Start-up - direct gas, Maxitrol series 14, Maxitrol series 44 – Greenheck DG / DGX with Pilot Ignition (463555 IOM) (Pre-2008) User Manual
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Start-Up
Step 9 Flame Signal Check
To measure the flame signal connect a standard DC
voltmeter to the flame amplifier test jacks + and -
(com) as shown to the right. The flame signal should
be above 1.25 VDC and steady.
Check the flame signal with the burner at pilot only,
minimum fire, mid fire and high fire.
NOTE!
If the fame signal is not above 1.25 VDC and
steady, consult the troubleshooting section.
Start-Up - Direct Gas
Step 8 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)
Series 14 Discharge Temperature Setting
Series 44 Temperature Setting
(shown as Space Temperature Control)
DC Voltmeter and Flame Amplifier