ECR International MAC 115 COMBI Leitfaden

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 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 re department.

- Installation and service must be performed

by a qualied installer, service agency or the

gas supplier.

USER'S

INFORMATION

MANUAL

Information and specications outlined in this manual in eect at the

time of printing of this manual. Manufacturer reserves the right to

discontinue, change specications or system design at any time without

notice and without incurring any obligation, whatsoever.

For Use with Boiler Models:

MAC/DCC 115, 150, 205 COMBI

MAH/DCB 125, 165 HEATING ONLY

Manufactured by:

ECR International Inc.

2201 Dwyer Avenue, Utica, NY 13501

Tel. 800 325 5479

www.ecrinternational.com

PN 240011974, Rev. A [04/30/2020]

1.1 GENERAL

This boiler has few USER serviceable parts. Maintenance

and Service shall be completed by qualied agency.

NOTICE

Used to address practices not related to personal

injury.

CAUTION

Indicates a hazardous situation which, if not avoided,

could result in minor or moderate injury.

WARNING

Indicates a hazardous situation which, if not avoided,

could result in death or serious injury.

DANGER

Indicates a hazardous situation which, if not avoided,

WILL result in death or serious injury

This is the safety alert symbol. Symbol alerts you toThis is the safety alert symbol. Symbol alerts you to

potential personal injury hazards. Obey all safety messages potential personal injury hazards. Obey all safety messages

following this symbol to avoid possible injury or death.following this symbol to avoid possible injury or death.

1.2 BECOME FAMILIAR WITH SYMBOLS

IDENTIFYING POTENTIAL HAZARDS.

1.3 WHAT TO DO SHOULD OVERHEATING OCCUR

Do not turn o or disconnect electrical supply to pumps. Do not turn o or disconnect electrical supply to pumps.

Shut o gas supply at location external to appliance. Shut o gas supply at location external to appliance.

1.4 WHAT TO DO IF BOILER OR ANY PART HAS

BEEN UNDER WATER

Do not use boiler if any part has been under water.Do not use boiler if any part has been under water.

Immediately call a qualied service technician to inspect Immediately call a qualied service technician to inspect

boiler and to replace any part of control system and anyboiler and to replace any part of control system and any

gas control which has been under water.gas control which has been under water.

WARNING

Fire, explosion, asphyxiation and electrical shock

hazard. Improper maintenance and service could

result in death or serious injury. Read this manual

and understand all requirements, including use of

qualied service agent where directed.

WARNING

Following service procedures shall be performed

by qualied service agent. Boiler owner shall not

attempt these steps. Failure to do so could result in

death or serious injury.

WARNING

Combustion chamber insulation in this product

contains ceramic ber material. Ceramic bers

can be converted to cristobalite in very high

temperature applications. The International Agency

for Research on Cancer (IARC) has concluded,

Crystalline silica inhaled in the form of quartz

or cristobalite from occupational sources is

carcinogenic to humans (Group1). Avoid breathing

dust and contact with skin and eyes. Use NIOSH

certied dust respirator (N95). This type of

respirator is based on the OSHA requirements

for cristobalite at the time this document was

written. Other types of respirators may be needed

depending on the job site conditions. Current

NIOSH recommendations can be found on the

NIOSH website at http://www.cdc.gov/niosh/

homepage.html. NIOSH approved respirators,

manufacturers, and phone numbers are also listed

on this website. Wear long-sleeved, loose tting

clothing, gloves, and eye protection. Apply enough

water to the combustion chamber lining to prevent

dust. Wash potentially contaminated clothes

separately from other clothing. Rinse clothes

washer thoroughly.

NIOSH stated First Aid. Eye: Irrigate immediately.

Breathing: Fresh air.

1 - GENERAL

Use of CO monitor is manufacturer recommendedUse of CO monitor is manufacturer recommended and may

be requirement of local jurisdiction.

