Thermann 26LP50C, Руководство по установке

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Thermann Installer's Manual
Gas Continuous Flow Condensing Water Heaters
22
CASCADE INSTALLATION
CASCADE SET UP
Do not supply power to either unit until steps 1-4 below are completed.
1. Connect pipes for gas, cold water and hot water.
2. Hook up the interconnect cable to the remote controller terminal of each unit.
3. Set the Dip Switch 2 on the PCB of each unit as per the drawing and assign the MASTER
unit and the SLAVE unit.
ON
the MASTER unit
OFF
OFF
the SLAVE unit
ON
Dip Switch 1
Dip Switch 2
ON
5
7
6
1
4
2
1
2
8
3
OFF
ON OFF
Combustion Indicator LED
To connect the cascade cable, refer to 'How to fix the cables' on page 15.
4. If connecting optional remote controllers, they must be connected to the unit
which has been setup as the ``MASTER unit´´.
5. Energise the SLAVE unit first. Then energise the MASTER unit.
6. If optional remote controllers are connected, follow initial setting of remote controllers
on page 18 of this manual.
7. To verify setup is completed correctly, check remote controller digital monitor. If remote
controller is not being used check combustion indicator LED on the PCB then follow the
steps shown on the cascade installation flowchart.