IBC DC Series Leitfaden

USER’S INFORMATION MANUAL

www.ibcboiler.com

DC Series Combi Boilers

HC Series Boilers

(Natural Gas or Propane)

WARNING: If the information in this manual is not followed exactly, a re or

explosion may result causing property damage, personal injury, or loss of life.

Do not store or use gasoline or other ammable vapours and liquids or other

combustible materials 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 nearby phone. Follow the gas

supplier’s instructions.

• If you cannot reach your gas supplier, call the re department.

Installation and service must be performed by a qualied installer, service

agency or the gas supplier.

This Manual is also available in French - contact IBC or visit our web site www.ibcboiler.com

USER’S INFORMATION MANUAL

DC/HC SERIES BOILERS

SAFETY CONSIDERATIONS

Installation, start-up and servicing of IBC boilers must be done with due

care and attention, and should only be performed by competent, qualied,

licensed and trained heating technicians. Failure to read and comply with

all instructions and applicable National and local codes may result in

hazardous conditions that could result in property damage and injury to

occupants which in extreme cases might result in death.

HAZARDS & PRECAUTIONS

WARNING

If the information in this

manual is not followed

exactly, a re or explosion

may result causing property

damage, personal injury, or

loss of life.

WARNING

Points out a potentially

hazardous situation which

must be avoided to prevent

serious injury or death.

CAUTION

Points out a potentially

hazardous situation which

must be avoided to prevent

possible moderate injury and/

or property damage

NOTE

Points out installation,

maintenance and operation

details that will result in

enhanced efciency, longevity

and proper operation of your

boiler.

DANGER

Points out an immediately

hazardous situation which

must be avoided in order to

prevent serious injury or

death.

BEST PRACTICES

Points out recommendations

for better installation.

USER’S INFORMATION MANUAL

DC/HC SERIES BOILERS

CONTROL ..............................................................8

USER – INSTALLER INTERFACE ...........................................8

TANKLESS DOMESTIC HOT WATER MODES ................................10

OPERATING AND SERVICE DISPLAY CODES................................11

LIGHTING AND SHUTTING DOWN THE BOILER ..............................12

MAINTENANCE.........................................................13

PARTS DIAGRAMS ......................................................16

SERVICE RECORD ......................................................20

CONTENTS

USER’S INFORMATION MANUAL

DC/HC SERIES BOILERS

PAGE INTENTIONALLY LEFT BLANK

USER’S INFORMATION MANUAL

DC/HC SERIES BOILERS

Hotter water increases the risk of scald injury. Before changing the temperature setting, see

instruction manual.

WARNING

CAUTION

WATER HEATER INSTALLATION GUIDELINES

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

Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation Code,

CAN/CSA B149.1, as applicable.

Failure to correctly install and operate this appliance can result in severe personal injury

The water heater, if utilized, shall have a pressure relief valve installed within 6” [152mm] of the

DHW HOT outlet connection with the relief valve spindle installed in the vertical position.

The water heater, if utilized, requires a pressure relief valve identiﬁed with the ASME V or HV

symbol and set to relieve at or below 150psi of domestic water pressure and a minimum

For complete information refer to installation manual.

Read and follow warnings and instructions.

or death.

Refer to the Boiler User’s Manual before operating relief valve.

relieving capacity of 124,000 Btu/hr with 3/4” NPT threads. For safe operation of the water

heater, the relief valve must not be removed from its designated point of installation or plugged.

ADJUSTABLE TEMPERATURE SETTING

Press the and hold for 2 seconds, then press again. When the LED is lit, the

Domestic Hot Water temperature can be set.

USER’S INFORMATION MANUAL

DC/HC SERIES BOILERS

WARNING

Close ll valve after any

addition of water to the

system, to reduce risk of

water escapement.

WARNING

Water quality has a signicant

impact on the lifetime and

performance of an IBC Boiler

heat exchanger.

