Mitsusbishi

Indoor Terminal Block - TB3

- TB3 loops all BS Box's, HRV's and Indoor units
- Daisy chain or star wired
- Maximum of 200m
- 30v DC supply from outdoor
- Ground shield at outdoor

Outdoor Terminal Block - TB7

- Loops all outdoors and central controllers
- Maximum of 200m
- 24v DC supply from central controller
- Ground shield at central controller

If no central controller change bridged plug from CN41 to CN40 on ONE outdoor to power the TB7 loop

Notes

- 'S' Terminal is not connected to earth, use a looping terminal
- TB3 + TB7 + RC cannot exceed 500m