7
Option A
Setting minimum heating temperature set point
This feature allows the building owner to determine the minimum heating temperature available to the user.
Option b
Setting maximum cooling temperature set point
This feature allows the building owner to determine the maximum cooling temperature available to the user.
Option C
Optimum start control, heating (OSC)
(not available if “Non-Prog” is selected on DIP switches 1 & 2)
This feature allows the installer to enable the optimum start control for the heating event. If enabled it allows the heating
to be turned on earlier than the programmed time in order to ensure that recovery of room temperature is achieved by the
programmed time. The setting is dependent upon the capacity of the system and the building heat gain/loss characteris-
tics and can be determined from the following table. If Option 4 (occupancy and smart-fan programming) has been
enabled, the optimum start control will operate at each occupied event change that requires an increase in temperature.
If Option 4 has been left in the disabled mode the optimum start controller will only function prior to the first event (Event
1) of the day
Estimate of system
temperature rise capability
Optimum start
Maximum duration
in 30 minutes
control settings
of early on period
N/A
0
Optimizer disabled
16°F
1
15 mins
8°F
2
30 mins
5-6°F
3
45 mins
4-5°F
4
60 mins
3-4°F
5
75 mins
2-3°F
6
90 mins
2°F
7
105 mins
1-2°F
8
120 mins
Option d
Optimum start control, cooling (OSC)
(not available if “Non-Prog” is selected on DIP switches 1 & 2)
This feature allows the installer to enable the optimum start control for the cooling event. If enabled it allows the cooling
to be turned on earlier than the programmed time in order to ensure that recovery of room temperature is achieved by the
programmed time. The setting is dependent upon the capacity of the system and the building heat gain/loss characteris-
tics and can be determined from the following table. If Option 4 (occupancy and smart-fan programming) has been
enabled, the optimum start control will operate at each occupied event change that requires a decrease in temperature. If
Option 4 has been left in the disabled mode the optimum start controller will only function prior to the first event (Event 1)
of the day.
Estimate of system
temperature reduction
Optimum start
Maximum duration
capability in 30 minutes
control settings
of early on period
N/A
0
Optimizer disabled
16°F
1
15 mins
8°F
2
30 mins
5-6°F
3
45 mins
4-5°F
4
60 mins
3-4°F
5
75 mins
2-3°F
6
90 mins
2°F
7
105 mins
1-2°F
8
120 mins
Option E
Setting thermostat calibaration
This feature allows the installer to calibrate the temperature shown in the LCD display by ± 3°F.
Summary of Contents for HP8211-1RJ
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