Rinnai | MC 91 1A | Service manual | Rinnai MC 91 1A Service manual

INFINITY 16 e
INFINITY 20 e
SERVICE MANUAL
Rinnai High Capacity Continuous Flow Gas Hot Water System
Service Manual Infinity 16e and 20e
The Rinnai Infinity 32e and
Heavy Duty 70e water heater,
when correctly installed, comply
with the requirements of the
United Kingdom Water Regulations / Byelaws (Scotland).
These Products can be found
listed in the Water Fittings and
Materials Directory.
The Rinnai Infinity 32e water heater
is CE Marked for UK and Ireland as
allowed by Technigas of Belgium.
Certificate number E0715/5344
ID number 0461BO0715
Date of Issue 14 July 2003
Quality System Standard
ISO 9001 - 1994
The Design, Development, and Manufacture of Gas Water Heating Appliances
done under Rinnai’s Quality Management System is certified under the Quality
Management System Standard ISO 9001.
Registration Number JQ0003D
Registered since: February 1994
Certified by Japan Gas Appliances Inspection Association.
Service
Infinity
32e Manual
and HD70eInfinity
16e and 20e
Produced by Rinnai Technical Services Department
August 2004 - Issue 1.
No portion or part of this manual may be copied without prior permission from Rinnai U.K.
Rinnai U.K. reserves the right to make modifications and change specifications without notice.
WARNING
Failure to comply with these instructions may result in serious personal injury or damage to the
appliance.
ALL WIRING INSIDE THIS APPLIANCE MAY BE AT 230 VOLTS POTENTIAL
ALL SERVICE WORK MUST BE CARRIED OUT BY AN AUTHORISED PERSON.
DO NOT TEST FOR GAS ESCAPES WITH AN OPEN FLAME
This manual has been published by Rinnai U.K. Technical Services. While many individuals
have contributed to this publication, it will be successful only if you - the reader and customer find it useful. We would like to extend an invitation to users of this manual to make contact with
us, as your feedback and suggestions are valuable resources for us to include as improvements.
Rinnai are constantly working toward supply improved appliances as well as information, and
specifications may be subject to alteration at any time.
Issue No1
Service
Manual
Infinity 16e and 20e
Infinity 32e
and HD70e
Table of Contents
Glossary of Terms and Symbols ................................................................................ iv
1. Introduction ................................................................................................................ 1
2. Specifications ............................................................................................................. 2
3. Water Flow Rates and Pressures ................................................................................ 5
4. Dimensions ................................................................................................................ 8
5. Remote Controls ...................................................................................................... 10
6. Cutaway Diagram .................................................................................................... 13
7. Operational Flow Chart ........................................................................................... 15
8. Operation Principles ................................................................................................ 16
9. Main Components .................................................................................................... 17
10. Time Charts ............................................................................................................ 18
11. Wiring Diagram ..................................................................................................... 19
12. Dip Switch Settings ............................................................................................... 21
13. Fault Finding .......................................................................................................... 22
14. Component Circuit Value Table ............................................................................ 24
15. Component and Circuit Checks ............................................................................. 25
16. Maintenance Monitor / Error History .................................................................... 31
17. Gas Pressure Setting Procedure ............................................................................. 33
18. Gas Conversion Procedure ..................................................................................... 35
19. Dismantling for Service ......................................................................................... 36
20. Exploded Diagram ................................................................................................. 41
21. Parts List ................................................................................................................ 45
REU-V1616W ...................................................................................................................46
REU-V2018W ...................................................................................................................49
REU-V2020W ...................................................................................................................52
SERVICE CONTACT POINTS ............................................................................... 56
Service
Manual Infinity
16e and 20e/ REU-V2020W - iii Infinity REU-V1616W
/ REU-V2018W
Issue 1 - 10/10/03 ©Rinnai
Glossary of Terms and Symbols
dB(A)
-
sound pressure level in decibels, “A” range
DC
-
direct current
AC
-
alternating current
WFCD
-
water flow control device
FB
-
feedback information
FF
-
feedforward information
Hz
-
Hertz
IC
-
integrated circuit
kcal/h
-
kilocalorie per hour
kPa
-
kilopascals
LED
-
light emitting diode
L/min
-
Litres per minute
mA
-
milliamps
MJ/h
-
megajoule per hour
mm
-
millimetres
mmH2O -
millimetres of water (gauge pressure)
OHS
-
overheat switch
PCB
-
printed circuit board
CPU
-
central processing unit
POT
-
potentiometer
rpm
-
revolutions per minute
SV
-
solenoid valve
ø
-
diameter
∆ oC
-
temperature rise above ambient
POV
-
modulating valve
TE
-
thermal efficiency
TH
-
thermistor
TIN
-
temperature of incoming water
TOUT
-
temperature of outgoing water
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- iv -
Issue 1 - 10/10/03 ©Rinnai
1. Introduction
The Rinnai V-Series hot water units represents the latest technology in continuous flow, temperature
controlled hot water.
Features
• The Infinity 16e and Infinity 20 NEVER RUNS OUT of hot water. Whilst electricity, water and
gas supplies are connected, hot water is available whenever hot water taps are open.
• Built into the main micro-processor is the facility to LIMIT THE MAXIMUM TEMPERATURE of
the hot water supplied. The water temperature may be limited to various maximum temperatures. This
is particularly useful when the hot water unit is installed where young children or the infirm may be
using the hot water. The Infinity is delivered with a maximum preset temperature of 55ºC. If required,
the temperature limits can be changed by a service technician. For further information, please contact
Rinnai.
• The Infinity is a power flued appliance. It is COMPACT, saving both floor and wall space.
• The temperature of outgoing hot water is CONSTANTLY MONITORED by a BUILT-IN SENSOR. If
the temperature of the outgoing hot water rises to more than 3ºC above the selected temperature shown
on the Digital Monitor (or the pre-set limit when Remote Controls are not fitted), the burner will
automatically go out. The burner will ignite again once the outgoing hot water temperature falls below
the temperature shown on the Digital Monitor (or the pre-set limit).
• The burner lights automatically when the hot water tap is opened, and goes out when the tap is closed.
IGNITION IS ELECTRONIC, therefore there is not pilot light. When the hot water tap is off, no gas is
used.
• ‘Standard’ Remote Controllers are available as an optional extra. Depending on the models chosen,
these offer the following additional features :
- Localised Temperature Control for up to one kitchen and two bathroom controllers
• Temperatures selected at the controllers are retained in the SYSTEM MEMORY.
• Operating NOISE LEVEL IS VERY LOW.
• ERROR MESSAGES ARE DISPLAYED on the Remote Controllers, assisting with service.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
-1-
Issue 1 - 10/10/03 ©Rinnai
2. Specifications
6[RG QH CRRNKCPEG
1RGTCVKQP
'ZJCWUVU[UVGO
6GORGTCVWTGEQPVTQNNGFEQPVKPWQWUHNQYICUJQVYCVGTU[UVGO
9KVJYKVJQWVTGOQVGEQPVTQNUOQWPVGFKPMKVEJGPDCVJTQQOGVE
(QTEGF(NWG
4KPPCKOQFGNPWODGT
+PHKPKVy e
+PUVCNNCVKQP
&KOGPUKQPU
'ZVGTPCNN[ OQWPVGF
9KFVJ 㧙OO
*GKIJV 㧙OO
&GRVJ 㧙OO
9GKIJV /CZKOWO/KPKOWO ICU EQPUWORVKQP
M91WVRWV
MKNQITCOU
0CVWTCNICU㧦㨪/,J
㨪M9
2TQRCPGICU㧦㨪/,J 㨪M9
M9
%QPPGEVKQPU
)CUEQPPGEVKQP 㧙in
%QNFYCVGTEQPPGEVKQP 㧙in
*QV YCVGTEQPPGEVKQP 㧙in
+IPKVKQPU[UVGO &KTGEVGNGEVTQPKEKIPKVKQP
'NGEVTKECNEQPUWORVKQP
0QTOCN 㧙㨃
5VCPFD[ 㧙㨃㧔9+6*4GOQVGEQPVTQN㧕
#PVKHTQUV RTQVGEVKQP㧙㨃
VQ .OKP
RRO
-KVEJGPEQPVTQNNGT㧦㨪͠
$CVJTQQOEQPVTQNNGT㧦㨪͠
͠‫
͠ޔ͠ޔ͠ޔ‬HCEVQT[UGVVKPI‫͠ޔ͠ޔ‬
㧔5GVD[EQODKPCVKQPQH&KRUYKVEJGUQP2%$㧕
5KOWNCVKQPHGGFHQTYCTFCPFHGGFDCEM
9CVGTHNQYUGPUQT㧘'NGEVTQPKEYCVGTHNQYEQPVTQNFGXKEG
*QVYCVGTECRCEKV[㧔4CKUGF͠ 㧕
6JGTOCNGHHKEKGPE[
01:CH
6GORGTCVWTGTCPIG
YKVJTGOQVG
&GHCWNV VGORGTCVWTG EQPVTQN
YKVJQWVTGOQVG
9CVGT6GORGTCVWTGEQPVTQN
9CVGTHNQYEQPVTQN
/KPKOWOQRGTCVKPIYCVGTRTGUUWTG
0QOKPCNQRGTCVKPIYCVGTRTGUUWTG
/KPKOWOQRGTCVKPIYCVGTHNQY
/CZKOWOQRGTCVKPIYCVGTHNQY
2QYGTUWRRN[
5CHGV[ FGXKEG
4GOQVG EQPVTQN㧔QRVKQPCN㧕
%CDNG
QRVKQPCN㧕
.bar
.bar㨪.bar
.OKP
.OKP
#RRNKCPEG㧙#%8QNVU *\
4GOQVG%QPVTQN㧙&%8QNVU㧔&KIKVCN㧕
(NCOGHCKNWTG
㧙(NCOGTQF
$QKNFT[
㧙9CVGTHNQYUGPUQT
4GOCKPKPIHNCOG 㧔1*5㧕 㧙͠DKOGVCNUYKVEJ
1XGTVGORGTCVWTG
㧙͠NQEMQWVVJGTOKUVQT
(WUKDNGNKPM
㧙͠6JGTOCN(WUG
2TGUUWTG TGNKGH XCNXG 㧙1RGPU .bar㧘ENQUGU .bar
%QODWUVKQPHCPTROEJGEM 㧙+PVGITCVGFEKTEWKVU[UVGO
1XGT EWTTGPV
㧙)NCUUHWUG 㧔 #OR㧕
-KVEJGPEQPVTQN
㧙/%#
$CVJTQQOEQPVTQN
㧙/%#
5GEQPFDCVJTQQOEQPVTQN
㧙/%#
0QPRQNCTK\GFVYQEQTGECDNG
Note 1: The default factory setting is 55º C for 16e. The unit can be ordered from Rinnai to be pre-set to
any of the other temperatures listed. The unit can be pre-set to any of the temperatures listed by a suitably
qualified person.
