Page 1
INSTALLATION, USE AND MAINTENANCE MANUAL KHRW-H VENTILATION-DEHUMIDIFICATION/INTEGRATION UNIT WITH HYDRONIC COIL Pag. 1 KHRW-H INSTALLATION, USE AND MAINTENANCE MANUAL...
Page 2
INDEX GENERALITY ...................................... 4 1.1.1 INTRODUTION ..................................4 1.1.2 BASIC SAFETY RULES ................................4 1.1.3 SYMBOLOGY ..................................5 1.1.4 WARNINGS ..................................5 1.1.5 COMPLIANCE ..................................6 1.1.6 PRODUCT CODE ................................... 6 1.1.7 IDENTIFICATION .................................. 6 1.1.8 CONSTRUCTION FEATURES ..............................7 1.1.9 MAIN COMPONENTS OF THE UNIT ............................
Page 3
5.1.7 FANS SPEED MODIFICATION AND BOOSTER FUNCTION ....................20 5.1.8 NOMINAL SPEED FUNCTION ............................21 5.1.9 CHANGE OF SEASON ................................. 21 5.1.10 KEY LOCK ..................................21 5.1.11 PANEL BRIGHTNESS ADJUSTMENT ..........................21 MAINTENANCE ....................................22 6.1.1 CLEANING OR REPLACING FILTERS ............................ 22 6.1.2 CLEANING THE HEAT EXCHANGER ............................
Page 4
GENERALITY 1.1.1 INTRODUTION This manual has been conceived with the aim of making the installation and management of your system as simple as possible. By reading and applying the suggestions in this manual, you will be able to get the best performance from the product you have purchased. We would like to thank you for the choice you made with the purchase of our product.
Page 5
SYMBOLOGY 1.1.3 The symbols shown in the following booklet allow you to quickly provide information necessary for the correct use of the unit. Safety symbols ATTENTION Warns that the operations indicated are important for the safe operation of the machines. Only authorized personnel DANGER Warns you that failure to comply with the prescriptions creates a risk of electric shock.
Page 6
Installations performed outside the warnings in this manual or use outside the operating limits will void the guarantee instantly. Make sure that the first start-up is carried out by personnel authorized by the company (see first start-up request form) 1.1.5 COMPLIANCE The CE marking (present on each machine) certifies compliance with the following Community standards: •...
Page 7
1.1.8 CONSTRUCTION FEATURES SECTION FROM RECOVERY: Exchanger in polypropylene in counter-current to high efficiency > 90%. Operation summer and winter. VENTILATION: Fans plug-fan Brushless with motor electronic and command modulating. Very high efficiency and bass levels from noise Compliant at the legislation Erp2015. SECTION FROM TREATMENT AIR: Unit and equipped with from battery to water with geometry optimized for there dehumidification or integration of the cooling and warm up.
Page 8
1.1.9 MAIN COMPONENTS OF THE UNIT 1. Heat recovery 5. Finned coils 2. Supply fan 6. Electrical panel 3. Exhaust fan 7. Recirculation air damper 8. Air filters Pag. 8 KHRW-H INSTALLATION, USE AND MAINTENANCE MANUAL...
Page 9
1.1.10 PACKAGING AND TRANSPORT The units are supplied for transport fixed on a wooden pallet and placed in cardboard boxes. To facilitate movement, the units are equipped with a wooden bench and hooks on the base that allow them to be lifted and positioned on the installation site. The unit can be stored in a room protected from atmospheric agents with temperatures not below 0 °...
Page 10
INSTALLATION 2.1.1 INSTALLATION CONDITIONS The unit must be installed according to national and local standards that regulate the use of electrical devices and according to the following indications: • install the unit inside residential buildings with ambient temperatures between 0 ° C and 45 ° C; avoid areas near sources of heat, steam, flammable and / or explosive gases and particularly dusty areas;...
Page 11
Floor mounting To mount the unit on the floor, you need: Place 4 threaded bars inside the brackets provided • on the 4 corners of the unit; Fix the unit to the floor using the brackets, using • suitable anchoring systems (dowels, chains…) and check the leveling with the help of a level.
Page 12
AREAULIC CONNECTIONS 3.1.1 AREAULIC ORIENTATIONS The unit is equipped with 4 rear circular male connections of different diameters and a front rectangular mouth according to the size; For the correct connection of the air ducts, refer to the following diagram and the stickers placed on the unit. Unit aeraulic connection diameters table KHRWHRX300 KHRWHRX500...
