– 90 – External dimensions (Unit: mm)254672501540033.5 33.5 5016050435 1616405011080155802562.525.51.51850507419165 5060 269225 95737617465Anchorbolt holepitchAnchor bolt hole pitch4-14×12Long holeRefrigerant pipeconnecting portØ15.9 Gas side3-Ø26Power supplywiring portControl wiring portExternal signalwiring portRefrigerant pipeconnecting portØ9.5 Liquid sideR1-1/4 (PT1-1/4Screw)Water OutletR1-1/4(PT1-1/4Screw)Water InletR1 (PT1 Screw) Drain Fixing the hot water moduleto floorWARNING• Be sure to install the hotwater module in a place ableto bear its weight.If strength is insufficient, the unitmay fall down resulting inhuman injury.• Perform specified installationwork to protect earthquakes.If the hot water module isimperfectly installed, anaccident by falling or droppingmay be caused.CAUTION• Drain water is discharged fromthe hot water module.(Especially while operating)Install the hot water module in aplace with good drainage.• For installation, be careful of thestrength and level of thefoundation so that abnormalsounds (vibration or noise) arenot generated.• Be sure to install the hot water module in a placestrong enough to withstand its weight. If the base isunstable, reinforce with a concrete base.• The hot water module must be anchored on a levelsurface. Use a level to check after installation.• If the hot water module is installed near a roomwhere noise is a problem, using an anti-vibrationstand on the base of the unit is recommended.1. Fix the hot water module with M8 anchor bolts at 4positions. 20 mm projection is appropriate for ananchor bolt.(Unit: mm)• Anchor bolt positions are as shown below:(Unit: mm)20M8 anchor bolt 4 positions/unit16043514×12 long hole