Heater – Water Switch (“Flow Control”) - Bosch SHI4302 Manual

VIII. Troubleshooting
VIII. Troubleshooting
Heater
Heater
All Apexx (SH_99) and ExactWash (SHX/Y56 & SHV/Y66)
model heater assemblies have motor operated water switches
inside them, with motors attached where Top Rack Only
housings have been traditionally mounted (underneath heater
assemblies). They consist of a motor-controlled disk (with 3
holes) which rotates to provide precise water flow control --
using both spray arms, upper spray arm only or lower spray
arm only.
Water
switch disk
Water switch disk
– Water Switch ("Flow Control") (1)
– Water Switch ("Flow Control") (1)
Heater
assy.
HINT: Models with water switches require
stronger circulation pumps (# 239129) with
separate motor
Circulation pumps, heaters & sumps for
water switch and non-water switch models
cannot be interchanged.
Models with water switches and
HINT:
Top Rack Only have the Top Rack Only
parts integrated with the water switches.
No separate actuators are needed.
87
Water
switch
motor
starters (#
182318).