Indoor unit installation
94 Installation
3.2 A5 duct indoor unit installation
3.2.1 Service space for indoor unit
3.2.2 Bolt pitch
Capacity(KBtu)
Size of outline dimension mounted plug
L M
MTBU-12HWFN1-QRD0W 740 350
MTB-18HWFN1-QRD0
MTB-24HWFN1-QRD0
960 350
MTB-30HWFN1-QRD0 1240 500
MTB-36HWFN1-QRD0
MTB-42HWFN1-QRD0
MTB-48HWFN1-QRD0
MTB-55HWFN1-QRD0
1240 500
3.2.3 Install the pendant bolt
Select the position of installation hooks according to the hook holes positions showed in upper picture.
Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the
expansible hooks (fittings).