Controllers are available with default temperatures up to 75º C. When fitted with controllers, only
temperatures not exceeding the default temperatures can be selected. When fitted without controllers, the
unit will deliver water at the default temperature.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
-2-
Issue 1 - 4/12/03 ©Rinnai
Infinity 20e
6[RG QH CRRNKCPEG
1RGTCVKQP
'ZJCWUVU[UVGO
6GORGTCVWTGEQPVTQNNGFEQPVKPWQWUHNQYICUJQVYCVGTU[UVGO
9KVJYKVJQWVTGOQVGEQPVTQNUOQWPVGFKPMKVEJGPDCVJTQQOGVE
(QTEGF(NWG
+PHKPKV[ e
4KPPCKOQFGNPWODGT
+PUVCNNCVKQP
'ZVGTPCNN[ OQWPVGF
&KOGPUKQPU
9KFVJ 㧙OO
*GKIJV 㧙OO
&GRVJ 㧙OO
9GKIJV MKNQITCOU
/CZKOWO/KPKOWO ICU EQPUWORVKQP 0CVWTCNICU㧦㨪/,J 㨪M9
2TQRCPGICU㧦㨪/,J
㨪M9
M91WVRWV
M9
%QPPGEVKQPU
)CUEQPPGEVKQP 㧙4 in
%QNFYCVGTEQPPGEVKQP 㧙4in
*QV YCVGTEQPPGEVKQP 㧙4in
+IPKVKQPU[UVGO &KTGEVGNGEVTQPKEKIPKVKQP
'NGEVTKECNEQPUWORVKQP
0QTOCN 㧙㨃
UVCPFD[ 㧙㨃㧔9+6*4GOQVGEQPVTQN㧕
#PVKHTQUV RTQVGEVKQP㧙㨃
*QVYCVGTECRCEKV[㧔4CKUGF͠ 㧕
VQ .OKP
6JGTOCNGHHKEKGPE[
01:CH
RRO
6GORGTCVWTGTCPIG
-KVEJGPEQPVTQNNGT㧦㨪͠
YKVJTGOQVG
$CVJTQQOEQPVTQNNGT㧦㨪͠
&GHCWNV VGORGTCVWTG EQPVTQN
͠‫
͠ޔ͠ޔ͠ޔ‬HCEVQT[UGVVKPI‫͠ޔ͠ޔ‬
YKVJQWVTGOQVG
㧔5GVD[EQODKPCVKQPQH&KRUYKVEJGUQP2%$㧕
9CVGT6GORGTCVWTGEQPVTQN
5KOWNCVKQPHGGFHQTYCTFCPFHGGFDCEM
9CVGTHNQYEQPVTQN
9CVGTHNQYUGPUQT㧘'NGEVTQPKEYCVGTHNQYEQPVTQNFGXKEG
/KPKOWOQRGTCVKPIYCVGTRTGUUWTG
0QOKPCNQRGTCVKPIYCVGTRTGUUWTG
/KPKOWOQRGTCVKPIYCVGTHNQY
/CZKOWOQRGTCVKPIYCVGTHNQY
2QYGTUWRRN[
.bar
. bar 㨪 . bar
.OKP
.OKP
#RRNKCPEG㧙#%8QNVU *\
4GOQVGEQPVTQN㧙&%8QNVU㧔&KIKVCN㧕
(NCOGHCKNWTG
㧙(NCOGTQF
$QKNFT[
㧙9CVGTHNQYUGPUQT
4GOCKPKPIHNCOG 㧔1*5㧕 㧙͠DKOGVCNUYKVEJ
5CHGV[ FGXKEG
1XGTVGORGTCVWTG
㧙͠NQEMQWVVJGTOKUVQT
(WUKDNGNKPM
㧙͠6JGTOCN(WUG
2TGUUWTG TGNKGH XCNXG 㧙1RGPU .bar㧘ENQUGU .bar
%QODWUVKQPHCPTROEJGEM 㧙+PVGITCVGFEKTEWKVU[UVGO
1XGT EWTTGPV
㧙)NCUUHWUG 㧔 #OR㧕
4GOQVG EQPVTQN㧔QRVKQPCN㧕 -KVEJGPEQPVTQN
㧙/%#
$CVJTQQOEQPVTQN
㧙/%#
5GEQPFDCVJTQQOEQPVTQN 㧙/%#
%CDNG
QRVKQPCN㧕
0QPRQNCTK\GFVYQEQTGECDNG
Note 1: The default factory setting is 55° C for Infinity 20e. The unit can be ordered
from Rinnai to be pre-set to any of the other temperatures listed. The unit can be pre-set to any of the
temperatures listed by a suitably qualified person.
Controllers are available with default temperatures up to 75º C. When fitted with controllers, only temperatures
not exceeding the default temperatures can be selected. When fitted without controllers, the unit will deliver
water at the default temperature.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
-3-
Issue 1 - 4/12/03 ©Rinnai
Sensors and Safety Devices
•
Heat Exchanger Thermistor: Measures hot water temperature at heat exchanger outlet. If water
temperature reaches a predetermined limit, gas supply is stopped.
•
Hot Water Delivery Thermistor: Measures hot water temperature at the outlet valve (i.e. the ‘mixed’
temperature).
•
Flame Rod: Monitors combustion characteristics inside the combustion chamber. If the flame fails, gas supply is
stopped.
•
Overheat Switch: Situated on the heat exchanger, gas supply is stopped when water temperature reaches 97 ° C
for a number of seconds.
•
Fusible Link: Situated on the heat exchanger, electrical power supply is stopped if the temperature exceeds
129 ° C.
•
Water Pressure Relief Valve: Safeguards the water circuit against excessive inlet pressure. Opens at 20.6 bar,
closes at 14.7 bar.
•
Electrical Fuse: (3A glass fuse) prevents against over-current.
Surge Protector: prevents against over-current.
•
Boil Dry Prevention: If water flow sensor detects no flow, gas supply is stopped.
•
Combustion Fan Speed Sensor: In case of combustion fan defect (no rotation of fan) gas supply is stopped.
• Temperature Cutout: If the delivered hot water temperature rises above the required delivery
temperature for a number of seconds, the gas supply is stopped.
Combustion Specifications - 16e
Gas Type
Injector
Size (mm)
Upper /
[Lower]
Nominal TPP (kPa) **
Gas Input (MJ/hr)
Low
High
Low
High
Natural
ø 0.85
[ø 1.30]
0.181
2.05
0.883
1.13
18.8
125
Propane
ø 0.7
[ø 1.05]
0.178
2.75
0.814
2.75
18
125
Combustion Specifications - 20e
Gas Type
Injector
Size (mm)
Upper /
[Lower]
Nominal TPP (kPa) **
Gas Input (MJ/hr)
Low
High
Low
High
Natural
ø 0.85
[ø 1.3]
0.181
2.05
0.922
1.13
20
160
Propane
ø 0.7
[ø 1.05]
0.187
2.75
0.827
2.75
21
160
** The TPP is measured with the cover off the appliance at the regulator test point with supply pressures
of 20 mbar (NG) and 37 mbar (Propane).
