IDEAL Logic HIU 50 Indirect Manuel utilisateur

PRODUCT GUIDE

WE HAVE IT COVERED.

LOGIC HEAT

INTERFACE UNITS

(HIUs)

Ideal Commercial Boilers is the UK’s market leader of

high efﬁciency commercial heating solutions.

Operating from its Hull manufacturing plant and ofﬁces

since 1906, Ideal Commercial Boilers is one of the few

true British manufacturers left in the heating industry.

Your phone or tablet can let you

appreciate our Condensing Boiler range

in a new dimension.

The Ideal Commercial Eye app uses

the latest technology to project 3D

renders from the page of this brochure

on to your device.

To see this for yourself, simply download the

Ideal Commercial Eye app for free from your

device’s app store. Open the app and then

place your device over the image that has

this icon next to it:

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THE APP

BRING BOILERS TO LIFE

4 HIU Introduction

Logic HIU range

6-9 Logic HIU 50 Indirect

10-13 Logic HIU 75 Indirect

14-17 Logic HIU 50 Direct MT

18-20 Logic HIU 50 Direct HT

Metering & Accessories

21 CF Echo II

21 CF UltramaxX V

21 Accessories

Condensing Boiler range

23 Evomax

24-25 Evomax Cascade

26 Imax Xtra

27 Imax Xtra EL

28 Evomod

29 Evojet

30-31 Commercial range overview

32-33 Stelrad radiators

34-35 Ideal Training & Support

TYPICAL

SYSTEM.

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THE APP

LOGIC HIU

INTRODUCTION

The Ideal Heat Interface Units are heat energy transfer

units. Designed for use in conjunction with centralised

boilers, district heating or central energy systems. The

function is to efﬁciently transfer heat from the plant

room to the individual dwelling’s central heating (CH)

and domestic hot water (DHW) systems.

TYPICAL SYSTEM

Ideal HIUs incorporate an internal electronic control

unit which ensures not only maximum efﬁciency,

improved reaction time and control but also

incorporates other additional features.

Modulating valves control the supply of hot water to

both the space heating and domestic hot water within

the apartment.

The thermally insulated casings minimise heat loss

from the unit.

Maximum energy saving from the HIUs can only be

achieved if the system is designed correctly and HIUs

are selected and sized correctly.

To ensure maximum efﬁciency, reliability and

performance the system must be designed and

commissioned in accordance with CIBSE.

IDEAL LOGIC HIU

BENEFITS

THE BENEFITS OF IDEAL LOGIC HIUs ARE:

• Compact design requiring a minimum amount of space

• Minimal routine maintenance since they do not require

regular servicing or maintenance

• All the Logic HIUs incorporate a spacer piece which can

be easily removed and a heat meter ﬁtted inside the unit.

This allows the energy used by each individual apartment

to be recorded and charged accordingly

THE LOGIC HIU RANGE HAS TWO METER

OPTIONS AVAILABLE:

• CF ECHO II

• CF ULTRAMAXX V

Depending upon the meter chosen the energy used can

be monitored and recorded automatically which enables

automatic billing to the tenants.

For information on how to design Ideal Logic HIUs

into you next project please refer to the Design Guide which

covers:

• Unit selection

• Heating system layout

• Integration of low carbon heat sources

• Prediction of hot water simultaneous demands

SAP has been adopted by the Government as part of

the UK’s national standard for calculating the energy

performance of buildings.

Every new building has to have an SAP rating. It provides a

simple means of reliably estimating the energy efﬁciency.

SAP ratings are expressed on a scale of 1 to 100, the higher

the number the more energy efﬁcient the building.

SAP RATING

* After shut-off valves are installed the connections become a female 3/4’’.

CONNECTION A B C

Thread G¾” G½” G1”*

D E F Depth inc. Cover kg

65mm 550mm 630mm 265mm 19

A ABB

• Twin plate design hydraulically separates both domestic

and space heating from the central primary supply

• Internal electronic control unit with LCD display

• The standard unit can be set to hold a stable heating

ﬂow temperature, to suit the installation (radiators, UFH

for example), but crucially, can also be set to vary the

heating ﬂow temperature automatically depending on the

temperature of the heating return water

• Automatically compensates for changes due to external

inﬂuences, such as outside temperature etc. thereby

ensuring that the unit and the system operate at maximum

efﬁciency

• Pump bypass protection, in case of complete radiator

TRV shutdown

• Compact and lightweight

• Fully insulated EPP front cover

• Convertible to underﬂoor heating

• Conﬁgurable hot water priority

• Pressure independent control valve

• Ability to pre-heating of the DHW exchanger

FEATURES & BENEFITS

The Logic heat interface unit is the latest

‘intelligent’ range of HIU from Ideal. The Logic

HIU is the complete solution for instantaneous

hot water production and space heating control.

