BLAUBERG KOMFORT Roto EC LHP400 S17 Bedienungsanleitung

KOMFORT Roto EC LHP400 S17

KOMFORT Roto EC LHP700 S17

KOMFORT Roto EC LHP900 S17

KOMFORT Roto EC LEHP400 S17

KOMFORT Roto EC LEHP700 S17

KOMFORT Roto EC LEHP900 S17

HEAT RECOVERY AIR

HANDLING UNIT EQUIPPED

WITH A HEAT PUMP

USER'S MANUAL

KOMFORT Roto EC LHP400 S18

KOMFORT Roto EC LHP700 S18

KOMFORT Roto EC LHP900 S18

KOMFORT Roto EC LEHP400 S18

KOMFORT Roto EC LEHP700 S18

KOMFORT Roto EC LEHP900 S18

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Safety requirements............................................................................................... 3

Introduction .............................................................................................................. 5

Purpose....................................................................................................................... 5

Delivery set................................................................................................................ 5

Designation key ....................................................................................................... 5

Technical data........................................................................................................... 6

Unit design and operating logic........................................................................ 8

Mounting and set-up............................................................................................. 10

Connection to power mains................................................................................ 14

Unit control................................................................................................................ 15

Technical maintenance ......................................................................................... 26

Troubleshooting ...................................................................................................... 27

Storage and transportation regulations ......................................................... 27

Manufacturer's warranty ...................................................................................... 28

Acceptance certicate........................................................................................... 29

Seller information.................................................................................................... 29

Installation certicate ............................................................................................ 29

Warranty card ........................................................................................................... 30

CONTENTS

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UNIT MOUNTING SAFETY PRECAUTIONS

WARNING!

DO NOT!

Disconnect the unit from power mains prior to

any installation or repair operations. The unit must be grounded!

Do not operate the unit outside the temperature

range stated in the user's manual as well as in

aggressive or explosive environments.

Do not use damaged equipment or cables when

connecting the unit to power mains.

While installing the unit follow the safety

regulations specic to the use of electric tools. Unpack the unit with care.

"Do not change the power cable length at your

own discretion. Do not bend the power cable.

Avoid damaging of the power cable."

Do not position any heating devices or other

equipment in close proximity to the unit power

cable.

SAFETY REQUIREMENTS

• Read the user’s manual carefully prior to installing and operating the air handling unit (hereinafter referred to as «the unit»).

• Full the user’s manual requirements as well as the provisions of all the applicable local and national construction, electrical and

technical norms and standards.

• The warnings contained in the user’s manual must be considered most seriously since they contain vital personal safety information.

• Failure to follow the rules and safety precautions noted in this user’s manual may result in an injury or unit damage.

• After a careful reading of the manual, keep it for the entire service life of the unit.

• While transferring the unit control the user’s manual must be turned over to the receiving operator.

Symbol legend:

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Do not touch the unit controls with wet hands.

Do not carry out the maintenance operations

with wet hands.

Do not wash the unit with water. Protect the

electric parts of the unit against ingress of water.

Use the unit only for its intended purpose.

Do not connect a clothes dryer or other similar

equipment to the unit or the ventilation system.

Do not put any water containers on the unit, i.e.

ower vases etc.

Do not sit on the unit and avoid placing foreign

objects on it.

OFF

Disconnect the unit from power mains prior to

any technical maintenance.

Do not allow children to operate the unit.

Do not damage the power cable while operating

the unit. Do not put any objects on the power

cable.

Do not store any explosive or highly ammable

substances in close proximity to the unit. Do not open the unit during operation.

When the unit generates unusual sounds, odour

or emits smoke disconnect it from power supply

and contact the Seller.

In case of continuous operation of the unit

periodically check the security of mounting.

Do not block the air duct when the unit is

switched on.

Do not let air ow from the unit be directed to

the open ame devices or candles.

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This user’s manual includes technical description, operation, installation and mounting guidelines, technical data for the

KOMFORT Roto EC L(E)HP heat recovery air handling unit, hereinafter referred to as «the unit».

The unit is designed to ensure continuous mechanical air exchange in houses, oces, hotels, cafés, conference halls, and other utility and

public spaces as well as to recover the heat energy contained in the air extracted from the premises to warm up the ltered stream of supply air.

The unit is not intended for organizing ventilation in swimming pools, saunas, greenhouses, summer gardens, and other spaces with high

humidity.

Due to the ability to save heating energy by means of energy recovery, the unit is an important element of energy-ecient premises.

The unit is a component part and is not designed for stand-alone operation.

It is rated for continuous operation.

Transported air must not contain any ammable or explosive mixtures, evaporation of chemicals, sticky substances, brous materials,

coarse dust, soot and oil particles or environments favourable for the formation of hazardous substances (toxic substances, dust, pathogenic

germs).

Relative humidity of transported air must not exceed 80 % at an ambient temperature of +20 °C.

THE UNIT MAY NOT BE OPERATED BY CHILDREN OR PERSONS WITH REDUCED PHYSICAL,

MENTAL OR SENSORY CAPACITIES, OR LACKING THE APPROPRIATE TRAINING.

