10Kaden Installer's ManualDucted Gas Heaters2.1 HEATER DIMENSIONSØ SaØ RaH DIGFE BJ CAKModel A B C D E F G H I J K ØSa ØRaKU521 657 1046 430 15 104 510 238 187 621 575 477 300 300KU530 707 1096 550 15 240 560 280 280 536 540 528 350 350KU415 625 845 397 15 95 495 197 197 446 445 471 300 300KU420 625 845 397 15 95 495 197 197 446 446 471 300 300KU425 625 845 397 15 95 495 197 197 446 447 471 350 350KU430 644 923 549 15 246 515 237 201 483 447 491 350 350KU315 627 844 408 15 95 496 230 197 414 445 471 300 300KU320 627 844 408 15 95 496 230 197 414 445 471 300 300KU325 627 844 408 15 95 496 230 197 414 445 471 350 350KU330 645 941 552 15 240 516 236 235 468 470 491 350 350All dimension in mmDiagram 12.2 PLATFORM & SERVICE CLEARANCESBBAACCPlatform& ServiceAreaiiiDDEEMinimum ServiceClearanceInternal ExternalMethod 1 Method 2A = Front 750mm 750mm 500mmB = End 750mm N/A 300mmC = End N/A N/A 300mmD = Top 250mm 800mm 1000mmE = From Platform &Service Area D + The height of the heater(Heater height = Diagram 1 dimension A)Diagram 2i. There are two methods of installing the KU series internally, in ceilings and under the floor.Method 1 is for when the minimum clearance (B) at the Fan cabinet end is available.Method 2 is for when the minimum clearance (B) at the Fan cabinet end is not available.ii. This minimum clearance height (E) must be maintained across the entire Platform and Service Area.IMPORTANTFor all internal installations, permanent artificial lighting shall be provided at the heater, with theswitch located at the access opening.2. KU UNIVERSAL MODEL GUIDELINES