Improperly prepared water in

a heating circuit may cause

damage to the heat exchanger

through corrosion or fouling.

Repeated or uncontrolled

water lls will increase the

potential for damage.

High levels of dissolved

solids or minerals may

precipitate out of the uid

onto the hottest part of the

heat exchanger, impairing

heat transfer and resulting in

overheating and premature

failure. The amount of solids

that may form on the heat

exchanger will depend on

the degree of hardness and

the total water volume in the

system. A high water volume

system with a low hardness

count may cause as much

damage as a system with less

volume and higher hardness,

so it is recommended to treat

water so as to remove all

dissolved solids. Other water

chemistry allowable limits are

as follows:

•Acidity pH is to be between

6.5 and 8.5

•Chloride is to be less than

125 mg/l

•Iron is to be less than 0.3

mg/l

•Cu less than 0.1 mg/l

•Conductivity is to be less

than 400μS/cm (at 25°C)

•Hardness is to be 7 Grains

or less

IMPORTANT: Ensure that

these limits are acceptable

for the other water-side

components in the system.

WARNING

HOT WATER CAN SCALD!

Water Temperatures over

125°F / 52°C can cause severe

burns instantly or death from

scalds.

Children, disabled, and

elderly are at highest risk of

being scalded.

• Never leave then

unattended in or near the

shower, bathtub or sink.

• Never allow small children

to use a not water faucet or

draw their own bath.

To avoid any potential scald

hazard or if codes require

specic water temperatures

at the hot water faucet, the

installer must:

•Install the factory supplied

thermostatic mixing valve at

this appliance and ensure it

is working properly.

AND

•Set the thermostatic

mixing valve to the lowest

temperature which satises

your hot water needs.

TO AVOID INJURY:

•Feel and adjust water

temperature before bathing

or showering.

•Water drained from the

system drain valve may be

extremely hot.

•Make sure all connections

are tight.

•Direct water ow away from

any person.

USER’S INFORMATION MANUAL

DC/HC SERIES BOILERS

WARNING

Do not use this boiler if any

part has been under water.

Immediately call a qualied

service technician to inspect

the boiler and to replace any

part of the control system and

any gas control that has been

under water.

DANGER

Should overheating occur

or the gas supply fails to

shut off, do not turn off or

disconnect the electrical

supply to the pump. Instead

shut off the gas supply at

a location external to the

appliance

WARNING

Keep boiler area free

and clear of combustible

materials, gasoline, and

other ammable vapours

and liquids.

WARNING

Combustion air must not be

drawn from areas containing

corrosive air from swimming

pools or spas, including air

directly next to outdoor pools

and spas.

WARNING

The boiler shall not be

exposed to water leaks from

piping or components located

overhead. This includes

condensation dropping from

un-insulated cold water lines

overhead.

WARNING

In areas of high snow fall,

users must check side wall

exhaust vent and air intake

terminations on a regular

basis to ensure blockages do

not occur.

WARNING

Bacteria growth can develop

in domestic hot water tanks

and indirect water heaters

if the minimum water

temperature is not set high

enough to prevent its growth.

DANGER

The thermostatic mixing valve

installed with the DC Series

Combi Boiler is to protect

the users from scalding

from excessive hot water

temperatures at the faucets.

The thermostatic mixing

valves are user adjustable.

To achieve a higher domestic

hot water temperature, set

the valve to a higher number.

To achieve a lower domestic

hot water temperature set the

valve to a lower number.

USER’S INFORMATION MANUAL

DC/HC SERIES BOILERS

CONTROL

1Power Indicator APower - ON / OFF

2Space Heating BSpace Heating / DHW Toggle

3Domestic Hot Water CMinus

4Main Display DPlus

5Fahrenheit and PSI EFahrenheit/Celsius

6Celsius and Bar FDomestic Hot Water Comfort / Eco

7Comfort / ECO / OFF - Indicator GService

8Comfort / ECO / OFF - Indicator HReset Button

9Service Display

10 Flashes to indicate a fault

Table 1: Controller Indicators and Buttons

NOTE: The control displays codes that include upper and lower case letter

and a combination with a period after the letter. Example: C, c., c are all valid

parameter codes. When adjusting settings, double check that you are in the

correct parameter.

