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Technical Data:
Technical Data
®
tekmarNet
4 Thermostat 541: One Stage Heat
Control
Packaged weight
Dimensions
Approvals
Ambient conditions
Power supply
W1 Relay
Sensors:
– Included
– Optional
The installer must ensure that this control and its wiring are isolated and / or shielded from strong sources of electromag-
netic noise. Conversely, this Class B digital apparatus complies with Part 15 of the FCC Rules and meets all requirements
of the Canadian Interference-Causing Equipment Regulations. However, if this control does cause harmful interference to
radio or television reception, which is determined by turning the control off and on, the user is encouraged to try to correct
the interference by re-orientating or relocating the receiving antenna, relocating the receiver with respect to this control,
and / or connecting the control to a different circuit from that to which the receiver is connected.
Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada.
tekmar Control Systems Ltd., Canada
tekmar Control Systems, Inc., U.S.A.
Head Office: 5100 Silver Star Road
Vernon, B.C. Canada V1B 3K4
(250) 545-7749 Fax. (250) 545-0650
Web Site: www.tekmarcontrols.com
Product design, software and literature are Copyright © 2005 by:
tekmar Control Systems Ltd. and tekmar Control Systems, Inc.
Microprocessor PID control; This is not a safety (limit) control
0.46 lb. (210 g), Enclosure J, white PVC plastic
2-7/8" H x 2-7/8" W x 13/16" D (73 x 73 x 21 mm)
CSA C US, CSA/UL 61010-1, meets Class B: ICES and FCC Part 15
Indoor use only, 32 to 122°F (0 to 50°C).
RH 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
24 V (ac) ± 10% 60 Hz, 3.5 VA, NEC / CEC Class 2
24 V (ac) 2 A
NTC thermistor, 10 k @ 77°F (25°C ± 0.2°C) ß = 3892
None
tekmar type # 071, 070, 072, 073, 076, 077, 078, 079
8 of 8
All specifications are subject to change without notice.
Printed in Canada. W 541 - 06/05.
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