35
12.3.6 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.
12.3.7 How to Take Out Front Grille
Please follow the steps below to take out front grille if
necessary such as when installing or servicing.
1 Open front panel.
2 Remove the 3 mounting screws on the front
grille as shown in the illustration at right.
3 Slide the 3 lock knobs on the upside of front
grille to unlock position.
4 Pull the front grille towards you to remove the
front grille.
12.3.8 Auto Switch Operation
The below operations will be performed by pressing the “AUTO” switch.
1 AUTO OPERATION MODE
The Auto operation will be activated immediately once the Auto Switch is
pressed and release within 5 sec..
2 TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE)
The Test Run operation will be activated if the Auto Switch is pressed
continuously for more than 5 sec. to below 8 sec..
A “pep” sound will occur at the fifth sec., in order to identify the starting of
Test Run operation.
3 HEATING TRIAL OPERATION
Press the “AUTO” switch continuously for more than 8 sec. to below 11 sec. and release when a “pep pep”
sound is occured at eight sec. (However, a “pep” sound is occurred at fifth sec..) Then press Remote
controller “AC Reset” button once.
Remote controller signal will activate operation to force heating mode.
4 REMOTE CONTROLLER RECEIVING SOUND ON/OFF
The ON/OFF of Remote controller receiving sound can be change over by the following steps:
a) Press “AUTO” switch continuously for more than 16 sec. to below 21 sec..
A “pep”, “pep”, “pep”, “pep” sound will occur at the sixteenth sec..
b) Press the “AC Reset” button once, “pep” sound will occur indicates that Remote controller receiving sound
setting mode is activated.
c) Press “AUTO” switch again. Everytime “AUTO” switch is pressed (within 60 sec. interval), Remote
controller receiving sound status will be reversed between ON and OFF.
Long “peep” sound indicates that Remote controller receiving sound is ON.
Short “pep” sound indicates that Remote controller receiving sound is OFF.
When properly fl ared, the internal surface of the
fl are will evenly shine and be of even thickness.
Since the fl are part comes into contact with the
connections, carefully check the fl are fi nish.
Improper fl aring
Inclined Surface
damaged
Cracked Uneven
thickness
1. To cut 2. To remove burrs 3. To fl are
Bar
Red arrow mark
Handle
Core
Yoke
Clamp handle
Bar
0 – 0.5 mm
Copper pipe
Reamer
Point down
Pipe
1
2
3
4
Screw
Front panel
Front grille
LOCK
Lock knob
UNLOCK
When reinstalling the front
grille, carry out above steps
2 - 3 in the reverse order.
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