Trane 4TTR4A Series - Typical Field Hook-up Diagrams; Wiring Diagrams

|nsta||er's Guide
TYPICAL FIELD HOOK=UP DIAGRAMS
T'STAT IR HANDLER
...... R
...... Wl
A I CONDITIONER
...... y
ODT
_ ...... B
VARIABLE SPEED
T'STAT AIR HANDLER AIR CONDITIONER
F_q
FTq
1233
ISTq
_"= === y
0DT A
JoP_,O...... o_ i
'"B
PRINTEDFROM B152901P02
PRINTED FROMBI52gosP03
÷ CONNECTIONSTO BE MADE FOR OPERATION OF
BLOWERWITH HUMIDISTAT IN COOLING
T'STAT
Fq
E3
E3
Fq
Fq
NOTE
I -STAGE
OR
2-STAGE
FURNACE
E3
E3
Fcl
F8
Fq
AI CONDITIONER
_. ..... y
...... B
PRINTEDFROMB152903P02
-kW2 present only on 2 stage
thermostat and furnace
Notes:
1. Be sure power supply agrees with equipment nameplate.
2. Power wiring and grounding of equipment must comply with local codes.
3. Low voltage wiring to be No. 18 AWG minimum conductor.
4. ODT-B must be set lower than ODT-A.
5. If outdoor thermostats (ODT) are not used, connect W1 to W2 and W3.
T 'STAT
E3
Fq
E3
] NOTE
Fq
PRI NTE
VARIABLE SPEED
2 STAGE FURNACE
r_
i-tS]]
Frl
[]
prl
E]
Fq
FRO BI52901P04
LEGEND
..... FACTORY WIRING
_ FIELD WIRING
AI CONDITIONER
_-.-y
18-AC51 D6-1 5