Index of contents General description Reception Positioning Water connections Aeraulic connections Electrical connections Start-up Control Maintenance Accessories Decommissioning Residual risks Technical information Dimensional drawings CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
Contact a certified se vice agent. Use original spares parts only. Using the unit in case of breakdown or malfunction: • voids the warranty • it may compromise the safety of the unit • may increase time and repair costs CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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Must be quoted when ordering spare parts. 1.14 Assistance request Note data from the serial number label and write them in the chart on side, so you will find them easily when neede . Series Size Serial number Year of manufacture Electrical wiringdiagram CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
Align the barycenter to the lifting point Use all the lifting brackets (see the dimensional section) Gradually bring the lifting belts under tension, making sure they are positioned correctly. 10. Before starting the handling, make sure that the unit is stable. CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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Keep packing material out of children's reach it may be dangerous. Recycle and dispose of the packaging material in conformity with local regulations. Supports for handling: remove after the handling. Remove the coil protective mesh before the start-up CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
(expelled air that is sucked in again) • incorrect positioning, close to very high walls, attics or in angles that could give rise to stratific tion or recirculation phenomenons Avoid the accumulation of snow and ice in front of the exhaust air outlet CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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Positioning on concrete floor Positioning on steel structure 2 cm thick neoprene strips antivibration mounts concrete floor steel structure insulation steel structure M07W40D16-00(EC1) CRH-XHE2 14.2-44.4...
(for example in systems where some circuits are bypassed in particular situations). 4.5 Water filter It must be installed immediately in the water input of the unit, in a position that is easily accessible for cleaning. The fil er never should be removed, this operation invalidates the guaranty. CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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– to weld filettare – to thread A + B : fornito da Clivet - Clivet supplied Retirer le joint de connexion avant de souder le tuyau de l’installation. The rubber gasket might be irreparably damaged. CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
• the cut-off o diffusers must be ca ried out with fl xible elements • the return grilles must be widely dimensioned Thermally isolate the channels and the flanges o avoid energy losses and forming of condensation. CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
Guarantee the continuity of the screen during the entire extension of the cable. Respect impendency, capacity and attenuation indications. 6.4 Power input Fix the cables: if vacated may be subject to tearing. The cable must not touch the compressor and the refrigerant piping (they reach high temparatures). CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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*functions Fan /Clean from SA5 not available function Fan only P263 P266 disabled disabled enabled by BMS enabled by BMS enabled by SA5* enabled by SA5* *functions Summer / winter /Clean from SA5 not available *functions Summer-winter / Clean from SA5 not available M07W40D16-00(EC1) CRH-XHE2 14.2-44.4...
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The cable must have insulation features and non-flame p opagation in accordance with applicable regulations. The RS485 serial line must be kept as far away as possible from sources of electromagnetic interference. Unit Metal septums Metal conduit Metal-lined sheath (sleeve) CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
10. measure super-heating and sub-cooling 11. check no anomalous vibrations are present 12. climatic curve personalization 13. climatic curve personalization 14. scheduling personalization 15. fi e alarm configu ation * 16. complete and available unit documentation * only if present CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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Check that the air and water temperatures are within in the operating limits. Start-up the unit. With unit operating in stable conditions, check: • Voltage • Total absorption of the unit • Absorption of the single electric loads CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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The ventilation remains active even when the setpoint is fulfille . Eco mode Variable airflow Standard mode Min = par 51 Nominal = par 50 QSetMand Airflow Airflow Airflow Nominal Nominal Nominal 100% 100% 100% Compressor load Compressor load Compressor load CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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Even the operating mode changes automatically according to the outside temperature. The variation is defined y the climatic curve. P05 EnableAutoSet = 1 Setpoint Setpoint 28°C COOL DeadZone 22°C 21°C Setpoint 19°C HEAT 5°C 20°C 24°C 35°C example Outdoor temp. CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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Check the doors and windows of the serviced room are closed. Calibration must be carried out with unit all in recirculation. The unit is in full recirculation during the first 20 minu es from start-up. Set the fl w rate: P50 SfQSet (l/s) CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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The option includes self-regulating heaters with thermostats that can protect the electrical panel from freezing to make sure it operates correctly. The accessory is also active with unit OFF; the unit must remain powered. A. heaters with thermostats B. damper C. motorised actuator CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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(for ex. Condensing circuit + direct expansion unit) Certific tion of setting in service: • for all the units Periodical verific tions: • to be executed with the frequency indicated by the Manufacturer (see the “maintenance inspections” paragraph) CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
