A SERVICE OF

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8. For wire stripping and connection requirement, refer to the diagram below.
9. Secure the power supply cord and connecting cables onto the control board with the holder.
10. Attach the control board cover (metal and resin) and valve cover back to the original position with screw.
10.6 HEAT INSULATION
Liquid-side pipes
CAUTION
U
se a material with good heat-resistant properties as the heat insulation for
t
he pipes. Be sure to insulate both the gas-side and liquid-side pipes. If the
pipes are not adequately insulated, condensation or water leakages may
occur.
Gas-side pipes
Material shall
withstand 248°F or
higher
Cutting and Flaring the Piping
1 Please cut using pipe cutter and then remove the burrs.
2 Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused.
Turn the piping end down to avoid the metal powder entering the pipe.
3 Please make flare after inserting the flare nut onto the copper pipes.