Samsung SINGLE AC MNMSEH/EU Series Technical Data Book page 48

14. Installation
Indoor Unit
Without the drain pump
1 Install horizontal drainpipe with a slope of 1/100 or more
and fix it by hanger space of 1.0~1.5m.
2 Install U-trap at the end of the drainpipe to prevent a
nasty smell to reach the indoor unit.
3 Do not install the drainpipe to upward position. It may
cause water flow back to the unit.
Flexible hose
Ceiling
With the drain pump
1 The drain pipe should be installed within 300mm to
550mm from the flexible hose and then lift down 20mm
or more.
2 Install horizontal drainpipe with a slope of 1/100 or more
and fix it by hanger space of 1.0~1.5m.
3 Install the air vent in the horizontal drainpipe to prevent
water flow back to the indoor unit.
NOTE
• You may not need to install it if there were proper slope in
the horizontal drainpipe.
4 The flexible hose should not be installed upward position,
it may cause water flow back to the indoor unit.
Air vent
300mm or less
Flexible hose
48
1~1.5m
Hanger
Horizontal drainpipe
more than 1/100 slope
1~1.5m
200mm
or more
Hanger
20mm
or more
Within
300~550mm
Horizontal drainpipe
more than 1/100 slope
Ceiling
Step 11 Performing the drainage test
Prepare a little water about 2 liter.
1 Pour water into the base pan in the indoor unit as shown
in figure.
2 Confirm that the water flows out through the drain hose.
Step 12 Optional: Installing DPM
• When installing DPM, you should set "DPM setting" to the
outdoor unit.
• If DPM model is not set, communication error may occur.
• While the outdoor unit is tracking the indoor unit for one
minute after the power supply is turned on. The operation
may stop if the remote control reception signal of the
installed indoor unit is different.
• When DPM is installed, Automatic Air-Volume function
cannot be performed simultaneously for all indoor units.
Automatic Air-Volume function must be performed for
each indoor unit with the wired remote control attached.
• To enable Level contol with the centralized controller, refer
to page 55