McQuay TSC User Manual

OM Centrif Micro ΙΙ-5 51
Additional fields can be edited by pressing the ENTER key until the desired field is selected.
When the last field is selected, pressing the ENTER key switches the display out of “edit” mode
and returns the arrow keys to “scroll” mode.
Unit Controller Setpoints
Table 23, Unit Setpoints
Description Default Range PW
Unit
Unit Enable OFF OFF, ON O
WCC Off Off OFF, ON O
Unit Mode COOL COOL, ICE, HEAT, TEST
O
T
Available Modes COOL COOL, COOL/ICE, ICE, COOL/HEAT, HEAT T
Mode Source Local LOCAL, BAS, SWITCH O
Display Units
°F/psi °F/psi
O
Language ENGLISH ENGLISH, (TBD) O
BAS Protocol NONE
LOCAL, REMOTE, BACnet MSTP, BACnet
ETHERNET, BACnet TCP/IP, MODBUS
M
Hot Gas Mode OFF OFF, %RLA, LWT M
Hot Gas Control Point 30% 20 to 70% M
Leaving Water
Cool LWT
44. 0°F 35.0 to 80.0 °F
O
Ice LWT
25. 0°F 15.0 to 35.0 °F
O
Heat LWT
135. 0°F 100.0 to 150.0 °F
O
Startup Delta T
3.0°F 0.0 to 10.0 °F
O
Shutdown Delta T
3.0°F 0.0 to 3.0 °F
O
LWT Reset Type NONE NONE, RETURN, 4-20mA M
Max Reset Delta T
0.0°F 0.0 to 20.0 °F
M
Start Reset Delta T
10. 0°F 0.0 to 20.0 °F
M
Electronic Expansion Valve
Ex Valve Gain 100 50 to 400 M
Offset (Slpoe) 271 100 to 999 M
Prs Ctrl DOut
10°F 0 to 99.9°F
M
Templifier
Source Water Reset
80 °F 50 to 100 °F
T
Timers
Evap Recirculate 30 sec 0.2 to 5 min M
Pumps
Evap Pump
Pump #1
Only
Pump #1 Only, Pump #2 Only, Auto Lead, #1
Primary, #2 Primary
M
Cond Pump
Pump #1
Only
Pump #1 Only, Pump #2 Only, Auto Lead, #1
Primary, #2 Primary
M
Cooling Tower
Tower Control None None, Temperature, Lift M
Tower Stages 2 1 to 4 M
Stage Up Time 2 min 1 to 60 min M
Stage Down Time 5 min 1 to 60 min M
Stage Differential (Temp)
3.0 °F 1.0 to 10.0 °F
M
Stage Differential (Lift) 6.0 psi 1.0 to 20.0 psi M
Stage #1 On (Temp)
70 °F 40 to 120 °F
M
Stage #2 On (Temp)
75 °F 40 to 120 °F
M
Stage #3 On (Temp)
80 °F 40 to 120 °F
M
Stage #4 On (Temp)
85 °F 40 to 120 °F
M
Stage #1 On (Lift) 35 psi 10 to 130 psi M
Stage #2 On (Lift) 45 psi 10 to 130 psi M
Stage #3 On (Lift) 55 psi 10 to 130 psi M
Stage #4 On (Lift) 65 psi 10 to 130 psi M
Cooling TowerValve / VFD
Valve/VFD Control None
None, Valve Setpoint, Valve Stage, VFD
Stage, Valve SP/VFD Stage
M
Valve Setpoint (Temp)
65 °F 40 to 120 °F
M
Valve Setpoint (Lift) 30 psi 10 to 130 psi M
Valve Deadband (Temp)
2.0 °F 0.1 to 10.0 °F (Note 1)
M
Valve Deadband (Lift) 4.0 psi 0.1 to 20.0 psi (Note 2) M
Note 1: Through Version C, minimum range value was 1.0°F.
Note 2: Through Version C, minimum range value was 1.0 psi.

McQuay TSC Specifications

General

Brand	McQuay
Model	TSC
Category	Controller
Language	English