Rheem RUTG 64DV Programming manual

Rheem Water Heating • 101 Bell Road

Montgomery, AL 36117 •1.800.621.5622

www.rheem.com

PRINTED IN USA 12/12 SVC-820P REV 0

In keeping with its policy of continuous progress and improvement,

Rheem reserves the right to make changes without notice.

CONTACT REFERENCE

TANKLESS TECHNICAL SUPPORT

Phone : 1-866-720-2076

Email:

[email protected]

GENERAL TECHNICAL SUPPORT

Phone : 1-800-432-8373

Email:

[email protected]

CUSTOMER SERVICE

Parts and Warranty

Phone : 1-800-621-5622

Email:

[email protected]

SCV-820-Cover-01-07-13-SMT.indd 3 1/7/2013 9:56:07 AM

TR UBLESHOOTING

TANKLESS GAS

POCKET MANUAL

SVC 820P

For Mid & High Efﬁciency Platforms

PRINTED IN USA 12/12 SVC-820P REV 0

SCV-820-Cover-01-07-13-SMT.indd 4 1/7/2013 9:56:13 AM

Rheem.com

-11 11-

S V C 8 2 0 ( P ) P o c k e t M a n u a l P a g e 1

This manual is specific to the following model numbers:

MID EFFICIENCY

64DV, 64X / 68DV / 68X

84DV, 84X / 95DV, 95X

150DV, 150X / 180DV, 180X / 200DV, 200X

2-20RDV, 2-20ROF / 2-25RDV, 2-25ROF

2-28RDV, 2-28ROF

HIGH EFFICIENCY

(Condensing)

H-84DV, H-84X / H-95DV, H-95X

H-160DV, H-160X / H-200DV, H-200X

H-25RDV, H-25ROF / H-32RDV, H-32ROF

DASH 2 REVISION

2 | P a g e S V C 8 2 0 ( P ) P o c k e t M a n u a l

TABLE OF CONTENTS

General Information

Installation Guidelines………………………………………………..8

Mid & High-Efficiency Flow Rates……………………………..12

Control Board Connectors…………………………………………14

Diagnostic Points (Voltage & Resistance Readings)……16

Maintenance Mode Instructions……………………………….21

Altitude Settings on Control Board…………………………… 25

Reset Procedures……………………………………………………..26

Clearing Fault History……………………………………………….27

Error Code Diagnostics

No Error Code & No Hot Water 28

P1 Warning Code 31

1L Warning Code 32

03 Error Code 34

05 Warning Code 35

10 Warning Code 37

11 Error Code 40

12 Error Code 46

13 Error Code 48

14 Error Code 50

15 Error Code 52

16 Error Code 53

24 Error Code 54

29 Error Code

High-Efficiency ONLY (A)……………………………..55

Mid & High-Efficiency (B)…………………………… 56

31 Error Code 58

32 Error Code 60

33 Error Code 62

34 Error Code 64

35 Error Code 66

51 Error Code 67

52 Error Code 70

S V C 8 2 0 ( P ) P o c k e t M a n u a l P a g e 3

61 Error Code 73

65 Error Code 76

66 Error Code 78

71 Error Code 79

72 Error Code 81

76 Error Code 84

79 Error Code 85

80 Error Code 89

82 Error Code 92

90 Error Code 94

92 Warning Code 95

93 Error Code 95

99 Error Code 94

HOW TO REMOVE COMPONENTS

Section 1: Control Board Bracket…98

Section 2: Blower Motor…100

Section 3: Flame Rod; Igniter Rod; Igniter Coil…102

Section 4: Orifice Assembly…104

Section 5: Burner Assembly…106

Section 6: Gas Control Valve…107

Section 7: Water Control Valves…111

Section 8: Heat Exchanger Thermistor…114

Section 9: Outlet Thermistor…116

Section 10: Inlet Thermistor…118

Section 11: Ambient Thermistor…120

Section 12: Control Board…122

How to Program Control Board…123

4 | P a g e S V C 8 2 0 ( P ) P o c k e t M a n u a l

Important Safety Information

READ the Safety Information

Before inspecting, diagnosing, repairing or operating

any water heater, be sure to examine all of the safety

and warning labels on the water heater. Follow the

instruction on these warning labels. Read and

understand the Use and Care Manual that was

shipped with the water heater. Failure to do so can

result in unsafe operation of the water heater resulting

in property damage, bodily injury, or death. Should

you have any problems reading or following the

instructions in the Use and Care Manual, seek the

help of a licensed and qualified professional.

ELECTRICAL SHOCK

Troubleshooting and repairing this water heater can

expose you to electrical shock. Some of the

diagnostic procedures require the presence of AC and

DC volt electricity. Use extreme caution when

performing these procedures. When replacing an

unserviceable component, turn off all power to the

water heater and check for the presence of power

with a multi-meter or test lamp. The ignition cable

carries more than 10,000 volts of electrical energy.

Use extreme caution when diagnosing the Tankless

Gas Water Heater.

FLAMMABLE LIQUIDS AND VAPORS

Gasoline, as well as other flammable material and

S V C 8 2 0 ( P ) P o c k e t M a n u a l P a g e 5

liquids (adhesives, solvents, etc.), and vapors they

produce are extremely dangerous.

