Installation Manual
11/07/2017 3 EI912
Temperature Setting
The inside circuit board contains two screwdriver switches marked Ø through 7. Adjust them to select the
desired set point for your application.
EX: Ideal set point = 86°
Mode Dial would be set to #4
Warm Air Dial would be set to #0
NOTE: MODE DIAL setting # 7 is not applicable to this product
Mode Dial Temperature Range Options
MODEDIAL
WARMAIRDIAL 0 1 2 3 4 5 6 7
0‐10 14 38 62 86 110 134
MUAII
1‐7 17 41 65 89 113 137
2‐4 20 44 68 92 116 140
3‐1 23 47 71 95 119 140
4 2 26 50 74 98 122 140
5 5 29 53 77 101 125 140
6 8 32 56 80 104 128 140
7 11 35 59 83 107 131 140
Monitor Lights
The green LED on the circuit board indicates power at the electric element or modulation of the electric
element. In other words, when the LED is on, full power is at the electric element.
Sequence
A. Electric element is on for 10 seconds after the application of 24 volts AC between yellow and black
wire.
B. Electric element turns off if the temperature is above the warm air set point.
C. If the temperature drops, the electric element modulates to bring it back to the desired temperature
level.
D. If the electric element is fully on (LED on constant) this unit cannot make up the air temperature
required between the duct inlet air and the temperature set point at the sensor probe.