tekmarNet® 4 Thermostat - Two Heat, Two Cool, Two Fan
Control
Description The tekmarNet® 4
thermostat 546
operates two stages of heating equipment, two stages of cooling
equipment,
and two fans. The fan operation includes logic to operate
ventilation. The
546 can operate as a stand alone device, or communicate with a group
of tekmarNet® 4
thermostats.
Literature —
D546 , J546 , U546 , W546
Control —
Microprocessor PID control; This is not a safety
(limit) control
Packaged weight —
1.15 lb. (522 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
Y1 Relay —
24 V (ac) 2 A
Y2 Relay —
24 V (ac) 2 A
G1 Relay —
24 V (ac) 2 A
G2 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, 083