This is an indirect wall mounted HIU, providing

50 kW instantaneous priority DHW and 15 kW

modulated CH. This can be converted to under

ﬂoor heating including inbuilt safety thermostat

capability.

LOGIC HIU

50 INDIRECT

LOGIC HIU

Maximum working pressure: 16 bar - primary

3 bar - secondary

Maximum temperature 85°C

Max. Percentage of glycol 30%

Max. Recommended primary

circuit ﬂow rate

1.2 m³/h

PRIMARY PERFORMANCE

Heat Interface Unit 50

Primary ball valve set

Domestic connection ﬂow & return valve kit

Filling loop connection kit valves

Flushing By-pass

CF Echo II

CF Ultramaxx V

UIN PRODUCT NAME METERING OPTIONS

211094 Logic HIU Indirect 50 HIU only, meter not

included

211347 Logic HIU Indirect 50 Factory ﬁtted, CF Echo 11

MbBus 1

211351 Logic HIU Indirect 50 Factory ﬁtted, CF

Ultramaxx V MBus PS

Power supply 230 V (ac)±10% 50 Hz

Max. Power consumption 105 W

Protection class IP 40

Actuator Stepper 24 V

Probes NTC 10 kΩ

ELECTRICAL

Frame RAL 9010 sprayed steel

Protective shell cover EPP (Expanded polypropylene)

Components Brass BS EN 12165 CW617N

Pipes Stainless steel

Exchanger Brazed stainless steel

CONSTRUCTION

INCLUDED AS STANDARD

ACCESSORIES

The temperature setting operates on the principle of set

point regulation and can be ﬁxed within application limits.

Heating Set Point 25 to 75°C

Nom. heating exchanger net

output:

15 kW

Secondary circuit: Maximum pressure rating 3 bar

Maximum operating pressure

2.5 bar

Pump UPS 15/60

Pump bypass setting 0.45 bar

Pressure switch Opening 0.4 bar

Closing 0.8 bar

Safety relief valve setting 3 bar

Safety thermostat 55˚C ±3

Expansion vessel 7.5 litre

Under ﬂoor heating capability Optional

Heating control circuit VOLT FREE

HEATING

The DHW function takes priority over the heating function

controlled by the DHW priority ﬂow switch.

Set Point DHW temperature 42 to 60°C

Max. Domestic hot water

pressure

10 bar

DHW circuit max. ﬂow rate 18 l/m (0.3 l/s)

