Introduction And Dimensions; A1044U Amplifier; A1044 Amplifier - Maxitrol Selectra Installation Instructions Manual

IntroduCtIon and dImenSIonS

Selectra SERIES 44 electronic gas flame modulation systems are
designed primarily for space heating, as components of direct fired
equipment. They may be field installed on existing equipment or speci-
fied for new equipment installation. All fuel gases are compatible.
The systems utilize Modulator or Modulator-Regulator valves to
control gas pressure. Amplifiers are available with adjustable low-
fire start duration.

A1044U Amplifier

1.69
(42.93 mm)

A1044 Amplifier

© 2008 Maxitrol Company, All Rights Reserved
1.93
(49 mm)
3.38
(85.85 mm)
A discharge air temperature sensor (and mixing tube) is a means
of limiting the minimum and maximum discharge air temperature.
The amplifier supplies output voltage to the modulating valve. A
wall mounted Selectrastat senses space temperature and has an
integral selector with either a 55° to 90° F or 40° to 80° F range.
Optionally, a remote Temperature Sensor paired with a separate
Temperature Selector can be substituted for the Selectrastat.
6.00
(152.4 mm)
3.00
(72.6 mm)
2
1.50
(38 mm)