Bosch Singular 4000 Manuel utilisateur

Installation Instructions

Gas Condensing Combi Boilers

Singular

Singular 4000 | Singular 5200

BTC 439003301 B / 07.2021

WARNING:

If the information in these instructions are not followed exactly, a ﬁre or explo-

sion may result causing property damage, personal injury or death.

WARNING:

Do not store or use gasoline or other ﬂammable vapors and liquids in the vicinity

of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS

—Do not try to light any appliance.

—Do not touch any electrical switch; do not use any phone in your building.

—Immediately call your gas supplier from a neighbor’s phone. Follow the gas

supplier’s instructions.

—If you cannot reach your gas supplier, call the fire department.

WARNING:

Improper installation, adjustment, alteration, service or maintenance can cause

property damage, personal injury (exposure to hazardous materials)* or loss of

life. Refer to the user's information manual provided with this boiler. Installation

and service must be performed by a qualiﬁed installer, service agency or the gas

supplier who must read and follow the supplied instructions before installing,

servicing, or removing this boiler. This boiler contains materials that have been

identiﬁed as carcinogenic, or possibly carcinogenic, to humans.

This boiler must be installed in accordance with local, state, and federal codes.

In the absence of such requirements, then to the latest edition of the National

Fuel Gas Code, ANSI Z223.1./NFPA 54. In Canada, installation must be in

accordance with the requirements of CAN/CSA B149.1, Natural Gas and

Propane Installation Code.

Installation Instructions

Singular Combi Boiler - BTC 439003301 B (2021/07)

| 3

Installation Instructions

Singular Combi Boiler - BTC 439003301 B (2021/07)

