Edge [ii] Controller Operation Manual
SECTION 6
– ADVANCED SETUP
OMM-139_E
• 8/25/2020 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page
165
of
196
•
Ignition Position
: Sets the air fuel valve position at which the unit will ignite. This
allows you to set the air fuel valve position during the ignition sequence
(Range: 5% to 60%)
•
Ignition Blower Voltage
: Sets the blower voltage during ignition.
(Range: 0.25 to 10.0 V)
•
Low Fire Timer
: Specifies how long to remain in the low fire position after ignition,
before going to the desired output. (Range: 2 to 600 sec.)
•
Ignition Hold Timer
: Sets the length of time the unit stays in ignition position. (Range:
0 to 60 sec.)
•
IGN Time Setting
: Displays (read-only) the maximum allowable time between
confirmation of gas valve opening (POC) and a stable flame detected; some legacy units
allowed up to 7 seconds.
Operating Control
The
Operating Control
screens provides parameters to view or modify operating levels that
apply to this unit only.
1. Go to:
Main Menu
→
Advanced Setup
→
Performance
→
Fire Control
→
Operating
Control
.
Figure 6.6.3.3: Fire Control: Operating Control Levels
2. The following operating control parameters are available:
•
Start Valve Position
: Specifies the valve position at Start Level.
(Range: 0 or
Stop Valve Position
to 40%)
•
Stop Valve Position
: Allows the Stop Level to be set to a valve position.
(Range 0% to
Start Valve Position
)
•
Max Valve Position
: Sets the maximum allowable valve position for the unit. (Range:
40 to 100%)
•
Standby Blower Voltage
: Sets the blower voltage when the unit is in Standby Mode,
during which the blower moto
r remains “ON” at low speed, to limit power cycles. AERCO
recommends keeping the default. However, individually vented units in positive pressure
boiler rooms may set this
between
2.00
and
0
volts to compensate.
(Range: 0.0 to 10.0V)
•
Vlv Position Change Rate
: Defines the rate at which the
valve position
will
progress from one step to the next. (Range: 0.5 to 60 sec.)