Universal Microelectronic T8511G Thermostat User Manual


 
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7
MICROELECTRONIC HEAT PUMP THERMOSTAT
Em HeatOffCool Auto Only
Heat Cool
OnAuto
System Fan
Room
Outdoor
Em Ht Temporary Setting
Wait
%Humid
Aux Ht
Remote
Repl
Batt
M4844
INSTALLER SYSTEM-TEST
Use the Installer System-Test to check the thermostat
configurations and operation. Refer to Table 3 for a list of
the available system-tests.
To start the system-test:
CAUTION
Equipment Damage Hazard.
Minimum compressor off-time is bypassed
during the Installer System Test.
Be aware that equipment damage can occur if the
compressor is cycled too quickly.
Press and hold the increase and decrease keys, at
the same time, until two zeros appear. All segments of the
LCD are displayed before the zeros appear.
NOTE: Press and hold the increase and decrease
keys for three seconds to exit the system-test.
The system-test times out after five minutes
without any key presses.
Table 3. Installer System-Tests.
Refer to Table 4 for descriptions of the specific tests.
Table 4. Installer System-Test Options.
a
Available on select models.
(continued)
M6792
TEST NUMBER
Test
Number System-Test Description
10-19 Heating equipment can be turned on and off
20-29 Emergency heat (select models) equipment
can be turned on and off
30-39 Cooling equipment can be turned on and off
40-49 Fan equipment can be turned on and off
60-69 System key or system switch position test
70-79 Thermostat information displayed including
date code and software versions.
Key To
Press
Test
Number Description
Heating Equipment System-Test
i 10 Enter heating equipment system-test.
11 Stage-one heat comes on. The system fan is also energized.
12 Stage-two heat comes on. Stage-one heat and system fan remain on.
11 Stage-two heat turns off.
10 Stage-one heat and system fan turn off.
Emergency Heating Equipment System-Test
a
i 20 Change from heating to emergency heating equipment system-test.
21 Emergency heat comes on. System fan also comes on.
20 Emergency heat turns off.
Cooling Equipment System-Test
i 30 Change from heating or emergency heating to cooling equipment system-test.
31 Stage-one cooling and system fan come on.
30 Stage-one cool and system fan turn off.