tekmarNet®4 Thermostat 546

546 Front

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

Quick
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Literature

Control

Packaged weight

Dimensions

Approvals

Ambient Conditions

Power Supply

W1 Relay

W2 Relay

Y1 Relay

Y2 Relay

G1 Relay

G2 Relay

Sensors

Included

Optional