tekmar 263 Boiler Control - Manual

- 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
N L
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
Dat
e 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.