Trane Odyssey Series - Air Handler to Condenser Connections

SS-SVN016A-EN
19
Air Handler to Condenser Connections
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Table 9. Pairing A or B air handler to condenser wiring
Cond. Required
/Optional
Air Handler
Connection
Condenser
Connection
Purpose
Instructions
1 Required (RB) J10-1 (AB) J15-1 24VAC It is recommended that the air handler and
condensing unit share low voltage power. If
the air handler and condensing unit have
separate low voltage power, these conductors
can be omitted, but isolation relays are
needed on the remaining control wire
conductors.
2 Required (RB) J10-2 (AB) J15-2 Ground
3 Required (RB) J5-4 (AB) J18-1 Supply fan Command the constant volume indoor fan to
run or will interlock a variable speed fan with
the electric heat.
4 Optional (RB) J5-1 (UC) J16-2 EDC
This conductor is optional and is only needed if
compressor protection at low evaporator
temperatures is desired. Reference page 28
for details on how to use the Symbio Service
and Installation Mobile Application to set the
configuration for Demand Management to
Demand Limit, and in Settings change Cooling
Demand Limit Capacity Enable Setpoint to
0%.
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Table 10. Pairing A or B twisted pair cable wiring
Cable Required/
Optional
Air Handler
Connection
Condenser
Connection
Purpose
Instructions
1
Optional
(a)
(RB) J4-3 (AB) J15-3 Electric Heat and/or
VFD
(IMC +)
(RB) J4-4 (AB) J15-4 Electric Heat and/or
VFD (IMC -)
(RB) J4-3 No connect Shield Connect shield only at air handler to ground
terminal. At condenser, tape shield back onto
cable.
2 Optional
(b)
(RB) J7-1 (AB) J16-1 Modbus +
(RB) J7-2 (AB) J16-2 Modbus -
(RB) J7-3 No connect Shield Connect shield only at air handler to ground
terminal. At condenser, tape shield back onto
cable.
(a)
Required if Options Module installed for electric heat operation and/or SZVAV application.
(b)
Required if air handler has a VFD for SZVAV application. Use the Symbio Service and Installation Mobile App to verify that configuration for system type is
set to VVZT.
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