TAM827
Home Screen
SYSTEM STATUS
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UNIT DATA ↕
↔
UNIT SERIAL # ↕
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UNIT CONTROLS ↕
↔
AFC SW BUILD ↕
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EVC SW BUILD ↕
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AFC SW VERSION
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EVC SW VERSION
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UNIT MODEL # ↕
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ALERT 1 <Cntrl>
<Alert short text>
ALERT 2 <Cntrl>
<Alert short text>
ALERT 3 <Cntrl>
<Alert short text>
ALERT 4 <Cntrl>
<Alert short text>
Auto scroll
Auto scroll
EHC(HHC) SW BUILD ↕
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EHC (HHC) SW VERSION
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CDA SW BUILD ↕
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CDA SW VERSION
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Display Assembly Home Menu
• UNIT CONTROLS
o AFC = Airflow Control
o EVC = Expansion Valve Control
o EHC = Electric Heat Control
o HHC = Hydronic Heat Control
o DA = Display Assembly
<Cntrl> = Control declaring fault
<Alert Short Text> = Short Text for Alarm (located in
Alert Code Addendum)
Note 1: System Status will rotate automatically with active
alerts. Only alerts with a notification level of User or Critical
are shown (same as the thermostat); up to four (4) alerts will
be shown, most recent first.
Note 2: Alerts shown will be only AFC faults for initial re-
lease. Specific control alerts are in Alert menu section.
• SYSTEM STATUS Messages
o STANDBY = Idle, no demand is present
o FAN = Continuous fan call
o ON CLG# = Compressor cooling, 1st or 2nd stage
o ON HP# = Heatpump heating, 1st or 2nd stage
o HP# + EH nnn = Heatpump heating + electric heating
o ON HPD# = Heatpump heating in defrost, 1st or 2nd
stage
o HPD# + EH nnn = Heatpump heating in defrost +
electric heating
o EH oooooo = Electric heat, elements detected but
not active
o EH nnnnoo = Electric heat, elements active
o EH nonnoo = Electric heat, element faulty
o HH = Hydronic heating
o ON HP# + HH = Heatpump heating + hydronic heating
o ON HPD# + HH = Heatpump heating in defrost +
hydronic heating
• When EHC is detected, boxes represent:
o = element configured but not energized
n = element configured and energized
o = element faulty, may or may not be energized
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