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ZWB28-3A

Bosch ZWB28-3A, ZWB42-3A, Greenstar combi 100 p, Greenstar combi 151 p Operating Instructions Manual

0 (0)
6720872363 (2017/04) US/CA
Operating Instructions
Residential Gas Condensing Boiler
Greenstar combi 100 p / 151 p
ZWB28-3A... | ZWB42-3A...
2 | Contents
Contents
1 Explanation of symbols and safety instructions . . . . . . . . . . . . . . . . . . . . . . .4
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2 Information about the appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
2.1 Certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
2.2 Proper use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
2.3 Overview of boiler types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3 Preparing the appliance for operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3.1 Checking the boiler water pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3.2 Topping up the heating system water . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
4 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
4.1 Overview of controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
4.2 Switching the appliance ON/OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
4.3 Turning the space heating ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
4.4 Programming the heating control unit. . . . . . . . . . . . . . . . . . . . . . . . . . . .18
4.5 Setting the DHW temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
4.6 Setting manual summer mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
4.7 Setting frost protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
4.8 Activating the key pad lock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
4.9 Display codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
5 Energy saving tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
6 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
7 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Contents | 3
6720872363 (2017/04)
Greenstar combi 100 p / 151 p
8 Environmental protection and disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
9 Quick reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4 | Explanation of symbols and safety instructions
1 Explanation of symbols and safety instructions
1.1 Explanation of symbols
Warnings
In warnings, signal words at the beginning of a warning are used to indicate the type and seriousness of the ensuing risk if measures for minimizing danger are not taken.
The following keywords are defined and can be used in this document:
DANGER:
DANGER indicates a hazardous situation which, if not avoided, could result in death
or serious injury.
WARNING:
WARNING indicates a hazardous situation which, if not avoided, could result in
death or serious injury.
CAUTION:
CAUTION indicates a hazardous situation which, if not avoided, could result in minor
to moderate injury.
NOTICE:
NOTICE is used to address practices not related to personal injury.
Explanation of symbols and safety instructions | 5
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Important Information
The info symbol indicates important information where there is no risk to people or property.
Additional symbols
Table 1
1.2 Safety instructions
HGeneral information
This manual is available in English and French. ▶ Keep this manual for future use.
▶ Observe the safety instructions of this manual
before putting the heating appliance into operation.
If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
▶ Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other appliance.
Symbol Explanation
▶ Sequence of steps Cross-reference to another part of the document
• Listing/list entry – Listing/list entry (2nd level)
6 | Explanation of symbols and safety instructions
▶ 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.
▶ Installation and service must be performed by a
trained and certified heating contractor, service agency or the gas supplier.
HIf you smell gas
▶ Turn off the gas shut-off valve. ▶ Open windows and doors. ▶ Do not touch any electrical switch, telephone, and
do not use outlets. ▶ Extinguish all open flames. ▶ Do not smoke! ▶ Do not use lighters! ▶ Warn all occupants of the building, but do not ring
any bell.
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6720872363 (2017/04)
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▶ From outside the building, call the gas supply
company and a trained and certified installer or service company.
HIf you smell flue gas
▶ Switch OFF the appliance ( page 16).
▶ Open windows and doors.
▶ Inform a trained and certified heating contractor.
HFor appliances operating on room air:
Danger of flue gas poisoning if supply of combustion air is insufficient
▶ Safeguard supply of combustion air.
▶ Do not cover or reduce the size of ventilation
openings in doors, windows and walls.
▶ Safeguard sufficient supply of combustion air also
for appliances installed at a later date, e.g. kitchen exhaust fans, clothes dryers, and air conditioning units with vent to the outside.
▶ Never operate the appliance if the supply of
combustion air is insufficient.
HDanger of explosion of flammable gases
▶ Only employ a trained and certified contractor to
carry out work on the gas train.
8 | Explanation of symbols and safety instructions
HRisk of scalding
▶ If running at DHW temperatures above 104 °F
(40 °C) ask a trained and certified heating
contractor to install a tempering valve to prevent
scalding. ▶ When the thermal disinfection function is
enabled, DHW temperatures above 140 °F (60 °C)
can occur.
HRisk of damage due to operator error
Operator errors can result in personal injury and damage to property.
▶ Ensure that children never operate this appliance
unsupervised or play with it. ▶ Ensure that only people who know to operate this
appliance correctly have access to it.
HInstallation, conversion
Only have the appliance installed or modified by a trained and certified heating contractor.
Never modify any parts that carry flue gas. Never close the outlet of safety valves. Water may be
expelled from any safety valve during heat-up.
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HInspection and maintenance
The operator is responsible for safety and
environmental compliance of the heating system.
Sign a maintenance and inspection contract with a
trained and certified contractor, covering an annual
inspection and demand-dependent maintenance.
This guarantees high efficiency and environmentally
sound combustion.
HExplosive and easily combustible materials
Never use or store easily combustible materials
(paper, thinners, paints, etc.) near the appliance.
HCombustion air / room air
To prevent corrosion, keep the supply of
combustion air / room air free of corrosive substances
(e.g. halogenated hydrocarbons that contain chlorine
or fluorine compounds).
HOverheating of the appliance
Should overheating occur or the gas supply fail to shut
off, do not turn off or disconnect the electrical supply
to the pump. Instead, shut off the gas supply at a
location outside of the appliance.
10 | Information about the appliance
HIn case of water damage
Do not use this boiler if any part has been under water. Immediately call a trained and certified service technician to inspect the boiler and to replace any part of the control system and any gas control which has been under water.
2 Information about the appliance
2.1 Certifications
This product has been tested and certified for the US and the Canadian market and complies with all applicable standards required for the US and the Canadian market.
2.2 Proper use
The appliance may only be installed in closed loop hot water central heating systems.
Any other purpose is considered improper use. Any resulting damage is excluded from the manufacturer's warranty.
The commercial and industrial use of the appliance for generating process heat is not permitted.
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