OPERATION
EWC Controls Inc. 385 Highway 33 Englishtown, NJ 07726 800-446-3110 FAX 732-446-5362 E-Mail- [email protected]
6
Fan Operation
If your system does not have a G terminal connection, skip to
the next section (cooling).
1. Turn on power to system.
2. Press key to ON mode. The blower should begin to
operate.
3. Move key into AUTO mode. The blower should stop
immediately.
Cooling System
1. Press key to select Cool mode.
2. Press key yo adjust thermostat setting below room
temperature. The blower should come on immediately on high
speed, followed by cold air circulation. The display should
show “STG1”.
3. Adjust temperature setting to 4°F (2°C) below room
temperature. The second stage cooling should begin to
operate and the display should show “STG1+2”.
4. Press key to adjust the temperature setting above
room temperature. The cooling system should stop operating.
Heating System (Gas)
1. Press the key until HEAT shows on the LCD display.
2. Press key to adjust thermostat setting to 2°F (1°C)
above room temperature. The first stage heating system
should begin to operate. The display should show “STG1”.
3. Adjust temperature setting to 4°F (2°C) above room
temperature. If your system configuration is set to STD-2,
the second stage heat system should begin to operate and
the display should show “STG1+2”.
4. Press key to adjust the thermostat below room
temperature. The heating system should stop operating.
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FAN
FAN
MODE
Heating System - (Heatpump Application Only)
1. Press the key until HEAT shows on the LCD
display.
2. Press key to adjust thermostat setting to 2°F
(1°C) above room temperature. The heating system
should begin to operate. The display should show
“STG1”. However, if the set point temperature display
begins to flashing, the compressor lockout feature is
operating (see configuration menu, item 10).
3. Adjust temperature setting to 4°F (2°C) above room
temperature. If your system configuration is set to
STD-2, HP2 or HP1, the auxiliary heat system should
begin to operate and the display should show
“STG1+2”.
4. Press key to adjust the thermostat below room
temperature. The heating system should stop
operating.
Emergency System (Heatpump Application Only)
EMER Mode bypasses the Heat Pump to use the heat
source wired to terminal E/W1 on the Receiver. EMER is
typically used when compressor operation is not desired,
or you prefer back-up heat only.
1. Press the key to select EMER. “EMER” will show
on the display.
2. Press key to adjust thermostat setting above
room temperature. The Aux. heating system will begin
to operate. The display will show “STG1” “EMER” to
indicate that auxiliary heat is operating.
3. Adjust temperature setting to 4°F (2°C) above room
temperature. The auxiliary system should begin to
operate and the display should show “STG1+2”.
4. Press the key to adjust the thermostat below
room temperature. The auxiliary heating system should
stop operating.
MODE
MODE
MODE
