Halton M.A.R.V.E.L. Operator's Manual page 26

For example:
IR# Index
Duct DP
Display Field
IR1_Index
IR2_Index, etc
Duct_DP
Duct_Temp
M.A.R.V.E.L. Installation Operation & Maintenance Manual
Recommended Value and Action
• Appliance OFF - 59 - 80 ºF
• Appliance ON: > 80 ºF
• Power supply off: -220 ºF
NOTE: if more than 1 IRIS™ sensor, check each IR_Index
value. If all values are -220 check that power supply.
• Exhaust fan OFF: 0.00 IWC
• Exhaust fan ON: up to 1 IWC (single unit)
• Exhaust fan ON: up to 3 IWC (multiple units with
common duct)
• Cooking: 50 to 150 ºF
• Not cooking: ambient room temperature
26
Duct DP