andrews Fastflo WHC56 Service Manual page 19

Maintenance Monitor List
Data
Item
No.
+
02 2E gas judgement result
03 Total Plug-in Time
04 Total Combustion Time
05 Total Combustion Time
07 Number of Ignition Times
08 Number of Ignition Times
10 Fan Rotational Frequency
14 Total Flow Rate
*2 15 Heat Exchanger Flow Rate
Output (%)
18
Drain Trap Water Level Electrode
19
Calculated Fan Speed
*1 20
Water Inlet Thermistor
30
Temperature Reading
Water Outlet Thermistor
31
Temperature Reading
Heat Exchanger Thermistor
32
Temperature Reading
47 Simple Self-diagnosis Counter
48 Initial Fan Speed Correction
49
Final Fan Speed Correction
FF No.
50
FF+FB No.
51
Output
52
Position of Main Flow
60
Control valve
Position of Main Flow
61
Control valve limiter
Position of Bypass Flow
62
Control Valve
Position of Bypass Flow
63
Control Valve limiter
Circuit Board ID1: Product 1
87
Circuit Board ID2: Product 2
88
Circuit Board ID3:Version
89
Proportioning valve output capacity
90
91 Error Code History 1
92 Error Code History 2
93
Error Code History 3
94 Error Code History 4
95
Error Code History 5
96
Error Code History 6
Error Code History 7
97
98
Error Code History 8
*1 A difference in the calculated (#20) and the measured (#10) fan speeds of ±500 or less is normal.
*2 To view the maintenance monitors of another unit in a multi-system installation, press the SET button
(while in monitor mode) to switch to the desired unit.
Data
Minimum
(Display Reading x Multiplier)
Value for
Multiplier Unit
Indication
[ab : cd]
X 100 hour 100 hours
X 1
hour
X 1000
hour 1000 hours
X 10 time 10 times
X 10000 time 10000 times
X 10 rpm 25 rpm
X 0.1 L/min. 0.1 L/min.
X 0.1 L/min. 0.1 L/min.
X 1 %
[x : xx]
X 10 rpm 25 rpm
X 0.1
°C
X 0.1 °C
X 0.1 °C
[0 : xx] Decimal
X 1 %
X 1 %
X 0.1
X 0.1
X 0.1
step
X 2
X 2 step
[1 : xy]
[2 : xy]
[3 : xy]
X 1
Most Recent Error
Code
Next Most Recent
Error Code
Next Most Recent
Error Code
Next Most Recent
Error Code
Next Most Recent
Error Code
Next Most Recent
Error Code
Next Most Recent
Error Code
Next Most Recent
Error Code
– 19 –
Remarks
Under judgement [000]
2L[1100],2H[1300]
2L(Dip switch)[1109],
2H(Dip switch)[1309]
Disp. Range [000] – [1300]
1 hour Disp. Range [000] – [999]
Disp. Range [000] – [1999]
Disp. Range [000] – [999]
Disp. Range [000] – [1999]
1 %
• Both electrodes : OFF [000]
• Electrode No.1 only : ON [001]
• Electrode No.2 only : ON [010]
• Both electrodes : ON [011]
0.5°C
0.5°C
0.5°C
[000] – [036]
+
1 % 2H/2E [000] – [105], 3P[000] – [102]
+
1 % 2H/2E [000] – [105], 3P[000] – [102]
0.1
0.1
0.1
[000] (Open) – [1350](Closed) step
Open [000], Unlimited [AAA],
Fully closed [315], Error [EEE]
[000] (Open) – [1350](Closed) step
Open [000], Unlimited [AAA],
Fully closed [315], Error [EEE]
A=101,B=102,C=103,...Z=126
A=201,B=202,C=203,...Z=226
A=301,B=302,C=303,...Z=326
[000] – [1000]
If the same error code is
repeated, it will appear in
the history list twice.
If it is repeated more than
twice, it will only appear
twice.