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
-4-
Issue 1 - 4/12/03 ©Rinnai
3. Water Flow Rates and Pressures
Water Flows
Table 1 shows unmixed and mixed water flow rates and approximate gas consumptions for various
temperature rises. The unmixed flow rates are the flow rates available at the given temperature rise directly
at the outlet of the water heater. The mixed water flow rates are available at the given temperature rise by
mixing hot water from the outlet of the water heater with cold water from the mains supply.
Water Flows can also be calculated by the following formula :
Q = Heat energy available in kW = 28 kW for the 16e
C = Specific heat of water = 4.2KJ/Kg ° C. C does not change for the purpose of this calculation.
∆ T = Temperature rise required ( ° C)
Example:
What is the flow rate available with an incoming water temperature of 10 ° C and a required temperature of
20 ° C?
∆ T = 20 - 10 = 10 ° C
Q = 28
C = 4.2
M = 60 x ( 28 / (4.2 x 10) ) = 40 l/min. Since 40 is greater than 16 this flow rate is mixed. This result
corresponds with the value in Table 1.
20e
Q = Heat energy available in kW = 36 kW for the 20e
C = Specific heat of water = 4.2 KJ/Kg ° C. C does not change for the purpose of this calculation.
∆ T = Temperature rise required ( ° C)
Example:
What is the flow rate available with an incoming water temperature of 10 ° C and a required temperature of
20 ° C?
∆ T = 20 - 10 = 10 ° C
Q = 28
C = 4.2
M = 60 x ( 28 / (4.2 x 10) ) = 40 l/min. Since 40 is greater than 20 this flow rate is mixed. This result
corresponds with the value in Table 1.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
-5-
Issue 1 - 10/10/03 ©Rinnai
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
0.33
0.27
21-160
REU-V2020W
-6-
21-160
REU-V2020W
0.19
0.15
18-125
20-125
REU-V1616W
Models (All Pre-set Temperatures)
L/sec
0.33
0.27
Approx.
Min / Max
Gas Input
(MJ/hour)
Temp
Rise (º C)
18-125
20-125
Approx. Min
/ Max Gas
L/sec
Input
(MJ/hour)
REU-V1616W
Models (All Pre-set Temperatures)
21-160
REU-V2020W - Ext.
Temp
Rise (º C)
18-125
20-125
REU-V16eW - Ext.
Models (All Pre-set Temperatures)
Approx. Min
/ Max Gas
L/sec
Input
(MJ/hour)
Temp
Rise (º C)
11.4
9
L/min
20
16
L/min
20
16
L/min
684
540
L/hr
45
1200
960
L/hr
25
1200
960
L/hr
5
42
29
Min Water
Pressure
(kPa)
115
72
Min Water
Pressure
(kPa)
115
72
Min Water
Pressure
(kPa)
160
125
Approx
Gas
Cons.
(MJ/h)
155
125
Approx
Gas
Cons.
(MJ/h)
31
25
Approx
Gas
Cons.
(MJ/h)
20
16
17.4
13.2
0.17
0.13
10.2
8
L/sec L/min
0.29
0.22
L/sec L/min
0.33
0.27
L/sec L/min
612
480
L/hr
1044
792
L/hr
1200
960
L/hr
35
24
Min Water
Pressure
(kPa)
50
87
60
Min Water
Pressure
(kPa)
30
115
72
Min Water
Pressure
(kPa)
10
160
125
Approx
Gas
Cons.
(MJ/h)
160
125
Approx
Gas
Cons.
(MJ/h)
62
50
Approx
Gas
Cons.
(MJ/h)
0.16
0.12
L/sec
0.25
0.19
L/sec
0.33
0.27
L/sec
9.6
7.2
L/min
15
11.4
L/min
20
16
L/min
576
434
L/hr
29
21
Min Water
Pressure
(kPa)
64
44
Min Water
Pressure
(kPa)
55
900
684
L/hr
115
72
Min Water
Pressure
(kPa)
35
1200
960
L/hr
15
160
125
Approx
Gas
Cons.
(MJ/h)
160
125
Approx
Gas
Cons.
(MJ/h)
93
75
Approx
Gas
Cons.
(MJ/h)
0.14
0.11
L/sec
0.22
0.17
L/sec
0.33
0.27
L/sec
8.4
6.6
L/min
13.2
10.2
L/min
20
16
L/min
504
396
L/hr
26
20
Min Water
Pressure
(kPa)
50
35
Min Water
Pressure
(kPa)
60
792
612
L/hr
115
72
Min Water
Pressure
(kPa)
40
1200
960
L/hr
20
160
125
Approx
Gas
Cons.
(MJ/h)
160
125
Approx
Gas
Cons.
(MJ/h)
124
100
Approx
Gas
Cons.
(MJ/h)
Table 1: Approximate Water Flows & Gas Usage - 16e / 20e
Issue 1 - 10/10/03 ©Rinnai
Water Pressure
As seen in the table below a minimum supply pressure of .80 bar is required to operate at the rated flow of
16 L/min. In an actual installation, pressure losses in the plumbing system also need to be considered.
9#6'424'5574'81.7/'
9#6'481.7/'
.OKP
Infinity 20e
Infinity 16e
0.75
1.2
1.0
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
2.0
9#6'424'5574'
bar
-7-
3.0
4.0
Issue 1 - 10/10/03 ©Rinnai
4. Dimensions
16e
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
-8-
Issue 1 - 10/10/03 ©Rinnai
20e
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
-9-
Issue 1 - 10/10/03 ©Rinnai
5. Remote Controls
Remote Controls
Remote Controllers are an optional extra. 'Standard' controllers can be fitted.
Standard controllers allow temperature selection only. For detailed information
regarding controller operation refer to the 'How to use your water heater' booklet
supplied with the appliance. Other manufacturers' controllers are NOT
compatible with this appliance.
120
MC-91-1A
Standard Controller (Model MC-91)
Up to 3 Standard Controllers can be fitted to the appliance. They are normally
installed in the areas where the majority of hot water is used, for example, the
kitchen, bathroom, ensuite and laundry.
20
90
Positioning of Controllers
Controllers must be installed in shaded and clean locations. They should be fitted out of reach of children
(suggested height from floor at least 1500mm). Controllers are water resistant, however, durability is
improved when positioned outside the shower recess or at least 400mm above the highest part of a sink,
basin or bath.
DO NOT INSTALL THE CONTROLLERS
• NEAR A HEAT SOURCE, SUCH AS A COOK TOP, STOVE OR OVEN. HEAT, STEAM,
SMOKE AND HOT OIL MAY CAUSE DAMAGE
• IN DIRECT SUNLIGHT
• OUTDOORS UNLESS AN ENCLOSURE IS PROVIDED WHICH PROTECTS THE
CONTROLLER AGAINST SUNLIGHT AND DUST INGRESS.
• AGAINST A METAL WALL UNLESS THE WALL IS EARTHED IN ACCORDANCE
WITH LOCAL REGULATIONS.
Remote Controller Connection
Remote controls operate at extra low voltage (12 Volts DC) which is supplied from the appliance.
Controllers are supplied with 15 m of electrical cable. The cable wires for connection to the appliance are
fitted with spade terminals.
Extension cables are available from Rinnai. Alternatively, a two core sheathed (double insulated) flex with
minimum cross-sectional area of 0.5 mm² can be used. Maximum cable length is 50 m.
For connection refer to the “CONNECTING REMOTE CONTROL CABLES” section.
If the front cover of the appliance contains the following text install it in accordance with Diagram 1 below:
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 10 -
Issue 1 - 10/10/03 ©Rinnai
Water Heater and Controller installation configurations
"THIS APPLIANCE DELIVERS WATER
NOT EXCEEDING 50ºC"
50º C
H
O
T
C
O
L
D
KITCHEN
Temperature
controller
(optional)
LAUNDRY
Temperature
controller
(optional)
BATHROOM
Temperature
controller
(optional)
G
A
S
Diagram 1. 50º C Appliance
If the front cover of the appliance does NOT contain the above text install it in accordance with Diagram 2:
H
O
T
C
O
L
D
Temperature
controller
(optional)
Temperature
controller
(optional)
Temperature
controller
(optional)
KITCHEN
LAUNDRY
BATHROOM
TLD
G
A
S
Diagram 2. Not a 50º C Appliance
Note: TLD = Temperature Limiting Device.
IMPORTANT: If the appliance is to deliver water primarily for the purposes of personal hygiene in an
early childhood centre, primary or secondary school, nursing home or similar facility for young, aged, sick
or disabled persons a Temperature Limiting Device (TLD), such as a Tempering Valve, may
be required even if the appliance is set to 50º C or less. For these types of
applications contact Rinnai UK.
Connecting remote control cables
Do not attempt to connect the remote control cable terminals to the appliance with the power on.
RISK OF ELECTRICAL SHOCK.
