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 49.4-110.4...
Contact a certified service 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 49.4-110.4...
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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 needed. Series Size Serial number Year of manufacture Electrical wiringdiagram CRH-XHE2 49.4-110.4...
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 49.4-110.4...
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Cut-off valves installed at inlet and outlet (both on the water technique circuit as well as that of the hot domestic water) allow maintenance operations without having to empty the system. Recycle and dispose of the packaging material in conformity with local regulations. Supports for handling: remove after the handling. CRH-XHE2 49.4-110.4...
(expelled air that is sucked in again) • incorrect positioning, close to very high walls, attics or in angles that could give rise to stratification or recirculation phenomenons Avoid the accumulation of snow and ice in front of the exhaust air outlet CRH-XHE2 49.4-110.4...
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3.3 Saftey valve gas side The installer is responsible for evaluating the opportunity of installing drain tubes, in conformity with the local regulations in force (EN 378). 3.4 Electronic filter For details see: 10 Accessories p. 54 CRH-XHE2 49.4-110.4...
(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 filter never should be removed, this operation invalidates the guaranty. CRH-XHE2 49.4-110.4...
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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 49.4-110.4...
• the cut-off to diffusers must be carried out with flexible elements • the return grilles must be widely dimensioned Thermally isolate the channels and the flanges to avoid energy losses and forming of condensation. CRH-XHE2 49.4-110.4...
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 49.4-110.4...
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0 None not used not used 1 Mode 0 = cool, 1 = heat change HEAT - COOL mode 2 Fan 0 = no cmd, 1 = fan fan only 3 Clean 0 = off, 1 = on clean CRH-XHE2 49.4-110.4...
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12. write and run the command Ping 192.168.1.42 13. the message, connection is OK, will appear when successful 14. enter the browser (Crhome, Firefox ecc) 15. write and run the command http:/192.168.1.42 16. Userid = WEB 17. Password = SBTAdmin! CRH-XHE2 49.4-110.4...
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B = B1 KNX bus, max 350 mt twisted pair with shield, ø 0,8 mm EIB/KNX cable marking recommende PSX - Mains power supply unit pwer supply unit N125/11 5WG1 125-1AB11 AC 120...230V, 50...60Hz KNX bus, max 350 mt CRH-XHE2 49.4-110.4...
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• The cable must have insulation features and non-flame propagation in accordance with applicable regulations. • The RS485 serial line must be kept as far away as possible from sources of electromagnetic interference. CRH-XHE2 49.4-110.4...
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AP1 module LED BUS communication with BACnet green communication ok green ready for communication yellow software ok but communication with AP1 yellow startup down flashing: software error BACnet server down fixed: hardware error restart after 3 sec CRH-XHE2 49.4-110.4...
10. water source temperature measurement 11. measure super-heating and sub-cooling 12. check no anomalous vibrations are present 13. climatic curve personalization 14. climatic curve personalization 15. scheduling personalization 16. fire alarm configuration * 17. complete and available unit documentation CRH-XHE2 49.4-110.4...
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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 7.9 Scroll compressor The Scroll compressors have only one rotation direction. CRH-XHE2 49.4-110.4...
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T.OutH2OUtilitySide 12.5°C ActualState ActualMode Cool Setpoint EnClimatica = 1 cod. 1 P0053 Set point P0015 28°C COOL DeadZone 22°C P0014 P0013 21°C Set point P0012 19°C HEAT 5°C 20°C 24°C 35°C example Outdoor temp. P0016 P0017 P0018 P0019 CRH-XHE2 49.4-110.4...
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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 minutes from start-up. Set the flow rate: P0278 SfQSet (l/s) CRH-XHE2 49.4-110.4...
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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 49.4-110.4...
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(for ex. Condensing circuit + direct expansion unit) Certification of setting in service: • for all the units Periodical verifications: • to be executed with the frequency indicated by the Manufacturer (see the “maintenance inspections” paragraph) CRH-XHE2 49.4-110.4...
The machine is in heat mode. Alarm: COOL mode: There is at least one alarm The machine is in cool mode. Press the "alarm" key to view it Defrosting Mode: Scheduling Mode: The machine is defrosting. The scheduling is active. CRH-XHE2 49.4-110.4...
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: in HEATING the temperature is higher than the set hot - 2 °C in COOLING the temperature is below the setcold – 2°C the outdoor temperature is above 16 °C CRH-XHE2 49.4-110.4...
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Enables setpoint from climate area EnClimatic Start-up/mode change controls priority ([0] keyboard [1] BMS) Control priority Enables automatic mode change in relation to the return temperature EnModeAuto Enables / disabling scheduler: 0 = disabled, 1 = enabled EnScheduler (P0061 service keypad) CRH-XHE2 49.4-110.4...
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PowerHum Example of status codification: Supply temperature Supply temp_B2:AI-687 B2 = electronic module connector code AI = type of input/output: AI=Analogic input, DI= digital input, AO=analogic output, DO=digital output 687 = electronic module: 687=control unit, 985=compressor, 994=EEV driver, CRH-XHE2 49.4-110.4...
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(ALL starts flashing) 16.3 C° year, month, day set active-ON / disabled-OFF 17:00 example: main menu ALL = OFF all keys disabled select to confirm exit Key-code table n. key n. key 16.3 C° 17:00 All keys CRH-XHE2 49.4-110.4...
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RESET 0030 The code of the circuit 2 alarms is 2nn: example: fF113:DI High pressure = circuit 1 fF213:DI High pressure = circuit 2 exit with alarms RESET: scroll and select RES CRH-XHE2 49.4-110.4...
