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40 RTU Open
Point Name/Description
Default/Range
Optimal Start
D: – The earliest time, prior to occupancy, at which the Optimal Start function
may begin to adjust the effective setpoints to achieve the occupied setpoints by the time
scheduled occupancy begins. Enter 0 to disable Optimal Start.
R:
4 hr
0 to 4 hr
Occ Relative Humidity Setpoint
– The percentage of relative humidity in the space during
occupancy that will energize BO - 6 (Humidi-MiZer™).
D:
R:
60%rh
0 to Unoccupied
RH Control
Setpoint
Unocc Relative Humidity Setpoint
D: – The percentage of relative humidity in the space during
the unoccupied time period that starts the unit and energizes BO - 6 (Humidi-MiZer™).
R:
95%
30 to 100%
DCV Max Ctrl Setpoint
D: – The design difference between indoor and outdoor CO2 levels.
R:
650ppm
0 to 9999 ppm
Power Exhaust Setpoint
- The outside air damper position at which the controller energizes
the Power Exhaust relay.
Configuration
>
Service Configuration
>
Economizer Exists
must be
set to
Yes
, and
Configuration
>
Service Configuration
>
Continuous Occupied Exhaust
must
be set to
No
D:
.
R:
50% Open
20 to 90% Open
Service Configuration properties
i-Vu / Field Assistant:
Navigation:
BACview:
Properties
>
Equipment
>
Configuration
>
Service Configuration
HOME > CONFIG > SERVICE
Point Name/Description
Default/Range
Unit Type
Options:
– The type of equipment that the RTU Open is controlling.
Heat/Cool
– Standard rooftop air handling unit.
HP O/B Ctrl
– Heat Pump application, uses reversing valve output to control heating and
cooling.
HP Y1/W1 Ctrl
D:
– Carrier Heat Pump application only.
R:
Heat/Cool
Heat/Cool
HP O/B Ctrl
HP Y1/W1 Ctrl
Compressor Stages
– The number of mechanical cooling stages. D:
R:
One Stage
One Stage
Two Stages
Economizer Exists
– Set to
Yes
D: to enable economizer control for units equipped with an
economizer damper.
R:
No
No/Yes
Reversing Valve Output
– Set to
O = Reversing Valve
output on with cooling. Set to
B =
Reversing Valve
D:
output on with heating.
R:
O
O / B
Heat Type
– The type of heating that the unit has. D:
R:
Electric
Electric/Gas
Number Of Heat Stages
– The number of heat stages. D:
R:
2
1 /2 /0 (no heating)