
1016BVM OPERATION (continued)
WATER HEATER
Water temperature is sensed by an electronic
water temperature probe inserted into the
water tank. This temperature signal is fed to
the controller.
The setpoint temperature is adjustable. The
controller sends a command signal to the
power board based upon a comparison
between the setpoint temperature and actual
temperature. See page 15.
The power board energizes the heating
elements based on the command signal from
the controller.
Excessive temperature will trip the hi-limit
safety switch. When the brewer cools,
remove front panel and press the red button
on the hi-limit to reset.
WATER FLOW
AUTOMATIC OPERATION
Pressing the BREW key energizes the
solenoid valve, allowing water from an
external water supply to ow into the water
tank. The incoming water forces heated
water out of the tank to perform the brew.
The solenoid uses a ow control device so
that ow is consistent between 20 p.s.i. and
90 p.s.i.
The length of time the solenoid is open
is controlled by the time setting of the
controller. See page 16.
After the solenoid closes, water will continue
to ow to the brew chamber until water level
in the tank falls below the brew pickup,
breaking the siphon.
HOT WATER FAUCET
The faucet water coil is submerged in the
hot water tank and draws heat from the brew
water. Water going to the water coil is not
controlled by the solenoid valve.
Hot water is provided at the faucet, at supply
water pressure, any time the faucet shut-off
valve is OPEN.
Fig. 5 Water Flow Diagram
Fig. 4 Heat Control Diagram
7
912 p/n 2M-75936 Owners Manual 1016BVM Coffee Brewer
912 p/n 2M-75936 Owners Manual 1016BVM Coffee Brewer
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