tekmarNet® 4 One Stage Heat Thermostat
Control Description The tekmarNet® 4
thermostat 541 operates one stage of heating equipment. The 541 can operate
as a stand alone device, or communicate with a group of tekmarNet® 4
thermostats.
Literature —
D541 , J541 , U541 , W541
Control —
Microprocessor PID control; This is not a safety (limit) control
Packaged weight —
0.46 lb. (210 g), Enclosure J, white PVC plastic
Dimensions —
2-7/8" H x 2-7/8" W x 13/16" D (73 x 73 x 21 mm)
Approvals —
CSA C US, CSA/UL 61010-1, meets Class B: ICES and FCC Part 15
Ambient Conditions —
Indoor use only, 32 to 122°F (0 to 50°C).
—
RH less than or equal to 80% to 88°F (31°C), down to 50% from 104 to
122°F (40 to 50°C)
—
Altitude <2000 m, Installation Category II, Pollution Category 2
Power Supply —
24 V (ac) ± 10% 60 Hz, 3.5 VA, NEC / CEC Class 2
W1 Relay —
24 V (ac) 2 A
Sensors —
NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892
Included —
None
Optional —
tekmar type #:071, 070, 072, 073, 076, 077, 078, 079
