Tekmar 263 Boiler Control User Manual Page 25
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DIP Switch Settings
GENERAL
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.
If a DIP switch is changed while the control is powered up, the
control responds to the change in setting by returning the display to
the VIEW menu.
Advanced / Installer
The Advanced / Installer DIP switch selects the access level of the control. In the
Installer access level, a limited number of items may be viewed and / or adjusted. In the
Advanced access level, all items may be viewed and / or adjusted.
Setback / None
The Setback /None DIP switch enables and disables the setback functions of the control.
When the DIP switch is set to the None or down position, the control ignores any external
setback signal, and its user interface does not display the Unoccupied adjustments.
When the DIP switch is set to the Setback position, the internal clock in the control is
enabled. The control also responds to an external setback signal generated on the
UnO Sw terminal.
Soft Stop / Off (MODE 2 - One Modulating Boiler and Pump Only)
The Soft Stop / Off DIP switch selects whether or not to provide the boiler with a Soft
Stop. If the switch is set Soft Stop, the control modulates the burner down to minimum
modulation and holds it at the minimum for an amount of time before shutting off the
burner. If the switch is set to Off, the control turns off the burner at the current firing rate
once a demand is removed.
Rotate / Off (MODE 1 - Two On / Off Stages Only)
The Rotate / Off DIP switch selects whether or not the control is to provide Equal Run
Time Rotation of the boiler stages. If the switch is set to Rotate, the stages will be rotated
accordingly. If the switch is set to Off, the firing sequence if fixed starting with the lowest
stage to the highest stage.
DHW Sensor / Off
The DHW Sensor / Off DIP switch selects whether or not the control is to use an external
or an internal DHW demand. If the DIP switch is set to DHW Sensor, the control generates
an internal DHW demand by monitoring the DHW tank temperature. If the switch is set to
Off, an aquastat would be used to generate the external DHW demand.
Off / Exercise
The Off / Exercise DIP switch selects whether or not the control is to exercise the primary
pump and boiler pumps. If the DIP switch is set to Exercise, the pumps are operated for
10 seconds after every three days of inactivity.
DIP Switches
Item
Boiler Control 263
Menu Item
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Made in Canada by
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Power 115 V ±10% 50/60 Hz 2000 VA
Relays 230 V (ac) 7.5 A 1/3 hp, pilot duty 240 VA
Demands 20 to 260 V (ac) 2 VA
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Boiler Demand
DHW Demand
Setpoint Demand
Modulation
Priority Override
None
Advanced
Setback
Off
Soft Stop
Exercise
DHW Sensor
Off
Rotate
Installer
None
Advanced
Setback
Off
Soft Stop
Exercise
DHW Sensor
Off
Rotate
Installer
None
Advanced
Setback
Off
Soft Stop
Exercise
DHW Sensor
Off
Rotate
Installer
None
Advanced
Setback
Off
Soft Stop
Exercise
DHW Sensor
Off
Rotate
Installer
None
Advanced
Setback
Off
Soft Stop
Exercise
DHW Sensor
Off
Rotate
Installer
None
Advanced
Setback
Off
Soft Stop
Exercise
DHW Sensor
Off
Rotate
Installer
- - Data Brochure 1
- Menu Item 2
- Boiler Demand 3
- DHW Demand 3
- Setpoint Demand 3
- Modulation 3
- Priority Override 3
- Timer Switch 5
- Section B1 6
- Section B2 6
- Section B3 6
- 720 hours 672 hours 7
- 672 hours 720 hours 7
- Section C1: Pump Operation 11
- Section C: Pump Operation 11
- Section C1 11
- Section D1 12
- Section E1 14
- Section E2 14
- Section F1 17
- 115 V (ac) 20
- Mod 1 mA 21
- —————— 22
- CONNECTING THE CONTROL 24
- TEST THE MODULATING OUTPUT 24
- DIP Switch Settings 25
- DIP Switches 25
- View Menu (1 of 1) 26
- Description 26
- Installer 27
- Advanced 27
- Time Menu (1 of 1) 30
- Schedule Menu (1 of 1) 31
- Testing the Control 32
- Error Messages (1 of 2) 33
- Error Messages (2 of 2) 34
- Control Systems 36
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