Page 10 of 16 / IOM 1178-1
Installer/Configuration Menu
26.
Select Remote Sensor as Indoor or Outdoor
– If 30
is enabled, select the remote to be Remote In (Indoor,
P/N 910129095) or Outdoor Remote (Outdoor, P/N
910129096). Default is Remote In.
27.
Select Local Sensor Disable
– If 31 is selected Indoor,
the thermostat Local Sensor can be disabled so the
displayed temperature will be from the Remote Sensor.
Default is On LS. To disable the Local Sensor, change
selection to OFF LS.
28.
Select Auxiliary Off (AO)
– Applicable with HP1 or
HP2 selected with outdoor sensor. Select the temperature
that will inhibit the auxiliary heating stage. As long as the
outdoor temperature is above the selected temperature,
the auxiliary heat will not turn on. The default setting is
80°(disabled), but can be set in the range of -5 ° to 79°.
Thermostat will not allow a setting at or below the (dF)
dual fuel setting.
If the indoor temperature drops below 45°F and the “call
for service icon” is flashing, the thermostat will turn on
all of its heat outputs, W1 through W4, in an attempt to
warm up the space. The WSHP will respond by providing
what heating capacity is available under current operating
conditions. If the low space temperature condition persists
a qualified service technician must be called to analyze
and repair the problem.
There are two ways the thermostat will return to normal
heat pump operation:
• Press any key to retry the pump and erase the “call for
service icon.
• When setpoint is achieved on Auxiliary, system will
return to heat pump operation on next call for heat.
29.
Dehumidification/Economizer (dM)
– Selecting dM
configures the thermostat for dehumidification control.
Selecting EC configures the thermostat for waterside
economizer control.
30.
Humidity Display (Hd)
– Selecting HD On enables
the display to alternately show the current time and the
humidity.
If HD is selected OFF, the display will not show the
humidity.
31.
Adjustable Humidity Display
– The display will show
the ambient humidity and 00 (default). The setting can be
changed from -18 and LO to 20 and HI. The displayed
humidity will change as the offset is changed. In Run
mode, the displayed humidity will be the ambient
humidity adjusted by the setting selected.
32 & 33.
Change UV Lamp
– This feature allows the
thermostat to display the words
“Change UV
Lamp”
(Call for Service of UV bulb) after a set
time of UV bulb operation.
This is a reminder to maintain your UV system at
optimum level of operation. When enabled, the
factory set interval for
“Change UV Lamp”
to be
displayed is 350 days of UV bulb operation and can
be adjusted in 25 day increments. This should be
adjusted with respect to the bulb’s recommended
maintenance schedule.
When
“Change UV Lamp”
is displayed, you can
clear it by pressing Clean Display.
34 & 35.
Select Change Filter Run Time
– This feature
allows thermostat to display
“Change Filter”
after a set time fan operation. This is a reminder
to change or clean your air filter. This time can be
set from 25 to 1975 hours in 25 hour increments.
A selection of OFF will cancel this feature. When
“Change Filter”
is displayed, you can clear it by
pressing Clean Display. In a typical application,
200 hours of run time is approximately 30 days.
Operating Your Thermostat
Check Thermostat Operation
NOTICE
To prevent static discharge problems, touch side of thermostat-
to release static build-up before touching any keys.
If at any time during testing your system does not operate
properly, contact a qualified service person.
Fan Operation
If your system does not have a G terminal connection, skip to
Heating System.
1. Turn on power to system.
2. Press FAN key to ON position. The fan should begin to
operate.
3. Press FAN key to AUTO position. The fan should stop
immediately.
Heating
1.
Press SYSTEM key to select HEAT. If the auxiliary heat
-
ing system has a standing pilot, be sure to light it.
Press to adjust thermostat setting to 1° above the room tem-
perature. The heat pump system should begin to operate. The
display should show “System On”. However, if the system
configuration is set to HP1 or HP2 and setpoint temperature
display is flashing, the 5 minute compressor lockout feature
is operating (see
page 8,
#11. Select Temperature Display
Adjustment 5 LO to 5 HI).
2. Adjust temperature setting to 3° above room temperature.
If your system configuration is set at HP1 or HP2, the
auxiliary heat system should begin to operate and the
display will show “System On +2”.
3. Press to adjust the thermostat below room temperature.
The heating system should stop operating.
Note:
If Auto Schedule is displayed instead of Humidity,
Auto Schedule must be turned off in the Configuration
Menu.
