Table of Contents
(Anchor pitch)
After selecting the best location, start installation according to Installation Diagram.
1
Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm).
2
When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand
firmly with bolt or nails.
11.2.2.2
Disposal of Outdoor Unit Drain Water
When a Drain elbow is used, please ensure to follow below:
the unit should be placed on a stand which is taller than 50 mm.
o
cover the ø20mm holes with Rubber cap (refer to illustration below).
o
use a tray (field supply) when necessary to dispose the outdoor unit drain water.
o
If the unit is used in an area where temperature falls below 0°C for 2 or 3 consecutive days, it is recommended
not to use the Drain elbow and Rubber cap, for the drain water freezes and the fan will not rotate.
Rubber cap
2
UD03*E5* and UD05*E5*
11.2.3 Connecting the Piping
11.2.3.1
Connecting the Piping to Outdoor Unit
Decide piping length and then cut by using pipe cutter.
Remove burrs from cut edge. Make flare after
inserting the flare nut (locate at valve) onto the copper
pipe. Align center of piping to valves and then tighten
with torque wrench to the specified torque as stated in
the table.
Model
UD03*E5* and
ø12.7mm (1/2")
UD05*E5*
UD07*E5* and
ø15.88mm (5/8")
UD09*E5*
Close the tube joining area with putty heat insulator
(local supply) without any gap as shown in right figure.
(To prevent insects or small animal entering.)
(For UD07*E5* and UD09*E5* only)
11.2.3.1.1
Cutting and Flaring the Piping
1
Please cut using pipe cutter and then remove the burrs.
2
Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused.
Turn the piping end down to avoid the metal powder entering the pipe.
3
Please make flare after inserting the flare nut onto the copper pipes.
Pipe
Reamer
Point
down
1. To cut
2. To remove burrs
E
A
B
Drain elbow
x 7
Piping size (Torque)
Gas
Liquid
ø6.35mm (1/4")
[55 N•m]
[18 N•m]
ø6.35mm (1/4")
[65 N•m]
[18 N•m]
Handle
Bar
Yoke
Core
Clamp
Red arrow mark
handle
3. To flare
Model
UD03*E5* and
UD05*E5*
UD07*E5* and
UD09*E5*
1
Rubber cap
Be sure to use two spanners to tighten.
(If the nuts are overtightened, it may cause the flares
to break or leak.)
Improper flaring
0 – 0.5 mm
Bar
Inclined Surface
Copper pipe
damaged
67
A
B
C
540
160
20
620
140
15
Drain elbow
x 8
2
UD07*E5* and UD09*E5*
Spanner
or Wrench
Putty or Heat
insulator
(local supply)
When properly flared, the internal
surface of the flare will evenly shine
and be of even thickness. Since the
flare part comes into contact with
Uneven
Cracked
the connections, carefully check
thickness
the flare finish.
D
E
F
330
430
46
355
450
44
(Unit : mm)
1
Torque
wrench
Hide quick links:
Table of Contents
