Trane RAUC-IOM-15 Installation & Maintenance Instructions Manual page 60

Table 5-9
Recommended Operating Setpoints
Control Control Setting
Discharge Air Supply Air
Controller Setpoint
(VAV units only)
Reset
Setpoint
Control Band
Chiller Control Leaving Fluid
(EVP units only) Setpoint
Design D T
Setpoint
Number of Stages
Setpoint
Freeze Protection
Setpoint
Load Limit
Setpoint
Low Pressure
Lockout
"No Controls" Units - See System Engineer-
Table 5-10
Sample Maintenance Log
Current
Ambient Compr. Suct.
Temp. Oil Press. Press. Press.
Date (F) Level (Psig) (Psig) (Psig)
- ok
- low
- ok
- low
- ok
- low
- ok
- low
- ok
- low
- ok
- low
- ok
- low
- ok
- low
- ok
- low
- ok
- low
Note: Check and record the data requested above each month during the cooling season with the unit running.
Recommended Setting
Set at design discharge (supply)
air temperature;
minimum setting = 55
Set at maximum amount of allowable
reset for supply air setpoint.
o
Set at 6 F Minimum
Setpoint
Set at design leaving chilled water
temperature.
Set at design full load water
D T through evaporator.
Factory setting - 6 steps
35° F (Contact Trane for alternate
settings)
Cut-In = 64° F
Cut-Out = 56° F
Cut-In = 60 PSIG
Cut-Out = 45 PSIG
Refrigerant Circuit #1
Disch. Liquid Super- Sub- Compr. Suct.
heat cool.
(F)
60
System Start-Up (Continued)
o
F
Refrigerant Circuit #2
Disch. Liquid Super-
Oil Press. Press. Press.
(F) Level (Psig) (Psig) (Psig)
- ok
- low
- ok
- low
- ok
- low
- ok
- low
- ok
- low
- ok
- low
- ok
- low
- ok
- low
- ok
- low
- ok
- low
Sub-
heat cool.
(F) (F)