THE UNIT MUST BE INSTALLED AND CONNECTED ONLY BY PROPERLY QUALIFIED

PERSONNEL AFTER THE APPROPRIATE BRIEFING.

THE CHOICE OF UNIT INSTALLATION LOCATION MUST PREVENT UNAUTHORIZED ACCESS

BY UNATTENDED CHILDREN.

Name Number

Unit 1 item

Control panel 1 item

User's manual 1 item

Packing box 1 item

INTRODUCTION

PURPOSE

DELIVERY SET

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The unit is designed for indoor application with the ambient temperature ranging from +1 °C up to +40 °C and relative humidity up to 80 %.

In order to prevent condensation on the internal walls of the units, it is necessary that the surface temperature of the casing is 2-3 °C higher

than the dew point temperature of the transported air.

Hazardous parts access and water ingress protection rating:

IP 44 for the unit motors;

IP 22 for the assembled unit connected to the air ducts.

The unit design is constantly being improved, so some models can slightly dier from those ones described in this manual.

TECHNICAL DATA

Model

KOMFORT Roto EC LHP400

KOMFORT Roto EC LHP700

KOMFORT Roto EC LHP900

KOMFORT Roto EC LEHP400

KOMFORT Roto EC LEHP700

KOMFORT Roto EC LEHP900

Unit technical data

Max. air capacity range [m3/h] 520 830 955 520 830 955

Transported air temperature [°] from -10 up to +40 from -25 up to +40

Heat recovery eciency of the rotary heat exchanger [%] untill 85

Sound pressure level at 3 m distance [dB(A)] 45 52 58 45 52 58

Casing material High-strength galvanized steel

Coating Aluzinc

Weight [kg] 150 160 165 150 160 165

Connected air duct diameter [mm] Ø 160 Ø 250 Ø 250 Ø 160 Ø 250 Ø 250

Heat exchanger type Rotary

Heat exchanger material Aluminium

Filter: Extract G4

Intake G4 (F7*)

Unit electric parameters

Unit voltage [V / 50 Hz] 1~230

Maximum power in Heat Recovery mode [kW] 0,31 0,36 0,46 0,31 0,36 0,46

Maximum power in Heat Recovery + Heat Pump mode [kW] 0,75 0,94 1,20 0,75 0,94 1,20

Maximum power in Heat Recovery + Heat Pump + Preheating mode [ kW] - - - 2,15 3,74 4,0

Maximum unit current [A] 4,6 5,7 6,7 10,9 18,5 19,4

Air-handling unit energy eciency in Heating mode (COP) 6,0 6,5 6,5 6,0 6,5 6,5

in Cooling mode (ERR) 4,0 4,15 4,25 4,0 4,15 4,25

Heat pump specications

Refrigerant type R410A

Refrigerant weigh [kg] 0,8 1,0 2,0 0,8 1,0 2,0

Thermal performance in the Heating mode [kW]

at t0= +7 °C; tk= +45 °C 1,56 2,60 3,25 1,56 2,60 3,25

Refrigerating capacity in the Cooling mode [kW]

at t0= +7 °C; tk= +45 °C 1,20 2,0 2,50 1,20 2,0 2,50

Compressor type Sealed, rotary

Setpoint temperature range in Cooling/Heating modes [°] +16 ... +30

t0— refrigerant boiling point.

tk— dew-point temperature.

* — option.

TECHNICAL DATA

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730 1421

648 1250

180

350

180

733

220 214214 451 796

830 1667

748 1551

198

354

198

773

220 264264 934 615

Ø 160

Ø 250

OVERALL DIMENSIONS OF THE UNIT, MM

KOMFORT ROTO EC LEHP 400

KOMFORT ROTO EC LEHP 700 AND KOMFORT ROTO EC LEHP 900

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The unit has the following operating logic:

Warm stale extract air from the room ows to the unit, where it is ltered by the supply lter. Then the air is moved through the rotary heat

exchanger, then through the condenser/evaporator of the heat pump and is exhausted outside with the exhaust fan. Fresh air from outside

ows into the unit, where it is cleaned in the intake lter. Then the air ows through the electric heater, which is used for air preheat in the cold

season. Then the air ows through the rotary heat exchanger to the condenser/evaporator of the heat pump and is moved to the room with

the supply fan.

Heat energy of warm extract air is transferred to clean intake fresh air from outside and warms it up in the rotary heat exchanger. Heat

recovery minimizes thermal energy losses and space heating expenses in cold seasons.

Energy produced by the heat pump intensies the heat recovery eect. The fresh intake air is heated or cooled by the heat exchanger and

then by the heat pump. When the heat pump and the rotary heat exchanger work simultaneously the energy released to the energy consumed

ratio is 1:8, which means that each kilowatt of electricity generates up to 8 kW of heat output.

The energy is rst recovered in the heat exchanger and then the fresh air supplied into the serviced space is additionally heated or cooled

by the heat pump.

Heat pump operation in the Heating mode.

