White Rodgers 90 Series User Manual download pdf (Page 7)

sensor is not functioning, when you exit the

menu, CHECK STAT SYSTEM will be

displayed. To correct this, check for proper

remote sensor installation and wiring. If

necessary, return to the menu and be sure that

the remote sensor items are set correctly.

The temperature at each remote sensor can

be displayed by pressing the light button

twice within one second with the thermostat

in program run or hold mode. Temperatures

at the outdoor and indoor remote sensors will

be displayed with subsequent presses of the

light button in the following order (if

connected): outdoor sensor, sensor L, A, b, C.

(Installer table step 17). If you wish to sense

indoor temperature using ONLY the remote

sensor(s), use this menu item to disable the

temperature sensor in the thermostat

(designated as the L sensor).

When operating with remote sensor(s), the

thermostat will calculate an average of the

sensed temperatures in all enabled sensor

locations (A, b, C and/or L), then display the

average temperature as the room tempera-

ture. During programming, you can also

assign each enabled sensor different

priorities during different program periods.

This allows the system to maintain a

comfortable environment by giving higher

priority to occupied locations. At the same

time, efficient system operation is enhanced

by giving lower priority to unoccupied

locations. For detailed instructions on this

feature, see the Operating Instructions.

After using the Installer menu to properly

configure the thermostat for your system,

press PROGRAM

RUN

OUTDOOR TEMPERATURE

SENSE.

This thermostat can also display outdoor

temperature, if you install an outdoor remote

sensor with an outdoor temperature sensor

probe (F145-1378). Refer to the remote

sensor installation instructions for proper

installation and wiring. Refer to the Operat-

ing Instructions to enable this feature and

display outdoor temperature on the thermo-

stat.

OPTIONAL ACTIVATE RUN PRG

BY TELEPHONE

With the optional X-10 Telephone Responder

(Model TR551, Radio Shack catalog RSU#

10037778) and Universal Low Voltage

Module (UM506, Radio Shack catalog RSU#

10037752) installed, you can make a

telephone call to run your program if the

thermostat has been set to Hold or Vacation

Hold. Figure 3 shows typical wiring

connections for installing the X-10 equip-

ment. The switch on the Universal Low

Voltage module must be set to the “Momen-

tary” position.

This option must be enabled on the User

menu (see Operating Instructions).

CHECK THERMOSTAT OPERATION

CAUTION

FAN OPERATION

If your system does not have a G terminal

connection, skip to “Heating System”

section.

1. Turn power on to the system.

2. Press PROGRAM

RUN

3. Press

FAN

until FAN ON is displayed.

The fan should begin to operate.

4. Press

FAN

until FAN AUTO is

displayed. The fan should stop operating.

HEATING SYSTEM

1. Press PROGRAM

RUN

2. Press

SYSTEM

until HEAT is displayed. If

the heating system has a standing pilot,

ensure that it is lit.

3. Press

to adjust thermostat setting

above room temperature. The heating system

should begin to operate.

4. Press

to adjust temperature below

room temperature. The heating system

should stop operating.

COOLING SYSTEM

To prevent compressor and/or property

damage, if the outdoor temperature is

below 50°F (10°C), DO NOT operate the

cooling system.

1. Press PROGRAM

RUN

2. Press

SYSTEM

until COOL is displayed.

3. Press

to adjust thermostat setting

below room temperature. The fan should

come on (after the fan-on delay time, if any),

followed by cold air circulation.

4. Press

to adjust temperature setting

above room temperature. The cooling system

should stop operating, and the fan should

stop running (after the fan-off delay time, if

any).

MULTI-STAGE/HEAT PUMP

AUXILIARY OPERATION TEST

Follow these steps to energize all stages of

heat or cool to permit system checks during

installation.

HEAT: Press

to raise temperature

setting to 99°F, then hold for five seconds.

The second and third stage heat relays will

energize immediately for test purposes. The

LED indicator will glow green for first stage

and yellow for second stage.

COOL: Press

to lower temperature

setting to 45°F, then hold for five seconds.

The second stage cool relay will energize

immediately for test purposes. The LED

indicator will glow green for first stage and

yellow for second stage.

EMERGENCY (heat pump only): Press

SYSTEM

to select EMER mode. The LED

indicator will glow red for emergency mode.

A flashing light indicates a malfunction in

the system.

RPH

Thermostat terminals

X-10 Universal Low Voltage Module

X-10 Telephone Responder Module

To 115 VAC power source

To telephone line

Figure 3. Optional X-10 connection

1 2 3 4 5 6 7 8

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White Rodgers 90 Series User Manual Page 7

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