WARNING

Fire, Explosion, Asphyxiation, Electrical shock

hazard! Flooding will result in damages such as

electrical problems, corrosion, inoperative parts,

mold and other unforeseen issues which can

occur over time. Any equipment determined by

a professional as damaged by a ood, dened as

excess of water or other liquid, shall be replaced.

Failure to follow these directions will result in a

Hazardous Situation.

PN 240012974 Rev. A [04/30/2020]

FOR YOUR SAFETY READ BEFORE OPERATING

WARNING

If you do not follow these instructions

exactly, a re or explosion may result

causing property damage, personal injury

or loss of life.

•This appliance is equipped with an ignition device

which automatically lights burner. Do NOT try to

light this burner by hand.

•Before operating smell all around appliance area for

gas. Be sure to smell next to oor because some gas

is heavier than air and will settle to the oor.

•Use only your hand to turn the gas shuto valve.

Never use tools. If valve will not turn by hand, do not

try to repair it, call a qualied service technician. Force

or attempted repair may result in re or explosion.

•Do not use this appliance if any part has been

under water. Immediately call a qualied service

technician to inspect appliance and to replace any part

of control system and any gas control which has been

under water.

•Do not block the ow of combustion or

ventilation air to boiler.

•Do not store or use gasoline or other ammable

vapors or liquids in the vacinity of this or any

other appliance.

2 - OPERATING INSTRUCTIONS

CAUTION

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 re department.

2.1 OPERATION

Boiler is wall mounted, fan assisted room-sealed

combination boiler, providing both central heating and

domestic hot water depending on model purchased.

•After initial lighting, boiler will provide central heating

(as required).

•Hot water is available whenever a hot tap is open

(Combi models only).

2.2 OPERATING INSTRUCTIONS

Stop! Read ALL Safety information above.

•Set thermostat to lowest setting.

• Turn “OFF” all electrical power to appliance.

•This appliance is equipped with an ignition device which

automatically lights the burner. Do not try to light

burner by hand!

• Turn gas shuto valve clockwise to closed position.

Handle should be perpendicular to gas pipe.

•Wait 5 minutes for any gas to clear. Smell for gas,

including near oor. If you smell gas, STOP! Follow

instructions on this page: “What To Do If You Smell

Gas.” If you do not smell gas, go to next step.

•Turn gas shuto valve counter clockwise to the open

position. Handle should be parallel to gas pipe.

•Replace front jacket panel.

• Turn “ON” electrical power to appliance.

•Set thermostat to desired setting.

•Set correct operating mode. See 2.4

• If the appliance will not operate, follow instructions TO

TURN OFF GAS TO APPLIANCE and call your service

technician or gas supplier.

2.3 TURN OFF GAS TO APPLIANCE

•Set thermostat to lowest setting.

• Turn “OFF” all electric power to appliance if service is

to be performed.

•Turn gas shuto valve handle clockwise to closed

position. Handle should be perpendicular to gas pipe.

2.4 OPERATING MODES

SYMBOL

DISPLAYED OPERATING MODE To enable the appliance in DHW - Heating or Heating only press

repeatedly and choose one of three available modes.

To disable the boiler operating modes and keep the frost protection

function enabled, press for at least 3 seconds. Just the symbol

appears on the display (the display back-lighting ashes if the boiler is

blocked).

DHW

DHW & HEATING

HEATING ONLY

PN 240012974 Rev. A [04/30/2020]

O  : H e a t i n g a n d D H W d i s a b l e d

(only boiler frost protection is active) Burner lit

Ignition fault DHW operating mode enabled

Boiler/system water pressure low Heating mode enabled

Call a qualied service technician Programming menu

Manually resettable fault Boiler information menu

Fault in progress Set unit of measurement

SYMBOL Explanation:

DHW temperature adjustment

(+ to increase the temperature and – to decrease it)

Heating water temperature adjustment

(+ to increase the temperature and – to decrease it)

Boiler operating information

Operating mode:

DHW – DHW & Heating – Heating Only

O – Reset – Exit menu/functions

BUTTON Explanation:

3.1 USER CONTROLS

3 - CONTROL

3.2 CENTRAL HEATING SYSTEM PRESSURE

Regularly check the pressure displayed on the pressure

gauge "B" is between 14.50 and 21.76 psi (1.0 - 1.5 bar),

with the boiler cold.