Connecting One or Two Controllers
1. Isolate the power supply
2. Remove the front cover from the Appliance (4 screws) fig. 1.
3. Thread the cable(s) through the cable access hole at the base of the
appliance.
4. Connect the spade connectors to the terminals marked "Remote
Control" on the printed circuit board (fig. 2). Polarity is not
important. Either wire colour can be connected to either terminal.
5. Replace cover of the Appliance. Ensure that the screw with the star
washer is placed at the bottom right hand corner for earthing
purposes.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 11 -
fig.1.
Issue 1 - 10/10/03 ©Rinnai
Connecting Three Controllers
6. Isolate the power supply
7. Remove the front cover from the Appliance (4 screws) fig.1.
8. Cut the spade connectors from 2 of the controller cables to be
connected to the appliance (4 spade connectors should be cut off)
and discard. Connect the wires from these two cables and terminate
into two new spade connectors as shown in fig.3. Spade connectors
are available from your local electrical component retailer.
9. Thread the 3 cables through the cable access hole at the base of the
appliance. Connect the 4 spade connectors to the terminals marked
"Remote Control" on the printed circuit board (fig.2). Polarity is
not important. Either wire colour can be connected to either
terminal.
10.Replace cover of the Appliance. Ensure that the screw with the star
washer is placed at the bottom right hand corner for earthing
purposes.
For the Controller in the ‘KITCHEN’ only, press and hold the ‘Transfer’ and ‘On/Off’ buttons
simultaneously (see fig. 1) until a ‘beep’ is heard (approximately 5 seconds).
Question 2: Is your water heater labelled "THIS APPLIANCE DELIVERS WATER
NOT EXCEEDING 50° C ” On the front cover ?
IF YES:
No further action required.
IF NO:
You will need to program the Kitchen controller to enable selection of temperatures higher than
50º C.
STEP 1:
For the controller in the KITCHEN only, press and hold the 'Transfer' and 'On/Off' buttons
simultaneously (see fig 1.) until a 'beep' is heard (approximately 5 seconds).
STEP 2:
When the controller fitted in the KITCHEN is switched on, it should be possible to select temperatures
higher than 50º C. If not, repeat Step 1.
Note:
• If the kitchen controller is replaced, repeat STEP 1 above for the replacement controller
• If the kitchen controller is swapped with another controller (for example, the controller fitted
in a bathroom), repeat STEP 1 for the controller moved from the kitchen to the bathroom.
Then perform STEP 1 for the controller moved from the bathroom to the kitchen.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 12 -
Issue 1 - 10/10/03 ©Rinnai
6. Cutaway Diagram
16e
Part No.
1
2
3
4
5
6
7
8
9
10
Description
Casing Assembly
Front Panel Assembly
Flue Outlet
Overheat Switch
Heat Exchanger
Thermal Fuses
Electrode
Flame Rod
Main Burner
Combustion Chamber Front
Plate Assembly
Part No.
11
12
13
14
15
16
17
18
19
Description
Manifold Assembly
Transformer
P.C.B.
Gas Control Assembly
Gas Connection
Water Filter Assembly
Water Inlet
Water Flow Sensor
Surge Protector
20
Pressure Relief Valve
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 13 -
Part No.
21
22
23
24
25
26
27
28
29
30
Description
Hot Water Outlet
Ongoing Water Thermistor
Anti-Frost Heater
Water Flow Control Device
Frost Sensing Switch
Combustion Fan
Igniter
Water Connecting Pipe
Hot Water Connecting Pipe
By-pass Pipe
Issue 1 - 10/10/03 ©Rinnai
20e
Part No.
1
2
3
4
5
6
7
8
9
10
Description
Casing Assembly
Front Panel Assembly
Flue Outlet
Overheat Switch
Heat Exchanger
Thermal Fuses
Electrode
Flame Rod
Main Burner
Combustion Chamber Front
Plate Assembly
Part No.
11
12
13
14
15
16
17
18
19
Description
Manifold Assembly
Transformer
P.C.B.
Gas Control Assembly
Gas Connection
Water Filter Assembly
Water Inlet
Water Flow Sensor
Surge Protector
20
Pressure Relief Valve
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 14 -
Part No.
21
22
23
24
25
26
27
28
29
30
Description
Hot Water Outlet
Ongoing Water Thermistor
Anti-Frost Heater
Water Flow Control Device
Frost Sensing Switch
Combustion Fan
Igniter
Water Connecting Pipe
Hot Water Connecting Pipe
By-pass Pipe
Issue 1 - 10/10/03 ©Rinnai
7. Operational Flow Chart
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 15 -
Issue 1 - 10/10/03 ©Rinnai
8. Operation Principles
Hot Water Operation
1. Ignition
•
•
•
Activate controllers (if fitted) and open the hot water tap (for full details regarding operation of controllers refer
to the ‘How To Use Your Water Heater’ booklet).
When water flows through the unit, the water flow sensor rotates and sends an electrical ‘pulse’ signal to the
Printed Circuit Board (PCB). This signal is proportional to the water flow rate.
The PCB sends electrical current to the combustion fan motor causing it to turn. The fan motor sends an electrical
pulse signal to the PCB. If fan rotation is OK, the main solenoid and changeover solenoid valves open as
required, the spark generator activates and the spark electrode ignites the burner.
2. Water Temperature / Flow Control / Volume Control
•
•
The PCB will automatically control operation of the internal components to achieve the programmed
temperature. When a high temperature rise is required, the PCB may cause the Water Flow Servo to close
partially resulting in a lower flow rate to achieve the programmed temperature. This is a necessary operational
feature of the unit.
When operating in ‘Bath Fill’ mode, the signal from the water flow sensor is also used by the PCB to compute
the volume of water that has been passed through the unit at any instant whilst the bath is filling.
3. Shut Down
•
•
When operating in ‘Bath Fill’ mode, the PCB causes the Water Flow Servo to close when the programmed Bath
Fill volume has passed through the unit. Alternatively, flow is stopped when the user closes the hot water tap.
When water flow stops, the water flow sensor stops rotating and the pulse signal to the PCB stops. The PCB then
causes the main solenoid and solenoid valves to close and the burner is extinguished. The combustion fan will
continue to operate for some time to purge the combustion chamber.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 16 -
Issue 1 - 10/10/03 ©Rinnai
9. Main Components
1) Printed Circuit Board
• The Printed Circuit Board controls all operational functions including Air Supply Control, Gas Control,
Water Flow Measurement, Water Flow Control, Combustion System and all sensors and safety devices.
2) Gas Flow Control
• During normal operation, the PCB keeps the main solenoid valve open whilst there is flow through the
unit and the burner needs to be lit.
• Gas flow rate is controlled by the modulating valve assembly and three changeover solenoid valves to
always ensure constant outlet water temperature, regardless of flow rate or incoming water temperature.
• The modulating valve is electronically controlled by the PCB using signals from the water flow sensor,
water flow control device, water temperature thermistors and combustion fan speed sensor. The
modulating valve directs gas to the three changeover solenoid valves.
• The three changeover solenoid valves direct gas to each of the two burner banks independantly. Any one
or two or both of the solenoid valves may be open during operation.
• Gas flow is modulated between 18 and 125 MJ/hr for REU-V1616W and between 20 and 160 MJ/hr for
REU-V2018W and REU-V2020W by a combination of the modulating valve and changeover solenoid
positions.
• The maximum gas rate is predetermined and the appliance cannot be overloaded when correctly
installed.
3) Water Flow Control
• Water flow is detected by a turbine coupled to a magnetic pulse generating device. The magnetic pulses
are detected and counted by the PCB. The PCB calculates the exact water flow from the frequency of
pulses generated by the turbine. A minimum flow rate of 2.4 L/min. is required for the burner to ignite.
• Water flow control is achieved through the use of servo driven water flow and fixed bypass. Servo
motor is controlled by the PCB. The ‘Water Flow Valve’ restricts the flow of water into the heat
exchanger assembly if the programmed temperature cannot be achieved. During normal operation, cold
water from the inlet valve is mixed with hot water from the heat exchanger outlet.
• The ‘Bypass’ mixes cold and hot water to ensure hot water delivery temperature over the available range
of flow rates.
4) Air Supply Control
• Air for combustion is supplied by a centrifugal fan driven by a variable speed DC motor. The voltage to
the motor is determined by the PCB based on water flow, delivered water temperature and programmed
water temperature. The actual fan speed is monitored by a magnetic pulse counter. This counter emits a
signal to the PCB. From the voltage supplied to the DC motor and the fan speed signal, the PCB
determines whether an error condition exists with the fan.
5) Combustion System
The combustion chamber is housed within the heat exchanger assembly and comprises:
• Aluminium alloy manifold with a total of 28 integral injectors. Gas flow to each chamber is controlled
by an electronic solenoid valve (refer ‘Gas Flow Control’ above).
• A burner assembly comprising fourteen identical modular stainless steel bunsen burners secured by an
aluminised steel framework. The manifold is attached to the front of the burner module. Each bunsen
burner is supplied by two injectors.
