26
SSP-SVX001B-EN
Table 7. Recommended thermostat wire size
Wire Size
Maximum Wire Length
(Gauge)
Physical distance between Unit & T’stat
22
30 Feet
20
50 Feet
18
75 Feet
16
125 Feet
14
200 Feet
Table 8. Zone sensor module wiring
Distance from Unit to
Control
Recommended Wire Size
0-150 feet (0-45.7 m)
22 gauge (0.33 mm
2
)
151-240 feet (46-73.1 m)
20 gauge (0.50 mm
2
)
241-305 feet (73.5-117.3 m)
10 gauge (0.75 mm
2
)
386-610 feet (117.7-185.9
111)
16 gauge (1.3 mm
2
)
611-970 feet (186.2-295.7 m)
14 gauge ( 2.0 mm
2
)
Field Wiring
Refer to the table below for instructions on field wiring
connections.
Table 9. Field wiring instructions
Condenser
Condenser
Model No.
(Digit 15)
Paired with Air
Handler
Air Handler
Model No.
(Digit 15)
Field Control Wiring Instructions
Symbio Condenser
(cooling or heat pump)
S
Constant Volume
1
Pairing A
Symbio Condenser
(cooling or heat pump)
S
SZVAV / 2-Speed
D
Pairing B
Symbio Condenser
(cooling or heat pump)
S
Legacy CV
Electromechanical
0
Hub Case #182095
(a)
Symbio Condenser
(cooling or heat pump)
S
Legacy 2-Speed
Electromechanical
A
Hub Case #182095
Legacy Electromechanical
Condenser
E
2-Speed
(b)
C
Pairing C, see Air Handler IOM (SSA-SVX06*-EN)
Legacy Electromechanical
Condenser
E
Constant Volume
1
Hub Case #182095
Legacy ReliaTel
Condenser (cooling or
heat pump)
R
Constant Volume
1
Hub Case #182095
Note:
Gray shaded cells indicate older legacy units.
(a)
Contact the local Trane Commercial Sales office to receive a copy of Hub Case details.
(b)
2-Speed Air Handler (identified by a “C” in digit 15) is specifically designed as a replacement air handler for a system with a legacy electromechanical
condenser.
