Description
Control Description: 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. Literature + D 263,
A 263+s, D 001, D 070 Control
+ Microprocessor PID control;
This is not a safety (limit)
control Packaged Weight + 3.3
lb. (1500 g), Enclosure A,
blue PVC plastic Dimensions +
6-5/8" H x 7-9/16" W x
2-13/16" D (170 x 193 x 72
mm) Approvals + CSA C US,
meets ICES & FCC regulations
for EMI/RFI Ambient
Conditions + Indoor use only,
32 to 122+F (0 to 50+C), <
90% RH non-condensing Power
Supply + 115 V (ac) +10%
50/60 Hz 600 VA Relay
Capacity + 230 V (ac) 5 A,
1/3 hp, pilot duty 240 VA
Modulation Output + 0-20 mA /
4-20 mA (up to 1000 ? load)
Demands + 20 to 260 V (ac) 2
VA Sensors Included + NTC
thermistor, 10 k? @ 77+F
(25+C +0.2+C) +=3892 Outdoor
Sensor 070 and Universal
Sensor 071, 500 ? Resistor