VALCO MELTON D4, Manual

Page: 73 / 253

MM147 - D4 Hot Melt Unit Section 5 - Setup
73
User Inputs and Outputs - Continued
Outputs 1-4 Conditions to Turn Output ON
Disabled None
Setback On
Control is in Setback mode
Alarm High Temperature Alarm OR,
Low Temperature Alarm OR,
RTD Disconnected Alarm OR,
Drive Fault (if equipped) OR,
Filter Alarm (if equipped) OR,
Communication Fault
System Ready & Pump On All zones have reached their respective temperature setpoints minus the System
Ready Temperature Offset, the Ready Delay Time has elapsed AND t he pump is
ON.
System Ready All zones have reached their respective temperature setpoints minus the System
Ready Temperature Offset AND the Ready Delay Time has elapsed.
Power On Control power is ON
Level 2 Material is below the Level 2 Sensor (if equipped)
Level 1 Material is below the Level 1 Sensor (if equipped) OR,
Hopper Feeder runs for more than 200 seconds without satisfying Level Sensor (if
equipped)
Fault/Stop The tank over-temperature thermostat is open OR,
Any zone temperature has increased above the Maximum Temperature Setting
OR,
The High Temperature Alarm or RTD Disconnected Alarm persists for more than
150 seconds
Note: Any of these conditions will cause the control to deactivate the master
control relay
Alarm/Level High Temp Alarm OR,
Low Temp Alarm OR,
RTD Disconnected Alarm OR,
Drive Fault (if equipped) OR,
Filter Alarm (if equipped) OR,
Communication Fault OR,
Material is below the Low Level Sensor (if equipped) OR,
Hopper Feeder runs for more than 200 seconds without satisfying Level Sensor
(if equipped)
Ready & Level All zones have reached their respective temperature setpoints minus the System
Ready Temperature Offset, the Ready Delay Time has elapsed AND the material is
below the level 1 sensor.
Pressure Alarm The pump is ON, the pressure alarm delay has elapsed AND material pressure is
outside of the setpoint range.