McQuay MicroTech III RAH User Manual

McQuay OM 920-1 45
Keypad/Display Menu Structure
OAD OpCl is an adjustable item which is used to turn the OA damper output on. This output
is available only on self contained units.
Comp 1 OnOff is an adjustable item that turns on compressor #1.
Comp 2 OnOff is an adjustable item that turns on compressor #2.
Comp 3 OnOff is an adjustable item that turns on compressor #3.
Comp 4 OnOff is an adjustable item that turns on compressor #4.
Comp 5 OnOff is an adjustable item that turns on compressor #5.
Comp 6 OnOff is an adjustable item that turns on compressor #6.
Comp 7 OnOff is an adjustable item that turns on compressor #7.
Comp 8 OnOff is an adjustable item that turns on compressor #8.
CFan Outpt 1 an adjustable item that turns on the condenser fan output #1.
CFan Outpt 2 an adjustable item that turns on the condenser fan output #2.
CFan Outpt 3 an adjustable item that turns on the condenser fan output #3.
Note – Turning on any one of the compressors will automatically turn on the first condenser fan on
the circuit. Other condenser fans must be manually turned on to control the head pressure
of the unit. Refrigerant gauges must be connected to the unit for observation of the head
pressure in the manual control mode of operation. Additional condenser fans must be
turned on to maintain the head pressure.
BP/WR Valve is an adjustable item used to manually drive the bypass/water regulating valve
open and closed.
CW Valve is an adjustable item used to manually drive the chilled water valve open and
closed.
ECond VFD is an adjustable item which is used to turn on/off the evaporative cooling
condenser fan VFD.
ECFan Spd Cmd is an adjustable item which is used to set the evaporative cooling condenser
fan VFD speed position.
EC Drn Valve is an adjustable item which is used to open/close the evaporative cooling drain
valve.
Sump Pump is an adjustable item which is used to turn on/off the evaporative cooling sump
pump.
GasHtgOnOff is an adjustable item used to manually turn the main gas valve output on/off.
Htg Valve is an adjustable item used to manually drive the modulating heating valve open and
closed.
F&BP Damper is an adjustable item used to manually drive the F&BP damper open and
closed.
Htg Stg 1 is an adjustable item that turns on the first stage of electric heat.
SCR Ena 1 is an adjustable item used to turn on and off the SCR output # 1.
Htg Stg 2 is an adjustable item that turns on the second stage of electric heat.
SCR Ena 2 is an adjustable item used to turn on and off the SCR output # 2.
Htg Stg 3 is an adjustable item that turns on the third stage of electric heat.
Htg Stg 4 is an adjustable item that turns on the fourth stage of electric heat.
Htg Stg 5 is an adjustable item that turns on the fifth stage of electric heat.
Htg Stg 6 is an adjustable item that turns on the sixth stage of electric heat.
Reheat Valve is an adjustable item used to manually drive the reheat valve open and closed.
Reheat Stage is an adjustable item that turns on the staged reheat output.

McQuay MicroTech III RAH Specifications

General

Brand	McQuay
Model	MicroTech III RAH
Category	Controller
Language	English