Swegon Gold cx Instruction Manual

OPERATION& MAINTENANCE INSTRUCTIONS

GOLD CX

Generation F

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Contents

1. Safety Instructions .................................................3

1.1 Safety Isolating Switch/Main Switch...............................................3

1.2 Risks ............................................................................................3

1.3 Safety Guards ...............................................................................3

1.4 Glycol ...........................................................................................3

2. General ...................................................................4

2.1 Handling the air handling unit before commissioning.....................4

2.2 Range of Application.....................................................................4

2.3 Mechanical Design........................................................................4

2.4 Control System .............................................................................4

2.5 Environmental Documentation......................................................4

2.6 The Components of the Air Handling Units....................................5

2.7 Basic circuit diagram, pipework package........................................6

3. Commissioning.......................................................6

3.1 General.........................................................................................6

3.2 Adjusting the Duct System and air diffusers ...................................7

3.2.1 Adjustment Sequence ............................................................................ 7

3.2.2 Commissioning procedure...................................................................... 7

4. Maintenance...........................................................8

4.1 Filter change .................................................................................8

4.1.1 Dismantling the ﬁlters ............................................................................ 8

4.1.2 Installing new ﬁlters ............................................................................... 8

4.2 Cleaning and Inspection................................................................9

4.2.1 General.................................................................................................. 9

4.2.2 Filter spaces ........................................................................................... 9

4.2.3 Heat exchangers .................................................................................... 9

4.2.4 Fans and fan spaces ............................................................................... 9

4.3 Service and Functionality Check...................................................10

4.4 Warranty.....................................................................................10

5. Alarms and Troubleshooting............................... 10

5.1 General.......................................................................................10

5.1.1 A and B Alarms .................................................................................... 10

5.1.2 To Reset Alarms.................................................................................... 10

5.1.3 To Change Alarm Priority...................................................................... 10

6. Technical data....................................................... 11

6.1 Dimensions .................................................................................11

6.2 Connection to Wiring Terminals ..................................................13

6.3 Electrical Data .............................................................................14

6.3.1 Air Handling Units................................................................................ 14

6.3.2 Fans..................................................................................................... 15

6.3.3 Electrical Equipment Cubicle................................................................. 16

6.3.4 Control Inaccuracy: .............................................................................. 17

6.3.5 EMC .................................................................................................... 17

6.4 Volume of Glycol/Water in Coil Heat Exchangers..........................17

7. Appendices ...........................................................17

7.1 Declaration of Conformity...........................................................17

7.2 Building Materials Declaration .....................................................17

7.3 License........................................................................................17

7.4 Ecodesign data............................................................................18

The document was originally written in Swedish.

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1.3 Safety Guards

The lock on the electric equipment cubicle functions as a safety

guard.

Only a qualiﬁed electrician or trained service technicians shall be

allowed to remove the safety guards.

Warning

The power supply to the unit shall be isolated by switch-

ing off the safety isolating switch before removing the

safety guard.

When the air handling unit is operating, the safety guards

must always be mounted, all inspection doors must be

closed, and the junction hood on the top of the unit must

be mounted.

1.4 Glycol

Warning

Never pour glycol down a drain; collect it in a recepta-

cle and leave it at a recycling centre, petrol station, etc.

Glycol is highly dangerous to consume and can cause

fatal poisoning or damage the kidneys. Contact a doctor!

Avoid breathing glycol vapour in conﬁned spaces. If you

get glycol in your eyes, ﬂush them thoroughly with water

(for about 5 minutes). If glycol splashes on your skin,

wash with soap and water.

1. Safety Instructions

All staff concerned must acquaint themselves with these instruc-

tions before beginning any work on the unit. Any damages to

the unit or parts of it due to improper handling or misuse by the

purchaser or the ﬁtter cannot be considered subject to guarantee

if these instructions have not been followed correctly.

Warning

Only a qualiﬁed electrician or service personnel trained

by Swegon shall be permitted to carry out any work on

the electrical system or wire external functions in the air

handling unit.

1.1 Safety Isolating Switch/

Main Switch

On 035/080 size units, the safety isolating switch is located on

the right-hand side of the electric cabinet in the centre section of

the unit.

The air handling unit should normally be started and stopped

from the hand-held terminal; not by switching the safety isolat-

ing switch on and off.

Always switch off the safety isolating switch before servicing the

unit if not otherwise speciﬁed in the pertinent instructions.

