Lennox Comfair HD Series User guide

COMFAIR

440 - 860 m3/h

COMFAIR HD-AGU-1107-E

Application guide

HD High wall fan coil unit

• 1 •Application Guide •COMFAIR HD-AGU-1107-E

HIGH WALL FAN COIL UNITS - HD

General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

General data - Eurovent Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

CONTROLLERS

General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

APPLICATION GUIDE

Ref : COMFAIR HD-AGU-1107-E

TABLE OF CONTENTS

COMFAIR HD

High wall fan coil units

All the technical and technological information contained in this manual, including any drawing and technical descriptions provided

by us, remain the property of Lennox and must not be utilised (except in operation of this product), reproduced, issued to or made

available to third parties without the prior written agreement of Lennox.

Product designed and manufactured under a quality management system certiﬁed ISO 9001.

Our products comply with the European standards.

Our company is a member of the Eurovent Certiﬁcation Program.

The COMFAIR HD LENNOX fan coil units are tested and rated in accordance with Eurovent certiﬁcation program.

• 2 • Application Guide •COMFAIR HD-AGU-1107-E

GENERAL - HD

Comfair HD fan coil units are similar in design and use to the widely

used DX high-wall mini-split systems. With a maximum width of only

210mm, the casing is manufactured from high quality plastic and

is of an aesthetically pleasing design to compliment almost every

environment.

«A BREATH OF FRESH AIR»

The fan is of a Tangential type running at low speed to guarantee

low noise levels. The concept of air discharge from the unit allows

efﬁcient distribution of the treated air for maximum comfort, and

simplicity of use. HD units are equipped with a system of automatic horizontal air deﬂection through an arc of 35° in cooling operation

(10° in heating operation), which avoids stratiﬁcation of the airstreams. When the unit stops, the deﬂector blades close automatically,

which serves not only to protect the internal components against dust but also preserves the

neat aesthetic appearance of the unit.

FILTRATION AND AIR QUALITY

The Comfair HD units not only control the temperature of the air but also the air quality in the

conditioned space. Each unit is ﬁtted with a ﬁlter and an Ioniser which produces negatively

charged ions which attracts the positively charged dust particles and neutralises harmful

microbes present in the atmosphere. The Ioniser comprises of a small generator, which transmits

an intermittent high voltage to carbon ﬁbres situated in the airstream.

COILS

Each unit contains a chilled and hot water coil manufactured from copper tubes with aluminium ﬁns. Water connections are female gas

½» and each coil is ﬁtted with an air vent. A water temperature sensor prevents low temperature discharge.

REMOTE CONTROLLER

The infa-red remote controller offers the same functions as a DX split system. It includes an LCD display which indicates the status

and set points of the unit. Sixteen buttons allow fast and easy control of the operation of all functions of the unit.

HIGH WALL FAN COIL UNITS - HD

• 3 •

123

1,2 1,55 2,89

1,45 1,7 3,32

1,7 1,99 3,44

1,45 1,87 3,71

1,73 2 4,2

2,04 2,46 4,42

1,81 2,21 4,51

2,22 2,42 5,24

2,59 3,32 5,64

9,1 16 48,1

13 18 61,4

18 20 68,1

8,4 14 42,2

12 16 54

16,7 17 59,8

0,02 0,02 0,05

0,03 0,03 0,05

0,03 0,03 0,06

230/1/50

49 46 50

52 50 57

54 54 61

Application Guide •COMFAIR HD-AGU-1107-E

GENERAL DATA - EUROVENT CONDITIONS - HD

All data are at Eurovent conditions.

http://www.eurovent-certiﬁcation.com/

PROGRAM: FC-2-H

COMFAIR HD

Sensible cooling capacity kW

Min

Med

Max

Total cooling capacity kW

Min

Med

Max

Heating capacity kW

Min

Med

Max

Water pressure drops in cooling kPa

Min

Med

Max

Water pressure drops in heating kPa

Min

Med

Max

Fan electrical power kW

Min

Med

Max

Voltage V/Ph/Hz -

Sound power level dB(A)

Min

Med

Max

• 4 •

100

60 320

400

500

550

490

500

157

15 25

Ø 16,5

Application Guide •COMFAIR HD-AGU-1107-E

INSTALLATION - HD

INSTALLATION WITH SIMPLE MOUNTING PLATE

The method of installing the wall-mounted water-ﬁlled fan coil of the HD range is shown below. Take into account the following:

- Looking at the unit from the front, the supply pipes go from right to left.

- The system pipes must come from the left.

Make sufﬁcient large hoel in the wall for the system water pipes

to pass through.

SYSTEM

WATER PIPES

SYSTEM

WATER PIPES

HOSE

Take two hoses with 1/2" ﬁtting and connect to the systems pipes.

