Use and Care Guide

30-
30-A
01-A
PARAMETER SETTINGS
PERFORMANCE DATA
DIAGNOSTIC CODES
To Obtain Performance Data:
1. Press and hold the (Down) buon for two seconds.
2. While holding the (Down) buon, press and hold the
Indirect Tank buon (hold both buons at the same
me).
3. Use the (Up) and (Down) buons to scroll to the
desired informaon described in the Performance
Data Table.
4. The data for the performance number automacally
appears in the display.
5. To exit performance data, repeat step 2 above.
2
1
Performance Data Table
To display diagnosc codes:
1. Press and hold the Indirect Tank buon for two
seconds and then the (Up) buon
simultaneously.
2. The last nine maintenance codes display and ash
one aer the other.
3. To exit diagnosc codes and return the boiler to
normal operaon, press and hold the Indirect Tank
buon for two seconds, and then the (Up)
buon simultaneously.
1. To access the Parameter Sengs, press and hold the red buon on the PC Board for
ve seconds.
2. Press the Mode buon on the controller.
3. Press the (Up) or (Down) arrows to select a parameter seng. Press the Select
buon.
# Data Unit
01
Water Pressure PSI/bar*
03
Supply Temperature °F/°C*
04
Return Temperature °F/°C*
05
Freeze Protecon Temperature °F/°C*
06
Exhaust Temperature °F/°C*
11
Fan Frequency Hz
17
Venturi Posion 0=Closed, 1=Open
18
Venturi Cycles x100
20
Pump Cycles x100
21
Pump Hours x10
22
Pump for Boiler 0=OFF, 1=ON
23
Pump for System (Pump 1) 0=OFF, 1=ON
# Data Unit
24
Pump for Indirect Tank (Pump 2) 0=OFF, 1=ON
30
Indirect Tank Thermistor Temperature °F/°C*
31
Outdoor Temperature °F/°C*
40
Energizaon Hours x100
41
Combuson Hours x10
42
Combuson Cycles x100
45
Commissioning Cycles x1
MODE
1
2
1
* See “Electrical Diagnoscs” secon of this document.
3
4
2
3
4
5. To exit parameter sengs and enter normal operaon mode, press either the red
buon on the PC Board or the Mode buon on the controller.
Amp Fuses
This unit has two (10) amp glass fuses located
on the PC Board. Remove the fuses and check
connuity through it. If you have connuity
through each fuse then it is funconing.
Otherwise, the fuse is blown and must be
replaced.
Flame Rod
Place one lead of your meter to the ame rod and
the other to ground. When the unit is aempng to
ignite, you should read more than 2VAC.
Important Safety Notes
There are a number of (live) tests required when
performing electrical diagnoscs on this product.
Proceed with cauon at all mes to avoid contact with
energized components inside the boiler. Only trained
and qualied service technicians should aempt to
repair this product. Before checking for resistance
readings, disconnect the power source to the unit and
isolate the item from the circuit (unplug it).
100
Air Supply or Exhaust Blockage/Condensate Trap is Full
• Fan current inial check error.
• Ensure condensate line and trap is not blocked.
• Ensure internal air lter is clean with no obstrucons.
• Ensure high altude seng is set properly (See High Altude Seng).
• Ensure combuson air and exhaust vents are not blocked and the approved venng
materials are being used.
• Ensure either the exhaust ring or intake cap is removed properly.
• Ensure vent length is within limits.
• Check fan for debris and ensure wheel turns freely.
• Verify fan check valve is not stuck between fan casing and burner body.
110
No Ignion (Unit Not Turning On)
• Ignion Error.
• Check that the gas is turned on at the boiler, gas meter, and/or propane cylinder.
• If the unit is installed in a propane system, ensure that gas is in the tank.
• Bleed all air from the gas lines.
• Check the ground wire for the PC Board.
• Ensure the ame rod wire is connected.
• Ensure the igniter is operaonal.*
• Ensure the venng is installed in accordance with the I-Series Boiler Installaon and
Operaon Manual.
• Check that the surface of the electrode and ame rod are clean.
• Check gas solenoid valves for open or short circuits.*
• Verify gas orice installed is correct for the gas system the unit is installed in.
• Check ame rod voltage to ground during ignion.
120
Flame Failure
• Boiler has ame failure.
• Check that the gas is turned on at the boiler, gas meter, and/or propane cylinder.
• If the unit is installed in a propane system, ensure that gas is in the tank.
