- Wiring Brochure W 538 tekmarNet 4 Thermostat 538 12/08 ® Information Application Layout Wiring Data Brochure Brochure Brochure Brochure Brochure Record Wiring and Control settings Choose controls Design your Rough-in Record settings & installation of and sequence of to match mechanical wiring wiring details for...
Defi nitions The following defined terms and symbols are used throughout this manual to bring attention to the presence of hazards of various risk levels, or to important information concerning the life of the product. – Caution: Refer to accompanying documents. –...
Remove the Wiring Cover To remove the wiring cover: Push tab Remove cover • Place a small slot screwdriver or similar tool into the slot located on the top of the thermostat. • While pushing against the plastic tab, pull the top of the front cover so that it pivots around the bottom edge of the thermostat’s base.
Wiring the Thermostat: Power (24 V (ac)) Terminals 2, 3 Terminals R and C provide 24 V (ac) power. If a Zone Manager is used: • Connect C on the thermostat to C on the proper zone of the Zone Manager. •...
Troubleshooting the Wiring General The following tests are to be performed using standard testing practices and procedures and should only be carried out by properly trained and experienced persons. A good quality electrical test meter, capable of reading from at least 0-300 V (ac), 0-2,000,000 Ohms, and testing for continuity is essential to properly test the wiring and sensors.
None – Optional tekmar type # 071, 070, 072, 073, 076, 077, 078, 079, 083, 084 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.