These pipes must be lagged.

MOUNTING PLATE

Fix the fan coil mounting plate to the wall.

Anchor the fan coil to the mouting plate

Tilt the fan coil and insert the relative polystyrene foam spacer and

then carry out the water connections

Put the fan coil back to its position of operation

SIZE OF WATER AND CONDENSATE DRAIN FITTINGS

HD1 AND HD2

HD3

A: Hoses for water connection Ø 1/2"

B: Condensate drain pipe Ø 16,5 mm

• 5 •

345 21

235

370

200

100

9-10 mm

Application Guide •COMFAIR HD-AGU-1107-E

Important! It is recommended that wall-mounted water-ﬁlled fan coils are

installed with ON/OFF devices.

1: Supply pipe (return)

2: Supply pipe (delivery)

3: Condensate drain pipe

4: Clamp for ﬁxing the condensate drain/connecting pipe

5: Condensing collecting tray

6: Condensate outlet

7: Fan coil anchoring plate

8: Screws for mounting plate assembly

9: Valve body

INSTALLATION - HD

INSTALLATION WITH BUILT-IN VALVES

Proceed as shown bellow to assemble the mounting plate.

OUT

From HD

To HD

CAUTION! Check that the highlighted measurement is exact

1. Identify the position on the wall where the fan coil is to be installed

and create a niche with the dimensions shown bellow:

2. Cover the bottom edge of the niche with a steel angle bar

(NOT supplied). Apply the mounting plate and ﬁx it using four

screws and four screw anchors in the relative holes:

ANGLE BAR

3. Fix the condensate collecting tray by inserting two self-tapping

screws into the relative holes. The external surface of the tray must

be ﬂush with the wall:

4. Position the fan coil on the mounting plate:

5. Tilt the fan coil and insert the relative polystyrene foam spacer

so that the valves can be easily reached and connected to the

appliance and to the mains water supply:

6. Connect the hoses to the fan coil supply pipes and the condensate

drain hose:

• 6 •

Application Guide •COMFAIR HD-AGU-1107-E

7. Connect the valve to the connecting hoses:

INSTALLATION - HD

8. Fix the bracket for securing the condensate drain hose and the

connecting hoses on the condensate collecting tray:

9. Fix the condensate drain hose with silicone:

INSTALLATION WITH BUILT-IN

VALVES - CONT’D

CAUTION! The condensate collecting tray must be ﬁxed so that it slopes

gently downward towards the condensate drain outlet:

N.B.:

- Do not bend or damage the enclosed mounting plate

- Comply with the highlighted measurements (previous page)

- The base of the enclosed mounting plate must project by 9-10 mm

from the wall

- The condensate collecting tray must always be ﬂush with the wall.

INSTALLATION WITH VALVES

AND OUTER FRAME

Proceed as shown bellow to assemble the mouting plate:

IMPORTANT! It is recommended that wall-mounted water-ﬁlled fan coils

are installed with ON/OFF devices.

10. Replace the fan coil in its original position.

1. Mark the position on the wall where the fan coil is to be installed,

then apply the mounting plate and ﬁx it with two screws and

screws anchors in the relative holes.

2. Position the cross rail of the frame (A) on top of the mounting

plate previously ﬁxed to the wall.

HD1 AND HD2

HD3

N.B. In model 3, the threaded bars are locked onto the MOUNTING PLATE

with nut and check nut.

Fix to the wall

with threaded

bars

Fix to the wall

with screws

Fix to the wall

with screws

3. Fix the extension (B) to the cross rail with the 4 self-tapping

screws provided in the kit:

HD1 AND HD2

• 7 •

Application Guide •COMFAIR HD-AGU-1107-E

INSTALLATION - HD

HD3

4. Final result:

HD1 AND HD2

HD3

5. Repeat points 4, 5, 6, 7, and 8 of the previous section (Installtaion with built-in valves)

INSTALLATION WITH VALVES AND OUTER FRAME - CONT’D

• 8 •







Application Guide •COMFAIR HD-AGU-1107-E

CONTROLLERS

GENERAL DESCRIPTION

CD2X6

Wall mounted - 3 digits display

On/Off - Heating/Cooling - 3 speeds

Ambiant temperature knob adjustment

RCE 10E

Wall mounted

On/Off - Heating/Cooling - 3 speeds

Ambiant temperature knob adjustment

Wall mounted

CD2X6 RCE10E

Characteritics

On/Off

Manual speed control

Automatic fan control

Manual Heating/Cooling control

Automatic Heating/Cooling control

Temperature setting knob

External centralised contact

Windows contact

Digital display

On/Off valve control

Modulating valve control

Available for

2 pipes

2 pipes + electrical heater

4 pipes

This manual suits for next models

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