Model EZGas Pro gas burner — Instruction manual
MNEZGas 011917
– 12 –
Where appliance instructions differ from this manual, follow the appliance instructions.
4. Check system • start-up burner/appliance
(continued)
Should overheating or an emergency occur, immediately:
• Shut off main manual gas valve. • Shut off control switch to burner.
Under some circumstances power should remain on for water pumps or circulating blowers. Determine proper response before attempting start-up.
If burner fails ignition on several attempts, close gas valve and use burner blower to purge appliance before restart.
Programming and Setup
Definitions:
Call for Heat (C.F.H.): TT on + Limit In on + BV on + CO on
Pre-Purge: Time period the motor is on prior to T.F.I.
Trial for Ignition: (T.F.I.): Burner Flame Establishing period
Post-Purge: Time period the motor is on after a Call for Heat has been
satisfied
Post-Purge Interrupt: If selected is Time at which the 120 second Post-
purge will be interrupted if a C.F.H. occurs during the Post-purge.
Allowed Recycles: Number of Recycles allowed during a single C.F.H.
prior to lockout due to flame loss.
TT Used: Select “NO” when not using TT, select “YES” when using TT
Baseline Reset: Resets the baseline statistics used by the fault history
Factory Default: Resets ALL settings to the “Factory Defaults”
Do not start the burner if the combustion chamber contains gas.
Button Functions
Reset
1. Return to Standby from other operating states. Press for ½ second
2. Reset control from Lockout. Press for 1 second
3. Reset control from Latch-up. Press for 30 second
Display Control
ESC /
Display previous Operating State from Operating screen.
Exit Log or Setup screen to Operating screen with 3 second press.
Scroll through recent fault in Log screen.
Scroll to previous parameter in Setup screen.
Reject parameter change from Setup screen. Displays
Unchanged
on line 2 then after 2 sec, displays parameter with unchanged
value.
DN /
Display Time on line 2 of Operating screen.
Scroll down when in Log or Setup screen.
UP
/
Display Flame Rod – µAmps on line 2 of Operating screen.
Scroll up when in Log or Setup screen.
ENTR
/
Display status/fault messages on line 2 from Operating screen.
Move to less recent fault in Log screen.
Move to next parameter in Setup screen.
Accept parameter change from Setup screen. Displays
Entered
on
line 2 then after 2 sec, displays parameter with changed value.
UP
/
& ENTR
/
for 3 seconds
Enter Setup screen.
DN
/
& ENTR
/
for 3 seconds
Enter Fault History screen.
DN
/
&
UP
/
for 3 seconds
Enter Diagnostic screen to display Load Current sensed and Line
voltage.
Shaded box = default settings
*In seconds
†
MA code (“N” models) are non-recycling and will lock out on flame failure
Pre-
Purge*
T.F.I.*
Post-
Purge*
Post-Purge
Interrupt*
Allowed
Recycles
TT Used
Reset
Baseline
Factory
Default
120
60
90
30
30
15
3
10
6
10
60
1
Yes
Yes
Yes
0
4
0
Never
None
†
No
No
No