Table of Contents

1 Key to Symbols and Safety Instructions 4

1.1 Key to Symbols 4

1.2 Safety 4

2 General Information 7

2.1 Included Items 7

2.2 Optional Accessories 7

2.3 Speciﬁcations 8

2.4 Rating Plate 9

2.4 Dimensions 10

2.5 Components 11

3 Boiler Installation 13

3.1 Installer Qualiﬁcations 13

3.2 Compliance Requirements 13

3.3 Location 13

3.3.1 Access to Utilities 13

3.3.2 Humidity and Contact with Water 13

3.3.3 Drainage 13

3.3.4 Venting and Ventilation 13

3.3.5 Clearances 14

3.3.6 Clean, Debris and Chemical-Free Combustion Air 14

3.3.7 Position 14

3.4 Mounting to the Wall 15

4 System Piping 16

4.1 Installing a Space Heating System 16

4.1.1 Guidelines for a Space Heating System 16

4.1.2 Essential Elements in a Space Heating System 16

4.1.3 Space Heating Piping 17

4.2 Installing a Domestic Hot Water(DHW) System 17

4.2.1 Guidelines for a DHW System 17

4.2.2 Essential Elements in a DHW System 18

4.2.3 DHW System Piping 18

4.3 Connecting the Condensate Drain 19

4.3.1 Filling the Condensate Trap 20

4.4 System Filling 20

4.4.1 Built-In Water Filling 20

4.4.2 External Water Fill Connection 20

4.5 Test the Water System 21

4.5.1 External Water Fill Connection 21

4.6 Examples of System Applications 22

4.6.1 System Application – Zone System with Zone Valves 22

4.6.2 System Application – Single Zone System 23

4.6.3 System Application – Zone System with Circulators 24

5 Connecting the Gas Supply 25

5.1 Gas Pipe Sizing Tables 25

5.2 Gas Piping 26

5.3 Inlet Gas Pressure 27

6 Installing a Vent 29

6.1 Vent Type 29

6.1.1 Direct Venting 29

6.1.2 Non- Direct Venting 31

6.2 Vent Pipe Materials 33

6.3 Vent Length 34

6.4 Connecting the Vent Clip 34

6.5 Vent Termination 35

6.5.1 Single-Pipe Sidewall Venting 35

6.5.2 Two-Pipe Sidewall Venting 35

6.5.3 Snorkel Flue 36

6.5.4 Non-Concentric Sidewall Venting 36

6.5.5 Concentric Sidewall Venting 36

6.5.6 Two-Pipe Vertical Venting 37

6.5.7 Concentric Roof Venting 37

7 Setting the DIP Switches 38

8 Connecting the Power Supply 39

9 Installation Checklist 40

10 Operating the Boiler 42

10.1 Turning the Boiler On or Oﬀ 42

10.2 Checking the Ignition System 42

10.3 Setting the Space Heating Temperature 42

10.4 Setting the DHW (Domestic Hot Water) Temperature 43

10.5 Viewing Basic Information 43

10.5.1 H0 mode 44

10.5.2 H1 mode 44

10.5.3 H2 mode 44

10.5.4 H3 mode 44

10.5.5 H4 mode 45

10.5.6 H5 mode 45

10.5.7 H6 mode 45

10.5.8 H7 mode 45

10.5.9 H8 mode 46

10.5.10 H9 mode 46

10.5.11 HA mode 46

10.5.12 HB mode 46

10.5.13 Cd mode 47

10.6 Setting the Heat Load for The Outdoor Reset Control Mode 47

10.7 Altitude Adjustment 49

11 Gas Conversion 50

11.1 Combustion Analysis 52

12 Wiring Diagram 54

13 Ladder Diagram 55

14 Normal Operating Sequence 56

15 Outdoor Temperature Sensor 58

15.1 Outdoor Temperature Sensor Installation (Optional) 58

15.2 Outdoor Temperature Sensor Installation Guidelines 58

15.3 Outdoor Reset Control 59

16 Inspection and Maintenance 60

16.1 Draining the Boiler 60

16.2 Cleaning the Cold Water Inlet Filter 62

16.3 Cleaning the Air Intake Filter 62

16.4 Protecting the Boiler from Freezing 63

16.5 Maintenance Schedules 63

16.5.1 Owner Maintenance 63

16.5.2 Service Technician Maintenance 63

17 Troubleshooting 65

17.1 Basic Problems 65

17.2 Error Codes 66

Installation Instructions

Singular Combi Boiler - BTC 439003301 B (2021/07)

1 Key to Symbols and Safety Instructions

1.1 Key to Symbols

Warnings

Warnings in this document are identiﬁed by a

warning triangle printed against a grey background.

Keywords at the start of a warning indicate the type and seriousness

of the ensuing risk if measures to prevent the risk are not taken.

The following keywords are deﬁned and can be used in this document:

DANGER indicates a hazardous situation which, if not avoided, will result

in death or serious injury.

WARNING indicates a hazardous situation which, if not avoided, could

result in death or serious injury.

CAUTION indicates a hazardous situation which, if not avoided, could

result in minor to moderate injury.

NOTICE is used to address practices not related to personal injury.

Important information

This symbol indicates important information where

there is no risk to people or property.

1.2 Safety

Please read before proceeding

WARNING:FIRE,EXPLOSION

Vapors from flammable liquids can explode and/or catch fire

causing death or severe burns.

Keep flammable products far away from the boiler and store

them in approved containers. Keep the containers tightly

closed and out of the reach of children.

The boiler has a main burner flame that can come on at any

time and will ignite flammable vapors.

Vapors cannot be seen and are heavier than air. They can

travel long distances along the ground and can be carried

from other rooms to the boiler’s main burner flame by air

current.

WARNING:SCALDHAZARD

Water temperature over 125°F can cause severe burns or

death from scalding.

If it is necessary to set the water temperature above 125°F

(52°C), consider installing a thermostatically-controlled

mixing valve. Contact a licensed plumber or your local

plumbing authority for more information.

Children, the disabled and the elderly are at highest risk of

being scalded.

Test water before bathing or showering.

Temperature TimetoProduceSerious Burn

120 °F (48 °C) More than 5 minutes

125 °F (51 °C) 1.5 to 2 minutes

130 °F (54 °C) Approx. 30 seconds

135 °F (57 °C) Approx. 10 seconds

140 °F (60 °C) Less than 5 seconds

145 °F (62 °C) Less than 3 seconds

150 °F (65 °C) Approx. 1.5 seconds

155 °F (68 °C) Approx. 1 second

Table 1

WARNING: RISKOFPERSONAL INJURYORDEATHFROMEXPLOSION!

Work on gas components may only be carried out by a

trained and certified installer or service company.

