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INSTALLATION AND OWNER'S MANUAL OPTIMUS PRO Mono ATW Heat Pump IMPORTANT NOTE: Thank you very much for purchasing our product, Before using your unit , please read this manual carefully and keep it for future reference.
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Outdoor unit Power Current Compressor System Voltage Hz Min.(V) Max.(V) MCA(A) TOCA(A) MFA(A) MSC(A) RLA(A) FLA(A) 18kW 380-415 21.0 0.34 22kW 380-415 24.5 0.34 26kW 380-415 27.0 0.34 30kW 380-415 28.5 0.34...
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Code Connect to Print Compressor run ① DFT2 Defrost or alarm signal DFT1 Antifreeze E-heating ② tape(external) AHS1 Additional heat source ③ AHS2...
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Refer to Refer to Refer to electrically electrically electrically controlled controlled controlled wiring wiring wiring diagram diagram diagram...
Keys Function • Go to the menu structure(on the home page) • Navigate the cursor on the display ◄►▼▲ • Navigate in the menu structure • Adjust settings • Turn on/off the space heating/cooling operation or DHW mode • Turn on/or off functions in the menu structure •...
10.7.1 DHW MODE SETTING DHW = domestic hot water 2 COOL MODE SETTING Go to > FOR SERVICEMAN> 1.DHW MODE 2.11 T4C2 25°C SETTING. Press . The following pages will be 2.12 ZONE1 C-EMISSION displayed: 2.13 ZONE2 C-EMISSION DHW MODE SETTING 1.1 DHW MODE ADJUST 1.2 DISINFECT...
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10.7.6 ROOM THERMOSTAT About ROOM THERMOSTAT The ROOM THERMOSTAT is used to set whether the room thermostat is available. How to set the ROOM THERMOSTAT Go to >FOR SERVICEMAN> 6.ROOM THERMOSTAT. Press . The following page will be displayed:...
9 SERVICE CALL SETTING PHONE NO. ****************** MOBILE NO. ****************** CONFIRM ADJUST 9 SERVICE CALL PHONE NO. *************** MOBILE NO. ****************** 10.7.7 Other HEATING SOURCE The OTHER HEATING SOURCE is used to set the parameters of the backup heater, additional heating CONFIRM ADJUST sources and solar energy kit.
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If you select AIR PURGE and is pressed, the following Go to > FOR SERVICEMAN> 11.TEST RUN. page will be displayed : Press . The following page will be displayed: 11 TEST RUN 11 TEST RUN Test run is on. Active the settings and Air purge is on.
Go to > FOR SERVICEMAN> 12.SPECIAL 11 TEST RUN FUNCTION. Test run is on. Before floor heating, if a large amount of water remains on Heat mode is on. the floor, the floor may be warped or even rupture during Leaving water temperature is floor heating operation, in order to protect the floor, floor 15°C.
During preheating for floor, all the buttons except invalid. If you want to turn off the preheating for floor, please press The following page will be displayed: 12.1 PREHEATING FOR FLOOR Do you want to turn off the preheating for floor function? During floor drying, all the buttons except are invalid.
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10.7.16 CASCADE SET The AUTO RESTART function reapplies the user interface settings at the time of the power supply failure. If this function How to set the CASCADE SET is disabled, when power returns after a power supply failure, Go to >FOR SERVICEMAN>16.CASCADE SET.
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10.7.16 Setting parameters The parameters related to this chapter are shown in the table below. Setting Order number Code State Default Minumum Maximum Unit interval DHW MODE Enable or disable the DHW mode:0=NON,1=YES DISINFECT Enable or disable the disinfect mode:0=NON,1=YES DHW PRIORITY Enable or disable the DHW priority mode:0=NON,1=YES PUMP_D...
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HEAT MODE Enable or disable the heating mode The refresh time of climate related curves for heating t_T4_FRESH_H hours mode The maximum ambient operating temperature for heating T4HMAX ℃ mode The minimum ambient operating temperature for heating T4HMIN ℃ mode dT1SH The temperature difference for starting the unit (T1) ℃...
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12.4 t_DRYUP The day for w arming up during floor drying up The continue days in high temperature during floor 12.5 t_HIGHPEAK drying up The day of dropping temperature during floor drying 12.6 t_DRYD The target peak temperature of w ater flow during 12.7 T_DRYPEAK °C...
Symptom 8: DHW mode can’t change to Heat mode immediately POSSIBLE CAUSES CORRECTIVE ACTION • Set "t_DHWHP_MAX" to minimum value, the suggested value is 60min. • If circulating pump out of unit is not controlled by unit, try to Heat exchanger for space connect it to the unit.
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• Extreme care shall be taken not to overfill the refrigeration system. • Prior to recharging the system it shall be pressure tested with OFN. The system shall be leak tested on completion of charging but prior to commissioning. A follow up leak test shall be carried out prior to leaving the site. 17) Decommissioning Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and all its detail.