Frontier Oil Heat – PN 10-2021 – October 2021 - 23 -
Energy Manager Operation
WARNING: Do Not Jump!
If you apply 24VAC to any Energy sensor lead with
the sensor connected to the Manager, you will burn
out both the sensor and the Manager in less than a
second.
NOTE: The Manager cannot lockout the primary
control on the burner. The E140 error code will
usually indicate that a burner lockout has occurred.
Testing Manager Lights: To confirm operation of the
Manager lights, turn power off briefly and power up the
Manager. On startup, all output lights will turn on for a
brief moment and LCD back light is turned on.
A) Thermostat Lights:
Indicate a thermostat calling for heat. If all lights are OFF, the burner will not run because there is no call for heat. T
4
is located on the bottom. SET HEAT ANTICIPATORS FOR 0.1 AMPS. There is a 25 second delay to prevent
thermostat short cycling.
B) Return Temperature Thermistor:
Senses return temperature and is required for manager to work properly. If the thermistor has failed, the E100 error
code is displayed for the first ten minutes. After ten minutes, the manger switches to and displays E190 error code
(Classic Mode). Disconnecting the RED lead will cause the manager to run in these modes also.
C) Option Switches:
Set option switch 1 to ON for systems with a gas burner. Set option switch 2 to ON for sidewall vent systems.
D) LCD Display:
Displays boiler RETURN temperature, not supply temperature.
The Manager is the operating aquastat and will turn off the burner if return temperature reaches 170°F
(operating limit).
The zone outputs will open when the return temperature is above 140°F and close zone outputs when the
return temperature drops below 120°F. If a new zone calls when the returns are below 140°F the new
zone will not open until the temperature exceeds 140°F (even if other zones are open).
The boiler will typically take about 2 minutes to reach 140°F from a cold start.
When the Manager is working properly and has found a condition that needs service, the E100, E130,
E140, E150 or E190 error codes will be displayed along with a description of what the error code
means. See page 27.
E) Heating or Zone Lights:
Indicate 24-volt power from 24VAC to Z
X
(Z
HW
, Z
1
, Z
2
, Z
3
, and Z
4
). This provides power to 24-volt zone valves or
zone circulator relays. NEVER JUMPER THIS CONNECTION!
F) Inducer Light On:
Indicates 24 volts from IND to 24VAC. This pulls in the 24-volt coil on the inducer relay, providing 120-volts to the
power vent. This will only operate with option switch 2 ON.
G) Burner Light On:
Indicates a closed contact between B
1
to B
2
. This is wired to T-T on the burner primary control.
H) Circulator Light:
On indicates 24 volts from manager CIRC to manager 24VAC. This pulls in the 24-volt coil on the Burner/Main
circulator relay, providing 120-volt power to both the main circulator and the burner.
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