Trane 4TXM2318BF300AA Service Manual page 20

300mm below
Drain hose
300mm below
accessory)
Drain hose drain water lifting pipe
(accessory)
Clamp
Note:
(accessorry)
The slope of water drain hose (1) shall be within 75mm, don't apply too much force on it.
If several water hoses join together, do as per following proceedures.
Specifieations of the water hoses shall meet the requirements for the unit running.
(2) Check if water drainage is smooth after installation.
• Check whether indoor unit is horizontal with leveler or polythene pipe
filled with water, and check that the dimension of the ceiling opening is
correct. Take off the lever gauge before install the ornament panel.
• Fasten the screws to make the height difference between the two
sides of indoor unit less than 5mm.
• First fix it with screws temporally.
• Fasten the two temporally fixing screws and other two, and tighten the
four screws.
• Connect the wires of synchro-motor.
• Connect the wire of signal.
• If no response of remote controller, check whether the wiring is
correct, restart remote controller 10 seconds after shut off power supply.
<Limits of Panel Board Installalion>
• Install the panel board in the direction shown in the figure. The
incorrect direction will result in water leakage, meanwhile swing and
signal receiving are displayed that cannot be connected.
• Charge, through air outlet or inspecting hole, 1200ccd water to see
water drainage.
After Wiring
• Check water drainage in cooling operation.
Method of water charging
Self-provided stiff pipe
Water drainage port for
maintenance
(Drain water from
this hole)
ethod of water charging
100mm
Self-provided stiff pipe
Watering can of plastic
pipe should be about
nce
100 mm long
water from
le)
Charge water from
100mm
inspecting hole
n of plastic
Charge water from
be about
air outlet
g
Suspending bracket
1~1.5m
Suspending bracket
1~1.5m
drain water lifting pipe
Clamp
(accessorry)
Maintenance
Inspecting hole
Charge water from
Maintenance
inspecting hole
Charge water from
air outlet
Inspecting hole
self-provided stiff pipe
(accessory)
self-provided stiff pipe
(accessory)
Connect water hoses
with at joint.
AB25S2SC1FA
AB35S2SC1FA
AB50S2SC1FA
AB25S2SC2FA
AB35S2SC2FA
AB50S2SC2FA
AB50S2SF1FA
AB71S2SG1FA
AB25S2SC1FA
AB35S2SC1FA
Indoor unit
AB50S2SC1FA
terminal block
AB25S2SC2FA
AB35S2SC2FA
AB50S2SC2FA
AB50S2SF1FA
Outdoor unit
AB71S2SG1FA
terminal block
18
Connect water hoses
with at joint.
Connect with
outdoor unit
Connect with
Terminal block
outdoor unit
PCB on
indoor unit
Terminal block
Indoor unit
terminal block
Outdoor unit
terminal block
Electric control box
Electric control box
Terminal block
PCB on
indoor unit
Terminal block
Cover of controll box
Cover of controll box