• Ensure the venng is installed in accordance with the I-Series Boiler Installaon and
Operaon Manual.
• Ensure the ame rod wire is connected.
• Ensure the gas type and inlet gas pressure are correct.
• Bleed all air from the gas lines.
• Check the ground wire to the PC Board.
• Check ame rod voltage to ground during ignion.
140
Heat Exchanger Overheat
• Overheat switch is tripped.
• Measure the resistance of the Overheat Switch.*
• Check the heat exchanger surface for hot spots which may indicate blockage due to scale
buildup.
• Ensure the boiler pump is not locked up.
• Ensure that all of the valves in the CH circuit are open.
• Ensure the boiler and CH circuit does not have a freezing condion.
• The surface of the heat exchanger may turn to a black color as stainless steel is
tempered even in normal condions. This does not indicate an abnormal condion.
• Check for damage on the exhaust, seal, and venng.
150
Venturi Control
• Venturi operaon error.
• Ensure the venturi motor is operang correctly.*
• Replace the gas valve assembly.
170
Venturi Blockage
• Check the venturi and silencer for blockage.
• Before reseng this error, check if the condensate drain is block and if the venng is
connected properly.
181 Indirect Tank Temperature
• Indirect tank runs for more than six hours without cycling o.
• Ensure the tank size is adequate.
• Check the thermistor locaon.
• Ensure the system is plumbed properly.
• Check the supply temperature for tank is higher than tank seng temperature
(Parameter 30).
• Check sensor wiring for damage.
• Measure resistance of sensor.*
• Replace sensor if necessary.
190
Electrical Grounding
• Secondary circuit ground fault.
• Check all electrical components for electrical short.
250
Condensate Pump (Accessory)
• Boiler will operate for 60 seconds.
• Conrm wire connecons and harnesses are good.
• Ensure the condensate reservoir is empty and condensate pump is operaonal.
310
Freeze Protecon Thermistor
• Check sensor wiring for damage.
• Measure the resistance of the sensor.
• Replace if necessary.
353
Supply Thermistor
• Check sensor wiring for damage.
• Clean the surface of the sensor.
• Measure the resistance of the sensor.
• Check the return thermistor.
• Replace if necessary.
363
Return Thermistor
• Check sensor wiring for damage.
• Measure the resistance of the sensor.
• Replace if necessary.
371
Indirect Tank Thermistor
• Ensure DIP switch 4 is set to the appropriate seng.
• Check sensor wiring for damage.
• Measure the resistance of the sensor.
• Replace if necessary.
380
Exhaust Thermistor
• Check sensor wiring for damage.
• Clean the surface of the sensor.
• Measure the resistance of the sensor.
• Check the return thermistor.
• Replace if necessary.
393
Outdoor Thermistor
• Ensure that DIP switch 1 is set to the appropriate posion.
• Check sensor wiring for damage.
• Measure the resistance of the sensor.
• Replace if necessary.
400
Pressure Sensor
• Check sensor wiring for damage.
• Measure the voltage of the sensor.
• Replace if necessary.
430
High/Low Water Pressure
• If the water pressure is too low, add water into the system unl at least 13 PSI
is observed.
• Ensure there are no leaking components in the CH system.
• If the pressure is too high, adjust the pressure to a maximum of 30 PSI.
• Ensure the pressure relief valve and water ll are working correctly.
443
Low Water Cut-O (LWCO)
• Ensure the LWCO device is working correctly.
• Ensure the LWCO jumper is connected properly when LWCO is not in use.
• Ensure the output is 24 VAC on the PCB. If it is not, check the transformer
harness and output of transformer.
520
Solenoid Valve Circuit
• Check the ame rod and wire for damage.
• Close the gas shut o valve installed near the boiler.
• Ensure the ame rod and wire are not wet.
• Check the output from the PC Board to the solenoid gas valve.
• If the output from the PC Board is abnormal, replace the PC Board.
• If the output from the PC Board is normal, replace the gas control.
540
High Exhaust Temperature
• Check the exhaust thermistor wiring for damage.
• Clean the surface of the thermistor.
• Measure the resistance of the exhaust thermistor.*
• If the sensor has been replaced and the error sll appears, check the return
thermistor.
• Check the exhaust duct, seal, and venng for damage.
No
Code
Boiler does not start heang with a heang demand present.
• Supply temperature or return temperature inside the boiler may be too hot.
• Ensure the pump operates properly.
No
Code
The boiler does not operate with the CH seng buon.