Appliance installation, the connection of gas and vent

piping, initial commissioning, electrical connections, and

service and maintenance must only be carried out by a

trained and certified installer or service company.

| 5

Installation Instructions

Singular Combi Boiler - BTC 439003301 B (2021/07)

WARNING:FIRE,EXPLOSION

Do not store combustibles, such as papers or laundry, near

the boiler or venting system.

Do not store or use gasoline or other flammable liquids near

this boiler.

Do not store or use compressed gases, such as hair sprays

or spray paints, near the boiler or venting system, including

the vent termination.

WARNING:HAZARDOUSVOLTAGE

Do not remove the front cover unless the power to the boiler

is turned off or disconnected.

Do not touch the internal components of the boiler or the

power cord with wet hands.

WARNING:FIRE,CARBONMONOXIDE

Do not operate the boiler with the front cover opened.

Do not operate the boiler without proper venting.

Do not place anything in or around the vent terminals that

could obstruct the air ﬂow in or out of the boiler.

WARNING:FIRE,EXPLOSION

Have your installer or plumber show you the location of the

gas shut off valve and demonstrate how to close the valve. If

the boiler is damaged as a result of overheating, fire, flood,

or any other reason, close the manual shut off valve and do

not operate the boiler again until it has been inspected by a

qualified technician.

WARNING:FIRE,EXPLOSION

Should overheating occur or if the gas supply fails to shut

off, turn off the manual gas shut off valve.

WARNING:PERSONALINJURY,PROPERTY DAMAGE

Do not allow children to operate or have access to the boiler.

WARNING:IMPROPEROR DANGEROUSOPERATION

Immediately call a qualified service technician to inspect the

appliance and replace any part of the control system and/or

any gas control which has been immersed in water.

WARNING:

This product can expose you to chemicals including Lead

and Lead components, which are known to the State

of California to cause cancer and birth defects or other

reproductive harm. For more information go to www.

P65Warnings.ca.gov.

WARNING:FIRE,CARBONMONOXIDE

After replacement of a gas related component, where a

gasket of seal has been disturbed or replaced, check for gas

tightness using a gas detector / analyzer.

On re-assembly check all affected seals for cracks hardness

and deterioration. If damaged or in any doubt the seal must

be replaced.

CAUTION:INTENDEDUSE

Do not use the boiler for anything other than its intended

purpose, as described in this manual.

CAUTION:IMPROPERORDANGEROUSOPERATION

Do not use unapproved replacement or accessory parts.

When servicing the controls, label all wires prior to

disconnecting them to prevent wiring errors.

Do not attempt to repair or replace any part of the boiler,

unless it is specifically recommended in this manual. For all

other service, contact an authorized technician or licensed

professional. Improper adjustments, alterations, service, or

maintenance may lead to property damage, personal injury,

or death and will void your warranty.

NOTICE:BOILERDAMAGE

Do not turn on the boiler unless the water and gas supplies

are fully opened. Failure to do so may damage the boiler.

Installation Instructions

Singular Combi Boiler - BTC 439003301 B (2021/07)

1.3

Important Note for the State of Massachusetts

NOTICE BEFORE INSTALLATION

This appliance must be installed by a licensed plumber or gas ﬁtter in accordance

with the Massachusetts Plumbing and Fuel Gas Code 248 CMR Sections 4.00 and

5.00.

IMPORTANT: In the State of Massachusetts (248 CMR 4.00 & 5.00)

For all side wall horizontally vented gas fueled equipment installed in every

dwelling, building or structure used in whole or in part for residential purposes,

including those owned or operated by the Commonwealth and where the side wall

exhaust vent termination is less than seven (7) feet above ﬁnished grade in the

area of the venting, including but not limited to decks and porches, the following

requirements shall be satisﬁed.

1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of

installation of the side wall horizontal vented gas fueled equipment, the

installing plumber or gasﬁtter shall observe that a hard wired carbon

monoxide detector with an alarm and battery back-up is installed on the ﬂoor

level where the gas equipment is to be installed. In addition, the installing

plumber or gasﬁtter shall observe that a battery operated or hard wired

carbon monoxide detector with an alarm is installed on each additional level

of the dwelling, building or structure served by the side wall horizontal vented

gas fueled equipment. It shall be the responsibility of the property owner to

secure the services of qualiﬁed licensed professionals for the installation of

hard wired carbon monoxide detectors

a. In the event that the side wall horizontally vented gas fueled equipment

is installed in a crawl space or an attic, the hard wired carbon monoxide

detector with alarm and battery back-up may be installed on the next

adjacent ﬂoor level.

b. In the event that the requirements of this subdivision cannot be met

at the time of completion of installation, the owner shall have a period

of thirty (30) days to comply with the above requirements; provided,

however, that during said thirty (30) day period, a battery operated

carbon monoxide detector with an alarm shall be installed.

