User Instructions
Appendix A __________________________________________________
General Instruction All warnings and cautions denoted throughout this user’s manual also
apply to the CMX-180 model. General instructions and specifi cations
referring to the CMX-250 also apply to the CMX-180 with specifi c
differences outlined below.
Low Pressure Application The CMX-180 is designed to operate at pressures below 20 psi and
temperatures up to 180°F. It is constructed with the same quality
components as the CMX-250, but the pressure switch is not provided.
This allows the pump to operate in low pressure applications. The Low
Water Pressure indicating light on the control panel is disabled.
Element Over-Temperature A cutout in the heater housing protects the elemnts from damage due
Cutout to over-temperature. The over-temperature cutout will shut the system
off if the heaters are not completely immersed in water.
Diagnostic Indicator Over Temperature indicator is illuminated:
Page reference: 13, 22 System temperature has exceeded 190°F (instead of 260°F).
Alarm Relay Action Replace 260°F with 190°F.
Page Reference: 17
Controller 2104 Menu Refer to Section 8:Specifi cations, Fig. 8.2: Controller Menu Settings
Trouble Shooting _________________________________________________________
Trouble Shooting Guide Replaces 260°F with 190°F.
Page Reference: 31, 32
Unit stops running but Probable Cause Correction
temperature indicator light Heating element not Allow unit to cool. Check that the element
is not illuminated. immersed—no fl ow. is immersed and fl ow is adequate.
Replacement Parts _______________________________________________________
Page reference: 29 Identifi cation # Part Name Part #
Additional part 21 ............................... Over-temperature cutout ..........300-012172-008
41
Lower Display
Upper Factory Change
Display Settings to
INPUT PAGE
Process Setpoint Upper Limit SPUL 2100˚F 180˚F
OUTPUT 3
Alarm High Setpoint AHi3 2100˚F 210˚F
OUTPUT 4
Alarm High Setpoint AHi4 2100˚F 210˚F
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