Trane RAUC-IOM-15 - Page 60

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