• A combustion chamber. Integrated into the combustion chamber front panel are the flame rod and two
ignition electrodes.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 17 -
Issue 1 - 10/10/03 ©Rinnai
10. Time Charts
Normal Combustion
Mis-Ignition / Flame Failure
Abnormal Pre-Purge (Air Supply/Exhaust Blockage)
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 18 -
Rinnai
11. Wiring Diagram
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 19 -
Issue 1 - 10/10/03 ©Rinnai
12. Dip Switch Settings
Dip Switch Settings 16e, 20e
Dip Switches explained
Gas Type
Bank 1
off
Bank 1
on
off
SW1
SW2
1 2 3
1 2 3 4
Temperatures (See Page 2)
Bank 2
off
on
Gas Type
LPG
Bank 1
on
off
SW1
on
SW2
1 2 3 4
1 2 3 4
Model settings
Gas Pressure Settings
Natural Gas
Temperature settings with or without controllers.
Bank 1
off
Bank 1
on
off
SW1
55°C
Bank 1
on
off
SW1
on
SW1
1 2 3 4
1 2 3 4
43°C
Bank 1
off
SW1
1 2 3 4
1 2 3 4
40°C
Bank 1
off
on
65°C
Bank 1
on
off
SW1
on
SW1
1 2 3 4
1 2 3 4
50°C
75°C
Model Settings
Gas Pressure Settings
Bank 2
Bank 2
off
on
off
SW1
1 2 3 4
1 2 3 4
on
off
SW1
on
Forced Low Combustion
SW1
1 2 3 4
1 2 3 4
Computer Setting
Forced High Combustion
Bank 2
Bank 2
off
SW1
Bank 2
Bank 2
off
on
Computer Setting
on
off
SW1
Legend (Black section indicates position
of switch)
off
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
on
on
SW1
1 2 3 4
1 2 3 4
Computer Setting
Normal Combustion
off on
- 21 -
Issue 1 - 10/10/03 ©Rinnai
13. Fault Finding
If there is a fault with the appliance, and controllers are installed, a numerical fault code may appear on the
digital display controller. If controllers are not installed, one may be fitted to find out the fault code. Fault
finding without controllers (and thus fault codes) is possible but more time consuming.
To diagnose and rectify faults, the Fault Finding Table is used as illustrated below:
Fault Finding Table
Describes possible faults
and error codes.
(page 23)
Operational
Flow Chart
(page 15)
Component Circuit Value Table
Summarises running and standby electrical values
for all components.
(page 24)
Wiring Diagram
(page 19)
Maintenance
Monitor / Error
History
Provides accumulated
number of startups,
combustion time, history
of operational faults and
readout of electrical
values whilst unit
operational.
(page 31)
Component and
Circuit Check
Procedures
Detailed information
on how to check all
components.
(page 25)
Dismantling for
Service
Detailed information on
how to remove and
replace components.
(page 36)
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 22 -
Issue 1 - 10/10/03 ©Rinnai
Fault Finding Table
Code on Controller
Fault
03
Power interruption during Bathfill. Water will not
flow when power restored.
10
Combustion fan current too high. Unit operates,
then stops.
Table
E
No ignition. Unit stops without flame igniting
11
C
Flame Failure / Earth Leakage
12
Thermal fuse and/or overheat switch activated.
Unit operates, then stops.
14
Over temperature warning. Unit operates, then
stops.
C
D
B
A
16
32
Outlet water thermistor flow
33
Heat exchanger thermistor error
52
61
65
71
72
Modulating solenoid valve fault. Unit stops
without flame ignition.
Combustion fan rotation error
Water flow control device error. Water flow is not
controlled. Water temperature too low.
Solenoid valve circuit error. Unit does not operate.
A
A
C
E
B
No combustion despite remote control indicating
that combustion is occuring - if remote
controller(s) fitted.
4. Check water flow sensor
5. Check water flow servo
6. Check heat exchanger outlet temperature thermistor
7. Check hot water outlet temperature thermistor
Check hot water outlet thermistor
Check heat exchanger thermistor
Check modulating solenoid valve
Check combustion fan
Check water flow servo
C
Check gas valves
C
Check flame rod
1. Check power cord plugged in and supply turned on.
2. Check power supply voltage.
3. Check electrical fuse.
4. Check transformer.
5. Check gas valves
D
6. Check sparker unit.
7. Check earth leads and connections.
8. Check for short circuits.
9. Check remote controller(s) - if fitted.
1. Check water flow sensor.
Flame rod circuit error. Unit does not operate.
Appliance does not operate at all. No display on
the remote controllers (if fitted).
-
Action
1. Turn off all hot water taps.
1. Press the ON/OFF button on a controller twice.
1. Check blockage of air intake/flue outlet.
2. Check combustion fan.
1. Check gas supply
2. Check sparker unit
3. Check gas valves
1. Check gas supply
2. Check flame rod
3. Check earth wire lead
4. Check remote control
1. Check thermal fuse
2. Check overheat switch
IMPORTANT- If thermal fuse or overheat switch were faulty :
a. Check heater for damage
b. Confirm “Gas Type” and “Combustion” dip switch settings
(page 20)
c. Confirm test point pressures (page 33).
1. Confirm “Gas Type” and “Combustion” dip switch settings
(page 20)
2. Confirm test point pressure (page 33)
3. Check gas valves
2. Check flame rod.
A
A
E
3. Check heat exchanger outlet thermistor.
4. Check hot water outlet thermistor.
5. Check combustion fan.
6. Check the sparker unit.
-
C
7. Check gas valves.
A
8. Check thermal fuse.
9. Check overheat switch.
IMPORTANT - If thermal fuse or overheat switch were faulty:
a) check heater for damage;
b) confirm “Gas Type” and “Combustion” dip switch settings;
c) confirm test point pressure.
1. Check gas supply
2. Check flame rod
3. Check earth leads and connections.
1. Check hot water outlet thermistor.
Combustion stops during operation.
Cannot adjust the hot water temperature via the
controller(s) - only if controller(s) fitted.
2. Check heat exchanger outlet thermistor.
C
B
-
3. Check gas valves
4. Check water flow servo.
5. Check bypass servo.
-
Anti-frost heater does not operate.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
F
- 23 -
1. Check anti-frost heater components
2. Check frost sensing switch
Issue 1 - 10/10/03 ©Rinnai
14. Component Circuit Value Table
Measurement Point
Table reference
Component
Normal Value
CN
Surge Protection
Water Flow
Control Device
A Note
Wire Colour
B-Br
AC207~264V
R(CN2-NO.4)-B
±DC11~13V
(Only When Operating)
Operate Electricity
R(CN4-NO.5)-Bk
DC11~13V
Control Electricity
Below DC1V (Limiter On)
Bk-Y
G1
Full Open Position
DC4~6V (Limiter Off)
Below DC1V (Limiter On)
Bk-Br
Full Close Position
DC4~6V (Limiter Off)
3
8
Remote Control
D
Water Flow Sensor
B2
Combustion Fan
(TERMINAL)
DC11~13V
R-Bk
DC11~13V
Y-Bk GND
DC4~7V (Pulse 20~320Hz)
R-Bk
DC15~46V
Y-Bk
DC11~13V
A1
W-Bk
2
Flame Rod
B5
Y-FLAME ROD
Modulating Valve
B6
P-P
Outgoing Thermistor
B1
W-W
B3
Thermal Fuse
B4
7
1
10
10
DC5~10V (33~400Hz)
Over DC1µA
DC2~15V
65~85:
15° C··· 11.4 ~14.0k:
30° C··· 6.4 ~ 7.8k:
5° C··· 3.6 ~ 4.5k:
60° C··· 2.2 ~ 2.7k:
100° C··· 0.6 ~ 0.8k:
R-R
R-Bk
Below 1:
AC90~110V
C1
Gy-Gy
Main Solenoid Valve
E1
P-Bk
E2
B-Bk
E3
Y-Bk
F
R-R
F1
B-Br
31~36k:
F5
Y-Y
1k:
F6
Y-Y
125k:a156k:
Pipe Heater Only
Current
On High
On Ignition
660 ± 66mA
585 ± 59mA
297Hz / 4455rpm
279Hz / 4185rpm
180Hz / 2700rpm
180Hz / 2700rpm
Current
On High
On Ignition
845 ± 85mA
770 ± 77mA
308Hz / 4620rpm
290Hz / 4350rpm
195Hz / 2925rpm
195Hz / 2925rpm
Solenoid Valve 1
(Small)
Solenoid Valve 2
(Large)
DC80~100V
1.7~2.1k:
DC80~100V
1.7~2.1k:
DC80~100V
1.7~2.1k:
AC90~110V
11~13k:
Transformer
Pipe Heater
Fan Current
16e
Fan Current
20e
Gas
Type
Prop
Nat
Gas
Type
Prop
Nat
Gas Secondary Pressure
4
Flame Condition
Igniter
Valve Heater
10
GND
On 2.4L/min (33Hz)
Over 1980 PULSE/min
Off 1.7L/min (23Hz)
Below 1380 PULSE/min
Secondary
Gas Type
Primary
High
Low
Propane
Natural
37 mbar
20 mbar
8.1 mbar
8.8 mbar
1.8 mbar
1.8 mbar
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 24 -
Issue 1 - 10/10/03 ©Rinnai
15. Component and Circuit Checks
1. Combustion Fan Circuit
Check the Motor
Check the combustion fan if the error indicator displays “61”.
