IBC EBX Series Manuale utente

Residential Electric Boiler

EBX4K-240 (model #IBEXSW1-004K)

EBX8K-240 (model #IBEXSW1-008K)

EBX10K-240 (model #IBEXSW1-010K)

EBX12K-240 (model #IBEXSW1-012K)

INSTALLATION &

OPERATINGMANUAL

WARNING

Risk of electric shock. If the information in this manual is not followed exactly, a fire or

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

Do not store or use gasoline or other flammable vapors and liquids or other combustible

materials in the vicinity of this or any other appliance.

Water quality

Warning

Water quality has a significant impact on the lifetime and performance of a boiler's heat

exchanger.

Improperly prepared water in a heating circuit may cause damage to the heat exchanger

through fouling or corrosion. Repeated or uncontrolled water fills will increase the potential

for damage.

High levels of dissolved solids or minerals may precipitate out of the fluid 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 reduce dissolved solids to 30 ppm.

Other water chemistry allowable limits are as follows:

Acidity pH is to be between 6.6 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 77°F (25°C)

7 grains/ gal (120 ppm)

Important: Ensure that these limits are acceptable for the other water-side components in

the system.

Shipped with the boiler:

1 x Wall mounting bracket

1 x 30 psig pressure relief valve

2 x ¼" x 2 ½" Lag screws/w flat washers

Safety information

Manual safety markings

Danger

Points out an immediate hazardous

situation that must be avoided to

prevent serious injury or death.

Warning

Points out a potential hazardous

situation that must be avoided to

prevent serious injury or death.

Caution

Points out a potential hazardous

situation that must be avoided to

prevent possible moderate injury

and/or property damage.

Note

Points out installation, maintenance and

operational notes to enhance efficiency,

longevity and proper operation of the

boiler.

Important safety instructions

Installation, start-up and servicing of IBC boilers must be performed by competent, qualified, 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, and in extreme

cases to death. Keep instructions near the air handling appliance for future reference.

Danger

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

any other appliance. If you smell gas vapors, do not try to operate any appliance - do not

touch any electrical switch or use any phone in the building.

Warning

Do not use this boiler if any part has been under water. Immediately call a qualified service

technician to inspect the boiler and to replace any part of the system that has been under

water.

Safety information

Warning

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

property damage, personal injury, or loss of life. Read and understand the entire

manual before attempting installation, start-up, operation, or service. Installation and

service must be performed only by an experienced, skilled installer or service agency.

Failure to follow all instructions in the proper order can cause personal injury or death.

Read all instructions, including all those contained in component manufacturers’

manuals before installing, starting up, operating, maintaining, or servicing the

appliance.

Warning

Disconnect power supply before any wiring/service is performed. Failure to do so could

result in damage to appliance and/or electric shock.

Caution

The boiler must be installed so that electrical components are not exposed to water

during operation.

