ELECTRICAL CONNECTIONS VERSION -I- ......................... 16 COMMISSIONING AND OPERATION ..............................19 GENERAL INFORMATION ..............................20 OPERATION .................................... 20 SWITCHING THE UNIT ON AND OFF ............................20 MODIFYING FAN SPEEDS AND BOOSTER FUNCTION ......................21 Innova S.r.l. Page 2 HRP DOMO SMALL Manual...
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ALARMS ......................................23 GENERAL INFORMATION ............................... 23 TROUBLESHOOTING WITH NO DISPLAY ERROR ........................24 TABLE OF ALARMS INDICATED ON DISPLAY - VERSIONS I - ....................24 NOTES AND MAINTENANCE INFORMATION ........................... 24 Innova S.r.l. Page 3 HRP DOMO SMALL Manual...
Voltages and frequencies must correspond to those indicated for the respective machinery; all machinery must be earthed according to the regulations in force in the various countries. SYMBOLS The symbols shown in the following documentation allow rapid provision of information required to use the unit correctly. Innova S.r.l. Page 4 HRP DOMO SMALL Manual...
Ensure that the earth connection is carried out; do not earth the unit onto distribution pipes. Momentary high current surges may damage the unit Innova S.r.l. Page 5 HRP DOMO SMALL Manual...
The plate on the packaging has no value regarding the traceability of the product following the sale. Removal, deterioration or illegibility of the plate on the unit, causes a number of issues regarding identification of the machine, availability of spare parts and, therefore, any future maintenance. Innova S.r.l. Page 6 HRP DOMO SMALL Manual...
Mandatory control panel for the operation of the unit with capacitive touch for mounting on box 502-503 or wall; EFFICIENCY: Owing to its construction features and components, HRP DOMO SMALL SMALL is able to achieve a recovery efficiency greater than 90%. DESCRIPTION OF OPERATION...
1.12 DISMANTLING AND DISPOSAL Do not dismantle or dispose of the product yourself. Dismantling, demolition or disposal of the product must be carried out by authorised personnel in accordance with local regulations. Innova S.r.l. Page 8 HRP DOMO SMALL Manual...
Simultaneous operation of the unit and a natural draught boiler (e.g. open fireplace) may lead to a negative pressure in the room which could cause flue gases to flow back into the room. Innova S.r.l. Page 9 HRP DOMO SMALL Manual...
(from below). Do not mount the unit with the sides in direct contact with walls to prevent potential contact noise. Insert strips of rubber or neoprene. Ceiling installation Innova S.r.l. Page 10 HRP DOMO SMALL Manual...
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Do not mount the unit with the sides in direct contact with walls to prevent potential contact noise. Insert strips of rubber or neoprene. Wall installation Innova S.r.l. Page 11 HRP DOMO SMALL Manual...
(at least 40-50mm) Install the condensate drain siphon on the exhaust side of the unit to prevent unpleasant odours in room air Condensate Drain horizontal installation Condensate Drain vertical installation AIR DUCT CONNECTIONS Innova S.r.l. Page 12 HRP DOMO SMALL Manual...
The units are shown as seen from above VERTICAL INSTALLATION Standard model may be modified on site with reconnection of connectors of probes and fans on circuit board The units are shown as seen from the front ELECTRICAL CONNECTIONS Innova S.r.l. Page 13 HRP DOMO SMALL Manual...
Insert the cables inside the electrical box and carry out the electrical connections; Ensure that the cables that do not come into contact with the impellers of the fans; Electrical connections UNIT WIRING DIAGRAM Innova S.r.l. Page 14 HRP DOMO SMALL Manual...
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Water / battery valve Contact voltage (220V) Remote control EDA649-EDB649, EWG649, EWW649 REMOTE DISPLAY (4-core) ON OFF REMOTE (ON DISPLAY) ON OFF remote contact present on remote display Contact closed / unit OFF Innova S.r.l. Page 15 HRP DOMO SMALL Manual...
The board allows for the operation of a EC Brushless fan via remote control as described above; Some auxiliary functions have been implemented on the board such as the connection of regulators and management of a battery / valve; Innova S.r.l. Page 16 HRP DOMO SMALL Manual...
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OFF control with which the unit can be connected via a potential-free contact to a remote on/off device such as a switch or timer The logic is the following: Contact closed: Unit OFF Contact open: Unit ON Innova S.r.l. Page 17 HRP DOMO SMALL Manual...
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• N - COMMON CL - FIXED VOLTAGE FOR 3- • POINT VALVE CONTROL • CP - ON OFF 2-3 POINT VALVE CONTROL Water / Battery Valve Connection GENERATOR / BATTERY CONNECTION Innova S.r.l. Page 18 HRP DOMO SMALL Manual...
The unit includes control of a generator or a battery via the potential-free contact on the terminal block; Closed contact with active request; Generator / Battery Connection COMMISSIONING AND OPERATION Innova S.r.l. Page 19 HRP DOMO SMALL Manual...
The buttons on the main screen are shown here: Silent / nominal / maximum Button for nominal speed ALARM warning and sensor operation Main screen button display SWITCHING THE UNIT ON AND OFF Innova S.r.l. Page 20 HRP DOMO SMALL Manual...
Press and hold the season change button for at least 3 seconds to change season status; This operation must be carried out to activate the correct logic: Frost protection in winter and bypass in summer; Symbol logic: SUN – WINTER SNOWFLAKE (SUMMER) Season Change BUTTON LOCK Innova S.r.l. Page 21 HRP DOMO SMALL Manual...
Close the cover using the knobs; The filters can be cleaned if this is possible using a vacuum cleaner or low pressure compressor. View for filter extraction CLEANING THE HEAT EXCHANGER Innova S.r.l. Page 22 HRP DOMO SMALL Manual...
Caution! There are small metal clips on the blades to balance them. DO NOT remove them. View for general cleaning of the unit ALARMS GENERAL INFORMATION Innova S.r.l. Page 23 HRP DOMO SMALL Manual...
Operating hours per dirty filter reached Check state of filter and press and hold the on off Dirty filter alarm (default = 0) button to reset the signal; NOTES AND MAINTENANCE INFORMATION Innova S.r.l. Page 24 HRP DOMO SMALL Manual...
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3 2020 rev.02 Technical Support Centre The data contained in this manual may be changed by the manufacturer without prior notice. Innova S.r.l. Page 27 HRP DOMO SMALL Manual...
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