Min. ﬂow rate to activate

domestic ﬂow sensor

2.7 l/m ±0.3

Max. Differential pressure on

domestic water modulating

valve

Δp 1.65 bar

Min. Differential pressure on

domestic water modulating

valve

Δp 0.35 bar

Nom. DHW heat exchanger

net output

50 kW - Logic HIU

50 Indirect

DOMESTIC HOT WATER - DHW

INCLUDING OPTIONAL PRE HEAT FUNCTION

HYDRAULIC CHARACTERISTICS DOMESTIC HOT WATER - PRIMARY SIDE

HYDRAULIC CHARACTERISTICS HEATING - PRIMARY SIDE

DOMESTIC HOT WATER

DHW - heat exchanger

0.04 0.06 0.08 0.1 0.2 0.3 0.4 0.5

Flowrate - l/s

0.5

Pressure loss - kPa

Kv = 2.25 m³/h

Hydraulic Characteristics

Heating - secondary side

Flow Path

Heating - secondary side

ONON DHWDHW CHCH FAFAULULTT

RRESETESET

CHS

0 0.1 0.2 0.3 0.4 0.5 0.6

Flowrate -l/s

Pressure loss -kPa

Kv = 2.63 m³/h

UPS 15 - 60 pump settings

ONON DHWDHW CHCH FAFAULULTT

RRESETESET

CHS

HRHF

DHW - heat exchanger

Flowrate - l/s

0.5

Pressure loss - kPa

Kv = 2.03 m³/h

Flow Path

Heating - primary side

ONON DHWDHW CHCH FAFAULULTT

RRESETESET

CHS

HEATING

CHS

HRHF

DHW - heat exchanger

0.04 0.06 0.08 0.1 0.2 0.3 0.4 0.5

Flowrate - l/s

0.5

Pressure loss - kPa

Kv = 2.25 m³/h

Hydraulic Characteristics

Heating - secondary side

Flow Path

Heating - secondary side

ONON DHWDHW CHCH FAFAULULTT

RRESETESET

CHS

0 0.1 0.2 0.3 0.4 0.5 0.6

Flowrate -l/s

Pressure loss -kPa

Kv = 2.63 m³/h

UPS 15 - 60 pump settings

ONON DHWDHW CHCH FAFAULULTT

RRESETESET

CHS

HRHF

DHW - heat exchanger

Flowrate - l/s

0.5

Pressure loss - kPa

Kv = 2.03 m³/h

Flow Path

Heating - primary side

ONON DHWDHW CHCH FAFAULULTT

RRESETESET

CHS

PRIMARY FLOW CHARACTERISTICS

HYDRAULIC CHARACTERISTICS HEATING - SECONDARY SIDE

HEATING

DHW - heat exchanger

0.04 0.06 0.08 0.1 0.2 0.3 0.4 0.5

Flowrate - l/s

0.5

Pressure loss - kPa

Kv = 2.25 m³/h

Hydraulic Characteristics

Heating - secondary side

Flow Path

Heating - secondary side

ONON DHWDHW CHCH FAFAULULTT

RRESETESET

CHS

0 0.1 0.2 0.3 0.4 0.5 0.6

Flowrate -l/s

Pressure loss -kPa

Kv = 2.63 m³/h

UPS 15 - 60 pump settings

ONON DHWDHW CHCH FAFAULULTT

RRESETESET

CHS

HRHF

DHW - heat exchanger

Flowrate - l/s

0.5

Pressure loss - kPa

Kv = 2.03 m³/h

Flow Path

Heating - primary side

ONON DHWDHW CHCH FAFAULULTT

RRESETESET

CHS

HRHF

Primary Flow Rate I/h

Primary ﬂow temperatures

1,500

1,400

1,200

1,000

800

600

400

200

0 100 200 300 400 500 600 700 800 900 1,000 1,100

Domestic Hot Water Flow Rate @ 48˚C - l/h

55˚C

60˚C

65˚C

70˚C

75˚C

80˚C

85˚C

Primary Flow Rate I/h

Primary ﬂow temperatures

1,500

1,400

1,200

1,000

800

600

400

200

0 100 200 300 400 500 600 700 800 900 1,000 1,100

Domestic Hot Water Flow Rate @ 48˚C - l/h

55˚C

60˚C

65˚C

70˚C

75˚C

80˚C

85˚C

Primary Flow Rate I/h

Primary ﬂow temperatures

1,500

1,400

1,200

1,000

800

600

400

200

0 100 200 300 400 500 600 700 800 900 1,000 1,100

Domestic Hot Water Flow Rate @ 48˚C - l/h

55˚C

60˚C

65˚C

70˚C

75˚C

80˚C

85˚C

Primary Flow Rate I/h

Primary

ﬂow temperatures

1,500

1,400

1,200

1,000

800

600

400

200

0 100 200 300 400 500 600 700 800 900 1,000 1,100

Domestic Hot Water Flow Rate @ 48˚C - l/h

55˚C

60˚C

65˚C

70˚C

75˚C

80˚C

85˚C

Primary Flow Rate I/h

Primary ﬂow

temperatures

1,500

1,400

1,200

1,000

800

600

400

200

0 100 200 300 400 500 600 700 800 900 1,000 1,100

Domestic Hot Water Flow Rate @ 48˚C - l/h

55˚C

60˚C

65˚C

70˚C

75˚C

80˚C

85˚C

DOMESTIC HOT WATER OUTPUT

ON DHW CH FAULT

RESET

A ABB

* After shut-off valves are installed the connections become a female 3/4’’.

CONNECTION A B C

Thread G¾” G½” G1”*

D E F Depth inc. Cover kg

65mm 550mm 630mm 265mm 19

• Twin plate design hydraulically separates both domestic

and space heating from the central primary supply

• Internal electronic control unit with LCD display

• The standard unit can be set to hold a stable heating

ﬂow temperature, to suit the installation (radiators, UFH

for example), but crucially, can also be set to vary the

heating ﬂow temperature automatically depending on the

temperature of the heating return water

• Automatically compensate for changes due to external

inﬂuences, such as outside temperature etc. thereby

ensuring that the unit and the system operate at maximum

efﬁciency

• Convertible to underﬂoor heating

• Conﬁgurable hot water priority

• Pressure independent control valve

• Pump bypass protection, in case of complete radiator TRV

shutdown

• Ability to pre-heating of the DHW exchanger

FEATURES & BENEFITS

The Logic heat interface unit is the latest

‘intelligent’ range of Logic HIUs from Ideal.

The Logic HIU is the complete solution for

instantaneous hot water production and space

heating control.

This is an indirect wall mounted HIU, providing

75 kW instantaneous priority DHW and 15 kW

modulated CH. This can be converted to under

ﬂoor heating including inbuilt safety thermostat

capability.

LOGIC HIU

75 INDIRECT

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