TOSOT DC INVERTER U-MATCH AIR
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3.3.2 Indoor unit
Table 1-4-2 Electrical Data of Indoor Unit
Duct Type
Maximum Overcurrent
Protection
Air Handler
Maximum Overcurrent
Protection
NOTES:
RLA: Rated load amperes
LRA: Locked rotor amperes
FLA: Full load current
① The fuse is located on the main board.
② Install the disconnect device with a contact gap of at least 3mm(1/8inch) in all poles nearby the
units (Both indoor unit and outdoor unit). The appliance must be positioned so that the plug is
accessible.
③ Take 2 pieces of power cord of 0.75mm² (AWG18) as the communication lines between indoor
and outdoor unit, with their longest lengths of 50m(164feet). Please select the appropriate line
length as per the actual installation conditions. The communication lines can not be twisted
together. For the unit (≤30K), it’s recommended to use 8m(26-1/4feet) long communication line.
④ Take 2 pieces of power cord of 0.75mm² (AWG 18) as the communication lines between the
wired controller and the indoor unit, with their longest lengths of 30m(98-2/5feet). Please select
the appropriate line length as per the actual installation conditions. The communication lines
can not be twisted together. It’s recommended to use 8m(26-1/4feet) long communication line.
⑤ The wire size of the communication line should be no less than 0.75mm²(AWG18). It’s
recommended to take 0.75mm² (AWG18) power cords as the communication line.