Model
Number
Description
Split System Condensing Unit Model Nomenclature
T | T | A |
| 1 | 2 | 0 | A | |
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1 | 2 | 3 |
| 4 | 5 | 6 | 7 | |
Digits 1, 2, 3 - Product Type
TTA = Split System Cooling
Digits 4, 5, 6 - Nominal Gross Cooling Capacity (MBh)
075 = 75
085 = 85
100 = 100
155 = 15 5
200 = 200
Digit 7- Major Development Sequence
A = 1 Refrigerant Circuit (R22) B = 2 Refrigerant Circuits (R22)
C = Manifold Scroll Compressors (R22) D = 1 Refrigerant Circuit (R410A)
E= 2 Refrigerant Circuits (R410A)
F= Manifold Scroll Compressors (R410A)
4 |
| 0 | 0 |
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8 | 9 | 10 | 11 | 12 | ||||
Digit 8 - Electrical Characteristics
D =
Digit 9, 10 - Factory - Installed Options
00 | = | Packed Stock |
0S | = | Black Epoxy Coated Coil |
0R | = | ReliaTel™ Controls |
0T | = | ReliaTel Controls with Black Epoxy |
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| Coated Coil |
0U= | ReliaTel Controls with LonTalk | |
Communications Interface (RLCI) 0W = ReliaTel Controls with LonTalk®
Communications Interface (RLCI) and Black Epoxy Coated Coil
Digit 11- Minor Design Sequence
B = Second
Digit 12- Service Digit
A = First
| Air Handler Model Nomenclature |
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| T | W E | 0 9 0 |
| A | 1 |
| 0 0 |
| E |
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1 | 2 | 3 |
| 4 | 5 | 6 |
| 7 | 8 |
| 9 | 10 |
| 11 | 12 | |||||||
| Digits 1, 2, 3 - Product Type |
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| Digit 8 - Electrical Characteristics | ||||||||||||||||
| TWE = Split System Heat |
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| 0 = |
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| Pump/Cooling Air Handler |
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| Digit 9, 10 - Factory | - Installed Options | |||||||||||
| Digits 4, 5, 6 - Nominal Gross Cooling |
| 00 | = Packed Stock |
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| Capacity (MBh) |
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050 | = | 50 |
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| Digit 11- Minor Design Sequence | |||||||||||||
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075 | = | 75 |
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| E = Current Design Sequence |
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100 | = | 100 |
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155 | = | 150 |
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| Digit 12- Service Digit |
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200 | = | 200 |
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| Digit 7- Refrigerant Circuit |
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| A = | First |
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| A = | 1 | Refrigerant Circuit (R22) |
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| B = | 2 | Refrigerant Circuits (R22) |
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| D = | 1 | Refrigerant Circuit (R410A) |
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| E = | 2 | Refrigerant Circuits (R410A) |
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