McQuay FCVS

McQuay IM 980-1 31
Model Number Description
Table 3: Model Number Description: Fields 43-59
42
Network Communication Card
• Y = none
43 Changeover Type
• Y = none
•A = auto
• M = manual
• U = user selectable
44 Programmability
• Y = none
45 Setpoint Adjustment
• YY = none
• UL = unit-mounted, +/- 3 degrees
• UF = unit-mounted, full range
• RL = remote-mounted, +/- 3 degrees
• RF = remote-mounted, full range
46 Fan Speed Control
• YYY = None
• MOU = manual, on/off, unit-mounted
• MOR = manual, on/off, remote-mounted
• MAU = manual, low/med/high, unit-mounted
• MAR = manual, low/med/high, remote-mounted
• MPU = manual, off/proportional, unit-mounted
• MPR = manual, off/proportional, remote-mounted
• SOU = SCR, on/off, unit-mounted
• SOR = SCR, on/off, remote-mounted
• SAU = SCR, low/med/high, unit-mounted
• SAR = SCR, low/med/high, remote-mounted
• SPU = SCR, off/proportional, unit-mounted
• SPR = SCR, off/proportional, remote-mounted
47 Timed Override
• Y = none
48 Valve - Primary Coil
• See Table 4
49 Valve - Preheat Coil
• See Table 4
50 Valve - Reheat Coil
• See Table 4
Table 4: Model Number Detail: Coil Valve Fields 49, 50, 51
51
Future Control Function
• Y = None
52 Low Temperature Protection
• Y = None
• X = special
53 Condensate Overflow Protection
• C = condensate overflow protection
• Y = None
• X = special
54 Discharge Air Thermistor
• Y = None
• X = special
55 Smoke Input Sensor
• Y = None
• X = special
56 Occ / Vacant Control Input
• Y = None
• X = special
Field
42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
Code
YYYRLMORY3MOUYYYY3MOUYYCYYY
3O M U
Coil Valve Type
Y = none
2 = two-way
3 = three way
Unpowered Position
Y = none
C = closed
O = open
Control Type
Y = none
E = EOC
M = modulating
Actuator Input
Y = None
L = Low Voltage (24 Volt)
U = Unit Voltage
P = 0-10V Proportional
F = 3 Wire Floating Point