10
HR Unit
Installation
WARNING
• If you want to use a PRHR031 for 2 branches HR unit after closing the 3rd pipes, set the dip switch for 2 branches HR unit.
• If you want to use a PRHR041 for 3 branches HR unit after closing the 4th pipes, set the dip switch for 3 branches HR unit.
• If you want to use a PRHR041 for 2 branches HR unit after closing the 3rd and 4th pipes, set the dip switch for 2 branches HR
unit.
• The unused port must be closed with a copper cap, not with a plastic cap.
2. SW05M (Rotary S/W for addressing HR unit)
Must be set to '0' when installing only one HR unit.
When installing multiple HR units, address the HR units with sequentially increasing numbers starting from '0'.
Maximum 16 HR Units can be installed.
Ex) Installation of 3 HR units
1 2
3 4
1 2
3 4
1 2
3 4
3 4
3 4
3 4
Summary of Contents for PRHR Series
Page 14: ...14 HR Unit ...