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4.6
Installer Menu
To prevent changes that may affect system performance, this thermostat has an INSTALLER MENU and a USER MENU. The
INSTALLER MENU provides access to every option, while the USER MENU provides access to items that will not affect system
performance. To access the INSTALLER MENU press the Menu button for 8 seconds. The display will show item 30 in the table below.
Use Next and back to navigate through menu items. Press
INSTALLER MENU
(HOLD MENU 8 SECONDS)
CR
30
Heat Cycle Rate (how often the heat will turn on)
CR
35
Cool Cycle Rate (how often the cooling will turn on)
CL
Compressor Lockout
50
(protects the compressor from short cycling)
Maximum Heat Limit
65
(maximum set point for heat mode)
66
Minimum Cool Limit (minimum set point for cool mode)
Schedule Type
74
(set as either 7-Day, 5-1-1 Day or NonProgrammable)
E
Early Start (starts heating or cooling early so your programmed
76
temperature is reached by the programmed time)
79
Fahrenheit or Celsius
Temperature Display Adjustment (adjust the displayed "Room
81
Temperature")
dL
Continuous Display Light
83
(keep the backlight always on – "C" wire required)
86
Change Air Filter (set up a monthly reminder)
99
Keypad Lock (prevent unwanted changes to the thermostat)
5.
TEST MODES
Turn on power to the system.
5.1
Fan Operation
If your system does not have a G terminal connection, skip to
Heating System.
1.)
Press the fan button to select the On position. The blower
should begin to operate.
2.)
Press the fan button to select the Auto position. The blower
should stop immediately.
5.2
Heating System
1.)
Move System Switch to Heat position.
2.)
Press
to adjust thermostat setting to 1° above room
temperature. The system should begin to operate and the
thermostat will indicate Heat On.
3.)
Press
to adjust thermostat setting to 1° below room
temperature. The heating system should stop operating and
the thermostat should indicate Heat.
To prevent compressor and/or property damage, if the outdoor temperature is below 50°F,
Do not allow the compressor to run unless the compressor oil heaters have been operational
Pub. No.
11-HD20D1-1A-EN
DESCRIPTION
!
DO NOT operate the cooling system.
for 6 hours and the system has not been operational for at least 5 minutes.
12/2018
37-7778003
Part No.
American Standard 202 Programmable Thermostat
or
or to change a menu setting.
(FLASHING ICONS)
MEd
MEd
OFF
99
45
5
OFF
°F
0
OFF
OFF
OFF
5.3
Cooling System
1.)
Move System Switch to Cool position.
2.)
Press
to adjust thermostat setting 1° below room
temperature. The blower should come on immediately on
high speed, followed by cold air circulation The thermostat
will indicate Cool On. There can be up to a 5 minute delay,
(see INSTALLER MENU, item 50).
3.)
Press to adjust thermostat setting to 1° above room
temperature. The cooling system should stop operationg and
the thermostat will indicate Cool.
Note: If Starting Soon is shown on the display, the compressor lock-
out feature is operating. There will be up to a 5 minute delay before
the compressor turns on (see INSTALLER MENU, item 50).
CAUTION
DEFAULT
SETTINGS
(PRESS
SLO – slow
MEd – medium
FAS – fast
SLO – slow
MEd – medium
FAS – fast
On – 5 minute delay
OFF – no delay
47 to 99
45 to 97
7 – 7 Day
5 – 5-1-1 Day
0 – Non Programmable
On – start early
OFF – start at program period time
°F – Fahrenheit
°C – Celsius
-5 to +5
On – always on
OFF – momentarily
1 to 12 – reminder time (months)
OFF – no filter reminder
On – disable buttons
OFF – all buttons are active
OR
)
9
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