2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide

detector as required in accordance with the above provisions shall comply

with NFPA 720 and be ANSI/UL 2034 listed and IAS certiﬁed.

3. SIGNAGE. A metal or plastic identiﬁcation plate shall be permanently

mounted to the exterior of the building at a minimum height of eight (8)

feet above grade directly in line with the exhaust vent terminal for the

horizontally vented gas fueled heating appliance or equipment. The sign

shall read, in print size no less than one half (1/2) inch in size, “GAS VENT

DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS”.

4. INSPECTION. The state or local gas inspector of the side wall horizontally

vented gas fueled equipment shall not approve the installation unless, upon

inspection, the inspector observes carbon monoxide detectors and signage

installed in accordance with the provisions of 248 CMR 5.08(2)(a)1 through

| 7

Installation Instructions

Singular Combi Boiler - BTC 439003301 B (2021/07)

2 General Information

2.1 Included Items

The following items are included with the boiler. Check each of the following items

before installation.

Figure 1

Wall mounting bracket Tapping screws & anchors

Installation and

User manual

Vent clip

Gas conversion kit

Spare parts

Pressure Relief Valve

2" Vent termination cap &

Wall ange

If there is a missing item, please contact Technical Support at

1-866-642-3198.

2.2 Optional Accessories

The following optional accessory is not included with the boiler, but may be

necessary for the installation. Check the need for the following optional accessory

before installation.

Figure 2

Outdoor temperature sensor

WARNING:

Installing the appliance and/or any accessories for the

appliance may only be carried out by a qualified service

technician and must conform to the requirements of the

authority having jurisdiction or, in the absence of such

requirements, to the latest edition of the National Fuel

Gas Code, ANSI Z223.1./NFPA 54. In Canada, installation

must be in accordance with the requirements of CAN/CSA

B149.1, Natural Gas and Propane Installation Code.

Installation Instructions

Singular Combi Boiler - BTC 439003301 B (2021/07)

2.3 Speciﬁcations

The following table shows the speciﬁcations for the boiler. Additional speciﬁcations

about water, gas, electric, and air supplies (venting) appear in each installation

section.

Singular4000 Singular 5200

Heat Capacity (Input) Space Heating 19,900–80,000 BTU/H 19,900–140,000 BTU/H

Domestic Hot Water 19,900–155,000 BTU/H 19,900–199,000 BTU/H

Flow Rate (DHW) 45°F (25°C) Temp Rise 6.0GPM (23LPM) 7.7GPM (29LPM)

67°F (37°C) Temp Rise 4.0GPM (15LPM) 5.2GPM (20LPM)

AFUE Natural Gas (propane) 95.0% (95.0%) 95.0% (95.0%)

Dimensions (W x D x H) 18.1“ x 27.6” x 11.6“ (460 mm x 700 mm x 295 mm)

Installation Type Indoor wall-hung

Venting Type Forced draft direct vent

Ignition Electronic ignition

Water Pressure(Hydronic/DHW) 12~30psi /15~150 psi

Supply Pressure Natural Gas 3.5" – 10.5" WC

Propane 8" – 13" WC

Temperature Range Space Heating 82°F – 180°F(27°C – 82°C)

DHW 86°F – 140°F(31°C – 60°C)

Minimum Flow Rate (DHW) 0.5GPM(2.0LPM)

Power Supply Main Supply 120V AC, 60 Hz / uses less than 5 AMP

Connection Sizes

Space heating Supply/Return 1" NPT

Cold water Inlet 3/4" NPT

Hot Water Outlet 3/4" NPT

Gas Inlet 3/4" NPT

Materials Primary Heat Exchanger Stainless steel

Secondary Heat Exchanger Stainless steel

Venting

Exhaust/Intake "2"" or 3"" PVC, CPVC, Polypropylene

2"" or 3"" Special gas vent type BH (Class II, A/B/C)"