The heat pump operates according to the reverse Carnot cycle. Ensuring the transfer of heat from a low-grade source (exhaust stale air from

the serviced spaces) to the high-grade one (hot supply air downstream of the heat exchanger supplied into the serviced spaces) the heat pump

itself produces no thermal energy. In other words the stale air is removed by the extract fan from the spaces, passes through the lter and the

heat exchanger and is then directed into the heat pump evaporator. While passing through the evaporator the indoor air releases a certain

part of its thermal energy which is transferred by the heat pump to the condenser heat recovery unit built into the supply air section. Fresh air

is delivered by the supply fan, passes the lter and the heat exchanger and is then directed into the heat pump condenser unit. While passing

through the condenser the supply air stream is warmed up by the thermal energy accumulated in the heat pump evaporator.

Heat pump operation in the Cooling mode.

The switching between operation modes (heating/cooling) is ensured by the four-way valve which alters the refrigerant ow therefore

changing the heat exchanger operation mode: the heat-recovery unit in the exhaust section assumes the condenser function whereas the one

in the supply section handles the evaporation. The warm fresh air from outdoors is delivered by the supply fan, passes through the lter, loses

some of its thermal energy in the rotary heat exchanger and then enters the heat pump evaporator where it is nally cooled to the pre-set

temperature. The heat pump then transfers the thermal energy extracted from the supply air during the cooling process to the condenser unit.

The thermal energy accumulated in the condenser is transferred to the environment by means of the exhaust fan air supply.

UNIT DESIGN AND OPERATING LOGIC

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Condensate drain pan

Heat-transfer unit

Exhaust fan

Rotary heat exchanger

Heat-transfer unit

Supply fan

Drain pan

Control unit

Supply fan

Drain pan

Condensate drain pan

Control unit

Extract lter

Heat-transfer unit

Exhaust fan

Heat pump

Extract lter

Heat pump

Rotary heat exchanger

Heat-transfer unit

Intake lter

Electric heater

(VUT R 400 TN EH EC models only)

INTAKE AIR SUPPLY AIR

EXTRACT AIREXHAUST AIR

INTAKE AIR SUPPLY AIR

EXTRACT AIREXHAUST AIR

Intake lter

Electric heater

(VUT R 700 / 900 TN EH EC models only)

VUT R 400 TN (E)H EC unit design and operating principle

(service side view)

VUT R 700 TN (E)H EC / VUT R 900 TN (E)H EC design and operating principle

(service side view)

KOMFORT ROTO EC LEHP 400 unit design and operating principle

(service side view)

Condensate drain pan

Heat-transfer unit

Exhaust fan

Rotary heat exchanger

Heat-transfer unit

Supply fan

Drain pan

Control unit

Supply fan

Drain pan

Condensate drain pan

Control unit

Extract lter

Heat-transfer unit

Exhaust fan

Heat pump

Extract lter

Heat pump

Rotary heat exchanger

Heat-transfer unit

Intake lter

Electric heater

(VUT R 400 TN EH EC models only)

INTAKE AIR SUPPLY AIR

EXTRACT AIREXHAUST AIR

INTAKE AIR SUPPLY AIR

EXTRACT AIREXHAUST AIR

Intake lter

Electric heater

(VUT R 700 / 900 TN EH EC models only)

VUT R 400 TN (E)H EC unit design and operating principle

(service side view)

VUT R 700 TN (E)H EC / VUT R 900 TN (E)H EC design and operating principle

(service side view)

KOMFORT ROTO EC LEHP 700/KOMFORT ROTO EC LEHP 900 design and operating principle

(service side view)

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MINIMUM DISTANCES FOR ACCESSING THE UNIT

Ensure adequate access to the unit for maintenance and repair. The minimum required clearances between the unit and the adjoining walls

are given in the gure below.

Minimum straight air duct length:

- equal to 1 air duct diameter on intake side

- equal to 3 air duct diameters on outlet side

If the air ducts are not connected or the connected air ducts are too short, protect the unit parts from ingress of foreign objects by covering

the spigots with a protecting grille or other protecting device with mesh width not more than 12.5 mm to prevent uncontrollable access to

the fans.

Before starting the unit make sure that the rotary heat exchanger cells are clean and free from damage. Also check the belt tension adjusted

by means of the spring on the motor mount.

Model , 

KOMFORT Roto EC LHP400 750

KOMFORT Roto EC LEHP400

KOMFORT Roto EC LHP700

850

KOMFORT Roto EC LEHP700

KOMFORT Roto EC LHP900

KOMFORT Roto EC LEHP900

min A

Service side

Ensure adequate distance required

for condensate discharge

* - the necessary distance is dened by the user while installing the unit based on

the outside dimensions of the condensate drain pipe system.

The unit is suspended on threaded rods screwed into threaded anchors or other fasteners. The suitable fasteners are chosen by the

installation contractor depending on the roong system design and the unit weight. The unit is also suitable for installation on a at horizontal

surface on the plastic stubs provided.

SUSPENDED MOUNTING

min 20

MOUNTING AND SETUP

READ THE USER’S MANUAL PRIOR TO MOUNTING THE UNIT.

Dieses Handbuch passt für folgende Modelle

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