Greenheck DG / DGX with Direct Spark (464043 IOM) (Pre-2008) - Manual (Page 25)

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Step 8 Flame Signal Check
To measure the flame signal connect a micro amp
meter to terminals (FC+) and (FC-) on the Fenwal
flame safe guard. The flame signal should be above
1.0 micro amp and steady.
Check the flame signal with the burner at minimum
fire, mid-fire and high-fire.
NOTE!
If the flame signal is not above 1.0 micro amp
and steady, consult the troubleshooting section.
Start-Up - Direct Gas
Step 7 Set the Unit’s Operating Temperature
Set the operating temperature. The operating temperature setting depends on which Maxitrol controller is used.
Maxitrol Series 14
Set the discharge
temperature
(65°F Typical)
IMPORTANT!
The Maxitrol Series 14 should be set to the
desired discharge temperature. The
temperature selector may be built into the
amplifier or may be a stand-alone dial. The
stand-alone dial may be mounted remotely.
Maxitrol Series 44
IMPORTANT!
The Maxitrol Series 44 should be set to the
desired temperature. If the Maxitrol 44 is
provided with the space temperature control
option, the Selectra Stat must be mounted in the
space being heated.
Set the space
temperature
(70°F Typical)
Start-Up
Series 14 Discharge Temperature Setting Series 44 Temperature Setting
(shown as Space Temperature Control)
Flame Safe Guard
FC+
FC-