1.2 Risks

Warning

Before carrying out any work, make sure that the power

supply to the air handling unit has been switched off.

Risk areas with moving parts

Moving parts are fan impellers.

The lockable inspection panels serve as a safety guard for the

fans. If the ducts are not ﬁrmly connected to the fan outlets,

the outlets must be ﬁrmly ﬁtted with a safety guard (wire mesh

screen).

Warning

The inspection doors on the ﬁlter/fan sections must not

be opened while the unit is operating.

Stop the unit operating normally via the hand-held micro

terminal.

Wait until the fans have stopped before opening the

door.

There is positive pressure inside the fan section which

could cause the door to ﬂy open.

Keep the key at a safe spot separate from the air han-

dling unit.

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2. General

2.1 Handling the air handling

unit before commissioning

The air handling unit and its duct connections should be pro-

tected against wetness and condensation until the unit is com-

missioned.

2.2 Range of Application

The GOLD units are designed for use in comfort ventilation appli-

cations. Depending on the variant selected, GOLD units can be

utilised in buildings such as ofﬁce buildings, schools, day nurser-

ies, public buildings, shops, residential buildings, etc.

The GOLD CX units can also be used for the ventilation of mod-

erately humid buildings; however not where the humidity is

continuously high, such as in indoor swimming baths.

In order to fully obtain all the beneﬁts the GOLD system has to

offer, it is important to take the special characteristics of the air

handling units into account when planning them into the pro-

ject, installing, commissioning and operating them.

The air handling unit in its basic design should be installed

indoors. The TBTA/TBTB accessory should be used if the air

handling units are installed outdoors. If the duct accessories are

installed outdoors, they must be housed in an insulated casing

(type TCxx).

GOLD CX is designed and tested for temperatures, in the sur-

roundings and the air stream, from -40°C to +40°C. If the air

handling unit is placed outdoors, the expansion vessel must be

equipped with anti-freeze resistance and insulated when the

design outdoor temperature is lower than -10°C.

The fans are approved for continuous operation in temperatures

of up to 40°C.

The fans are tested for, and can manage operation for one hour

at 70°C.

Important!

Always read the safety instructions in Section 1 that

explain the risks involved in running the unit and desig-

nate who shall be permitted to operate and service the

unit, and carefully follow the installation instructions

provided in each paragraph.

The product identiﬁcation plates are located on the inspection

side of the air handling unit and on a wall inside the fan section.

Refer to the particulars on the product identiﬁcation plate when

you contact Swegon.

2.3 Mechanical Design

The GOLD CX units are available in 4 physical sizes and for 8

airﬂow ranges.

The outer sheet steel skin is painted in Swegon’s grey metallic

colour (closest RAL colour: 9007). The handles and decor strips

are black. Internal material: aluminium-zinc plated sheet steel

and Magnelis. Environmental Class C4. Panel thickness of 52

mm with intervening insulation consisting of mineral wool.

The GOLD CX units have class ePM10 60% (M5) or ePM1 50%

(F7) supply air and extract air ﬁlters made of glass ﬁbre.

The coil heat exchangers in the size 035-080 one-piece GOLD CX

air handling units are supplied completely mounted from the fac-

tory; including mounted pipework package with all the necessary

components. The system is normally ﬁlled with liquid, vented,

commissioned and performance-tested prior to delivery, but can

also be ordered in unﬁlled condition e.g. for housing improve-

ment projects or if the application requires ﬁlling with another

mixture instead of 30 % ethylene glycol. A pipe coupling unit

supplied in unmounted condition is available as an accessory for

the size 100/120 units.

The supply air and extract air fans are of GOLD Wing+ type, an

axi-centrifugal fan with backward-curved blades. The fans are

direct-driven and have a motor control system for variable speed

control.

2.4 Control System

The IQlogic control system is microprocessor-based and is inte-

grated into the air handling unit. It controls and regulates the

fans, heat exchanger, temperatures, airﬂows, Operation times

and a large number of internal and external functions as well as

alarms.

2.5 Environmental

Documentation

For a complete Declaration of Construction Materials, see our

home page at www.swegon.com (applicable to Sweden only).

The air handling unit is designed in such a way that it can be

easily dismantled into its component parts. When the unit has

ended its useful product life, the services of an accredited recy-

cling company should be utilised for disposal.

The recyclable weight of the GOLD is about 94% of its initial

weight.

Swegon AB is associated with the REPA Register, No.

5560778465.

