Greenheck Microprocessor Controller (475595 IOM) TAP v2.10 April 2014 (RVE, ERCH-01, ERT-01) - Manual (Page 29)

This is an example of an analog input configuration screen.
In the I/O configuration screens, the user can alter the physical location and type
of each point.
Similar configuration screens appear for the remaining I/O.
Analog Input
Outside Temperature
En: ON
Ch: B005
Normal NTC
Offset: 0.0°F
Value: 70.5°F
Alarm Time Delay
Outside Temperature
Input B0005:
73.5°F
Out of Range Alarm
Power Delay: 30s
Run Delay: 30s
Units: Temperature
Digital Input
Remote On/Off
Enable: ON Channel:
4
Action: CLOSED
Delay: 0s
Status: Closed
Analog Output Config
Cool:
Enable: Yes
Channel: 3
Action: DIRECT
Minimum: 0.0vdc
Maximum: 10.0vdc
Relay Output
Defrost
Enable: Yes
Channel: 1
Status: OFF
The I/O Configuration menu allows adjustment of all controller inputs and outputs.
This menu is similar to the Probe Adjustment menu, except that it additionally allows
adjustment of the factory default ‘normal’ states of the digital inputs and the direction
of the analog outputs. Additionally, it allows adjustment of the physical location
of each I/O. ADJUSTMENT OF I/O PHYSICAL LOCATION MUST ONLY BE DONE
UNDER FACTORY GUIDANCE! IMPROPER ADJUSTMENT MAY RESULT IN SYSTEM
DAMAGE!
H. Manufacturer
b. I/O Configuration
T
HIS SCREEN ALLOWS THE ADJUSTMENT OF THE ECONOMIZER FUNCTION
.
This screen only appears if an economizer mode was selected with the unit.
If the unit was selected with cooling and economizer, the user has the option to
allow mechanical cooling during the economizer mode.
If the unit is equipped with an energy wheel and bypass dampers, the bypass
dampers will open and the energy wheel will turn off once the modulating outdoor
air dampers have opened more than the offset.
Economizer Controller
Allow mechanical cooling
during econ?
Yes
Wheel/Bypass Damper:
Offset from minOA: 5%
Hysteresis: 3%
The Factory Settings menu allows adjustment of parameters that are critical for
proper unit operation. Adjustment of these parameters is only recommended with
factory guidance. To access the Factory Settings menu, enter the manufacturer
password (Default=1000).
H. Manufacturer
c. Factory Settings
T HIS SCREEN ALLOWS THE USER TO DISABLE THE EXHAUST FAN EXCEPT IN
ECONOMIZER MODE
This screen only appears if economizer mode is selected, the unit has
recirculation, and the exhaust fan is tracking the outdoor air dampers.
This functionality allows the exhaust fan to track the outdoor air damper only
during economizer mode.
Disable Exhaust Fan
Exhaust fan available
only during econ mode?
No
29 DDC Controller for Tempered Air Products
®