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The most recent schedule saved overrides the existing one. For instance, if a day is included in two different schedules, the most 2 4 5 6 starts flashing recent one saved prevails. 2 4 5 6 CRH-XHE2 49.4-110.4...
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(7 starts flashing) 05:30 Ripeat from (Set event 1 ) 2 4 5 6 press 2 times to exit to confirm selected days press 16.3 C° 17:00 7 starts flashing P flashing, active scheduling press 16.3 C° 17:00 CRH-XHE2 49.4-110.4...
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05:30 Ripeat from (Set event 1 ) 13:00 press 2 times to exit press 3 times 16.3 C° starts flashing 003 (= ON) 17:00 13:00 select mode 002 (=OFF) confirm P flashing, active scheduling 16.3 C° 17:00 13:00 CRH-XHE2 49.4-110.4...
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15:00 press 4 times (= event 4) 15:00 press 3 times starts flashing 003 (= ON) 15:00 select mode 002 (=OFF) confirm 15:00 press 2 times to exit 16.3 C° 17:00 CRH-XHE2 49.4-110.4...
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→ cmd local status ON, OFF, ECO → scegliere OFF - ON - ECO - PUMP ON main menu → cmd local mode change MODE → select COOL - HEAT main menu → unit parameters change SETPOINT → setpoint CRH-XHE2 49.4-110.4...
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P0006: SetCO2 Air quality setpoint Unit Option Menu P0053: EnClimate Enables setpoint from climate area P0054: Control priority Start-up/mode change controls priority ([0] keyboard [1] BMS) P0058: EnModeAuto Enables automatic mode change in relation to the return temperature CRH-XHE2 49.4-110.4...
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5:00 Value 2 Setting Time 3 17:00 Value 3 Time 4 20:00 Exit Value 4 Select d01 : Monday Scheduled day Active Time 1 xx:yy Confirm Value 1 Time 2 Value 2 Setting Time 3 Value 3 Exit CRH-XHE2 49.4-110.4...
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Passivo 0 Critico (A) 14.02.2012 11.30.10 Exit: Press alarm list password management Press 3 sec. Reset Passive 1 Log off Cambia PSS user + eE001 : Monitore fase : Fault Select Cambia PSS service Cambia PSS manufacturer Confirm CRH-XHE2 49.4-110.4...
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Cmd Local state Correction SH Cmd Local mode Cool Confirm Sourse Unit stata Unit parameters Ventilation System Objects Supply fan Scheduler Return fan Circuit alarms Defrost - not used Humidity control Recovery renewal Reset usure Sensor settings Serial communication CRH-XHE2 49.4-110.4...
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Status associated with minor alarm on the circuit 3101 Circuit C1 Stata 1125 CircBlock Status associated with circuit block alarm 3101 Circuit C1 Stata 1126 ThTempDischarge Theoretical discharge temperature 3102 Circuit C1 -IO Stata T.DischargeC1_B1:AI-985 Compressor 1 discharge temperature CRH-XHE2 49.4-110.4...
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5 = Positioned 6 = ECVWaiting 7 = FastClosing Maximum valve opening determined by the minimum SH control 3200 Thermostatic C1 Stata 1203 EEVSH_Limiter function 3200 Thermostatic C1 Stata 1204 EEVLET_Limiter Status of the minimum LET intake temperature control CRH-XHE2 49.4-110.4...
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* 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 49.4-110.4...
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Accurately rinse in running water avoiding spilling in the room Dry the filter Insert it back in its seat Remount the closing panels Old filters, washing wastewater and residues must be disposed of according to the current standards. CRH-XHE2 49.4-110.4...
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Compressor may stop Pumping With Motor Running Turn Off And Wait Until Cool May need More Than 1 Hour To Reset 9.12 Electric heaters Accessory Check: • cleaning state • fastening • presence of corrosion 9.13 Humidifier Accessory For details see: 10 Accessories p. 54 CRH-XHE2 49.4-110.4...
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9.14 Supply fan: how to access 9.15 Exaust fan: how to access 9.16 Water circuit: how to access CRH-XHE2 49.4-110.4...
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Hot water exchanger or electric heaters 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 49.4-110.4...
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Loop washing mode plate heat exchanger complete with water side differential pressure switch drainage valve vent valve two-way manually activated valves manually activated two-way valve for loop wash by-pass anti-freeze by-pass with manual shut-off valve two-way motorize ON/OFF valve CRH-XHE2 49.4-110.4...
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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 flowing of the water downstream 11. Upon dehumidifier re-start, check operation again CRH-XHE2 49.4-110.4...
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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 49.4-110.4...
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• check the seal gasket between the cylinder and the drain unit • remount the cylinder repeating the operations in reverse order CRH-XHE2 49.4-110.4...
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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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Open the access panel Delicately remove the filter avoiding dirtying the area below Insert the new filters Close the panel Dispose of the old filters sending them to specialised recycling or collection centres (keep to the standards in force) CRH-XHE2 49.4-110.4...
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When machine components to be replaced for maintenance purposes are removed or when the entire unit reaches the end of its life and needs to be removed from the installation, waste should be separated by its nature and disposed of by authorised personnel at existing collection centres. CRH-XHE2 49.4-110.4...
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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 49.4-110.4...
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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 49.4-110.4...
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Operating range at full load 2. Operating range for water glycol system (to prevent frost) 1. + 3. Unit operating range with pumping unit for installation with disposable water (optional) with modulating valve, also for loop high temperatures CRH-XHE2 49.4-110.4...
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