Contact Swegon AB, Phone: +46 (0)512-322 00, if you have

any questions regarding the dismantling instructions or the air

handling unit’s impact on the environment.

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2.6 The Components of the Air Handling Units

The individual components are each speciﬁed below in a simpliﬁed and diagrammatical description.

Left-hand version

fan arrangement 1

Figure 3b

Outdoor air Supply air Extract air Exhaust air

The air handling units can be ordered in the right-hand version as

shown in Fig. 3a or in the left-hand version as shown in Fig. 3b.

The air handling unit according to Fig. 3a shows Fan Arrange-

ment 1. The unit can also be ordered according to Fan Arrange-

ment 2. The fans and ﬁlters are then vertically mirror-inverted.

In the left-hand version (Fig. 3b), the components marked with

an asterisk change function and designation (the components

are named according to whether the function is for supply air or

extract air).

The arrangement of the components and their desig-

nations

1 OUTDOOR AIR* (In left-hand version: Extract air)

2 EXHAUST AIR* (In left-hand version: Supply air)

3 Sizes 035-060: None (see item 5)

Sizes 070-120: Pressure sensor, supply air ﬁlter*

4 Extract air fan* with motor and motor controller

5 Sizes 035-060: Pressure sensor, extract air fan* and pressure

sensor, supply air ﬁlter*

Sizes 070-120: Pressure sensor, extract air fan*

6 Temperature/air density sensor, extract air.

7 Electrical cabinet with control unit

8 Hand-held terminal

9 Extract air ﬁlter*

10 Temperature sensor, supply air (to be mounted in supply air

duct)

11 EXTRACT AIR* (In left-hand version: Outdoor air)

12 SUPPLY AIR* (In left-hand version: Exhaust air)

13 Supply air ﬁlter*

14 Sensor, outdoor air temperature*

15 Coil heat exchanger with pipework package

16 Valve actuator

17 Circulation pump

18 Valve pipe with ﬁlling valve and safety valve

19 Temperature sensor for freeze protection

20 Sizes 035-060: Pressure sensor, supply air fan* and pressure

sensor, extract air ﬁlter*

Sizes 070-120: Pressure sensor, supply air fan*

21 Differential pressure sensor

22 Temperature/air density sensor, supply air.

23 Sizes 035-060: None (see item 20)

Sizes 070-120: Pressure sensor, extract air ﬁlter*

24 Supply air fan* with motor and motor controller

25 Temperature/relative humidity sensor, extract air*

26 Tappings for measuring pressure drop across the heat ex-

changer.

GOLD CX, sizes 100/120: Pipework package including control box are supplied in unmounted condition for ﬂoor or wall mounting

(accessories).

Fig. 3a

Right-hand version,

fan arrangement 1

43 5 7

14 15 2320 2524

1716 19

2118

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3. Commissioning

3.1 General

Commissioning sequence:

1. Check that there are no foreign objects inside the unit, duct

system or functional sections.

2. Turn the safety isolating switch to the ON position (I).

3. Select the appropriate language, if you have not already done

so. See Section 4.7 in the GOLD Function Manual, Installation

4. The air handling unit has a factory setting that makes it ready

to operate. See separate Commissioning Record.

However, in many cases, these settings need to be adjusted to

suit the current installation.

If necessary, enter the fan position setting (inspection side),

see Section 4.10 in the Function Manual, Installation.

Program the time switch, operating mode, temperatures,

airﬂows and functions according to the procedures in Section

4 in the Function Manual, Installation.

Select whether the airﬂow unit of measurement shall be l/s,

m3/s, m3/h or cfm.

Fill out the Commissioning Record and save it in the docu-

ment pocket of the air handling unit.

In some cases it might be necessary to adjust the P-band

and the I-time if the heating regulation system is oscillating

or operates sluggishly. This requires entering a special code.

Contact your Swegon representative.

5. Activate, if needed, manual or auto operation (Dashboard) or

lock the speed of the fans (AIRFLOW ADJUSTMENT image).

Adjust the duct system and the air diffusers according to Sec-

tion 3.2.

6. Check and adjust, if required, the pressure balance in the air

handling unit according to Section 3.3.

7. Finish with ﬁlter calibration according to Section 3 in the Func-

tion Manual, Installation.