DO NOT handle, use or store gasoline or other

flammable or combustible materials anywhere near or

in the vicinity of a water heater. The spark ignition and

burner assembly in the water heater controls can

ignite these vapors. Failure to do so can result in

property damage, bodily injury or death.

WATER TEMPERATURE ADJUSTMENT

Safety and energy conservation are factors to be

considered when selecting the water temperature

setting on the thermostat. Water temperatures above

125° F can cause severe burns or death from

scalding. The chart shown here may be used as a

guide in determining the proper water temperature for

your application.

6 | P a g e S V C 8 2 0 ( P ) P o c k e t M a n u a l

Multi-Meter

Used to

measure

Resistance &

Voltage

Multi-Meter

Needle Set

Used on meter

test leads to

access

connectors

while measuring

Resistance &

Voltage

Manometer

Used to

measure gas

pressure

during standby

and operation

WARNING: WHILE MEASURING VOLTAGE, DO NOT touch any

grounding areas on unit (unless specified in

SAFETY FIRST

Your safety and safety of others is very important.

This manual is only intended for qualified service

technicians. ALWAYS USE CAUTION while testing

voltages and/or gas supply.

Troubleshooting Tools

S V C 8 2 0 ( P ) P o c k e t M a n u a l P a g e 7

WARNING: WHILE MEASURING VOLTAGE,DO NOT cross/touch

multi-meter leads together. This will cause damage to electrical

components.

WHEN INSERTING LEADS INTO WIRING CONNECTOR, insert on the

wiring side to prevent damage to connector.

BEFORE MEASURING RESISTANCE,TURN OFF all electrical power

and make sure to REMOVE CONNECTOR from the circuit

(control board). Check resistance on connector that was

removed.

WHEN MEASURING VOLTAGE, DO NOT REMOVE CONNECTOR;

insert multi-meter leads prior to operating unit.

WHEN MEASURING DC VOLTAGE, if the meter displays the dash (---

) symbol, swap the position of your black and red leads on the

connector.

Multi-Meter Needle Leads

Wiring

Connector

Do NOT touch any

grounding areas

while measuring

voltage

MEASURING VOLTAGE & RESISTANCE

8 | P a g e S V C 8 2 0 ( P ) P o c k e t M a n u a l

Installation Guidelines for

HIGH-Efficiency ONLY:

GAS TYPE: Liquid Propane (LP) or Natural (NG)

NG MAX INLET GAS PRESSURE: 10.5 (In. of w.c.)

NG MIN INLET GAS PRESSURE: 4.0 (In. of w.c)

LP MAX INLET GAS PRESSURE: 13.0 (In. of w.c.)

LP MIN INLET GAS PRESSURE: 8.0 (In. of w.c.)

MAX INPUT RATE: 199,900 (Btu/hr)

MIN INPUT RATE: 11,000 (Btu/hr)

GAS CONNECTION: 3/4” NPT

ELECTRICAL CONSUMPTION:

Normal: 100 W

Standby: 3-5 W

Antifreeze Protection: 200 W

MINIMUM ACTIVATION FLOW RATE (gpm): 0.4

EXTINCTION FLOW RATE (gpm): 0.25

VENT SIZE (Indoor ONLY): 2” or 3”

S V C 8 2 0 ( P ) P o c k e t M a n u a l P a g e 9

The vent exhaust and air intake must be vented outside as

described in the use and care manual. DO NOT vent this water

heater through a chimney. It must be vented seperately from all

other appliances.

NOTICE: The unit can be vented using only the following

recommended pipe material.

Use only 2 –or 3-inch diameter pipe. Refer to local codes for

restrictions on the use of PVC, CPVC, or ABS pipe and fittings. All

exhaust venting materials for product installed in Canada must

meet ULC-S636.

Acceptable materials or equivalent:

PVC (Schedule 40, ASTM D-1785

CPVC (Schedule 40, ASTM F-441)

ABS (Schedule 40, ASTM D-2661) (Not permitted in Canada)

The fittings other than the VENT TERMINAL should be equivalent

to the following:

PVC (Schedule 40, DMW, ASTM D-2665

CPVC (Schedule 40, DMW, ASTM F-438)

ABS (Schedule 40, DMW, ASTM D-2661) (Not permitted in

Canada)

Category III Stainless Steel

DO NOT USE Schedule 20, Cell Core, Drain Pipe, Galvanized,

Aluminum, or B-Vent.

Installation Guidelines for

HIGH-Efficiency ONLY:

Number of

90 Degree

Elbows

Maximum

Length of 2”

Straight Pipe

Maximum

Length of 3”

Straight Pipe

0 or 1

5 ft.

38’

3.5 ft.

36’ 6”

2.0 ft.

35’

Not available

33’ 6”

Not available

32’

Number of

90 Degree

Elbows

Maximum

Length of 2”

Straight Pipe

Maximum

Length of 3”

Straight Pipe

0 or 1

60’

150’

58’6”

148’6”

57’

147’

55’6”

145’ 6”

54’

144’

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