Mitsubishi Electric PAC-IT51AD-E Vs PAC-IT52AD-E IT Signal Adapter
Mitsubishi Electric PAC-IT51AD-E and PAC-IT52AD-E are terminal signal adapters for MHK1 thermostat interface.
PAC-IT51AD-E allows CITY MULTI units with CN100 and CN51 terminals to supplement CN105 connection for use with the MHK1 thermostat. PAC-IT52AD-E on the other hand allows CITY MULTI units with CN100 and CN52 terminals to supplement CN105 connection for use with the MHK1 thermostat. All of them are needed when working with commercial equipment.
The CN105 terminal's PAC-IT51AD-E and PAC-IT52AD-E cannot be used interchangeably due to the power source reasons. The power comes from the board on the indoor unit.
See below how terminal designations are connected.
The PAC-IT51AD-E is for units with a CN51 terminal while the PAC-IT52AD-E is for units with CN52 terminal.
For custom HVAC control solutions, feel free to contact our HVAC Specialists for assistance or learn more on our HVAC Controls website.
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