If the pressure is less than 14.50 psi, or higher than 21.76

psi call an authorized SERVICE technician.

Safety Relief Valve

Discharge line

WARNING

Burn and scald hazard. Safety relief valve could

discharge steam or hot water during operation.

PN 240012974 Rev. A [04/30/2020]

3.3 TEMPERATURE CONTROL

Press and respectively to adjust the CH and

DHW ow temperature (if an indirect storage tank is tted).

When the burner is lit, display shows the symbol .

HEATING: while boiler is operating in heating mode, the

display shows the ashing symbol and the heating ow

temperature °F / °C.

When connected to an Outdoor Temperature Sensor,

indirectly adjusts room temperature (factory setting 68°F /

20°C).

DHW: While boiler is operating in DHW mode, display

shows the ashing symbol and heating ow temperature

°F / °C.

3.4 BOILER INFORMATION MENU (See Below)

Press and hold for at least 1 second, to display the

information indicated in the table. Press to exit.

DESCRIPTION DESCRIPTION

00 Secondary fault internal code 09 Setpoint Central Heating (°F/°C)

01 Heating ow temperature (°F/°C) 10/11 Manufacturing information

02 Outdoor temperature (°F/°C) 12 Flue sensor temperature (°F/°C)

03 Indirect Tank DHW temperature (boiler CH only) 13 Manufacturing information

04 Domestic hot water temperature (boiler with plate

exchanger) 14 Identication Open Therm communication

05 Water pressure in heating system (PSI/bar) 15 Manufacturing information

06 Heating return temperature (°F/°C) 16 Manufacturing information

07 Thermo fuse status (000/001) 17 Fan speed (“i17”x100)

08 Not used 18 Manufacturing information

3.5 SHUTTING OFF THE BOILER

To turn o the boiler, disconnect the electric power supply.

In the “O” operating mode the boiler stays o but the

electrical circuits remain powered and the frost protection

function remains active.

3.6 FROST PROTECTION MODE

The electronic boiler management system includes a

“frost protection” function for the heating system which,

when delivery temperature falls below 41°F (5°C), lights

the burner until a delivery temperature of 86°F (30°C) is

reached.

This function is only operative if the boiler is electrically

powered, there is gas with normal system pressure and the

ue is not blocked.

3 - CONTROL

PN 240012974 Rev. A [04/30/2020]

3.7 ERROR MESSAGES AND RESETTING THE BOILER

ERROR DESCRIPTION OPERATION

09 Gas valve connection fault. Call an authorized SERVICE technician

10 Outdoor sensor fault . Call an authorized SERVICE technician

15 Gas valve error. Call authorized SERVICE technician

20 Central Heating NTC sensor fault. Call authorized SERVICE technician

28-29 Flue NTC heat exchanger sensor fault Call authorized SERVICE technician

40 Return NTC sensor fault. Call authorized SERVICE technician

50 Domestic Hot Water NTC sensor fault

(only for heating-only model with storage boiler). Call authorized SERVICE technician

53 Obstruction in ue pipe. Turn boiler o for a few seconds

If this fault persists, call authorized SERVICE technician

55 PCB not programmed. Call authorized SERVICE technician

83-84-

86-87

Communication problem between boiler board and

control unit. Probable short circuit on wiring. Call authorized SERVICE technician

98 Internal error. Call authorized SERVICE technician

109 Precirculation alarm (temporary fault). Call authorized SERVICE technician

110 Safety thermostat tripped due to over temperature

(probable blocked pump or air in heating circuit).

