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REPLACEMENT OF MAIN COMPONENTS
9. Reassemble the exhaust air heat exchanger.
1) Mount the exhaust air heat exchanger. Tighten it
with 2 nuts and 2 bolts.
2) Mount the exhaust pipe. Tighten it with 2 nuts and
2 bolts.
NOTE)
Replace the gasket before mounting the exhaust
pipe.
The outdoor unit has the deodorizing catalyst in-
stead of the exhaust pipe if the deodorant kit is in-
stalled.
10. Install each wire harness
1) Connect the relay connector of the engine coolant
temperature sensor wire harness.
2) Connect the 2 relay connectors of the gas mixer
wire harness.
3) Connect the relay connector of igniter wire harness.
11. Connect the 3 engine coolant hoses to the engine.
Nuts
Bolts
Tightening torque
Bolts
31.0 lb·ft (42.0 N·m)
Nuts
Exhaust pipe
Bolts
Nuts
Tightening torque
Bolts
14.8 lb·ft (20.0 N·m)
Nuts
Engine coolant
temperature
sensor
Igniter
Gas mixer
Engine coolant hoses
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