Rinnai Multi-Point 11i Low NOx User Manual

32
MAINTENANCE INSTRUCTIONS
1 2
3 4
Communication interface socket
PB1 - Data transfer button:
activates data transfer when PCB is replaced
Data transfer LED
illumitates to show data transfer is in progress
PB2 - MODE button
activates programming mode of PCB
PB3 - MENU button
cycles through available modes
PB4 - VALUE button
cycles throug available values of each menu
PB5 - FORCED COMBUSTION MODE button
LED digital display
displays menu, values and forced combustion modes
DIP SWITCH (1-4): default setting is OFF position
PB1
PB2
PB3
PB4
PB5
SW1
SW2
SW3
SW4
ON
234
PCB Interface, Layout and Functions
Operation of the PCB interface
To enter into the PCB’s programming mode press PB2
until the LED digital display shows “1” (Gas type); the current
set value of “menu 1” will be displayed shortly afterwards (the
possible values of “menu 1” are: “A”, “b”, “C” or “d”).
To modify the value of the menu press PB4: each press of the
button will select the next available value.
To
, press PB3: each press of the
button will select the next available menu.
To exit from the programming mode press PB2 until the LED
display goes blank.
By pressing PB5 the display shows “L” (forced low combustion
mode): by pressing PB3 or PB4 it is possible to increase or
reduce the min gas pressure.
Pressing PB5 again the display shows “H” (forced high
combustion mode): by pressing PB3 or PB4 it is possible to
increase or reduce the max gas pressure.
Menu and values
Nr. Menu
Value
A B C D E F H
1
Gas type G31 G30 G20 G230 G25
2
Model selection
1
17 lit 14 lit 11 lit
3
Max temperature
2
55°C 65°C 60°C 50°C 42°C 40°C
4
Warm water inlet
3
+3°C +6°C
5
Auto reset
4
No Yes
6
Model type
1
Outdoor Indoor
7
Temp. adjustment
5
0°C +1°C +2°C +3°C
1
This setting is programmed in factory and cannot be changed.
2
This setting can modify the max temperature selection of the water heater; default setting is 55°C.
3
This setting can modify normal operation of water heater to keep heating water until outgoing temperature is
“Tset+6°C”; default setting is +3°C.
4
When water controller is switched on and the “auto reset” function is activated (b), the water heater automatically
switches on and auto sets at temperature selected before the black-out happens.
5
This setting can increase the hot water temperature delivery in case of heat losses due to lack of insulation of
water pipes; default setting is 0°C: temperature set on water controller is the delivered temperature.
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Rinnai Multi-Point 11i Low NOx Specifications

General

Brand	Rinnai
Model	Multi-Point 11i Low NOx
Category	Water Heater
Language	English