Measure voltages between Black and Red of the PCB connector (A).
Normal: DC15~46V (when fan ON)
DC0V (when fan OFF)
If normal proceed to check the rotation sensor
Faulty: Replace PCB
Check for the Fan Rotation Sensor
a.) Measure voltages between Black and Yellow of connector (A).
Normal: DC11~13V
If normal proceed to b.).
Faulty: Replace PCB.
b.) Measure voltages between Black and White of connector (A).
Normal: DC5~10V
If normal proceed to Sparker Circuit 2.
Faulty: Replace Combustion Fan.
2. Sparker Circuit
a.) Measure voltages between Grey and Grey of connector (C1).
Normal: AC90~110V
If Normal proceed to b.).
Faulty: Replace PCB.
b.) Disconnect connector (C1) and measure resistance between both terminals of the sparker.
Normal: 1MΩ
If not sparking, adjust or replace ignition plug.
Faulty: Replace Sparker.
3. Main Solenoid Valve (SV1) Circuit
Check the main solenoid if error indicator “11” is displayed.
a.) Disconnect Main Solenoid connector (E1) and measure resistance between Pink and Black
Normal: 1.7 ~2.1kΩ
If normal, proceed to b.).
Faulty: Replace Main Solenoid.
b.) Measure voltage between Pink-Black of Main Solenoid connector.
Normal: DC80~100V
If normal, proceed to Solenoid Valve SV2
Faulty: Replace PCB.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 25 -
Issue 1 - 10/10/03 ©Rinnai
4. Solenoid Valve 1 (SV2) Circuit
Check Solenoid 1 if error indicator “11” is displayed.
a.) Disconnect Solenoid 1 connector (E2) and measure resistance between Blue and Black.
Normal: 1.7 ~2.0kΩ
If normal, proceed to b.
Faulty: Replace Solenoid 1.
b.) Measure voltage between Blue and Black of Solenoid 1 connector.
Normal: DC80~100V
If normal, proceed to Solenoid Valve 2 (SV3) Circuit
Faulty: Replace PCB.
5. Solenoid Valve 2 (SV2) Circuit
a.) Disconnect Solenoid Valve 2 connector (E3) and measure resistance between Yellow and Black.
Normal: 1.7 ~2.1kΩ
If normal,, proceed to b.).
Faulty: Replace Solenoid Valve 2.
b.) Measure voltage between Yellow and Black of Solenoid Valve connector.
Normal: DC80~100V
If normal, proceed to Thermal fuse Circuit.
Faulty: Replace PCB.
6. Modulating Valve Circuit
a.) Disconnect Modulating Valve fasten terminals and measure resistance between terminals.
Normal: 65~85Ω
If normal, proceed to b.).
Faulty: Replace Modulating Valve.
b.) Measure voltage between Pink and Pink of Modulating Valve fasten terminal.
Normal: DC2.0~15V
If normal, proceed to c.).
Faulty: Replace PCB.
c.) Check the gas secondary pressure change when set temperature on the remote control changes
from 37°C to 55°C.
Normal: If secondary pressure changes, go to Water Flow Servo Circuit.
Faulty: Replace Modulating Valve.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 26 -
Issue 1 - 10/10/03 ©Rinnai
7. Flame Rod Circuit
Check flame rod.
Disconnect flame rod terminal (B5), and re-operate.
“72” indicated:- Proceed to 3.
“72” is not indicated:- check for electrical leaks from the flame rod.
Measure resistance between flame rod terminal (B5) and appliance earth.
Normal: >1MΩ
If normal, replace PCB.
Faulty: Replace flame rod.
a.) Remove the Flame Rod terminal (B5) repeat operation procedure, if “72” is displayed again
check the Hot water outlet thermistor.
If “72” is not displayed check current leakage from the Flame Rod.
b.) Measure voltage between body earth and Flame Rod terminal (B5).
Normal: Voltage AC100~160V
If normal, replaced PCB
Faulty: Replace Flame Rod.
c.) Check if the Flame Rod is securely fitted.
Normal: replace the PCB
Faulty: Adjust the fitting of the Flame Rod
8. Earth Lead
Confirm the Earth Lead connection is secure (at round terminal), and check for broken or short
circuits in the lead.
If normal, check other possible causes for flame failure (is gas valve open?, is the
filter blocked? etc.).
If faulty, tighten the earth lead, PCB, power cord and surge arrester.
9. Thermal Fuse Circuit
Check the Thermal Fuse.
Disconnect relay connector (B3,) and measure resistance between Black and Red.
Normal: < 1Ω
If normal, replace PCB.
Faulty: Replace Thermal Fuse if after confirming there is no damage to the appliance.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 27 -
Issue 1 - 10/10/03 ©Rinnai
10. Overheat Switch Circuit
Measure resistance between Overheat Switch terminals. (B4).
Normal: < 1Ω
If normal, replace PCB.
Faulty: Replace Overheat Switch.
Note: If Thermal fuse or Overheat Switch were faulty.
a.) Check heater for damage
b.) Confirm gas type and combustion dipswitch settings
c.) Confirm test point pressure.
11. Water Flow Sensor
a.) Measure voltage between Red - Black of relay connector (B2).
Normal: DC 11~13V
If normal, proceed to b.
Faulty: Replace PCB.
b.) Measure voltage between Yellow - Black of relay connector (B2).
Normal: DC 4~7V
If normal, proceed to 2.
Faulty: Replace water flow sensor.
Note: For controller readout of water flow whilst operational refer maintenance monitor. (Chapter
17) No. 1.
12. Water Flow Servo Circuit
a.) Disconnect relay connector (G1), and measure voltage between Red (+) and Black (-) on
PCB unit side.
Normal: DC11-13V
If normal: proceed to c.).
Faulty: Replace PCB unit.
b.) Measure voltage between Black and Yellow with relay connector (G1) connected (with no water
flowing, water flow servo fully open).
Normal: DC4~6V
Faulty: Replace Water Flow Servo with Water Flow Servo.
c.) Measure voltage between Black and Brown with relay connector (G1) connected (with no water
flowing, water flow servo fully open).
Normal: DC4~6V
Faulty: Replace Water Flow Servo and Water Flow Sensor.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 28 -
Issue 1 - 10/10/03 ©Rinnai
13. Hot Water Outlet Thermistor Circuit
Check Hot Water Thermistor if error code “32” is displayed.
Disconnect relay connector (B1) and measure resistance White -White.
When disconnected: resistance >1MΩ
When short circuit: resistance > 1 Ω
Normal: Check Heat exchanger outlet thermistor
Faulty: Replace hot water outlet thermistor.
Normal
Temp.
Resistance
15oC
11.4∼14 kΩ
30oC
6.4~7.8 kΩ
45oC
3.6~4.5 kΩ
60oC
2.2~2.7 kΩ
If normal proceed to Flame Rod circuit.
Faulty: Replace the Hot water Outlet Thermistor.
Note: For controller readout of thermistor temperature whilst operational refer maintenance monitor.
Disconnect relay connector (B1) and measure resistance White -White.
14. Surge Protector
Check the fuse.
a.) Unplug the power plug.
b.) Check whether or not the fuse (3A) x 2 has blown by measuring the resistance.
Normal: <1Ω
If normal go to step Electrical Fuse 13.
Faulty: Replace fuse/s (3Ax2). Check for a short next time it’s turned off.
15. Electrical Fuse
a.) Measure voltage between Blue and Brown on the connector (F2)
Normal :AC 207~264V
If normal proceed to b.). (11~13Ω)
Faulty: Check if voltage on the fuse terminal is AC207~264V
b.) Measure voltage between white and white on the (F1).
Normal: AC207~264V.
Faulty: replace surge protector unit.
16. Transformer
Check for the transformer
a.) Measure the voltage between white and white on the transmission connector (F).
Normal: AC207~264V (11~13 Ω)
If normal proceed to b.). (11~13Ω)
Faulty: Check if the voltage on fuse terminals is AC207-264V.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 29 -
Issue 1 - 10/10/03 ©Rinnai
17. Remote Control
Check the voltage between the 2-core remote control cable.
Measure the voltage between terminals on the remote control terminal (D).
Normal: DC 11~13V
If normal, replace the remote control after confirming that the cable hasn’t been
damaged or shorted.
Faulty: Because normal voltage is not given due a short circuit, despite the PCB being in
normal state, check Water Flow Servo circuit.
