The Maxitrol A1014R Amplifier is used for Selectra Series 14 Electronic Gas Flame Modulation System.  The device gives output voltage to the M/MR Modulator Valve.  It has wiring terminals, a power indicator, an integral discharge 40-80ºF temperature dial,  and a sensitivity adjustment knob.  To adjust the sensitivity, the right turn of the knob is to increase and turn left to decrease.

The Selectra Series 14 Systems is used for make-up air heating applications and gas flow control.  Compatible with various gases such as natural gas, manufactured, mixed gases, liquefied petroleum gases, and LP gas-air mixtures. 

Features:

• TDS Dipswitch for discharge temperature selection by using TD114 Remote Temperature Selector or Integral Discharge Temperature Dial
• LFS Dipswitch for setting up 0 to 10-seconds low fire start duration
• Sensitivity Adjustment Knob for controlling the system response

Complete Selectra Series 14 Basic System for make-up air heating:

Note: When selecting a TD114 remote temperature selector, the temperature range must be the same as the TS114 sensor temperature range.