Maintenance Monitor / Error History - Rinnai REU-2018W Service Manual

18. Maintenance Monitor / Error History

A deluxe controller (MC70-2A) should only be fitted to the above water heater models, for
the purpose of enabling service personnel to locate the error history and fault find
operational appliances.
NB. Use only one controller, when accessing the maintenance information, error history,
as two or more remote controls may cause incorrect operation.
To display Maintenance Information
1. With the controller in the "OFF" position press the Water Tempera-
ture "DOWN" (Cooler) button while holding the "ON/OFF" button to
activate the maintenance monitor. Press the "ON/OFF" button a
second time to set the controller in the "ON" mode. This feature can
now be used with the appliance in operation.
2. The maintenance number will be shown in the Water Temperature
display.
3. Data will be shown in the Clock display.
4. To select the required maintenance number, press the Water
Temperature "UP" and "DOWN" buttons.
Display Monitor Contents
No. Contents
01 Water flow sensor recognition flow
(Example 123 = 12.3L/min).
02 Hot water Outlet thermistor temperature
(Example 20 = 20°C)
03 Hot water combustion time
(Example 6 = 600 hours)
04 Hot water operation frequency
(Example 6 = 600 Operations)
05 Hot water fan frequency
*Note 1 Fan Frequency rpm Conversion
(rpm) = (Hz) x15
06 Remote control connection
*Note 2 Remote Control Connections
Additional remote
" 0
07 Water flow servo present recognising positioning
Infinity REU-2425W
REU-2425W
Bathroom Remote
1
INFINITY 24
Units
0.1L/min
°C
100 hours
100
Hz pulses/
sec
none
Controls connected
Kitchen remote
1 "
None
- 27 -
Data Range
0~400
0~999
000~999
0~999
0~999 *Note 1
0 or 1 *Note 2
Display
No "0"
Yes "1"
0~2 *Note 3
Issue 2 - 5/07/04 ©Rinnai