Settings – tekmar 371 House Control User Manual

Page 14

Boiler

If a boiler is connected to the terminals

Boiler — Boiler (20 and 21), make sure power to the boiler circuit is off and install a jumper

between the terminals. When the boiler circuit is powered up, the boiler should fire. If the boiler does not turn on, refer to any
installation or troubleshooting information supplied with the boiler and/or Boiler Control. If the boiler operates properly, disconnect
the power and remove the jumper.

DHW Pump

If a DHW pump is connected to the

DHW Pmp (22), make sure the power to the pump circuit is off and install a jumper between

the

Power L — DHW Pmp (4 and 22) terminals. When the DHW circuit is powered up, the DHW pump should turn on. If the DHW

pump does not operate, check the wiring between the terminals and the pump and refer to any installation or troubleshooting
information supplied with the pump.

Zone Pump or Valve

• If a zone pump or zone valve is connected to the terminals

Com 3-5 —5 (28 and 31), make sure power to the pump or valve circuit

is off and install a jumper between the terminals

Com 3-5— 5 (28 and 31). When the zone circuit is powered up, the zone pump

should turn on or the zone valve should open completely. If no response occurs, check the wiring between the terminal and the
pump or valve and refer to any installation or troubleshooting information supplied with these devices.

• If a zone pump or valve is connected to the terminals

Com 3-5 — 4 (28 and 30), follow a similar procedure as described above

for the zone

5 relay.

• If a zone pump or valve is connected to the terminals

Com 3-5 — 3 (28 and 29), follow a similar procedure as described above

for the zone

5 relay.

• If a zone pump or valve is connected to the terminals

Com 1-2 — 2 (25 and 27), follow a similar procedure as described above

for the zone

5 relay.

• If a zone pump, valve or cooling circuit is connected to the terminals

Com 1-2— 1 (25 and 26), follow a similar procedure as

described above for the zone

5 relay.

Connect the Control



• Make sure all power to the devices and terminal blocks is off and remove any remaining jumpers from the terminals.

• Reconnect the terminal blocks to the control by carefully aligning them with their respective headers on the control and then pushing

the terminal blocks into the headers. The terminal blocks should snap firmly into place.

• If required, install the supplied safety dividers between the unpowered sensor inputs and the powered 120 V (ac) or 24 V (ac) wiring

chambers.

• Do not apply power to the control until the adjustment dials and DIP switches are properly set for your application. See the Settings

section of this brochure for details on how to set the dials and DIP switches.

• Once the settings are complete, apply power to the control. The operation of the control on power up is described in the Sequence

of Operation section of this brochure.

Settings

Before adjusting the dial settings, read through the Sequence of Operation section of this brochure to ensure that you understand how
the control operates.

STEP SIX

ESSENTIAL CONTROL SETTINGS

Using the Internal Timer, 24 hr.

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First determine the length of time required for the UnOccupied period and turn the

UnOccupied Duration dial to the desired duration

length. If the dial is set to 24 hours, the 371 remains in UnOccupied mode continuously. If the dial is set to 0 hours, the 371 remains
in Occupied mode continuously.

Press the

Start button at the desired starting time for the UnOccupied period. Once the

Start button is pressed, the 371 enters the UnOccupied period at the same starting time
each day.

Example: The user wants an UnOccupied period starting at 10 pm and ending at 6 am.

The

Unoccupied Duration dial is set to 8 hours and the Start button is pressed

at 10 pm. Once the

Start button is pressed, the control goes into UnOccupied

mode from 10 pm until 6 am the next morning. This cycle will be repeated every
day of the week.

Timer Active

24 hr. Timer

• Dial the desired duration of the
UnOccupied period.
• Press start button at the time of day
you want the UnOcc. period to begin.
Timer Active light turns on.

Start

0 = always Occupied
24 = always UnOccupied

12 hrs.

UnOccupied

Duration