USER – INSTALLER INTERFACE

Appliance ON/OFF

The boiler can be switched on and off with the On/Off button. When the boiler

is “ON”, the green LED above the On/Off button will be on. When the boiler is

on and there is no call for heat or DHW the displays are blank.

If the boiler is being powered up after a power outage, the boiler will return to

heating as it was when the power was removed from the boiler.

CAUTION

Before adjusting the control

settings, read the control

instructions carefully.

USER’S INFORMATION MANUAL

DC/HC SERIES BOILERS

PSI and Fahrenheit / Bar and Celsius

PSI and Fahrenheit are the default setting as shipped from the factory. To

change to Bar and Celsius simply press the to toggle Fahrenheit and Celsius.

Programing Mode

USER MENU

Adjusting the Space Heating Water Temperature

To enter the User Menu simply hold down the Space Heating /DHW Toggle

button for 2 seconds. The LED beside the will illuminate and the current

maximum heating system water temperature will be displayed in the 4 digit

display. To alter this value simply press the Plus +or the Minus -buttons.

Adjusting the Domestic Hot Water Temperature

Press the Space Heating /DHW Toggle button a second time and the LED

beside the will illuminate and the current tankless domestic hot water

temperature target is displayed in the Main Display. To alter this value simply

press the Plus +or Minus -buttons.

Saving the Changes

To exit from the User Menu and save the changes press the Reset button.

Pressing the On/Off button will also exit the User Menu but will NOT save the

changes.

NOTE

The domestic hot water

thermostat is adjusted it its

lowest temperature position

when shipped from the

factory. It’s recommended to

set the domestic hot water

thermostat to 120°F/49°C as

an initial setting and further

adjust as required. For

energy efcient operation,

this setting should be set

as low as practical for the

consumer’s needs.

USER’S INFORMATION MANUAL

DC/HC SERIES BOILERS

TANKLESS DOMESTIC HOT

WATER MODES

DC SERIES BOILERS ONLY

Tankless Domestic Hot Water - Standard, Comfort and

ECO Comfort Modes

Standard Mode (both LEDs are off): The boiler’s heat exchanger will not

maintain its domestic hot water temperature between demands for hot water.

(This the most energy efcient mode but will result in the “Cold Water Sandwich

Effect”.) The boiler will respond to a call for domestic hot water as a priority over

the space heating demand. When the domestic hot water demand is satised the

boiler will return to the space heating load if the load is still calling.

Comfort Mode (the top LED is on): The boiler’s heat exchanger will maintain

the pre-programmed temperature set in parameter n. or as set for the Tankless

hot water temperature. (This is the least efcient mode but does offer the

most consistent hot water delivery temperatures). This temperature will be the

minimum temperature of the heat exchanger at all times unless the boiler is

heating a low temperature load.

ECO Comfort Mode (the bottom LED is on): This mode operates like the

Comfort Mode but has the added advantage of learning when the domestic hot

water is used. During the low use periods the boilers heat exchanger is allowed

to cool. (This mode is the most practical of the three options).

To toggle between the 3 modes simply press the Domestic Hot Water Comfort /

Eco button.

Table of Programmable Parameters

PARAMETER DESCRIPTION DEFAULT RANGE / OPTIONS

USER SET UP

Boiler Supply Temperature 180°F (82°C) 86°F (30°C) to 194°F (90°C)

Tankless Domestic Hot Water

Temperature

120°F (49°C) 104°F (40°C) to 149°F (65°C)

Table 2: Programmable Parameters

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