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11

Error Messages

Whenever a fault is detected in any of the sensors and / or room temperature units (RTUs), the indicator lights will flash in specific ways,
to indicate the location of the problem. For detailed Sensor and RTU testing instructions see Data Brochures D 070, D 074 and D 054.

RTU 1 short circuit

RTU 2 short circuit

RTU 3 short circuit

RTU 4 short circuit

Power

Heat Required

Occupied

Optimum Start / Stop

UnOccupied

Timer Active

Power

Heat Required

Occupied

Optimum Start / Stop

UnOccupied

Timer Active

Power

Heat Required

Occupied

Optimum Start / Stop

UnOccupied

Timer Active

Power

Heat Required

Occupied

Optimum Start / Stop

UnOccupied

Timer Active

RTU 1 Temperature sensor open

Power

Heat Required

Occupied

Optimum Start / Stop

UnOccupied

Timer Active

RTU 3 Temperature sensor open

Power

Heat Required

Occupied

Optimum Start / Stop

UnOccupied

Timer Active

RTU 4 Temperature sensor open

Power

Heat Required

Occupied

Optimum Start / Stop

UnOccupied

Timer Active

RTU 2 Temperature sensor open

Power

Heat Required

Occupied

Optimum Start / Stop

UnOccupied

Timer Active

Internal fault

Power

Heat Required

Occupied

Optimum Start / Stop

UnOccupied

Timer Active

Zo — in short circuit

Power

Heat Required

Occupied

Optimum Start / Stop

UnOccupied

Timer Active

Light on continually

Light flashing

Light off

Summary of Contents for Tekmar Zone Control 368

Page 1: ...8 70 F 21 C 40 4 100 38 UnOccupied 5 6 7 LR 58223 NR T L C R Occupied Optimum Start Stop UnOccupied Timer Active 24 hr Timer 0 12 hrs 24 6 18 Dial the desired duration of the UnOccupied period Press s...

Page 2: ...eat can be supplied to the room on the coldest day of the year without requiring that the room be cold Derivative D In order to speed up the control s response to quick changes in the heating load der...

Page 3: ...ulationsonindoortemperatureonly Iftherearelargevariationsinoutdoor temperature this method cannot provide the same level of accuracy as when both indoor and outdoor sensors are used Optimum Start Stop...

Page 4: ...relay is then turned on and its on time is increased as the load increases When the heating load decreases again the on time of the Hi stage relay is reduced until the Hi stage relay is turned off co...

Page 5: ...cupied mode the UnOccupied light is turned on and the UnOccupied dial is used to set the desired temperature within the UnOccupied zones Note If the RTU dial for an UnOccupied zone is set below the Un...

Page 6: ...ng hardware and conduit fittings Before removing the knockouts check the wiring diagram and select those sections of the chamber with common voltages Do not allow the wiring to cross between sections...

Page 7: ...RTU 3 and RTU 4 If the common block is used for a Two Stage heating zone connect the RTU or Indoor Sensor to terminals Com Sen RTU 4 8 and 10 Output Connections System Pump Connect the live L side of...

Page 8: ...plied by the manufacturer If a zone pump or valve is connected to the terminals Com 1 2 2 15 and 17 follow a similar procedure as described above for the zone 1 relay If a zone pump or valve is connec...

Page 9: ...ic motor zone valves or zone pumps are used the DIP switch must be set to Off Testing the Control Functions STEP SEVEN OPERATIONAL TEST OF CONTROL FUNCTIONS The Zone Control 368 has a test routine whi...

Page 10: ...g system is turned off during the final stages of the Occupied period Timer Active The timer is set to enter the UnOccupied mode every 24 hours at the time of day the Start button was pressed STEP EIG...

Page 11: ...m Start Stop UnOccupied Timer Active Power Heat Required Occupied Optimum Start Stop UnOccupied Timer Active RTU 1 Temperature sensor open Power Heat Required Occupied Optimum Start Stop UnOccupied Ti...

Page 12: ...cable environmental health or safety legislation No implied warranties shall extend beyond twenty four 24 months from the production date Some states or provinces do not allow limitations on how long...

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