10
CONDENSATE DRAIN AND CONDENSATE LIFT
PUMP INSTALLATION (HORIZONTAL
INSTALLATION)
For sizes 9, 12 and 18, the condensate lift pump has been provided in
a separate box. Use the following steps to install the External
Condensate Lift pump for a Horizontal Installation of the indoor unit.
NOTE: Drain connections A, B and C are covered with caps.
(1.) For sizes 09 and 12
a. Remove the cap on the drainage outlet.
b. Cut both ends of the rubber tubing provided into a straight
one.
c. Connect the drainage outlet and condensate lift pump using
the rubber tubing and secure it with clamps on both ends, as
shown on Figure 19.
d. Plug the power cable of the external pump to CN13 /
“PUMP” pin and plug the water level sensor cable to the
CN5 / ”WATER” to enable the pump (see Fig. 23).
(2.) For size 18
a. Remove the cap on drain connector B.
b. Connect the drain connector B and the condensate lift pump
using the L rubber hose and secure it with clamps on both
ends.
c. Connect the drainpipe to the connector D (see Fig. 20).
d. Plug the power cable of the external pump to CN13 /
“PUMP” pin and plug the water level sensor cable to the
CN5 / “WATER” to enable the pump (see Fig. 23).
Fig. 19 −
Condensate lift pump installation sizes 09−12
Connector A
Connector B
Connector C
Connector D
Hose
Fig. 20 −
Condensate lift pump installation size 18
(3.) Sizes 24, 36, 48 and 58 have a built−in condensate lift pump.
The drain connections (A, B and C) are covered with caps.
a. Connect the drainpipe to connector D (see Fig. 21).
Connector A
Connector B
Connector C
Connector D
Fig. 21 −
Connection of drain pipe to condensate lift pump
sizes 24−58
VERTICAL INSTALLATION
Disable the Condensate Lift Pump
The pump must be disabled while the unit is installed vertically (up
flow) or the lift pump assembly is removed from its original
position:
S
Open the cover of the E−Parts Box assembly, unplug the “PUMP”
pin to disable the pump function, and short connect the “CN5” plug
to disable the water level sensor (see Fig. 22 and Fig. 23).
Remove
the cover
Short connect the “CN5”
Unplug the “PUMP” plug pin
Fig. 22 −
Unplug the PUMP Pin
Fig. 23 −
Condensate Lift Pump Connectors
Summary of Contents for 40MBDQ series
Page 6: ...6 DIMENSIONS CONT Airflow Airflow Fig 5 Indoor Unit Sizes 58K...
Page 14: ...14 FAN PERFORMANCES AT VARYING STATIC PRESSURES CONT Fig 32 Fan Performance 40MBDQ09...
Page 15: ...15 FAN PERFORMANCES AT VARYING STATIC PRESSURES CONT Fig 33 Fan Performance 40MBDQ12...
Page 16: ...16 FAN PERFORMANCES AT VARYING STATIC PRESSURES CONT Fig 34 Fan Performance 40MBDQ18...
Page 17: ...17 FAN PERFORMANCES AT VARYING STATIC PRESSURES CONT Fig 35 Fan Performance 40MBDQ24...
Page 18: ...18 FAN PERFORMANCES AT VARYING STATIC PRESSURES CONT Fig 36 Fan Performance 40MBDQ36...
Page 19: ...19 FAN PERFORMANCES AT VARYING STATIC PRESSURES CONT Fig 37 Fan Performance 40MBDQ48...
Page 20: ...20 FAN PERFORMANCES AT VARYING STATIC PRESSURES CONT Fig 38 Fan Performance 40MBDQ58...