Bosch 13P Manual

9 708 069 951 Page1

Installation / Operating Instructions

GOOD.BEETER>BOSCH

BOSCH 13P & 16P

Continuous Flow Gas Water Heater

1 Main Cover 5 Cold Water Inlet

2 Inspection Window 6 Hot Water Supply

3 Access Panel 7 Mounting Point

4 Gas Inlet 8 Horizontal Flue

A-D Dimensions on page 2 Fig 3

Fig. 1

This appliance must be installed in accordance with the manufacturer’s installation instructions,

AG 601, NZ 5261, AS/NZS 3500.4.2 and all Local Water, Building and Gas fitting regulations

To be installed and serviced only by an authorised person

This appliance is not suitable for use as a pool heater

The “authorised installing person” is responsible for :

1. Correct commissioning of this appliance.

2. Ensure unit performs to the specifications stated on the rating label.

3.. Demonstrate operation of unit to customer before leaving.

4. Hand these instructions to customer.

Failure to install this appliance in accordance with these installation instructions may

void warranty

In the interest of continued product improvement, Bosch reserves ther right to alter the specifications

without notice.

25/10/2011

Installation

Install only on an external wall, as close as possible to the most frequently used hot

tap. Use a heat shield (accessory item part number 9 708 061 400) if the unit is to be installed

on a combustible surface. Allow minimum air gap of 10 mm between the flue and the heat

shield, (refer figure 2).

Ensure that the flue terminal is clear of any combustible material, and avoid

installation in a marine environment.

Install the appliance such that the base of the appliance is not more than 1.3 metres

and not less than 0.5 meters from the ground, and allow for easy access to service heater.

Secure heater to wall using two 10g X 5/16 hex head wood screws (Ramset 610041 or similar).

Locate head of screw in the key hole of the top mounting bracket.

Appliance Dimensions

A B C D

13P 405

845

533

240

16P 460

936

550

240

Figure 3

Pipe Connections Refer to Fig. 1 for locations

Hot and Cold water ½" male

Natural gas ¾" female

L.P. gas ½" male

A gas cock must be installed in the gas supply line with provision to disconnect the

appliance. Install gate valve or full flow ball valve (fixed mechanism type) in cold water supply.

A non return valve must not be fitted. For example duo valve

We recommend that all hot water pipes be lagged if the runs are long or exposed,

and water-proof lagging should be used on all external hot water pipes. If the water supply

pressure exceeds 80% of the specified maximum, install a pressure limiting valve.

If installing a pressure limiting valve fit a cold expansion valve between the limiting valve and

the appliance. PLV = 500kPa Cold expansion = 700kPa

Refer to AG 601 and AS3500.1 for the relevant pipe size.

NOTE: Service calls for incorrect pipe sizing will NOT be covered under warranty.

Water Filter

If sludge or foreign matter is or may be present in the water supply, it is

recommended that a suitable filter be incorporated in the water supply line to the heater. All

pipes should be well flushed before connection is made.

A water filter/strainer is installed in the inlet of the brass water valve inside the appliance.

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9 708 069 951

9 708 069 951 Page3

Characteristic Data

Bosch 13P Bosch 16P

Pilot orifice diameter mm NG 0.30 0.30

LP 0.19 0.19

TG & TLP 0.56 N/A

Burner Injector Diameter mm NG 1.25 1.30

LP 0.79 0.75

TG & TLP 2.25 N/A

Minimum water pressure for

maximum water flow 100 kPa 150 kPa

Maximum water flow litres per

minute @ 25°C rise 13 16

Nominal hourly gas

consumption Mj/h 100 130

Burner Pressure kPa NG 0.87 0.71

LPG 2.60 2.60

Refer to rating label located on the bottom right hand corner of the back panel for additional

data.

Freezing Weather

In areas where the atmospheric temperature may drop below

0°C, the heater must be drained to prevent damage by expansion of

freezing water. For appliances installed in locations where the

temperature falls below zero ° C for brief periods , the installation of an

EXOGEL expansion valve, part number H 707 060 151, will minimise the

possibility of damage to the appliance.

This water heater MUST NOT be installed in areas where the

temperature remains below 0°C for extended periods.

Conversion and Spare Parts

For spare parts or conversion of the heater to operate on a different gas

that for which it was originally manufactured, please contact your local gas authority,

authorised service agent or the manufacturer

Maintenance

We recommend that the appliance be inspected and cleaned by an authorised person

periodically, depending upon the frequency and duration of its operation, but never less than

once a year.

Exogel

Hot Water

1 Meter

minimum

25/10/2011

Page4

Operating instructions

Procedure to light the appliance.

Fig. 4

To ensure that the water, at maximum water flow, will be of adequate temperature for sanitary

purposes ( approx 40°C ), the appliance must be adjusted by the plumber at the time of

installation.

When hotter water is required, ie dishwashing, simply reduce the flow of water at the tap and

up to 60°C water will be delivered.