Access to the password menu 5 sec ( Code) Access to the alarm menu ; Time band scheduling 5 sec only if the icon is present Active compressor External fan electric heaters , hot water coil - option CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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°c 20.3 P200 Symbol appears 0 = disabled, 1= enabled 10:00 ON / OFF SCHEDULING Press for deactive or enable the mode scheduling. °c 20.3 10:00 The deactived schedulino, the mode symbol doesn’t appear °c 20.3 10:00 CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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Time Time band Press OK Press OK band Select the scheduling: mode Day by day Press OK Press OK mode - - - - --:-- Set the hour mode Press OK Set the minutes mode Press OK CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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Select the alarm reset menu alarm code (STD column pag. 20) Press OK 1° alarm - 2°display mode mode Select ESC 21.0° alarm day 1 Press OK day number after alarm 1° alarm - 3°display mode 21.0° alarm hour 1 hhmm CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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Alarm of faulty outside temp. from serial probe AE37 Alarm of faulty external RH from serial probe AE38 Alarm external serial probe offline AE39 Electronic filters alarm AE40 Alarm gas burner module AE41 Alarm offline board Pcoe adr 5 AE42 Alarm analogic signal ExpFlow CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
* Refer to the local regulations; and ensure correct adherance. Companies and technicians that effect interventions of installation, maintenance/re- pairs, leak control and recovery must be CERTIFIED as expected by the local regulations. The leak control must be effected with annual renewal. CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
Remount the closing panels Old fil ers, washing wastewater and residues must be disposed of according to the current standards. 9.8 High efficiency air filter For details see: 10 Accessories p. 36 9.9 crankcase heather Check: • closure • Operation CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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Turn Off And Wait Until Cool May need More Than 1 Hour To Reset 9.11 Wall mounted electronic room control In the maintenance operations the keypad can be detached from the fixing suppo t and directly connected to the unit electrical panel. CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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9.12 Electric heaters Check: • cleaning state • fastening • presence of corrosion 9.13 Humidifier For details see: 10 Accessories p. 36 CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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Renewal air damper Handling exchanger Exhaust fan Hot gas reheating exchanger 10. Overpressure damper Return + supply fan section 11. Thermodynamic recovery exchanger, THOR Source side exchanger Return air FA Fresh air Supply air EX Exhaust air CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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10. Remount the evaporating heaters. ATTENTION: The evaporating heaters have a pre-set position to respect the air and water direction, that must be in counter-current. The incorrect position jeopardises the good operation and can cause fl wing of the water downstream 11. Upon dehumidifier e-start, check operation again CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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The power supply bowl, piping: check they are free and without impurities Cylinder: 5 years not over 10000 hours of work (inspectional cylinders) replacement CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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• check the seal gasket between the cylinder and the drain unit • remount the cylinder repeating the operations in reverse order M07W40D16-00(EC1) CRH-XHE2 14.2-44.4...
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(wood, coal, gasoline, etc.) MATERIALS NECESSARY FOR MAINTENANCE • Plastic or steel tank (750x750x310 mm) with settling bottom • Acid detergent B01212 (code CLIVET C6460316) • Protective gloves and goggles • Graduated jug •...
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Delicately remove the fil er avoiding dirtying the area below Insert the new filters Close the panel Dispose of the old fil ers sending them to specialised recycling or collection centres (keep to the standards in force) CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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10.7 Hydraulic pipework arrangement for loop with variable flow-rate Unità in funzionamento Lavaggio anello Unit in operation mode Loop washing mode plate heat exchanger complete with water side differential pressure switch anti-freeze by-pass with manual shut-off alve CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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10.8 Hydraulic pipework arrangement for system with disposable water Unità in funzionamento Lavaggio anello Unit in operation mode Loop washing mode plate heat exchanger complete with water side differential pressure switch anti-freeze by-pass with manual shut-off alve two-way modulating motorized valve CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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The user must not dispose of the unit at the end of its life cycle as urban waste, it must instead be handed over to appropriate collection centres as set forth by current standards or as instructed by the distributor. CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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Do not remain in the vicinity of the safety valve and never leave the refriger- ating system taps closed. CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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3. Performance with 30% of outdoor air including the energy recovery on the exhaust air configuration with double fan section with fresh air and THOR thermodynamic recovery (CCKP) 4. SCROLL = scroll compressor 5. RAD = radial fan electronically controlled CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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The sound levels are referred to unit operating at full load in nominal conditions. The sound pressure level is referred at a distance of 1 m. from the ducted unit surface operating in free field conditions. External static pressure 50 Pa. (standard UNI EN ISO 9614-2) Please note that when the unit is installed in conditions different from nominal test conditions (e.g. near walls or obstacles in general), the sound levels may undergo substantial variations. CRH-XHE2 14.2-44.4 M07W40D16-00(EC1)
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