Trane Odyssey Series - Air Handler to Condenser Connections; Air Handler Connections; Symbio 700 Configuration and Settings

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SS-SVN016A-EN
Air Handler to Condenser Connections
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Table 15. Pairing G (optional) air handler to condenser wiring
Cond. Required
/ Optional
Air Handler
Connection
Condens-
er
Connec-
tion
Purpose
Instructions
1 Required LTB2-R (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 LTB2-B1 (AB) J15-2 Ground
3 Required (RB) J5-4 (AB) J18-1 Indoor fan
run
4 Required (RB) J5-5 (UC) J21-2 Single
compressor
5 Required (RB) J5-6 (UC) J21-6 High fan
speed
6
Optional
LTB2-W1
(UC) J21-3 Electric heat
7 Optional LTB2-W2 (UC) J21-5 Electric heat
8 Optional LTB2-CD (UC) J16-2 EDC
If the EDC switch in the air handler will be utilized for low evaporator
compressor protection, use the Symbio Service and Installation Mobile
Application to edit the following:
• Go to Tools > Service > Customer Connection Polarity and change
Demand Limit Input to Reversed.
• Edit Configuration and set Demand Management to Demand Limit.
• Edit Settings > Refrigeration and set Cooling Demand Limit Capacity
Enable Setpoint to 0%.
Air Handler Connections
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Table 16. Pairing G (optional) air handler wiring
Cond. Required/
Optional
Air Handler Connection
Purpose
Instructions
1 Required LTB2-R to Relay Board J10-1 24VAC
2 Required LTB2-B1 to Relay Board J10-2 Ground
3 Required LTB2-W1 to Relay Board J5-7 Electric heat High speed fan request during heating
4 Required LTB2-W2 to Relay Board J5-8 Electric heat High speed fan request during heating
Symbio 700 Configuration and Settings
See “Symbio Service and Installation Mobile Application,” p. 31 for details on editing equipment
configuration. Review and edit the following:
• System Type: CVZT
• Indoor Fan Type: Single Speed
The following alarms will persist, but the unit will operate:
• Indoor Options Module Communication Status
• Diagnostic: Unit Communications Failure
• Frostat Input
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