tekmarNet® 4 Thermostat - Two Stage Heat
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Control
Description The tekmarNet® 4
thermostat 543
operates two stages of heating equipment. The 543 can operate as a
stand alone
device, or communicate with a group of tekmarNet® 4
thermostats.
Literature
—
D543 , J543, U543, W543
Control
—
Microprocessor PID control; This is not a safety
(limit) control
Packaged weight
—
1.05 lb. (476 g), Enclosure K, white PVC plastic
Dimensions
—
4-1/2" H x 4-3/4" W x 7/8" D (114 x 120 x 22 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
W2 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
Part Number: 543