Submittal

Specifications
Voltage Input 120VAC 60Hz
Power Consumption 12 VA Max
Operating Temperature 20°F to 130°F
Operating Humidity 20% to 80%
Dimensions 11-3/8" wide x 9-1/4" high x 3-3/4" deep
Weight 2.5 pounds
Lead Stage Rotation Time (1 to 1440 hours [60 days]), manual, last-on
Staging Boiler Modes Auto, standby, on, off
Modulating Boiler Modes Auto, manual, standby, on, off
Switch Between Boiler Group Modes System/Return Temp
Ignition Start Point 1% to 50%
Modulation Start Point 0% to 100%
Standby Time (PID only) 1 to 60 minutes
Purge Delay 0.0 to 10.0 minutes
Switch between boiler group modes:
Outdoor Temp or System/Return Temp
Lag Delay 0 to 60 minutes
Modulating Signals Available 0-5V, 1-5V, 0-10V, 2-10V and 4-20mA
Sequencing Output Types On/Off, 2-Stage, 3-Stage, or 4-Stage
Output Relay Ratings 1 Amp inductive, 6Amp resistive at 120VAC 60Hz,
15A total for all circuits
Modulation Modes Normal or parallel
Sequencing Modes Lo/Hi/Lo/Hi or Lo/Lo/Hi/Hi
Pump Output 1 N.O. SPST
Add-on M4EXT Extension Panels Up to two M4EXT panels using included RS485
Temperature Display Fahrenheit or Celsius
Display Graphical alphanumeric (7 rows x 21 characters each)
LED 1 system output relay, 4 boiler output relays
Sensor Ranges -35°F to 250°F
Outdoor Cutoff Range 20°F to 100°F, ON and OFF
Set Point 70°F to 250°F
External Set Point -10°F to 240°F using XSIG 4-20mA interface (optional)
Domestic Water With or without priority
Reset Ratio Range (Outdoor Reset only) (1:4) to (4:1) (outdoor : system water), and custom ratio
Offset Adjustment (Outdoor Reset only) -40°F to 40°F
Minimum Target (Outdoor Reset only) 70°F to 170°F
Maximum Target (Outdoor Reset only) 90°F to 240°F
Last Stage Hold (PID only) 0°F to 30°F
Pump Run-On 0 to 360 minutes
Night Setback 0°F to 75°F
Schedules 1 Day and 1 Night (setback) settings per day
Power Backup Lithium coin battery, 100 days minimum 5 year replacement
(maintains clock in power outage)
External Inputs Shutdown input and prove input (dry contacts only)
Seasons Winter and Summer