EKHBH/XE008BAIndoor unit for air to water heat pump system4PW56301-1AInstallation manual3Scope of this manualThis installation manual describes the procedures for handling,installing and connecting all EKHBH/X indoor unit models.Model identificationIndoor unitDrain pan kit (optional)ACCESSORIESAccessories supplied with the indoor unitSee figure 1SAFETY CONSIDERATIONSThe precautions listed here are divided into the following two types.Both cover very important topics, so be sure to follow them carefully.Danger■ Before touching electric terminal parts, turn off power switch.■ When service panels are removed, live parts can be easilytouched by accident.Never leave the unit unattended during installation or servicingwhen the service panel is removed.■ Do not touch water pipes during and immediately after operationas the pipes may be hot. Your hand may suffer burns. To avoidinjury, give the piping time to return to normal temperature or besure to wear proper gloves.■ Do not touch any switch with wet fingers. Touching a switch withwet fingers can cause electrical shock.■ Before touching electrical parts, turn off all applicable powersupply.Warning■ Tear apart and throw away plastic packaging bags so thatchildren will not play with them.Children playing with plastic bags face danger of death bysuffocation.■ Safely dispose of packing materials. Packing materials, such asnails and other metal or wooden parts, may cause stabs or otherinjuries.■ Never directly touch any accidental leaking refrigerant. Thiscould result in severe wounds caused by frostbite.■ Do not touch the refrigerant pipes during and immediately afteroperation as the refrigerant pipes may be hot or cold, dependingon the condition of the refrigerant flowing through the refrigerantpiping, compressor, and other refrigerant cycle parts. Yourhands may suffer burns or frostbite if you touch the refrigerantpipes. To avoid injury, give the pipes time to return to normaltemperature or, if you must touch them, be sure to wear propergloves.■ Do not touch the internal parts (pump, backup heater, etc.)during and immediately after operation.Your hands may suffer burns if you touch the internal parts. Toavoid injury, give the internal parts time to return to normaltemperature or, if you must touch them, be sure to wear propergloves.NOTE Installation of the ERHQ or ERLQ heat pump outdoorunit is described in the outdoor unit installationmanual.Operation of the indoor unit is described in the indoorunit operation manual.EK HB XE 008 AA 3 V3Backup heater nominalvoltage:V3 = 1P, 230 VBackup heater capacity (kW)SeriesIndication of heating/cooling capacity (kW)(a)(a) For exact values, refer to "Technical specifications" on page 37.XE = heating and cooling,HE = heating onlyHydro boxEuropean kitEK HB DP 150Drain panHydro boxEuropean kit1 Installation manual2 Operation manual3 Shut-off valve4 Wiring diagram sticker (inside indoor unit cover)5 Indoor unit cover fixing screwMeanings of DANGER, WARNING, CAUTION and NOTE symbols.DANGERIndicates an imminently hazardous situation which, if notavoided, will result in death or serious injury.WARNINGIndicates a potentially hazardous situation which, if notavoided, could result in death or serious injury.CAUTIONIndicates a potentially hazardous situation which, if notavoided, may result in minor or moderate injury. It may alsobe used to alert against unsafe practices.NOTEIndicates situations that may result in equipment orproperty-damage accidents only.