2.7 Basic circuit diagram,

pipework package

1 Temperature sensor

2 Differential pressure sensor

3 Expansion vessel

4 Manometer

5 Filling valve

6 Safety valve

7 Pump

8 Control valve with actuator

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3.2 Adjusting the Duct System

and air diffusers

In order to prevent the fans from consuming more power than

necessary, it is important to keep the pressure drop in the system

at the lowest possible level. It is also important that duct sys-

tems and air diffusers are correctly commissioned to provide the

comfort expected.

When commissioning air diffusers and the duct systems for the

GOLD, it is appropriate to follow the proportionality method.

This means that the ratio between the airﬂows in branch ducts

remains constant even if you change the airﬂow in the main

ducts. The same ratio applies to the air diffusers in the installa-

tion.

When commissioning the duct system there is provision for

locking the speed of the fans in the air handling unit to provide

a speciﬁc preset ﬂow rate, see Section 4.1.7 in the Function

Manual, Installation.

3.2.1 Adjustment Sequence

The system should be adjusted in the following order:

1. Adjust of the air diffusers in each branch duct.

2. Adjust the branch ducts.

3. Adjust the main ducts.

3.2.2 Commissioning procedure

1. Set all the air diffusers and dampers to the fully open position.

2. Calculate the quotient between the airﬂow reading and the

design airﬂow of all the air diffusers, branch ducts and main

ducts. The air diffuser in every branch that has the lowest

quotient should be fully open. Use this air diffuser as an

INDEX AIR DIFFUSER. The same applies to branch dampers

and main dampers.

When you’ve ﬁnished commissioning, one air diffuser in every

branch, one branch damper and one main damper should

consequently be fully open.

Example on how to make an adjustment

– Start adjusting duct branch B, since this one has the

highest quotient.

– The last air device, B3, has the lowest quotient and

should be fully open.

Adjust the other air devices, B1 and B2, so that these

will have the same quotientas air device B3 (see item 5

above).

– Now adjust the air devices in branch duct C. Air

device C4 should be fully open; throttle the others to

the same quotient.

– Adjust the air devices in branch duct A. The index air

device here is air device A3, which means that you ﬁrst

throttle air device A4 (the reference device) to device

A3:s quotient. Then adjust the others to the same

quotient as air device A4.

– Throttle branch damper B to the same quotient as

branch damper A, throttle branch damper C to the

same quotient as branch damper A.

Check that all dampers have the same quotient.

When commissioning has been completed, 3 air

devices and one branch damper should stand fully

open to obtain the lowest possible pressure in the

system.

qp = design airﬂow (l/s)

qm = ﬂow reading (l/s)

K (Quotient) =

3. Start adjusting the main duct that has the highest quotient

and the branch duct in the main duct that has the highest

quotient. Starting from this point enables you to then "press"

the air in front of you toward the sections of the system that

have the least air.

4. Adjust the last air diffuser on the duct branch so that it will

have the same quotient as the index air diffuser. This air

diffuser becomes the REFERENCE AIR DIFFUSER. The last air

diffuser on the branch is often the one that has the lowest

quotient and this air diffuser should be open. In this case, the

index air diffuser and the reference air diffuser will be one and

the same.

5. Throttle the other air diffusers in the branch to the same quo-

tient as the reference device.

NOTE! The quotient in the reference terminal will change

every time another air diffuser is throttled, so in practice

the quotient for the reference air diffuser can be set slightly

higher. The reference device must be measured in between

each air diffuser throttled.

6. Go to the branch that had the next highest quotient and

adjust the air diffusers there, etc.

NOTE! All branch dampers should be fully open until all air

diffusers have been adjusted.

7. Throttle the branch damper that had the highest quotient to

the same quotient as the branch that had the lowest quo-

tient.

NOTE! Keep in mind that the index damper changes quotient;

proceed as described in item 5.

8. When all branches have been commissioned, throttle the main

dampers in the same manner.

See also Adjustment example below.

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4. Maintenance

Warning

Before carrying out any work, make sure that the power

supply to the air handling unit has been switched off.

4.1 Filter change

Filters made of glass ﬁbre should be replaced, and if a pre-ﬁlter

made of woven aluminium is ﬁtted, it should be washed, when

the corresponding ﬁlter alarm has been activated.

Order new ﬁlters from Swegon or your nearest Swegon repre-

sentative. Specify the size of the GOLD unit, whether the replace-

ment concerns one or two directions of airﬂow and if you are

replacing standard ﬁlters and/or possibly a pre-ﬁlter.

4.1.1 Dismantling the ﬁlters

It is advisable to clean inside the ﬁlter space while the ﬁlters are

removed.

