tekmar 261 Boiler Control User Manual
Data brochure, D 261, Boiler control 261
Copyright © D 261 -
03/09
1 of 20
- Data Brochure
Boiler Control 261
D 261
0
3/09
The Boiler Control 261 is designed to control two separate on / off boiler stages (or one low / high fire) in order to provide outdoor reset
or setpoint operation. The control includes a Liquid Crystal Display (LCD) to view system status and operating information.
Additional functions include:
• Quick Setup for simple installation and programming of control
• User comfort adjustment to increase or decrease building space
temperature
• Advanced settings to fine-tune building requirements
• Powered boiler pump output
• Test sequence to ensure proper component operation
• Setback input for energy savings
• 120 V (ac) power supply
• CSA C US certified (approved to applicable UL standards)
Output
Boiler
Input
Outdoor
Sensor
Included
Output
Boiler System
Pump
Input
120 V (ac) Power
Supply
Input
Boiler Demand
Signal
Input
Universal
Sensor
Included
PRGM
S
T I M E
AMPM
UNOCC
OVR
S
M
W T F
T
1
2
Input
tekmar Timer
Optional
To increase or decrease the
building temperature:
Boiler Control 261
Two Stage Boiler & Setpoint
Terminal Unit
Boiler Demand
C US
158033
Return
Made in Canada by
tekmar Control Systems Ltd.
tektra 910-02
Power:
Relays:
Demand:
120 V
240 V (ac) 10 A 1/3 hp
20 to 260 V (ac) 2 VA
Signal wiring must be
rated at least 300V.
H1
108D
Test
13 14 15 16 17
Do not apply power
UnO
Sw
Com Boil Out Com
11 12
Stage
1
2
3
4
5
6
7
8
Boiler
Demand
L
Power
N
Boil
Pmp N
Setpoint
Demand
Display defaults back to VIEW
menu after 20 sec.
Setpoint
ROOM - Set to desired room temp.
OUTDR DSGN - Set to coldest (design)
outdoor temp.
Installer Instructions
Terminal Unit Set to
High Mass Radiant
Low Mass Radiant
Fan Coil
Convector
Radiator
Baseboard
1
2
3
4
5
6
Setpoint - Set to desired setpoint temp.
Refer to brochure for more information
9 10
Stage
1
1
2
2
Fire Delay
Setpoint Demand
Press the Item, , buttons
simultaneously for 1 sec. to
enter the ADJUST menu
Use the , buttons to
adjust the ROOM setting
Input
Setpoint Demand
Signal
Output
Boiler
Item
BOIL
°F
1 2
OCC
VIEW
Off
Installer
Advanced
Rotate
Meets Class B:
Canadian ICES
FCC Part 15
50/60 Hz 1300 VA
Dat
e Code
Note:
Boiler or setpoint demand
must be powered with 20
to 260 V (ac) before the
boiler is able to fire.