Tekmar D 270 User Manual

- Data Brochure
Boiler Control 270
D 270
08/10
1 of 24 © 2010 D 270 - 08/10
The tekmar Boiler Control 270 can control the supply water temperature from a single modulating boiler based on outdoor temperature
or domestic hot water requirements. A large easy to read display provides current system temperatures and operating status.
Additional functions include:
Input
Universal Sensor
Included
Input
Indoor Sensor
Optional
Input
Outdoor
Sensor
Included
Input
Boiler
Demand
Input
DHW
Demand
Output
Primary
Pump
Input
115 V (ac)
Power Supply
Output
DHW Pump or
DHW Valve
Output
Boiler
Output
Pump
OR
Input
tekmar
Timer
M
1
Boil
Dem
2
Com
Dem
3
DHW
Dem
Prim
P1
4 5
NL
6
Power
7 8 9 10 11
+--
12 13 14 15 16 17 18
Mod V(dc) Out Com Indr UnO Boil Com
Sw
Boiler Control 270
One Modulating Boiler & DHW
Boiler
Pmp P2
DHW
Pmp/Vlv
H2039A
Menu Item
Boiler Demand
DHW Demand
Modulation
DHW Priority Override
Test
off not testing
red
testing
red
testing paused
Made in Canada by
tekmar Control Systems Ltd.
tektra 969-03
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
button for 3 second
s.
Meets Class B:
Canadian ICES
FCC Part 15
Date Code
Advanced Off
Installer Exercise
Do not apply power
• 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
• Optional indoor sensor for room air temperature control
• Test sequence to ensure proper component operation
• Setback input for energy savings
• CSA C US certified

Tekmar D 270 Specifications

General

Brand	Tekmar
Model	D 270
Category	Control Panel
Language	English