6. Set the Unit’s Operating Temperature
Set the operating temperature. The operating temperature setting depends on which Maxitrol controller is used.
Maxitrol Series 14
The Maxitrol Series 14 should be set to the desired discharge temperature. The temperature selector is built into the amplifier.
Set the discharge temperature
Typical: 65ºF
Series 14 Discharge Temperature Setting
7. 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.
DC Voltmeter and
Flame Amplifier
Important
If the flame signal is not above 1.25 VDC and steady, consult the troubleshooting section.
12Model VSU
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