How to Adjust the Pressure Control
1.
2.
3.
4.
5.
6.
7.
Turn “OFF” and unplug machine.
Remove cover panel. Locate pressure control at the
top front right side of the machine.
Lift off plastic cover from pressure control.
Locate the open hole with the screw slot in the top of
the pressure control.
With a flat screwdriver, carefully adjust the pressure
control by inserting screwdriver in slot and turning
clockwise to lower pressure or counterclockwise to
raise pressure. One turn equals approximately 1 PSI.
Reinstall and check machine for proper pressure as
follows:
a.
b.
c.
Repeat steps 3-6 if needed.
Espressimo 2450 & 1750 Espresso Cappuccino Machines Page 12
Adjustments
Inspection, testing, and repair of this espresso machine, including the following procedures should only be
performed by a qualified service technician.
Plug machine in. The yellow heater light will turn on.
Watch for the yellow heater light to turn off. This is
the high pressure setting (high pressure setting
should be set at approximately 20 PSI).
Open the steam wand. Watch for the yellow heater
light to turn on again. This is the low pressure set-
ting. The low pressure setting will be within a 3 PSI
Range of the high pressure setting.
How to Adjust the Pump Pressure
1.
2.
3.
4.
5.
6.
7.
8.
9.
Turn “OFF” and unplug machine and shut off water
supply.
Locate small closed nut bolt on pump.
Loosen and remove bolt. Underneath it you will find
the adjustment screw.
To adjust, turn the screw clockwise to raise pressure
or counterclockwise to lower pressure. One half turn
equals approximately 10 PSI.
Reinstall bolt.
Turn on water.
Open hot water spout to flush out air in line.
Plug machine in and check for proper group head
pressure, using a pressure gauge on the filter holder.
Pressure should be approximately 125 PSI.
If the pressure rate is fluctuating erratically, check for
erratic water pressure coming to machine. Install a
water pressure regulator if needed.
Pressure Control
Front of machine
Front of machine
Front of machine
