Dip switch settings, Quick setup – tekmar 260 Boiler Control User Manual

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Boiler

If the boiler circuit is connected to the

Boiler terminals (11 and 12), 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. (The boiler may have a flow switch that prevents firing until the
boiler pump (P1) is running). If the boiler operates properly, disconnect the power and remove the jumper.

Connecting 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.

Install the supplied safety dividers between the unpowered sensor inputs, and the
powered or 24 V (ac) wiring chambers.

Apply power to the control. The operation of the control on power up is described in the
Sequence of Operation section of this brochure.

DIP Switch Settings

The DIP Switch settings on the control are very important and should be
set to the appropriate settings prior to making any adjustments to the
control through the user interface. The DIP switch settings change the
items that are available to be viewed and / or adjusted in the user
interface.

ADVANCED / INSTALLER

The

Advanced / Installer DIP switch is used to select which items are available to be viewed and / or adjusted in the user interface.

DHW VALVE / DHW PUMP

The

DHW Valve / DHW Pump DIP switch is used to select the type of device that is being used to control the flow of heat to the DHW

tank.

Note: If the DHW tank is piped in primary / secondary, DHW Valve must be selected. Refer to section C1.

DHW PRIORITY / OFF

The

DHW Priority / Off DIP switch is used to select DHW priority. If the DIP switch is set to DHW Priority, refer to section C2.

DHW DURING UNOCC / OFF

The

DHW during UnOcc / Off DIP switch is used to select whether or not DHW will be generated during the unoccupied (Night) period.

DHW during UnOcc is selected, DHW operates normally. If Off is selected, a call for DHW during the unoccupied (Night) period is

ignored.

Quick Setup

To enter the installer programming mode, set the

Advanced / Installer DIP switch to Installer.

Access the ADJUST menu by pressing and holding simultaneously for 1 second, the

Item, and buttons. The display will now show

the word ADJUST in the top right corner.

The ROOM OCC adjustment is the first item displayed. Use the or button to set the ROOM temperature.
The ROOM OCC setting is set to the desired room air temperature during the occupied (Day) mode.

Note: To increase or decrease space temperature during the occupied (Day) mode, only adjust the ROOM
OCC setting.

Off

Installer

Advanced

DHW during UnOcc

DHW Pump

Off

DHW Priority

DHW Valve

ROOM

OCC

ADJUST

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UnO

Com Boil Out