Carrier GRAVINER Mk 7 - Fault Finding; Fault Indications

March 2021 Page 84 of 143 59812-K007 Rev 17
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Figure 135 De-isolate Detector - Ok
4.2.2 Detector Isolations via the Control Unit
For a Control Unit with membrane individual detectors can also be isolated at the Control Unit.
To isolate a Detector at the Control Unit fitted with a Membrane, press the Detector number button for
2 seconds until the relevant Detector Fault / Isolate indicator is steady. (Refer Figure 136)
Figure 136 Control Unit Membrane
Repeat the above to de-isolate a Detector.