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Tekmar Boiler Control 263 - User Manual

Tekmar Boiler Control 263
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- Data Brochure
Boiler Control 263
D 263
03/09
1 of 36 © 2009 D 263 - 03/09
The tekmar Boiler Control 263 can control the supply water temperature from a single modulating boiler or up to 2 on / off stages
based on outdoor temperature, domestic hot water requirements, or setpoint requirements. A large easy to read display provides
current system temperatures and operating status. The control has an internal setback timer, which can have 2 events per day on a
24 hour, 5-1-1 day or 7 day schedule.
Additional functions include:
• Outdoor Reset
Installer and Advanced access levels
Primary pump output
• Pump exercising
• Pump purging
Boiler demand for space heating loads
DHW demand for domestic hot water loads
Setpoint demand for setpoint loads
Optional indoor sensor for room air temperature control
Test sequence to ensure proper component operation
Internal setback timer for energy savings
Setback input for energy savings
CSA C US certified
Input
Universal
Sensor
Optional
Input
Indoor
Sensor
Optional
Input
Universal
Sensor
Included
Input
Outdoor
Sensor
Included
Input
Boiler
Demand
Input
DHW
Demand
Input
Setpoint
Demand
Output
Primary
Pump
Input
115 V (ac)
Power Supply
Output
DHW Pump or
DHW Valve
Output
Boiler
Output
Boiler
Output
Pump
Output
Boiler
OR OR
Output
tekmar
Timer
M
1 2 3
DHW
Dem
4
Com
Dem
5
Setp
Dem
Prim
P1
6 7
NL
8
Power
9 10 11 12
1
13
1
14 15
+
16
-
17 18 19 20 21 22 23
Com Com Boil Out
DHW Indr
UnO
Sw
Boiler Control 263
Two Stage / One Modulating Boiler, DHW & Setpoint
Relay Mod 1 mA
Boiler
Demand
Relay
2/P2
DHW
Pmp/Vlv
H2038B
Menu Item
Boiler Demand
DHW Demand
Setpoint Demand
Modulation
Priority Override
Test
off not testing
red
testing
red
testing paused
Made in Canada by
tekmar Control Systems Ltd.
Power 115 V ±10% 50/60 Hz 600 VA
Relays 230 V (ac) 5 A 1/3 hp, pilot duty 240 VA
Demands 20 to 260 V (ac) 2 VA
Signal wiring must be rated at least 300 V.
For maximum
heat press &
hold Test for 3
seconds.
Meets Class B:
Canadian ICES
FCC Part 15
Date Code
None
Advanced
Setback
Off
Soft Stop
Exercise
DHW Sensor
Off
Rotate
Installer
Modes
1 Two On/Off Stages
2 One Modulating Boiler and Pump
Do not apply power
Note:
Boiler, DHW, or
setpoint demand
must be powered
with 20 to 260 V (ac)
before the boiler is
able to fire.
Question and Answer IconNeed help?

Do you have a question about the Tekmar Boiler Control 263 and is the answer not in the manual?

Summary

User Interface and Display

User Interface Navigation

Explains how to navigate the control's menus and buttons for setup and monitoring.

Display Elements and Symbols

Details the LCD fields, buttons, and operational symbols of the control.

Sequence of Operation - General and Boiler

Section A: General Operation

Covers control operating modes, types of demands, and powering up.

Section B: Boiler Operation

Details boiler target temperature, staging, modulation, and differential settings.

Boiler Features

Explains setback, exercising, running times, and factory defaults for the control.

Sequence of Operation - Pumps, Reset, DHW, Setpoint

Section C: Pump Operation

Describes primary pump operation, purge cycles, and boiler pump functions.

Section D: Boiler Reset Operation

Explains how the control adjusts supply water temperature based on outdoor air and terminal units.

Section E: DHW Operation

Covers DHW demand sources, priority modes, and operation with various tank piping.

Section F: Setpoint Operation

Details how the control manages setpoint loads, priority, and parallel/primary modes.

Installation and Configuration

Installation Steps and Wiring

Covers preparation, base mounting, and rough-in wiring for control installation.

Electrical Connections and Outputs

Details power inputs, output terminals, modulation outputs, and sensor connections.

DIP Switch Settings

Explains the configuration options available through the control's DIP switches.

Control Menus and Settings

View Menu Navigation

Details the parameters and data available for viewing on the control's display.

Adjust Menu Parameters

Comprehensive list of adjustable settings for mode, temperature, timing, and schedules.

Time and Schedule Setup

Instructions for setting the internal clock and programming daily occupied/unoccupied schedules.

Testing, Troubleshooting, and Data

Control Testing Procedures

Outlines the built-in test routine for checking control functions and sequences.

Error Messages and Max Heat

Lists common error codes, their causes, and the Max Heat operational mode.

Technical Data and Warranty

Provides device specifications, approvals, and limited warranty information.

Summary

User Interface and Display

User Interface Navigation

Explains how to navigate the control's menus and buttons for setup and monitoring.

Display Elements and Symbols

Details the LCD fields, buttons, and operational symbols of the control.

Sequence of Operation - General and Boiler

Section A: General Operation

Covers control operating modes, types of demands, and powering up.

Section B: Boiler Operation

Details boiler target temperature, staging, modulation, and differential settings.

Boiler Features

Explains setback, exercising, running times, and factory defaults for the control.

Sequence of Operation - Pumps, Reset, DHW, Setpoint

Section C: Pump Operation

Describes primary pump operation, purge cycles, and boiler pump functions.

Section D: Boiler Reset Operation

Explains how the control adjusts supply water temperature based on outdoor air and terminal units.

Section E: DHW Operation

Covers DHW demand sources, priority modes, and operation with various tank piping.

Section F: Setpoint Operation

Details how the control manages setpoint loads, priority, and parallel/primary modes.

Installation and Configuration

Installation Steps and Wiring

Covers preparation, base mounting, and rough-in wiring for control installation.

Electrical Connections and Outputs

Details power inputs, output terminals, modulation outputs, and sensor connections.

DIP Switch Settings

Explains the configuration options available through the control's DIP switches.

Control Menus and Settings

View Menu Navigation

Details the parameters and data available for viewing on the control's display.

Adjust Menu Parameters

Comprehensive list of adjustable settings for mode, temperature, timing, and schedules.

Time and Schedule Setup

Instructions for setting the internal clock and programming daily occupied/unoccupied schedules.

Testing, Troubleshooting, and Data

Control Testing Procedures

Outlines the built-in test routine for checking control functions and sequences.

Error Messages and Max Heat

Lists common error codes, their causes, and the Max Heat operational mode.

Technical Data and Warranty

Provides device specifications, approvals, and limited warranty information.

Tekmar Boiler Control 263 Specifications

General IconGeneral
ApplicationBoiler Control
Domestic Hot WaterYes
Outdoor ResetYes
DHW PriorityYes
Supply Voltage24 VAC
Control TypeOn/Off
DifferentialAdjustable
Voltage Rating24 VAC
Enclosure RatingNEMA 1
Input TypeThermistor

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