Length 2" 60ft(18.3m)

3" 150ft(45.7m)

Vent Clearances 0" to combustibles

Safety Devices Flame rod, APS, Over heat preventer, Low water cut oﬀ switch,

Exhaust temperature high limit sensor, Power surge fuse

Table 2

| 9

Installation Instructions

Singular Combi Boiler - BTC 439003301 B (2021/07)

2.4 Rating Plate

WARNING:FIRE,EXPLOSION

The gas type and electricity voltage must match the rating

plate. Using a different gas type and electricity voltage will

cause the boiler to malfunction.

Before the installation, check the rating plate located on the side of the boiler to

ensure that the boiler matches the gas type, gas pressure, water pressure, and

electrical supply available in the installation location. If the boiler does not match

each of these ratings, do not install the boiler. If the gas conversion is required, the

included gas conversion kit must be used.

Figure 3

Natural Gas

Certied to

NSF/ANSI 372

Combination Boiler and Space Heater / Combiné Chaudière et Chaue-Espace

For either direct vent installation or for installation using indoor combustion air .

/Pour une installation à évacuation directe ou pour une installation utilisant de l'air de combustion à l'intérieur .

Natural Gas

Heating Capacity

Capacité de chauffage

3.5~10.5

210

Edition of the standard : ANSI Z21.13-2017. CSA 4.9-2017, Low Pressure Boiler

Orices necessary for LP conversion are provided.

Les injectures nécessaires à la conversion au GPL sont fournis.

For installation on noncombustible oors only . /Pour l'installation sur des sols incombustibles uniquement.

Water temperature limit

limite de température de l'eau

M/C No. 271266

This boiler must be installed in accordance with local codes, if any; if not, follow the National Fuel Gas Code , ANSI

Z223.1/NFP A 54, or the Natural Gas and Propane Installation Code , CAN/CSA B149.1, as applicable.

Cette chaudière doit être installée conformément aux codes locaux, le cas échéant. Sinon, respectez le code national de gaz

combustible, ANSI Z223.1 / NFPA 54, ou le code d'installation de gaz naturel et propane, CAN/CSA B149.1, selon le cas.

This boiler must be installed with vent the vent-air intake system as specied and installed in accordance with the

Cette chaudière doit être installée de manière à purger le système d’admission d’air-air comme spécifié et installée

manufacturer ’s installation instructions.

conformément aux instructions d’installation du fabricant.

When reinstalling the appliance, check the sealing on the exhaust & air intake vent system.

Lors de la réinstallation de l'appareil, vérifiez l'étanchéité du système de ventilation d'échappement et d'admission d'air.

50 W entworth Ave, Londonderry , NH 03053

Bosch

Bosch Thermotechnology Corporation

-866-642-3198

The pressure relief valve provided by the manufacturer shall

Valve shall be placed in suitable area where it will not cause

doit

damage.

(La vanne doit être placée dans un endroit approprié où

elle ne causera pas de dommages.)

Bosch.

en haute de

Corée du Sud

10 |

Installation Instructions

Singular Combi Boiler - BTC 439003301 B (2021/07)

2.4 Dimensions

Figure 4

2.80"

(71.1 mm) 0.36" (9.2 mm)

18.11" (460 mm)

5.57"

(141.5 mm)

5.26"

(133.5 mm)

11.61" (295 mm)

4.0"

(101.6 mm)

3.6"

(91.4 mm)

2.7"

(68.6 mm)

1.6" (40.6 mm)6.1"

(154.9 mm)

2.8"

(71.1 mm)

3.4"

(86.4 mm)

4.7" (119.4 mm)

2.2"

(55.9 mm)

8.0" (203.2 mm)

A B C D E F 1.8"

(45.7 mm)

27.56" (700 mm)

31.87" (809.5 mm)

Position Description Diameter

A Space heating Return 1" NPT

B Cold water inlet 3/4" NPT

C Condensate Outlet 1/2" NPT

D Hot water Outlet 3/4" NPT

E Space heating Supply 1" NPT

F Gas Inlet 3/4" NPT

G Exhaust Vent 2"

H Air inlet 2"

Table 3

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