7. Electrical installation
Installer reference guide / Mono tank integrated type 107
Installation procedure (MHC-400FE, 4kW)
1 Remove the installed backup heater from the tank integrated hydro unit.
• Reuse the rubber packings (A) when you reconnect ① Assy heater parts
(A) Rubber packing
(A) Rubber packing
2 Connect ① Assy heater parts to the pipe.
3 Connect the wires of the backup heater to the PBA connector (CNP401) and ② Magnetic contactor, as shown in the
figure below.
① Assy heater parts
② Magnetic contactor
4 Tidy up the wires of ① Assy heater parts using ⑧ Cable ties so that they look the same as before.
5 Finally, please attach the enclosed ⑫ Label instruction to the bottom of the label rating of tank integrated hydro unit.
Installation procedure (MHC-600FE, 6kW)
1 Remove the installed ASSY HEATER PARTS from the tank integrated hydro unit using a tool.
• Reuse Rubber packings (A) when you reconnect ① Assy heater parts. (Refer to the figure in "Installation (MHC-
400FE)", step 1.)
2 Connect ① Assy heater parts to the pipe.
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