Refer to the commissioning section for adjustment details.

Warning -If the pilot light is extinguished, wait 5 minutes before attempting to relight the

appliance. If the appliance does not operate, burns with yellow flame, leaks water or a gas

smell is evident, turn off and contact the local gas authority, the manufacturer or an

authorised service person.

When attempting to light the appliance ensure that all hot water taps are turned off.

CAUTION: It is recommended that for sanitary fixtures used primarily for the purpose of

personal hygiene that a temperature control device be fitted (such as a tempering valve) as

per AS.3498.

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Commissioning

The two most important points are to set the maximum water flow rate and to ensure the

burner pressure is correct.

1. Water Flow

The water flow must be adjusted so that when a hot water tap is opened fully the appliance

has enough time to heat the water as it passes through the heat exchanger.

Open a hot water tap fully and adjust the water flow rate to the maximum rate.

Bosch 13P 13 litres / minute

Bosch 16P 16 litres / minute

In cool areas where the cold water temperature drops below 15°C in Winter it will be

necessary to set the water flow lower than the maximum rate.

Water Wizard 780 8 to 10 litres / minute

Water Wizard 960 10 to 12 litres / minute

Adjust using the slotted head screw in the base of the brass water valve. Refer Fig.5 Turn

screw clockwise to decrease flow rate (hotter water).

The time taken to fill a one litre container divided into 60 = litres a minute.

Example a one litre container fills in 6 seconds

60 ÷ 6 = 10 litres a minute.

Fig. 5

Adjustment

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Commissioning

Burner Pressure Adjustment

With the gas supply turned off, loosen the captive screw in burner pressure test point

( Position A Figure 6 ) on the left hand side of the burner manifold.

Attach a "U" tube manometer , turn on the gas supply and light appliance. Open a hot water

tap to draw off more than 10 litres a minute ( in summer or when the inlet cold water is above

15°C it may be necessary to temporarily increase the maximum water flow to compensate for

the thermostat turning down the gas rate )

Adjust pressure if necessary at the pressure regulator fitted to the gas supply pipe. (Refer

data page 3)

Figure 6

Inlet Pressure

The gas supply pressure must be as stated on the appliance rating label, located bottom right

hand inside rear panel. The gas pressure at the inlet test point ( Position A Figure 7) will be

approx 100 pascals less than the supply pressure due to the pressure drop across regulator.

Figure 7

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9 708 069 951 Page7

Water Flow

ustment Screw

Thermostat Setting

Method :-

Step 1.

Adjust maximum water flow to 10 -13 litres a minute

( Bosch 13P ) or 13-16 litres a minute (Bosch 16P ).

Adjust using the slotted head screw in the base of the

brass water valve. Turn clockwise to decrease water

flow ( higher water temperature ) .

Water flow can be measured by the time taken

( seconds ) to fill a container of a known quantity.

I.E.: A 2 litre container fills in 12 seconds

Therefore 60 ÷ 12 seconds × 2 = 10 litres a minute.

Step 2.

Loosen burner pressure test point and attach U tube manometer, light

appliance and open hot water tap fully. Measure the distance between the two

water columns.

1 KPa = 100 mm 2.6 KPa = 260 mm

Adjust natural gas appliances at the pressure regulator fitted to the gas inlet

pipe and LP Gas appliances are to be adjusted at the regulator fitted to the

supply cylinder.

If the burner pressure is not correct check the gas

inlet pressure at the test point located on the right

hand side of the gas valve . The inlet pressure

should be measured with the appliance operating.

Step 3.

With the manometer still connected turn a hot water

tap on to give a flow rate of 5 litres a minute ( fill a 1

litre container in 12 seconds ).

Allow water to run for 1-2 minutes and measure temperature. Adjust to give an

outlet temperature of 60°C.

When an outlet temperature of 60°C is obtained ensure that the burner

pressure is lower than in step 2 , this will confirm that the thermostat is

sensing the hot water and closing the gas supply to give only the amount of

fuel required to achieve 60°C.

Now reduce the flow of water to a rate of 2 litres a minute, the temperature

should not exceed 63°C If incorrect replace flow thermostat insert.

Step 4.

After completing all the above adjustments open the hot water tap fully and

observe that the burner pressure returns to that stated on the rating label. This

will ensure that the thermostat is sensing the cold water and opening the gas

fully.

Remove the manometer and tighten the burner pressure test point.

