McQuay MicroTech II Installation And Maintenance

IM710 21
Table 7: Analog Inputs for Main Control Board (MCB) - Discharge Air Controller (DAC)
Analog Input Input Description Input Jumper
Input
Switch
MCB-AI1 Zone (Space) Air Temperature (Optional) 1-RTD T (OFF)
MCB-AI2 External Discharge Air Temperature Reset NJ-VDC (No Jumper) V (ON)
MCB-AI3 Discharge Air Temperature 1-RTD T (OFF)
MCB-AI4 Return Air Temperature 1-RTD T (OFF)
MCB-AI5 Outdoor Air Temperature 1-RTD T (OFF)
MCB-AI6 Mixed Air Temperature 1-RTD T (OFF)
MCB-AI7 Entering Water Temperature 1-RTD T (OFF)
MCB-AI8 Leaving Water Temperature 1-RTD T (OFF)
MCB-AI9 Economizer Position 1-RTD T (OFF)
MCB-AI10 Heating Valve Position 1-RTD T (OFF)
MCB-AI11 Cooling Valve Position 1-RTD T (OFF)
MCB-AI11 Refrigerant Pressure #1 NJ-VDC (No Jumper) V (ON)
MCB-AI12 Refrigerant Pressure #2 NJ-VDC (No Jumper) V (ON)
MCB-AI13
Duct Static Pressure #1
a
a. This input is applicable to VAV units only (discharge fan VFD or inlet vanes).
b. This input is defined as a second duct static pressure input on VAV units.
NJ-VDC (No Jumper) V (ON)
MCB-AI14
Duct Static Pressure #2
b
NJ-VDC (No Jumper) V (ON)
MCB-AI15
a
Discharge Fan VFD Speed NJ-VDC (No Jumper) V (ON)
Discharge Fan Inlet Vane Position NJ-VDC (No Jumper) V (ON)
MCB-AI16 Spare 1-RTD T (OFF)

McQuay MicroTech II Specifications

General

Brand	McQuay
Model	MicroTech II
Category	Controller
Language	English