Press RESET (R) button for at least 2 seconds

If this fault persists, call authorized SERVICE technician

118 Hydraulic pressure too low. Call authorized SERVICE technician

125 No circulation safety trip

(control performed via temperature sensor).

Press RESET (R) button for at least 2 seconds

If this fault persists, call authorized SERVICE technician

128 Loss of ame. Press RESET (R) button for at least 2 seconds

If this fault persists, call authorized SERVICE technician

130 - 131 Flue NTC sensor tripped due to over temperature. Call authorized SERVICE technician

133 Ignition failure (5 attempts). Press RESET (R) button for at least 2 seconds

If this fault persists, call authorized SERVICE technician

134 Gas supply valve blocked. Press RESET (R) button for at least 2 seconds

If this fault persists, call authorized SERVICE technician

135 Internal error. Call authorized SERVICE technician

160 Fan fault. Call authorized SERVICE technician

162 Flue pressure switch (contact open) Call authorized SERVICE technician

317 Incorrect power supply frequency. Incorrect power supply frequency.

321 NTC domestic hot water sensor faulty. Call authorized SERVICE technician

384 Fault ame (parasitic ame). Press RESET (R) button for at least 2 seconds

If this fault persists, call authorized SERVICE technician

385 Input voltage too low. Call authorized SERVICE technician

To RESET boiler: press the button ( ) for at least 2 seconds

3 - CONTROL

PN 240012974 Rev. A [04/30/2020]

4 - MAINTENANCE

Perform general housekeeping and maintenance as

specied below.

4.1 Continuous

• Keep boiler area free from combustible materials,

gasoline and other ammable vapors and liquids.

• Keep combustion air and vent terminations (outside

building) free from trash, vegetation and other items

capable of blocking ow.

CHECK LIST

If a fault develops, or is suspected, call your Service

Technician as soon as possible. Go through the following

check list before you contact Service Agency.

• Is electricity supply on?

• Is display ON and symbols displayed?

• Is symbol displayed?

•Is gas supply on?

• Is main water supply turned on?

• Is system pressure correct?

•Are boiler temperature controls set high enough?

•Is room thermostat (if tted) set high enough?

• Are radiator valves open?

4.2 Monthly

• Inspect combustion air, vent, and condensate drain

piping for deterioration, leaks or sagging. Contact

qualied agency, as necessary.

•Inspect system piping for leaks. Contact qualied

agency, as necessary.

• Inspect condensate drain trap for sediment or

blockage. Contact qualied agency if cleaning

required.

•Check air vent(s) for leakage.

•Follow OPERATING INSTRUCTIONS to return to normal

operation.

WARNING

Burn and scald hazard. Verify Safety Relief Valve

discharge piping run to safe discharge location before

conducting maintenance procedure. Contact qualied

agency to correct improper piping.

4.3 Check According to Manufacturer’s

Instructions

Safety Relief Valve - Refer to manufacturer’s instructions.

4.4 Annually or Beginning Each Heating Season

•Contact qualied agency to perform maintenance and

cleaning per Installation, Operation and Maintenance

manual. Inspection will include examining all ue

product carrying areas, vent system, burner and heat

exchanger.

•Will also include lling boiler with water if drained as

part of End of Heating Season procedure.

•Condensate trap may require cleaning and relling.

4.5 End of Heating Season, if boiler not used for

domestic hot water

•Follow instructions to TURN OFF GAS TO APPLIANCE.

See section 2.

•Contact qualied agency to drain heating system (if

system does not use antifreeze) and condensate trap

if heating system is exposed to freezing temperatures

while out of service.

WARNING

Asphyxiation hazard. Contact qualied agency if

condensate trap is not lled with water.

PN 240012974 Rev. A [04/30/2020]

All specications subject to change without notice.

2201 Dwyer Avenue, Utica, NY

13501 Tel. 800 325 5479

www.ecrinternational.com

BDR THERMEA GROUP

Name:

Address:

Phone: Email:

Installer Information

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