Paloma PH-28CDVSN, Инженерный справочник

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3. Error Code [13] (Oxygen Depletion Safety Device Working) is displayed. (Indoor & Direct Vent Model Only)
NO
YES
Is the
burner manifold
pressure normal?
*2
NO
YES
Adjust the burner manifold
pressure.
The water heater seems to be
normal. Try to operate again.
*1 Measure the voltage of connector .
Between Red and White wires: 8 ~ 30m VDC
Q
*2 Measure the burner manifold pressure. (Refer to Pages 35 ~ 37 for
adjustment of manifold pressure.)
Check the followings.
* Dirt or blockade of the Heat
Exchanger or Venting.
Clean it if necessary.
* Dirt or blockade of the Fan
Motor (turbo) or air intake
on the front cover.
Clean it if necessary.
* Blockade of the flame opening
of the sensing burner.
Clean the entire burner
assy. including sensing burner.
* Disconnection of the
thermocouple and connector.
Replace the upper
burner assy. Attach the
connector firmly.
4. Error Code [15] (Boiling Safety Device, Empty Boiling Safety Device) is displayed.
Display maintenance information [5y].
Are [5y]
and outlet
temperature the same?
NO
NO
YES
Is the
resistance of the
thermistor OK?
*3
Replace Hot Water Outlet
Thermistor.
*3 Measure the resistance of connector .
Between Black and Red wires:
68 °F (20
°F
°C) ........ 10.3 k ohm
°C
R
104 (40 ) ........ 4.9 k ohm
YES
Replace Burner Control Assy.
The water heater seems to be
normal. Try to operate again.
Is the
electromotive force
of the thermocouple OK?
*1
NAT. Gas 2.52 + fan pressure (max.)
MAX. (in. w.c.) MIN. (in. w.c.)
0.45 + fan pressure (min.)
L.P. Gas 7.36 + fan pressure (max.) 1.22 + fan pressure (min.)
PH-28 Indoor
NAT. Gas 2.32 + fan pressure (max.)
MAX. (in. w.c.) MIN. (in. w.c.)
0.43 + fan pressure (min.)
L.P. Gas 6.61 + fan pressure (max.) 1.10 + fan pressure (min.)
PH-28 Outdoor
NAT. Gas 2.36 + fan pressure (max.)
MAX. (in. w.c.) MIN. (in. w.c.)
0.42 + fan pressure (min.)
L.P. Gas 7.28 + fan pressure (max.) 1.15 + fan pressure (min.)
PH-28 DV