Manual 2100-749
Page
16 of 68
To view or adjust the cooling differentials:
1. Press MENU key to go to the Main Menu screen.
2. Press UP or DOWN keys and ENTER key to enter
ENGINEER password 9254.
3. Press UP or DOWN keys to scroll to
Adv. Sys.
Config
; press ENTER key.
4. Press UP or DOWN keys to scroll to
Cool Staging
B3
(see Figure 20).
5. Press ENTER key to advance the cursor to the
desired value.
6. Press UP or DOWN keys to change values.
FIGURE 18
Cooling (without Economizer)
Cooling Deadband
Off
Cooling
75.0°F 75.5°F 76.0°F 76.5°F 77.0°F 77.5°F 78.0°F 78.5°F 79.0°F 79.5°F 80.0°F 80.5°F 81.0°F
Compressor 1
Compressor 2
Compressor 1 Full Capacity
FIGURE 20
Adjusting Cooling Differentials
Heating
The unit will use up to 2 stages of electric heat to heat
the space (see Figure 19). Electric heat is available as
an option and the heating capacity will determine the
number of stages (see
Electric Heat Option
on page
37).
To view or adjust the heating differentials:
1. Press MENU key to go to the Main Menu screen.
2. Press UP or DOWN keys and ENTER key to enter
ENGINEER password 9254.
3. Press UP or DOWN keys to scroll to
Adv. Sys.
Config
; press ENTER key.
4. Press UP or DOWN keys to scroll to
Heat Staging
B4
(see Figure 21).
5. Press ENTER key to advance the cursor to the
desired value.
6. Press UP or DOWN keys to change values.
FIGURE 19
Heating
Heating Deadband
Heating
Off
58.0°F
58.5°F
59.0°F
59.5°F
60.0°F
60.5°F
61.0°F
61.5°F
62.0°F
Electric Heater 2
Electric Heater 1