If solution is not given from the above replace PCB.
18. Anti-frost Heater Circuit
a.) Disconnect relay connectors ( F4) and (F5 ) and measure resistance between Yellow and Yellow
on heater side (water flow servo and HW connection).
Normal: 53Ω
If normal, proceed to b.).
Faulty: Replace Valve Heater.
b.) Disconnect relay connector (F4) and (F5) and measure resistance between Yellow and Yellow on
each connector on heater side.
Normal: 618Ω
If normal, proceed to c.).
Faulty: Replace Anti-frost Heater.
19. Frost Sensing Switch
a.) Disconnect relay connector (F4) and measure resistance between Blue and Blue.
Normal: < 1Ω
If normal, check wiring (AC240V circuit).
Faulty: Replace Frost Sensing Switch.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 30 -
Issue 1 - 10/10/03 ©Rinnai
16. Maintenance Monitor / Error History
INFINITY 20e
INFINITY 16e
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
Temperature "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.
01
02
Contents
Water flow sensor recognition flow
(Example 123 = 12.3L/min).
Hot water Outlet thermistor temperature
Units
0.1L/min
Data Range
0~400
°C
0~999
100 hours
000~999
100
0~999
Hz pulses/sec
0~999 *Note 1
none
0 or 1 *Note 2
(Example 20 = 20 ° C)
03
04
05
Hot water combustion time
(Example 6 = 600 hours)
Hot water operation frequency
(Example 6 = 600 Operations)
Hot water fan frequency
*Note 1 Fan Frequency rpm Conversion
(rpm) = (Hz) x15
06
Remote control connection
*Note 2 Remote Control Connections
Bathroom Remote
Additional remotes
“0
Controls connected
Display
Kitchen remote
No
“0”
1”
Yes
“1”
1
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 31 -
Issue 1 - 10/10/03 ©Rinnai
07
Water flow servo present recognising positioning
None
0~2 *Note 3
*Note 3 Water Flow Servo Positioning
Servo Position
Display
08
09
10
Open
“1”
Centre
“0”
Inlet water temperature
(PCB recognition value)
(Example 25 = 25°C)
Hot water fan current flow value
(Example 6 x 10 = 60 mA)
Bath fill amount (this counts the litres during bath
fill operation).
Closed
“2”
°C
0~999
10 mA
0~999
Litres
0~999
To return to normal operation
• Press the ON/OFF button again while holding down the Water Temperature "DOWN" (Cooler)
button.
Error History
To Display Error Memory (History)
(This feature will show the last 10 faults in sequence)
1.
Turn off at the ON/OFF button. (This can be done during
operation)
2.
Press the ON/OFF button while holding the Water Temperature
"UP" (Hotter) button.
• The Sequence will be shown in the Water Temperature display.
• Error Code will be shown in the Clock display. (See service
Manual for error codes).
• Where there are less than a total of 9 errors, "FFF" or " - - " will
be displayed in the Clock display.
To return to normal operation.
• Press the ON/OFF button again while holding the Water Temperature “UP” (Hotter) button.
• This feature will automatically shut down after 3 minutes.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 32 -
Issue 1 - 10/10/03 ©Rinnai
17. Gas Pressure Setting Procedure
The regulator on the Infinity is electronically controlled and factory pre-set. Under normal
circumstances it does not require adjustment during installation. Perform this procedure only if the unit
is not operating correctly and all other possible causes for incorrect operation have been eliminated.
1)
Turn 'OFF' the gas supply
2)
Turn 'OFF' 240V power supply.
3)
Remove the appliance cover.
4)
Check gas type switches (fig. 1) are in the correct
position (dip switch 1 of SW2 ‘ON’ = NG, ‘OFF’ = LPG).
5)
Attach pressure gauge to burner test point, located on the
gas control. (fig. 2).
6)
Turn 'ON' the gas supply.
7)
Turn 'ON' 240V power supply.
8)
If remote controllers are fitted, turn the unit 'ON' at the
kitchen controller, select the maximum delivery
temperature of 55°C and open a hot water tap fully.
(CAUTION: Ensure building occupants do not have
access to hot water outlets during this procedure).
9)
Set the Infinity to 'Forced Low' combustion by setting
No. 3 dipswitch of the (SW1) set of dip switches to 'ON'.
(fig 3)
10) Check the burner test point pressure.
Unit Nat. G LPG
16e
1.8
1.8
20e
1.8
1.9
all units in mbar
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 33 -
Issue 1 - 10/10/03 ©Rinnai
11) Remove rubber access plug and adjust the regulator
screw on the modulating valve (fig. 4) as required to the
pressure. Table 1. Replace rubber access plug.
12) Set the Infinity to 'Forced High' combustion by setting
both No. 3 and No. 4 dip switches of the bottom (SW1)
set to 'ON'. (fig. 5) ensure maximum water flow.
fig. 4
13) Check the burner test point pressure.
14) Adjust the high pressure Potentiometer (POT) on the
Printed Circuit Board (PCB) as required to the pressure
shown Table 2. (fig. 1).
Unit Nat G LPG
16e 8.8
8.1
20e 9.2
8.4
all units in mbar
15) IMPORTANT: Set dip switches No's 3 and 4 on the
bottom (SW1) set of dip switches to 'OFF' to return the
appliance to 'Normal' combustion. (fig. 6).
16) Close hot water tap.
17) Turn OFF the gas supply and 240V power supply.
18) Remove pressure gauge, and replace sealing screw.
19) Turn 'ON' the gas supply and 240V power supply.
20) Operate unit and check for gas leaks at test point.
21) Replace the front cover of the appliance.
Warning
DURING PRESSURE TESTING OF THE INSTALLATION ENSURE GAS
COCK SITUATED BEFORE UNIT IS SHUT OFF.
FAILURE TO DO SO MAY RESULT IN SERIOUS DAMAGE TO THE
APPLIANCE AND POSSIBLE INJURY.
Service
Manual Infinity
16e andREU-V2632WC
20e
Infinity REU-V2626W
/ HD200E
- 34 -
Issue 1 - 10/10/03 ©Rinnai
18. Gas Conversion Procedure
Conversion Method
Warning-Ensure that the power cords is disconnected from the power point (240V
potential) and isolate gas supply.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
Remove outer cover, 4 screws.
Delete "Natural" from the combustion chamber cover and replace with "Propane". (Use a black
marking pen).
Delete gas type from small paper sticker on bottom edge of inner casing.
Replace small gas label on gas inlet.
Replace large gas label on top of appliance.
Place "Propane" very small gas label over "Natural" on Data Plate.
Lift PCB protective plastic cover up.
Disconnect Flame rectification and sparker leads (2). (if needed)
Remove manifold, 9 screws.
Disconnect leads to solenoid (Polarized Plug).
Remove Natural Gas manifold.
Place the Propane manifold in the correct location ensuring,
The "O" rings are correctly positioned
x
No wires are trapped.
x
Manifold is marked with the correct gas type. (“A” for Propane)
x
Carefully replace the 9 screws to secure the manifold (Including the Wire ties)
x Reconnect the Solenoids Wires (Polarized plug Brown and Black wires).
Refit flame rectification and sparker leads (2).
Connect appliance to gas, water.
Check for gas escapes.
Connect the appliance to the electricity.
Follow gas pressure setting and dipswitch setting procedures (see next page).
Disconnect appliance from services.
Replace front cover, star washer must be on bottom right hand screw
Service
Manual Infinity 16e and 20e
Infinity REU-V1616W/REU-V2018W/REU-V2020W
- 35 -
Issue 1 - 10/10/03 ©Rinnai
19. Dismantling for Service
240 volt potential exposure. Isolate the appliance and reconfirm with a multimeter.
Item
Page
1.
Removal of the Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
2.
Removal of the PCB Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
3.
Removal of the Water Flow Sensor, Servo and Bypass Servo . . . . . . . . . . . . . . . . . 37
4.
Removal of the Sparkers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
5.
Removal of the Combustion Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
6.
Removal of the Hot Water Outlet & Heat Exchanger Outlet Thermistors. . . . . . . 48
7.
Removal of the Transformers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
8.
Removal of the Gas Inlet, Solenoids and Flame Rod . . . . . . . . . . . . . . . . . . . . . . . . 48
9.
Removal of the Gas Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
10. Removal of the Heat Exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
11. Removal of the Thermal Fuse and OHS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Unless otherwise stated, re-assembly is the reverse of dismantling.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 36 -
Issue 1 - 10/10/03 ©Rinnai
IMPORTANT
For some areas of dismantling you may need to isolate
any or all of the following:
* Isolate gas supply.
* Disconnect electrical supply from wall socket.
* Isolate water supply.
* Drain all water from appliance.
1) Removal of Front Panel
a. Remove four (4) screws.
3)
Removal of the Water Flow Sensor and
Servo.
a. Remove one (1) screw and pull off heat exchanger
inlet water connection tube.
b. Remove lock bracket and pull off inlet water
connection tube. Ensure O- ring not lost or damaged.