• If DIP switch 2 is OFF, CH operaon will operate via the room thermostat.
No
Code
Boiler does not start heang the indirect tank, although the indirect tank is
calling for heat.
• Aer the tank priority me (Parameter 34) passes, the boiler will be in heang
priority for 60 minutes.
No
Code
Supply Temperature is dierent from the seng temperature on the controller.
• During outdoor sensor control, the supply temperature will vary dependent on
the outdoor temperature.
• During simultaneous operaon of an Indirect Tank and CH, the supply
temperature for CH is based on Indirect Tank control.
No
Code
CH capacity is insucient
• Ensure the parameters are properly set for the installaon.
• During simultaneous operaon of an Indirect Tank and CH, ow volume to
heang can be reduced.
No
Code
Pump or fan even with no demand
• The boiler may start or operate the pump for freeze protecon operaon.
• The pump may intermiently operate to prevent it from becoming stuck.
720
Flame Rod
• Check the ame rod and wire for damage.
• Ensure the ame rod and wire are not wet.
• If there is no issue with the ame rod or wiring, replace the PC Board.
890
Freeze Issue
• The boiler checks the heat exchanger temperature at the me of operaon.
• If the temperature is too low, an error will occur.
• Check if there is freezing in the boiler or CH system.
999
PC Board Mismatch
• This code occurs when the PC Board and the internal logic do not match.
• Check if the soware versions of the board and operaon board do not match.
FFF Maintenance Indicator
• This code is a placeholder in diagnosc code history indicang a service
provider performed maintenance or service.
• Enter this code aer performing service by pressing the following buons at
the same me: UP, DOWN, and Indirect Tank. FFF appears on the monitor.
Indirect Tank
Up and Down
e:fff
Press the Indirect
Tank buon.
PC Board
Press and Hold
Red Buon
for Five Seconds
4. Press the (Up) or (Down) arrows to change the selecon for the seng
number (such as 30-A or 30-b). Then, press the Select buon.
700 PC Board
• PC Board circuit error.
• Replace PC Board.
710 Solenoid Valve Circuit
• Ensure Dip switch 5 on the PC Board is in the OFF posion (default).
• Ensure the gas control wire is not loose or damaged.
• Replace the PC Board.
610
Combuson Fan
• Check the motor wire harness for loose or damaged connecons.
• Measure resistance and voltage of motor wire harness.*
• Ensure the combuson fan spins freely.
ELECTRICAL DIAGNOSTICS
MODE
Eco
MODE
Eco
no. 04
MODE
Eco
120
DIAGNOSTICS POINTS
COMPONENT WIRE COLOR
VOLTAGE
*When the unit is operang
RESISTANCE
PCB
Connector PIN
Power Supply Black-White AC108-132V N/A CN24 1-3
Flame Rod Yellow-Body more than 2VAC* N/A CN1 2
Spark Electrode Red-Black 11-14VDC* N/A CN1 11-22
Combuson Fan
Red-Black 7-48VDC* N/A CN1 3-5
White-Black 2-14VDC* N/A CN1 5-9
Yellow-Black 11-14VDC N/A CN1 5-7
Venturi Control Device
Blue-White
N/A 33-43Ω
CN1 17-19
Yellow-Red(No.9) CN1 13-15
Black-Red(No.3) 11-14VDC
N/A
CN1 11-29
Black-Brown
Close Posion：less than 1VDC Open Posion：4-6VDC
CN1 26-29
Black-Grey
Close Posion：4-6VDC Open Posion：less than 1VDC
CN1 24-29
Gas Solenoid Valve Yellow-Black 11-14VDC* 15-25Ω CN1 28-30
Exhaust Thermistor White-White
N/A
59°F：11.4-14kΩ
86°F：6.4-7.8kΩ
113°F：3.6-4.5kΩ
140°F：2.2-2.7kΩ
221°F：0.6-0.8kΩ
*Disconnect the connector and measure at thermistor side.
CN11 16-19
Supply Thermistor White-White CN11 12-19
Return Thermistor White-White CN11 10-20
Freeze Protecon Thermistor Black-Black
32°F：38k-43k; 50°F：22k-26k; 68°F：14k-17k
*Disconnect the connector and measure at thermistor side.
