Panasonic NC-PH22WTW / NC-PH30WTW Service Manual ▷ View online
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1. Set 2 ribs of hold spring A on cover plate
to assemble thermistor assy.
2. Assemble hold spring A on cover plate.
to assemble thermistor assy.
2. Assemble hold spring A on cover plate.
4.21 Thermistor assembly
Paste Decoration panel tightly.
4.22 How to paste Decoration panel
FIG. 23
FIG. 22
Operating point
Paste from A-portion before and follow the
arrow direction.
arrow direction.
Peel of scratch protection sheet from decoration
panel surface.
panel surface.
Thermistor assy
Hold spring A
Cover plate
Spring grooves
position
position
NC-PH22, NC-PH30
4
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4.23 Lead wire assy E assembly
Put lead wire assy E on control unit A, B by
turn printing side on the back.
turn printing side on the back.
FIG. 24
FIG. 25
4.24 Shaft assembly
Set 4 legs of shaft into groove of Fig. 25 pump
comp., as picture below.
comp., as picture below.
Control unit A (Bottom)
Control unit B
(Operation)
Shaft
Shaft
Leg
Leg
Slot
NC-PH22, NC-PH30
Lead wire assy E
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1. Assemble seal ring on valve A, then assemble spring B.
2. Set 4 legs of valve A of pump comp., as picture below.
2. Set 4 legs of valve A of pump comp., as picture below.
4.25 Valve A, Seal ring and Spring B assembly
Use finger to Block position, and push tightly to prevent air leak from Lid.
(If there is some rebound on Pump Comp., it means OK.)
(If there is some rebound on Pump Comp., it means OK.)
4.26 How to check Pump comp.
FIG. 27
FIG. 26
Operating point
Assemble pump comp., to lid after check air leak.
If do not set packing lid well, it may not withstand pushing reaction. (Packing lid should not be open)
Operating point
Flat side of sealing should reach to base of valve A.
①
Valve A
Seal ring
Spring B
Leg
Hole
•
Picture when remove Spring B. to make
more understand how to set Valve A
more understand how to set Valve A
Lid packing
Valve A
Push
NC-PH22, NC-PH30
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4.27 Recheck
After assembly please recheck water leak, insulation resistance and operation, those are usual
or unusual.
or unusual.
: Measure by 500VDC insulation meter, the result should be more than 2M
Ω.
(Measuring between 2 pins of plug and screw)
Insulation resister
: Should stand at 1000VAC for 1 minute.
(Measuring location is same as INSULATION RESISTER)
(Measuring location is same as INSULATION RESISTER)
Insulation resistance
: Thermo pot performance test mode (P. 5) and operation is usual or unusual.
Current check
5. PRODUCTION NO. POSITION
Production No. is located at bottome plate.
Production date
NC-PH22, NC-PH30
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