2)
Removal of the PCB Unit
a.
b.
c.
d.
Remove the front panel. (Refer Item 1.)
Remove one (1) screw and take off plastic cover.
Remove two (2) screws and take off earth wire.
Remove two (2) screws and pull out two (2) red wires
from transformer.
e. Remove two (2) screws and pull off PCB unit.
f. Remove connectors from PCB unit.
4)
Removal of Sparker
a. Remove connector from sparker.
b. Remove screw from sparker and take out sparker.
c. Pull off high tension lead.
5)
Removal of Fan Motor
a. Remove screws three (3) and pull off combustion
fan.
b. Remove connector (4P).
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 37 -
Issue 1 - 10/10/03 ©Rinnai
6)
Removal of Outgoing Water Thermistor
a. Remove one (1) screw of Heat Exchanger outlet
water tube.
b. Unlock bracket and pull off inlet water tube. Ensure
O-ring is not lost or damaged.
c. Remove one (1) screw and pull off outgoing water
thermistor.
a. Remove flame rod terminal (yellow)
b. Remove combustion chamber front panel (6 screws)
c. Remove two (2) screws and pull off the burner unit.
7)
Removal of Transformer
a. Remove PCB (refer item 2)
b. Remove two (2) screws and pull off transformer.
d. Remove three (3) screws and pull off damper
8)
Removal of Manifold and burner
a. Remove screws (6 + 3) and pull off manifold.
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 38 -
Issue 1 - 10/10/03 ©Rinnai
.
.
9)
Removal of Gas Control
a. Remove manifold (refer item 8)
b. Remove front panel (4 screws). (refer item 1).
c. Remove four (4) screws on gas connection inlet and
gas control (assy), and pull out the gas connection.
Handle O-ring carefully.
h. Pull off Heat Exchanger
10) Removal of Heat Exchanger
a. Remove PCB (refer item 2)
b. Remove Heat Exchanger inlet water tube
(refer item 3)
c. Remove outlet water tube (refer item 6).
d. Remove three (3) screws from the manifold (refer
item 8).
e. Pull off high tension lead and flame rod terminal
(refer item 4).
f. Remove connectors of OHS, Sparker, Anti Frost
heater and fan motor.
g. Remove four (4) screws from heat exchanger.
11) Removal of Thermal Fuse
a. Pull off heat exchanger (refer item 10).
b. Remove thermal fuse .
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 39 -
Issue 1 - 10/10/03 ©Rinnai
When Thermal Fuse is replaced, mount the thermal
fuse as follows:
Heat Exchanger LH side
Heat Exchanger RH side
Heat Exchanger Front
Heat Exchanger Back
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 40 -
Issue 1 - 10/10/03 ©Rinnai
20. Exploded Diagram
Infinity 16e and 20e
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 41 -
Issue 1 - 10/10/03 ©Rinnai
Infinity 16e and 20e
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 42 -
Issue 1 - 10/10/03 ©Rinnai
Infinity 16e and 20e
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 43 -
Issue 1 - 10/10/03 ©Rinnai
Infinity 16e and 20e
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
- 44 -
Issue 1 - 10/10/03 ©Rinnai
21. Parts List
16e on page 46
20e on page 52
Service
Manual Infinity
16e and 20e/ REU-V2020W - 45 Infinity REU-V1616W
/ REU-V2018W
Issue 1 - 10/10/03 ©Rinnai
16e
4'789
No.
PART NAME
RJ DRAWING No.
RUK PART No.
QTY
3$1(/$VV\)URQW
8&
%5$&.(7:DOO0RXQW
%8
3$1(/)U
8
3/8*
$8
*5200(7&DEOH
%81
*$6.(7&DEOH
8
&211(&7,215*DV
&8
6&5(:736HDO
&'
&21752/*DV
&(6
0$1,)2/'
$
$VV\3URS
8$
0$1,)2/'
%
$VV\1*
8%
*$6.(70DQLI8SU
8
*$6.(70DQLI/ZU
8
%851(5&$6()U
8
*$6.(7%XUQHU
8
'$03(5
8
%851(5&$6(5U
8
)52173/$7(&RPE&PEU 8
6($/,1*833(5&RPE&PE8
(/(&752'(
+
(/(&752'()5
8
*$6.(7(OHFWURGH
$+
+2/'(5(OHFWURGH
$+
6/((9((OHFWURGH
$8
+($7(;&+$VV\
86
%5$&.(7$
8
%5$&.(7%
$8
7(50,1$/)OXH
8
*$6.(7)OXH7HUP
8
3$&.,1*)OXH7HUP
%+,
)$102725$VV\
8
)$1&$6,1*$VV\
&8
Service
Manual Infinity
16e and 20e/ REU-V2020W - 46 Infinity REU-V1616W
/ REU-V2018W
Issue 1 - 10/10/03 ©Rinnai
20e
4'789
1R
3$571$0(
5-'5$:,1*1R
5$3$571R
QTY
%2'<$VV\0DLQ
8$
%5$&.(7:DOO0RXQW
%8
3$1(/)U
8
3/8*
$8
*5200(7&DEOH
%81
*$6.(7&DEOH
8
&211(&7,215*DV
&8
6&5(:736HDO
&'
&21752/*DV
&(6
0$1,)2/'
$
$VV\3URS
8$
0$1,)2/'
%
$VV\1*
8%
*$6.(70DQLI8SU
8
*$6.(70DQLI/ZU
8
%851(5&$6()U
8
*$6.(7%XUQHU
8
'$03(5
8
%851(5&$6(5U
8
)52173/$7(&RPE&PEU
8
6($/,1*833(5&RPE&PEU 8
(/(&752'(
+
(/(&752'()5
8
*$6.(7(OHFWURGH
$+
+2/'(5(OHFWURGH
$+
6/((9((OHFWURGH
$8
+($7(;&+$VV\
86
%5$&.(7$
8
%5$&.(7%
$8
7(50,1$/)OXH
8
*$6.(7)OXH7HUP
8
3$&.,1*)OXH7HUP
%+,
)$102725$VV\
8
)$1&$6,1*$VV\
&8
Service
Manual Infinity
16e and 20e/ REU-V2020W - 52 Infinity REU-V1616W
/ REU-V2018W
Issue 1 - 10/10/03 ©Rinnai
e
1R
3$571$0(
5-'5$:,1*1R
5$3$571R
QTY
&211(&7,21,Q:DWHU
+
675$33OXJ
8
),/7(5,QOHW:DWHU
+
),/7(53OXJ
+
5(&7,),(5
0'
6(592:DWHU)ORZ
0($
&29(5:DWHU)ORZ6\
8
&211(&7,21+:
8
675$33OXJ
$8
'5$,19$/9($VV\
%8&
3&%$VV\
8
&29(5$(&
8$
&29(5(&
8
63$5.(5
(,
/($'+LJK7HQVLRQ
%+
056(1625$VV\
0'
(0&%2$5'$VV\
8
&29(5(0&%RDUG
8
&/,3
&3
75$16)20(5$VV\
(7
+$51(666ROHQRLG9DOYH
8
+$51(666HQVRU
8
+$51(66%UHDNHU
8
+$51(667KHUPDO)XVH
8
+2/'(57KHUPDO)XVH
8
+2/'(57KHUPDO)XVH
8
9$/9(+($7(5
8
%5$&.(7+HDWHU
$8
6(16256:,7&+/RZ7HPS +
7+(50,6725,QOHW
%+
6:,7&+/RZ7HPS
&37
+$51(66)XVH
8
+$51(66)XVH
8
Service
Manual Infinity
16e and 20e/ REU-V2020W - 53 Infinity REU-V1616W
/ REU-V2018W
Issue 1 - 10/10/03 ©Rinnai
e
1R
3$571$0(
5-'5$:,1*1R
5$3$571R
QTY
6&5(:
&3
6&5(:
=)'%8.
6&5(:
&3
6&5(:
&3
6&5(:
&3
6&5(:
8
6&5(:
&3
6&5(:
8
25,1*
0%
25,1*
0%
:$6+(5
&(
25,1*
0%
25,1*
0%
25,1*
0%
25,1*
0%
25,1*
0%
25,1*
0%
&86720(5,167
8
,167$//$7,21,167
8
Service
Manual Infinity
16e and 20e/ REU-V2020W - 54 Infinity REU-V1616W
/ REU-V2018W
Issue 1 - 10/10/03 ©Rinnai
Notes
Service
Manual Infinity 16e and 20e
REU-V1616W/REU-V2018W/REU-V2020W
Issue 1 - 10/10/03 ©Rinnai
SERVICE CONTACT POINTS
Rinnai UK LTD.
9 Christleton Court
Manor Park
Runcorn
Cheshire
WA7 1ST
Tel. 01928 531870
Fax. 01928 531880
E-mail. info@rinnaiuk.com
Web.
www.rinnaiuk.com
Service
Infinity
32e Manual
and HD70eInfinity
16e and 20e
Download PDF

advertising