used for evaluating the superheat at D...

Page 25: ...ith this second controller SL1 it is therefore possible to increase the number of logic functions managed by the main controller in particular these logic functions are used for management the plant as we described below The following functions can be activated by the controller of the Master unit which is located on its front panel 8 1 AUXILIARY ELECTRIC HEATERS In some plant systems configuratio...

Page 26: ...heater that is declared for DHW production will be activated allowing you to get a single auxiliary electric heater 8 1 5 SELECTION MODE OF AUXILIARY ELECTRIC HEATERS It is possible to set the activation order priority of the auxiliary electric heaters of the plant side and of DHW side as described below r14 0 default the heaters are activated simultaneously if they are present r14 1 the heaters a...

Page 27: ...at pump and or electricheater IN JOINT OPERATION I IN JOINT OPERATION II IN SUBSTITUTION OPERATION For the models UMHPI V the parameter r08 20 C When changing the values of the parameters r22 r28 r08 you have to respect the following condition r22 r28 r08 You can remove the zone corresponding to the in joint operation I just by putting r22 r28 you can also remove the zone corresponding to the in j...

Page 28: ...d or remains on If the in substitution auxiliary system is a boiler with its proper temperature control r32 2 or 3 The boiler will be enabled independently than thermoregulation of the heat pump If the in substitution auxiliary system is a boiler without circulator r32 0 or 2 The circulator of the heat pump will be active when the boiler is enabled The compressor will be enabled again if the tempe...

Page 29: ...12 minutes boiler HEAT HEAT SAN In HEAT OR in SAN 0 1 0 1 2 Set up of minutes Set up of minutes 3 6 0 11 1 Heat pump 2 After r12 minutes Plant DHW auxiliary electric heater 3 After r12 minutes later boiler HEAT HEAT SAN In HEAT OR in SAN 1 1 Set up of minutes Set up of minutes 3 3 12 1 Heat pump 2 After r12 minutes boiler 3 After r12 minutes later Plant DHW auxiliary electric heater HEAT HEAT SAN ...

Page 30: ... minutes Auxiliary electric heater of plant DHW HEAT HEAT SAN In HEAT OR in SAN 0 1 0 1 2 Set up of minutes Set up of minutes 6 3 6 1 Auxiliary electric heater of plant DHW 2 After r12 minutes boiler HEAT HEAT SAN In HEAT OR in SAN 0 1 0 1 2 Set up of minutes Set up of minutes 3 3 7 1 Boiler HEAT HEAT SAN HEAT 0 1 0 1 2 Set up of minutes 1 3 4 6 0 2 8 1 Auxiliary electric heater of plant HEAT HEAT...

Page 31: ...ary electric heater of the plant will turned off It works as indicated in the TABLE 1 2 3 and 4 3 COOL SAN SAN Not available It works as indicated in the TABLE 5 4 COOL SAN COOL Not available Not available 8 3 6 AUXILIARY SYSTEMS OFFSET MANAGEMENT During the joint operation or in substitution operation for boiler and or auxiliary electric heaters depending on your resources and on the selected pri...

Page 32: ...l be carried out after 5 min from the setpoints modification The commutation sequence from second set point to the normal setpoint 1 Commutation of the 3 way valve 2 Modification of the operating setpoint after a lap of time equal to the required time for opening of the valve Default b04 30s from maintainer menu 8 5 MANAGEMENT OF THE SECONDARY CIRCULATOR Relaunching pump It allows the management o...

Page 33: ...LER Compressor CP C INSTALLER Fan FAn F INSTALLER Alarms ALL A INSTALLER Regulation Re b INSTALLER Pump PUP P INSTALLER Electric heaters Fro r INSTALLER Defrosting dFr d INSTALLER Electronic valve EEu U INSTALLER Offset OFF o INSTALLER Mixing valve rAd i INSTALLER Vapor injection Eiv u INSTALLER Inverter compressors nCP n INSTALLER Solar SUn S INSTALLER DHW preparer AcS Ac USER INSTALLER Parameter...

Page 34: ... Digital input polarity 0 0 255 INSTALLER 0 digital inputs polarity NO 64 polarity DI7 NC for actuation of DHW thermo regulator from the digital input ADI2 ADI2 terminals H61 Open collector 1 configuration 6 0 44 INSTALLER 0 input not assigned 6 DHW 3 way valve Output under 230Vac 50Hz 5A resistive 1A inductive Terminals of exchange contact NC1 N1 NO1 It is recommended to implement an external rel...

Page 35: ... C 5 0 0 0 10 0 INSTALLER b16 Scan time of compressors start up sec 60 0 255 INSTALLER b19 Duration of the modulating comp at minimum capacity that is necessary for second comp startup sec 30 0 255 INSTALLER b20 Enabling of 0 10V ratiometric input 0 0 1 INSTALLER 0 0 10V input 1 ratiometric input b22 Thermoregulation Hysteresis cut off plant sensor C 1 5 0 0 25 5 INSTALLER 11 5 CONDENSTATION PARAM...

Page 36: ...7 DEFROSTING PARAMETERS Parameter Description Unit Default Range Visibility Allowed Configurations Notes d02 Pressure during initial defrosting bar 5 8 50 0 80 0 INSTALLER Parameters enabled only if are configured by default d08 Minimum interval between two consecutive defrost cycles min 0 0 255 INSTALLER After a time equal to d08 the circuit enters in defrosting mode 11 8 VAPOR INJECTION PARAMETE...

Page 37: ... INSTALLER NC1E N1E NO1E terminals 3 Is not selectable for UMHPI V units 4 Adjustable with Evo Touch accessory 11 11CONFIGURATION PARAMETERS OF THE HEATING DEVICES Mod Gi CONFIGURATION PARAMETERS OF THE HEATING DEVICES Parameter Description Unit Default Range Visibility Allowed configuration Note r02 Setpoint of anti freeze heater in heating mode C 3 3 6 INSTALLER r03 Setpoint of anti freeze heate...

Page 38: ...1 Temperature offset for boiler and DHW electric heaters G03 C 0 0 100 INSTALLER r32 Boiler endowment 1 0 3 INSTALLER r33 Pump management with electric heaters ON 3 0 4 INSTALLER 5 For the model UMHPI V r08 20 C 11 12CONFIGURATION PARAMETERS OF UMHPI V Parameter Description Unit Default Range Visibility Allowed configuration Note V03 Set DSH in cooling C 5 5 0 0 25 5 INSTALLER V04 Set DSH in heati...

Page 39: ...CB of the unit does not communicate with the compressor driver board 12 6 REMOTE ON OFF E00 The E00 code will be displayed when the unit is controlled from a remote digital input 12 7 HIGH PRESSURE E01 If the on board pressure transductor detects a pressure higher than 39 5 bar the alarm will be activated In this case the compressor will stop immediately via software The alarm will reset when the ...

Page 40: ... transducer OFF OFF OFF OFF E671 Outside air temp sensor for climatic regulation OFF OFF OFF OFF E672 Vapor injection temp sensor for LT version OFF OFF OFF OFF E681 DHW boiler temp sensor if enabled OFF OFF OFF OFF E801 Timeout inverter 1 OFF OFF E802 Timeout inverter 2 OFF OFF E851 Inverter 1 hardware malfunction OFF OFF E852 Inverter 2 hardware malfunction OFF OFF E861 Compressor 1 overcurrent ...

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Page 44: ...FAE0FA000BZ 00 06 2018 bit ly rdzwebsite ...

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