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（2）Install the mode exchanger temporarily
Assemble suspension bolt on the expansion bolt, attach the hanger bracket to the suspension bolt.
Be sure to fix it securely by using a nut and washer from upper and lower sides of the hanger bracket.
The washer fixing plate will prevent the washer from falling.
① Before operation, please prepare all pipelines (connection pipe, drainage hose) and wires (connection wire
for wired controller, connection wire for
② When drilling holes on ceiling (air return outlet or air outlet), you can need to reinforce the ceiling to prevent
vibration. For detailes, please consult user or builder.
③ If the strength of the ceiling is not good, please install a beam bracket, and then put the unit on the beam
bracket.
（3） Adjust the unit to the right position
（4） Check the level of the unit
After the mode exchanger is installed， remember to check the horizontal status of the whole unit. It
should be horizontal from front to back and slant 1% from left to right, following the drainage direction.
Cooling and Heating Recovery Mode Exchanger
Fig. 4.11
Fig. 4.12
mode exchanger
).
12
Unit: mm(in.)
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