Critical Control Parameters And Dry Bulb Changeover Map - Trane IntelliPak 1 with Symbio 800 Installation, Operation And Maintenance Manual

Trane Start-up Checklist
Table 63. Startup checklist for 90–130 ton air-cooled units (continued)
Operating log completed
5
All panels & doors secured
6
Complete all required documentation
7

Critical Control Parameters and Dry Bulb Changeover Map

Table 64. Critical control parameters
Description
Supply Air Temperature Control Setpoint
Supply Air Temperature Deadband
Supply Air Pressure Setpoint
Supply Air Pressure Deadband
Building Static Pressure Setpoint
Building Static Pressure Deadband
Standby Freeze Avoidance
Relief Enable Setpoint
Economizer Minimum Position Setpoint
Fixed Dry Bulb Economizer C/O Type a (Moist)*
Fixed Dry Bulb Economizer C/O Type b (Dry)*
Fixed Dry Bulb Economizer C/O Type c (Marine)*
Fixed Reference (Enthalpy Changeover)
Differential Comparative (Enthalpy Changeover)
Notes:
1. See map in next figure for dry bulb changeover.
Examples:
- Minneapolis, Minnesota is in "Region 6" and resides in "Moist" subregion, thus designation is 6b. Economizer changeover setting should be 75°F.
- Charleston, South Carolina is in "Region 3" and resides in "Moist" subregion, thus the designation is 3c. Economizer changeover setting should be 65°F.
2. Go to SETUP menu and input setting for parameters listed in the table above.
3. Use the Dry bulb changeover map to determine region of country based on unit site location.
4. Fixed speed compressor units 8°F deadband.
5. eFlex™ compressor units 4°F deadband.
130
Suggested
Parameter Region 1 Region 2 Region 3 Region 4 Region 5 Region 6 Region 7
55°F
8°F
1.8" w.c.
0.1" w.c.
0.03" w.c.
0.04" w.c.
20%
10%
10%
TOA > 65° TOA > 65°
F
TOA > 75°F
HOA > 28 Btu
HOA > HRA
Economizer Settings
TOA > 65° TOA > 65° TOA > 70°
F F F
TOA > 75° TOA > 75° TOA > 75°
F F
Completed?
Yes
Yes
Yes
TOA > 70° TOA > 70°
F F F
F
RT-SVX072D-EN
No
No
No