Connecting Line Voltage - Mitsubishi Electric PAAA18AA1 Installation Manual

External I/O specifications
CAUTION
Ensure you comply with the following requirements for all units and equipment con-
nected to the PAA unit. Otherwise, it may result in damage to the unit.
• Wiring should be covered by an insulation tube with supplementary insulation.
• Use relays or switches with IEC or equivalent standard.
• The electric strength between accessible parts and control circuit should be 2750 V
or more.
Wiring
Electrical wiring to the PAA unit control box will come from the outdoor unit. Please refer to the
installation instructions for the outdoor unit.
NOTE
The PAA unit does not support supplemental electric heating systems.

15.2. Connecting line voltage

WARNING
Ensure that you comply with the following requirements. Otherwise, results such as electric
shock, fire or explosion may occur.
• MAKE SURE POWER SUPPLY IS OFF.
• The unit should be installed by a licensed contractor/electrician. If required by applicable
national, state, and local codes, a disconnect switch will need to be installed when the
indoor unit is powered from the outdoor unit.
• The disconnect switch should ALWAYS be disconnected when installing the system.
© 2022 Mitsubishi Electric US, Inc.
PAA-A18, 24, 30, 36, 42AA1/BA1/CA1
76 Specifications are subject to change without notice.