Temperature

adjustment nut

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Clearance of flue terminals

T = Flue Terminal M = Gas Meter Shaded area indicates

prohibited area

I = Mechanical air inlet P = Electrical meter or fuse box W = Window

Ref Item Minimum Clearance

Natural

draft

Fan

assisted

a Below eaves, balconies and other projections

Appliances up to 50MJ/h input 300 200

Appliances over 50 MJ/h input 500 300

b From the ground, above a balcony or other surface 300 300

c From a return wall or external corner 500 300

d From a gas meter 1000 1000

e From an electricity meter or fuse box (P) 500 500

f From a drain pipe or soil pipe 150 75

g Horizontally from any building structure or obstruction facing a flue

terminal

500 500

h From any other flue terminal, cowl, or combustion air intake 500 300

j Horizontally from an opening window, door, non-mechanical air inlet. Or other opening

into a building with the exception of sub floor ventilation

Appliances up to 150 MJ/h 500 300

Appliances over 150MJ/h input up to 200 MJ/h input 1500 500

Appliances over 200 MJ/h input 1500 1500

All fan assisted flue appliances in the direction of discharge 1500

k From a mechanical air inlet, including spa blower 1500 1000

n Vertically below an openable window, non-mechanical air inlet, or any other opening into a

building with the exception of sub-floor ventilation:

Space heaters up to 50 MJ/h 150 150

Other appliances up to 50 MJ/h 500 500

Appliances over 50 MJ/h and up to 150 MJ/h input 1000 1000

Appliances over 150 MJ/h input 1500 1500

Extract from AG601 For use as a guide only. Refer to AS5601/AG601 for

clearance

25/10/2011

Water quality

All Bosch water heating appliances are constructed from high quality materials and

components and all are certified for compliance with relevant parts of Australian and New

Zealand gas, electrical and water standards.

Whilst Bosch water heaters are warranted against defects, the warranty is conditional upon

correct installation and use, in accordance with detailed instructions provided with the heater,

in the case of the water supplied to the heater, it is important that the water quality b e of

acceptable standard.

The water quality limits/parameters listed in water quality table are considered acceptable

and generally, Australian and New Zealand suburban water supplies fall within these

limits/parameters.

In areas of Australia and New Zealand where water may be supplied, either fully or partly,

from bores, artesian wells or similar, one or more of the important limits may well be

exceeded and the heater could, therefore, be at risk of failure.

Where uncertainty exists concerning water quality, intending appliance users should seek a

water analysis from the water supplying authority and in cases where it is established that the

water supply does not meet the quality requirements of the water quality table, the Bosch

warranty would not apply.

Wat er qualit y t able

Maximum levels

Sat ur at ion

Index(LSI)

(langelier)

Tot al

Hardness

Chlorides

Sodium

Ir on

6.5-9.0 +0.4 to -1.0

at 65 °C

200

mg/ l

250

mg/ l

180

mg/ l

Table 8

25/10/2011

9 708 069 951 Page

6 720 608 992 (2011/ 12)

9 708 069 951 31/10/20

Page 10

Warranty details

Robert Bosch (Australia) Pty Ltd

(Bosch) Manufacturer's Warranty

(Applicable for purchases from 1 January 2012)

All Bosch hot water units are carefully checked, tested and subject to stringent quality controls.

1. Warranty

Bosch offers, at its option, to repair or exchange this Bosch hot water unit or the relevant part listed in

clause 2 below at no charge, if it becomes faulty or defective in manufacture or materials during the

warranty period also stated in clause 2. This warranty is offered in addition to any other rights or remedies

held by a consumer at law.

2. Warranty periods & coverage

(a) Domestic applications: 2 years (parts and labour)

(b) Heat exchangers used in domestic applications: 10 years (parts only)

(d) Heat exchangers used in Commercial applications 12 months (parts only)

All warranty periods commence on the date of purchase of the hot water unit by the end-user. However,

where the date of purchase by the end-user is more than 24 months after the date of manufacture, all

warranty periods will automatically commence 24 months after the date of manufacture.

3. Warranty exclusions

This warranty is VOID if any damage to or failure of the hot water unit is caused wholly or partly by:

(a) Faulty installation

(b) Neglect, misuse, accidental or non-accidental damage, failure to follow instructions

(d) Unauthorised repairs or alterations to the unit without Bosch's consent

(e) Use of unauthorised parts and accessories without Bosch's consent

(f) Use of non-potable water or bore water in the hot water unit (see product instructions for further details)

(g) Continued use after a fault becomes known or apparent.

This warranty DOES NOT include:

(a) Costs of consumables or accessories

(b) Wear and tear, normal or scheduled maintenance

consequential losses or other expenses

(d) Changes in the condition or operational qualities of the hot water unit due to incorrect storage or

mounting or due to climatic, environmental or other influences.

NOTE: Any service call costs incurred by the owner or user of the hot water unit for any matter not covered

by the terms of this warranty will not be reimbursed by Bosch, even if those costs are incurred during the

warranty period. If the hot water unit is located outside the usual operating area of a Bosch service agent,

the agent's travel, freight or similar costs are not covered by this warranty and must be paid by the owner or

user of the hot water unit.

4. Warranty conditions

(a) Proof of purchase may be required.

(b) The hot water unit must be installed by an authorised and licensed installer.

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