Installation Guide
10
69-2668—03

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1es
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MCR31520
Onceyouenterinstallersetup,presstheGo Back button repeatedly until “Test” 1 appears.
Test number System status
Press st to
change status
Press Next to select next test. Press DONE to exit testing.
Shaded areas below apply only to TH7220.
System test System status
CAUTION: EQUIPMENT DAMAGE HAZ ARD. Compressor protection is bypassed
duringtesting.Topreventequipmentdamage,avoidcyclingthecompressorquickly.

Installer system test

1Cooling system 0 Compressorandfanturnoff
1 Compressorandfanturnon
2 Second stage compressor turns on
2Fan system 0 Fanturnsoff
1 Fan turns on
3Heating system 0 Heatandfanturnoff
1 Heatturnson(fanonifFunction0170issetforheatpump,
orifFunction0180issetto“1”)** See page 6
2 Second stage heat turns on
4Emergency
heating system
0 Heatandfanturnoff
1 Heatandfanturnon
2 Second stage heat turns on (Auxiliary heat)]
20
0120
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MCR31511