Page 13
HYDRAULIC CONNECTIONS 4.1.1 GENERALITY - The units are equipped with hydronic coils with water-air exchange; - The connections on the units, even in the different applications and versions, are always common to all the units; - Make sure to respect the flows indicated on the labels: inlet (water entering the unit), outlet (water leaving the unit); - Make sure that the weight of the pipes does not weigh on the predisposed connections;...
Page 14
4.1.1 POSITIONING AND CONNECTION PROCEDURES The hydraulic connections are positioned on the side of the unit; The connections are with female thread; Respect IN as the water inlet to the unit and OUT as the water outlet from the unit Connect the pipes with a female threaded fitting, and tighten it with dedicated tools;...
Page 15
ELECTRICAL CONNECTIONS 5.1.1 GENERALITY -Before starting any operation to make the electrical connection make sure that the unit is not electrically powered. -Make the necessary electrical connections by consulting only the wiring diagram attached to this manual. -Install a suitable breaking and differential protection device for the exclusive service of the unit. -It is essential that the unit is connected to an earth socket.
Page 16
5.1.3 UNIT WIRING DIAGRAMS CONNECTIONS BY THE CUSTOMER GRID Humidistat / Air quality regulator Contact closed / function active Clean Contact CHILLER Chiller / Generator activation (hot / cold request activation) N - CL - CP Water valve / post battery Live contact (220v) REMOTE DISPLAY Remote control (4 wires)
Page 17
5.1.4 ELECTRICAL CONNECTIONS KHR-C remote panel connection The control board features capacitive touch remote controls for managing all unit functions, designed for wall installation or external box 502. There are two families of remote controls: • KHRCY211, KHRCY212 – Serial control with RS485 Modbus RTU connection capability;...
Page 18
DISPLAY CONNECTION TO CONTROL MULTIPLE UNITS The KHR-C panel allows for the control of multiple units; it is possible to connect up to 30 units that will be managed by a single remote panel. The units must be connected in series, with input and output connections on the individual unit boards.
Page 19
REAR VALVE / BATTERY CONNECTION The unit provides for the control of a valve / battery to be installed externally to the unit, through the 230v control provided on the board; N - COMMON • CL - FIXED VOLTAGE FOR 3- •...
Page 20
5.1.5 OPERATION The unit is fully controlled manually by the user through the wall-mounted touch control KHR-C. There is an option to connect humidity sensors and air quality regulators. 3V switch Meaning of the keys in the main display: Allows the unit to be turned Button for changing the temperature on / off from the keyboard Keys for selecting the fan...
Page 21
5.1.8 NOMINAL SPEED FUNCTION - By pressing the auto key, the unit will operate at the rated speed keeping the sensor input control active; If the humidity regulator or air quality regulator requests it, the unit will increase the speed, at the sensor speed; The input is a digital input to which a clean contact can be connected.
Page 22
MAINTENANCE To always ensure correct and optimal operation of the unit, all maintenance interventions must be carried out periodically. 6.1.1 CLEANING OR REPLACING FILTERS To replace the filters or to clean them, proceed as follows: • disconnect the unit from the power supply; •...
Page 23
6.1.3 GENERAL CLEANING OF THE UNIT It is advisable to occasionally check and, if necessary, clean the fans, the condensate drain and the internal walls of the unit. These operations must only be carried out by qualified personnel (installer). To carry out the above operations, proceed as follows: disconnect the unit from power supply •...
Page 24
ALARMS 7.1.1 GENERALITY In case of problems or breakdowns, take note of any error code appearing on the display of the electronic control unit or of the remote control, take note of the model and serial number of the unit you own (present on the identification plate attached to the side of the unit) and contact the installer. 7.1.2 PROBLEMS WITHOUT ERROR INDICATION ON THE DISPLAY PROBLEM...
Page 25
7.1.3 ALARM SIGNAL Below is a list of all the alarms managed by the application. The presence of an alarm has two display modes: • an error code present on the KHR-C command; • a led on the electronic board that shows a flashing sequence with the type of alarm present. 1 LED ALARM SIGNALS UNIT BOARD 2 KHR-C PANEL ALARM SIGNAL 7.1.4...
Page 26
Produced by Sinergia s.r.l. Via del Commercio 1/A, 23017 Morbegno (SO) ITALY Distributed by Giacomini S.p.A. under the trademark Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia consulenza.prodotti@giacomini.com +39 0322 923372 giacomini.com The data contained in this manual may be changed by the manufacturer without prior notice.
Need help?
Do you have a question about the KHRW-H Series and is the answer not in the manual?
Questions and answers