McQuay MicroTech III RAH User Manual

46 McQuay OM 920-1
Keypad/Display Menu Structure
ERec Wheel is an adjustable item which is used to turn on/off the energy recovery wheel
output.
ERec Whl Cmd is an adjustable item is an adjustable item which is used to set the energy
recovery wheel VFD speed.
ERBP Dmpr Cl is an adjustable item which is used to close the energy recovery bypass
damper.
ERBP Dmpr OP is an adjustable item which is used to open the energy recovery bypass
damper.
Cond Wtr Pump is an adjustable item which is used to turn on/off the condenser water pump
output.
Alm Output is an adjustable item which is used to turn on/off the alarm output.
FanOp is an adjustable item which is used to turn on/off the FanOp output.
Note – When Manual Control is set to Yes, the Control Mode is set to Off so that the unit will not
restart automatically. When Manual Control is set to No all digital outputs in the Manual
Control menu are set to Off and all the analog outputs are set to 0.0% so that all outputs
are in the Off or minimum position when Manual Control is set to Yes.
Active Alarm Menu
All active alarms as well as the date and time that they were detected are displayed on the
Active Alarm menu. These alarms are displayed in order of group priority: Faults first,
Problems second, and Warnings last. Within each group, alarms are displayed in the order
that they were detected.
Alarm Log Menu
The last fifty alarms detected as well as the date and times that they were detected are
displayed on the Alarm Log menu. These alarms are displayed in the order that they were
detected. The alarm that was detected most recently is displayed first. Multiple occurrences of
the same alarm may appear.
Note – Once an alarm is cleared there will be two entries in the Alarm Log. A (+) sign will be
shown next to the entry added when the alarm became active and a (-) sign will be shown
next to the entry added when the alarm has been cleared.
Table 40: Active Alarm Menu
Menu Display Name Item Display Name Default Setting Range Password Level
Active Alarms Active Alm Count= - 0-10 None
ClrAlms= No No None
ClrFlts
ClrPrblms
ClrWrngs
ClrAllAlms
+Alarm 1:Alarm Type - - None
+Alarm 2:Alarm Type - - None
Table 41: Alarm Log Menu
Menu Display Name Item Display Name Default Setting Range Password Level
Alarm Log Log Alm Count= - 0-50 None
ClrLog= No No None
Yes
+Alarm 1:Alarm Type - - None
+Alarm 2:Alarm Type - - None

McQuay MicroTech III RAH Specifications

General

Brand	McQuay
Model	MicroTech III RAH
Category	Controller
Language	English