CN11 10-14
Transformer
White-Grey AC108-132V CN18 1-2
N/A
Red-Red AC20-30V (possible to measure at Output terminal as substute posion) CN18 3-4
Overheat Switch Black-Black less than 1VDC less than 1Ω 7(CN11)-27(CN1)
Water Pressure Sensor
Red-Black 11-14VDC
N/A
CN1 11-29
Yellow-Black
0kPa：655-745mV; 200kPa：2155-2245mV; 400kPa：3655-3745mV
6(CN11)-29(CNH1)
Water Level Electrode White-White 11-14VDC N/A 8(CN11)-29(CN1)
Air Handler Red-Black 11-14VDC N/A CN8 1-2
Control Panel Black-Black 11-14VDC N/A CN2 1-4
CH
Indirect
Tank
DIP Switches (Secon 12 in Manual and table below)
# DIP Switch Funcon
1
Outdoor Temperature Sensor: Enables or disables outdoor temperature sensor.
OFF (Default): Outdoor Temperature Sensor in Use
ON: Outdoor Temperature Sensor Not in Use
2 Thermostat Usage: Changes mode between Thermostat Usage and CH Buon.
OFF (Default): Thermostat Used
ON: CH buon used. Boiler res based on return water temperature
3 Indirect Tank: Enables the Indirect Tank Funcon for Pump 2.
OFF (Default): On
ON: O (Pump 2 Operates at a CH Zone Pump)
4 Indirect Tank Thermistor/Thermostat Selecon: Selects the method of controlling
the indirect tank. OFF (Default): Thermistor; ON: Thermostat
5 Gas Valve Solenoid: Manually shuts down the integrated solenoid gas valve.
OFF (Default): Normal Operaon; ON: Fixed Closed
6,
7
Altude Seng: Sets the appropriate elevaon of the boiler installaon.
(OFF/ON: Depends on Altude)
8 Vent Type Selecon: Selects the venng material used. The boiler is set from the
factory to be installed in a PVC venng system. If CPVC, PP, or other approved venng
is used, this seng may be adjusted. See Secon 5 in Manual for more informaon.
OFF (Default): PVC; ON: Other
SW1 Forced Hi/Low Fire Modes (Secon 12 in Manual)
SW2 Deaeraon Mode (Secon 10 in Manual)
SW3 Data Transfer Mode
(Transfers PC Board data when replacing PC Board. Refer to
instrucons included in replacement parts.)
SW4 Parameter Sengs (Secon 12 in Manual)
OFF
ON
Error Reset
Power Reset
Heat Exchanger Overheat (140), Venturi
Control (150), High Exhaust Temperature
(540), and Freeze issue (890) can be reset
by shung down power to the boiler.
Interlock Reset
Venturi (170) and Solenoid Valve Circuit
(520) can be reset by pushing and holding
buon SW1 and 2 for ve seconds.
Other Reset
Other error can be reset by Indirect Tank
On/O buon or Central Heang buon.
ALTITUDE
DIP
Switch 6
DIP
Switch 7
0-2,000 
(0-610 m) (Default)
OFF OFF
2,001-5,400 
(610-1,646 m)
ON OFF
5,401-7,700 
(1,646-2,374 m)
OFF ON
7,701-10,200 
(2,347-3,109 m)
ON ON
High Altude DIP Switch Table
Controller
Model
Temp. Water Flow Press.
1：F
°F gal/min psi
1：C
°C L/min bar
*Units of Measurement
1. Press the Mode buon.
2. Press the Up or Down arrows to
select a unit.
DIP Switches
For more informaon, refer to the Rinnai Boiler Installaon and Operaon Manual.
Parameter
Number
Seng Descripon
Selecon
Parameter
Value
Date
Adjusted
Parameter
Value
Date
Adjusted
A b C d
00
Pressure Indicaon on the Control Panel
Yes No
The current pressure will cycle on the controller display.
01
Outdoor Reset Curve
Curve 1 Curve 2 Curve 3 Curve 4
This parameter is available when Dip Switch 1 is in the OFF (default) posion. Select the proper curve from below. Curve 1: Standard baseboard, high eciency air
handler, cast iron or panel radiators. Curve 2: Staple up radiant. Curve 3: High temperature air handler or undersized baseboard. Curve 4: Custom curve based on
02
Boost
No 30 Minutes 60 Minutes
This parameter is available when Dip Switch 1 is in the OFF (default) posion.
03
Maximum Outdoor Temperature the Boiler will Fire in CH Mode
No
Maximum
77°F (25°C)
This parameter is available when DIP switch 1 is in the OFF (default) posion. This sets the maximum outdoor temperature the boiler will re in CH mode.