Known contaminants

Known Corrosive Contaminants to Avoid

Cements and glues Refrigerant leaks from cracks in coils

Paint or varnish removers Sodium chloride or potassium chloride used for

water softening

Adhesives used to fasten building products

and other similar products

Chemicals in perming solutions

Chlorinated waxes or cleaners Chlorofluorocarbon chemicals found in spray cans

Chlorine-based swimming pool chemicals Antistatic dryer sheets in clothes dryers

Hydrochloric acid or muriatic acid used in

household cleaning and stain removal

Chlorine-type bleaches, detergents, and cleaning

solvents found in household laundry rooms

Calcium chloride used for snow clearing

Section: Safety information

Contents

Safety information 3

Manual safety markings 3

Important safety instructions 3

Known contaminants 4

Specifications 7

Cabinet dimensions 7

EBX-series dimensions 7

Connection specifications 8

4.0 Introduction 13

4.1 Standard features and benefits 13

4.2 Warranty 13

4.3 Internal view 14

5.0 Before installation 17

6.0 Installation 19

6.1 Code requirements 19

6.2 Removing an existing gas boiler 19

6.3 Determining the location of the boiler 20

6.4 Mounting the boiler 20

6.5 Installation clearances 22

6.6 Closet installations 22

6.7 Water Piping 22

6.8 Boiler Pump 24

6.9 Propylene glycol usage 25

6.10 Relief Valve 26

6.10.1 Pressure Gauge 26

6.11 General piping best practices 27

6.12 Electrical connections 36

6.12.1 Power management, quality and electrical protection 36

6.12.2 240VAC line-voltage hook-up 36

6.12.3 Boiler pump 37

6.12.4 Thermostat wiring 37

6.12.5 Other wiring 38

6.12.6 Load pump wiring 38

7.0 About the boiler controller 41

7.1 Controller 41

7.2 Control interface 42

7.2.1 Heat Types 43

8.0 Before operating the boiler 47

Checklist for electrical conditions and water connections 47

9.0 Boiler operation 49

9.1 Starting and shutting down the boiler 49

10.0 Service and maintenance 51

10.1 Maintenance checklist for homeowner 51

10.2 Replacing the elements 52

10.3 Replacing the pump 53

11.0 Troubleshooting 55

11.1 Electronic components 55

11.1.1 Temperature sensors 55

11.2 Troubleshooting error messages 57

11.2.1 Temperature issues 58

11.2.2 Miscellaneous issues 59

11.2.3 Cycling issues 59

Appendices 61

Wiring diagrams 61

Boiler parts diagram - EBX-series Boiler 64

Installation & Commissioning Report 66

Section: Contents

Specifications

Boiler Specification EBX4K-240 EBX8K-240 EBX10K-240 EBX12K-240

Power @ 240V 1.3 - 13.7 MBH

0.4 - 4.0 kW

2.7 - 27.3 MBH

0.8 - 8 kW

3.4- 34.1 MBH

1.0 - 10.0 kW

4.1 - 41.0 MBH

1.2 - 12.0 kW

Power @ 208V 1.0 - 10.2 MBH

0.3 - 3 kW

2.1 - 20.5 MBH

0.6 - 6.0 kW

2.6 - 25.6 MBH

0.8 - 7.5 kW

3.1 - 30.7 MBH

0.9 - 9.0 kW

Maximum Current Draw (with

pump) @ 240V

17.6 A 34.2 A 42.6 A 50.9 A

Maximum Current Draw (with

pump) @208V

15.4 A 30.0 A 37.1 A 44.3 A

Breaker Size 30 A 45 A 60 A 70 A

Copper Wire Size 10 AWG 8 AWG 8 AWG 6 AWG

Minimum Ambient temperature 32°F / 0°C

Max. Ambient temperature 122°F / 50°C

Maximum relative humidity

(non-condensing)

90%

Minimum water temp. 34°F / 1°C

Maximum water temp.

(electronic hi-limit)

190°F/ 88°C

Max. Water Temperature

Lockout Limit

210°F/ 99°C

Weight (empty) 29 lbs / 13.2 kgs

Minimum boiler flow rate 0.7 USgpm /

2.6 Lpm

1.4 USgpm /

5.3 Lpm

1.7 USgpm /

6.4 Lpm

2.1 USgpm /

8.0 Lpm

Maximum boiler flow rate 4.2 USgpm / x 16 Lpm

Maximum operating water

pressure*

50 psig / 345 kPa

Minimum water pressure 8 psig / 55 kPa

Element construction Titanium

*Boiler ships with a 30 psi Pressure Relief Valve

Cabinet dimensions

EBX-series dimensions

Figure 1 Frontal view - EBX-series Boiler Figure 2 Side view - EBX-series Boiler

Figure 3 Top view - EBX-series Boiler Figure 4 Bottom view - EBX-series Boiler

Connection specifications

The following table displays the required connection specifications.

Section: Specifications

Description EBX-series Boiler

A Supply water outlet 3/4" NPT-M

B Return water inlet 3/4" NPT-M

C Supply power knock-out Dual 3/4" and 1"

D Control wiring knock-out 1/2"

Table 1 Connections

Connection specifications

Intentionally left empty

Section: Specifications

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