Trane Odyssey TTA0724 A/D B Series - Parts; TTA Cooling Component Selection

SS-APG008H-EN
25
Parts
Table 2. Component selection for TTA cooling microchannel units 6–25 tons
Unit TTA0724*A TTA0724*D TTA0904*A TTA0904*D TTA1204*D TTA1204*C TTA1504*D
Refrigerant ckts
1 2 1 2 2
1 (Manifold)
2
Minimum step (tons)
6 3 5 5 6.7 5 8.4
GAS LINE
Tube diameter (in.)
Horizontal (& drops)
1 1/8 3/4 1 1/8 7/8 1 1/8 1 3/8 1 1/8
Vertical (up)
1 1/8 3/4 1 1/8 7/8 1 1/8 1 1/8 1 1/8
Access port 3/ckt
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
LIQUID LINE
Tube diameter (in.)
1/2 3/8 1/2 3/8 1/2 1/2 1/2
Filter drier DHY01123 DHY01122 DHY01123 DHY01122 DHY01123 DHY01123 DHY01123
Sight glass 1/ckt
GLS00853 GLS00852 GLS00853 GLS00852 GLS00853 GLS00853 GLS00853
Access port 2/ckt
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
Additional oil charge
0 oz 0 oz 0 oz 0 oz 0 oz 1 oz/50 ft 0.4 oz/50 ft
Unit TTA1804*D TTA1804*C TTA2404*D TTA2404*C TTA3004*C
Refrigerant ckts
2
1 (Manifold)
2
1 (Manifold) 1 (Manifold)
Minimum step (tons)
7.5 8.6 13.4 10 12.5
GAS LINE
Tube diameter (in.)
Horizontal (& drops)
1 1/8 1 5/8 1 3/8 1 5/8 2 1/8
Vertical (up)
1 1/8 1 3/8 1 3/8 1 5/8 1 5/8
Access port 3/ckt
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
LIQUID LINE
Tube diameter (in.)
1/2 5/8 1/2 3/4 3/4
Filter drier DHY01123 DHY01232 DHY01123
DHY01233
(a)
DHY01233
(a)
Sight glass 1/ckt
GLS00853 GLS00830 GLS00853
GLS00830
(b)
GLS00830
(b)
Access port 2/ckt
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
Schraeder valve
w/core
Additional oil charge
0 oz =3oz+1oz/30ft 0 oz 0 oz = 8 oz+1oz/30 ft
Notes:
1. On Access ports 2/ or 3/ckt: Valve body VAL01483, valve core COR00006, valve cap CAP00072Schraeder
2. On Filter drier: For units with line lengths in excess of 80 ft, the unit included filter must be removed and discarded,
and a filter from the table must be installed close to the air handler. See “Liquid Filter Drier."
3. Check valve selections: 3/8 - VAL08459, 1/2 - VAL08460, 5/8 - VAL01722, 7/8 - VAL07030. (See “Check Valves").
(a)
7/8" connections
(b)
5/8" connections