31
Allowed Indirect Tank Temperature Drop before Firing (with Thermistor)
5.4°F (3°C) 10.8°F (6°C) 16.2°F(9°C) 21.6°F(12°C)
*This parameters is available when Indirect Tank "In Use" is selected on DIP switch 3 and when Indirect Tank Control "Thermistor" selected on DIP switch 4.
30
Indirect Tank Supply Temperature with Thermostat Control
180°F (82°C) 160°F (71°C) 140°F (60°C)
*This parameters is available when Indirect Tank "In Use" is selected on DIP switch 3 and when Indirect Tank Control "Thermostat" selected on DIP switch 4.
Indirect Tank Supply Temperature with Thermistor Control
180°F (82°C)
Seng
Temperature +18°F
(+10°C)
Seng
Temperature
+27°F (+15°C)
*This parameters is available when Indirect Tank "In Use" is selected on DIP switch 3 and when Indirect Tank Control "Thermistor" selected on DIP switch 4.
32
Indirect Tank Operaon Opon
Use Pump Use 3-Way Valve
*This parameters is available when Indirect Tank "In Use" is selected on DIP switch 3. When a 3 Way Valve and the boiler pump are to be used for recovering the
indirect tank select “b”.
33
Indirect Tank Simultaneous Heang
Indirect Tank
Priority
Simultaneous Heang
with Indirect Tank and
CH
*This parameters is available when Indirect Tank "In Use" is selected on DIP switch 3 and when "Use Pump" is selected in Parameter 32.
34
Indirect Tank Priority Time
60 minutes 40 minutes 90 minutes
*This parameters is available when Indirect Tank "In Use" is selected on DIP switch 3.
35
CH Temperature Limitaon to Allow Simultaneous Operaon with Indirect Tank
Yes No
*This parameters is available when Indirect Tank "In Use" is selected on DIP switch 3 and when "Use Pump" is selected in Parameter 32 and also when selecng
"Simultaneous Heang with Indirect Tank and CH" in Parameter 33.
40
Linked Operaon Between CH Pump 1 and 2
No Yes (Linked Together)
This parameter enables linked operaon between the CH Pump 1 and 2. (default).
41
Linked Operaon Between Main Boiler Pump and CH Pump 1
No Yes (Linked Together)
This enables the linked operaon between the main boiler pump and CH pump 1.
42
Main Pump Runs When the Target Temperature is Achieved
Connuously Intervals
This selects the mode of the main pump running when the target setpoint is achieved.
43
External Pump Runs When the Setpoint Temperature is Achieved
Same as
Main Pump
Does Not
Run
This selects the mode of the external pump(s) running when the target setpoint is achieved.
44
External Pump Runs When Freeze Protecon is in Operaon
Does Not
Run
Same as Main Pump
(if selected, hydraulic
separaon is needed)
This selects how the external pump operates when freeze protecon is in operaon.
46
The Dierenal Temperature from Ceasing Fire to Firing Again
Normal Quick
How much temperature drop is permied by the supply water thermistor before the boiler will re again.
CH Seng Temperature
Temperature Drop
168-182°F (75-82°C)
27°F (15°C) 15°F (8°C)
104-166°F (40-74°C)
15°F (8°C) 9°F (5°C)
47
The Time Which the Boiler is not Allowed to Fire Again for CH
Normal (3
Minutes)
Quick(10 Seconds)
This selects the me which the boiler will not be able to re again for CH aer the burner has shutdown.
48
Heang Eco Mode On Time
30 Minutes 15 Minutes
The seng changes the on me of the heang Eco mode.
45
Freeze Protecon Level
Default
When Boiler is Installed
in a Warm Room
This selects the freeze protecon level. Selecng “b” will prevent the boiler from operang in freeze protecon mode more than believed necessary.
49
Will the boiler shut down on a high return water temperature
Yes No
This seng is for whether the boiler will shut down at high return water temperatures.
60
Not Available
Not Available
A0
Gas Type
Natural Gas Liquid Propane
For selecng gas type when conducng gas conversion.
A1
Not Available
Not Available
A2
Vent Material Used
PVC
Material other than
PVC:
CPVC/PP/Other
This selects the venng material used. The boiler is set from the factory to be installed in a PVC venng system. If CPVC, PP, or other approved venng is used, this
may be adjusted. See the secon on PVC Safety Switch for more informaon.
Record date and
parameter when
individual parameters
have been adjusted from
factory default.
NOTE
Electrical Diagram
Refer to the Wiring Diagram aached to the
back of the front cover.