172-65702M-04 (SQ-C01) 10 Dec 2020
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interferes, remove it as well. (The
pressure gauge can be removed by
loosening the stainless steel pipe fitting
on the siphon pipe.)
5) Remove the steam supply unit to be
replaced and install the new unit by
following the same procedures in
reverse. Gaskets must be replaced if
disassembled.
(2) Heat Exchanger Unit
Components required: (1) Heat Exchanger Unit × 1
1) Remove the flexible tube for cold water
connected to the mixing valve located
in front of the heat exchanger.
(There are two locations where G½
threaded connectors are used.)
2) Loosen the union connected to the
steam supply unit.
3) Loosen the G
threaded connectors
on both cold and hot
water sides.
4) Remove the flange connected to the
condensate piping.
Remove screws fixing the condensate
outlet piping of the unit to the base and
then remove the piping band.
5) Remove the heat exchanger unit,
holding it with two hands. If the
pressure gauge interferes, remove it
as well. (The pressure gauge can be
removed by loosening the stainless
steel pipe fitting on the siphon pipe.)
