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LP-185 Rev. 9.9.14
PART 10 – FIELD WIRING – VISION 1 OPTION
Outdoor Sensor Function
The user can program the desired supply temperature based on the heat transmitter (baseboard, radiant floor, air handler) that will be
used in the installation. Once the outdoor sensor (light green wires) is connected to the control board, the water temperature of the
boiler will adjust to run the boiler more efficiently and provide greater comfort to the living space.
Connection Specification
– Wire 22 AWG maximum to 100 feet or 18 AWG up to 150 feet. Length of wire run cannot exceed 150 feet.
Outdoor Sensor
NOTE:
If the system requires a fixed operating temperature, the outdoor sensor is not required and should not be installed.
Connected in the boiler junction box, the Outdoor Sensor allows the control to automatically change the temperature going to the
central heating loop. Route wires from the boiler terminal strip to your outdoor sensor. Place the sensor preferably to the north or
northwest or to the side which will be affected by changing weather conditions outside.
NOTE:
Do not locate the sensor in direct
sunlight.
The wire to outdoor sensor must not be laid closer than 6’ to line voltage wiring (120/240 V) and must never be in the same conduit.
NOTE:
For correct mounting procedures, follow instructions provided with the sensor.
NOTE:
If sensor wires are located in an area with sources of potential electromagnetic interference (EMI), the sensor wires should be
shielded, or the wires routed in a grounded metal conduit. If using shielded cable, the shielding should be connected to the common
ground of the boiler.
Indirect Sensor Function
The maximum run time on priority function for the SuperStor Ultra Indirect Fired Water Heater is from 1-60 minutes. The water
temperature can only be adjusted when using a sensor (not a mechanical control). Temperature adjustments are from 95 to 185
degrees, plus a differential 1-18 degrees (Note: It is recommended that you do not exceed 5 minutes on the DHW pump post purge
cycle to avoid cooling down your DHW tank).
Indirect Sensor
The Indirect Sensor connects to the boiler main control. Route wires from the terminal strip to the sensor or the mechanical control,
Honeywell part # L4080b1395 (not included in Vision I Package), into the control well located in the front of the water heater. This will
allow the installer to control the temperature of the indirect from the boiler and give the indirect priority over the central heating circuit.
Once the indirect is satisfied, the boiler will then switch back to central heating if there is a call for heat. If not, the boiler will then shut
down.
Caution should be used to ensure neither of these terminals becomes connected to ground.
NOTE:
If sensor wires are located in an area with sources of potential electromagnetic interference (EMI), the sensor wires should be
shielded, or the wires routed in a grounded metal conduit. If using shielded cable, the shielding should be connected to the common
ground of the boiler.
Failure to use the correct sensor may result in tank temperature being either above or below set point, and could result in decreased
performance, substantial property damage, or heightened risk of injuries due to scalds.
Indirect Circulator (P2) Program Function
The Indirect Circulator Program Function will automatically start when the water heater sensor reads a call for heat. The installer can
also program the post purge function on the circulator. The post purge circulator function ranges from 1-30 minutes.
Indirect Circulator (P2)
The Indirect Circulator connects to the boiler terminal strip. Run wire to the SuperStor Ultra Indirect circulating pump. The purple wire is
the neutral lead and the pink wire is the hot. This will supply 120 volts directly to the water boiler circulator.
Fault Code Alarm Output
If there is a lockout fault present in the boiler control, a 120 volt output is activated. This is useful when you have a remote display that
will notify you of a fault condition, or if you have auxiliary equipment that needs to shut down in the event of a lockout.
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