Standard ﬁlters:

Pull out the handles (A) to free the ﬁlters from the ﬁlter holder.

Withdraw the ﬁlters.

Possible pre-ﬁlters inside the air handling unit:

Withdraw the ﬁlters.

4.1.2 Installing new ﬁlters

Standard ﬁlters:

Insert the ﬁlters into the ﬁlter holder At the same time, draw out

the ﬁlter bags, if installed, so that they will not become caught,

damaged or folded.

Insert the ﬁlters as far as possible into the unit and press them

lightly against the ﬁlter frames, so that they ﬁt tightly.

Push in the handles (A) to clamp the ﬁlters in position in the ﬁlter

holder.

Close the inspection doors.

Finish with ﬁlter calibration according to Section 2 in the Func-

tion Manual, Users.

Pre-ﬁlters, if installed, in the AHU:

Insert the ﬁlters in the ﬁlter guide rails as far as possible into the

AHU and press them lightly against the ﬁlter frames, so that they

ﬁt tightly.

Finish with ﬁlter calibration according to Section 2 in the Func-

tion Manual, Users.

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4.2 Cleaning and Inspection

4.2.1 General

Access for cleaning must be ensured when planning and during

the installation of the air handling unit. This can, for example,

include the set-up of the unit, and pipe and cable routing.

Clean the interior of the air handling unit if needed. Inspection

of the air handling unit should be performed when you change

ﬁlters or at least twice a year.

4.2.2 Filter spaces

The most appropriate time to clean the unit is when you change

the ﬁlters.

4.2.3 Heat exchangers

Check whether cleaning is necessary at least twice a year. Clean-

ing can be done from the ﬁlter space.

Make sure that the coils are purged of air. If a droplet eliminator

is ﬁtted, remove it and ﬂush it clean with water.

Always clean against the regular direction of airﬂow.

Cleaning must only be done by blowing with compressed air,

vacuum cleaning with a soft nozzle or wet cleaning with water

and/or solvent. Before you begin cleaning, cover adjacent func-

tional sections to protect them.

If cleaning solvent is used, do not use solvent that will corrode

aluminium or copper. Swegon's cleaning agent is recommended.

This cleaning agent is sold by Swegon Service.

While cleaning, check whether venting is necessary, check the

content of glycol in the water and the condition of the coil for

leakage. Also check that the drain is not clogged.

4.2.4 Fans and fan spaces

Inspect and, if needed, clean the fan impellers to remove dirt

deposits.

Check the impeller to make sure that it is not out of balance.

Check the bearings for noise.

Vacuum clean the fan motor or brush its surfaces. It can also be

cleaned by carefully wiping it with a damp cloth and dishwash-

ing detergent.

Clean the fan space, if needed.

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5. Alarms and Troubleshoot-

ing

5.1 General

Alarms are displayed by a ﬂashing red LED in the hand-held

terminal.

When the LED ﬂashes, go in under Alarm log in the instrument

panel, see Section 2.2.3 in the Operating Procedures Manual of

the IQnavigator hand-held micro terminal.

Active alarms, pending alarms and alarm history (50 latest) can

be viewed under Alarm log.

For resetting alarms, you can select individual alarms or all the

alarms.

The reset time can also be viewed under History.

A fault can be traced by examining the function or functional

component indicated in the alarm text.

If the fault cannot be immediately remedied:

Consider whether the air handling unit can continue to operate

until the fault has been remedied. Choose to block the alarm

and/or to change it from stop to operation. See Section 4.8.6 in

the Function Manual, Installation.

5.1.1 A and B Alarms

A alarms send an indication to the output for alarm relay A

(IQlogic module+).

B alarms send an indication to the output for alarm relay B

(IQlogic module+).

Alarms can be forwarded with different priority via these relays.

5.1.2 To Reset Alarms

Alarms with manual resetting can be reset from the hand-held

terminal. Select reset in the alarm log.

Alarms that reset themselves automatically will do so as soon as

the fault has been remedied.

Alarms can also be reset via a communication network (not

applicable to frost guard alarm).

5.1.3 To Change Alarm Priority

See Section 4.8.6 in the Function Manual, Installation.

4.4 Warranty

To submit a warranty claim, you must be able to produce a com-

plete documented and signed Service and Functionality Inspec-

tion Report of the product with hits accessories.

A Service and Functionality Inspection Report must be performed

according to the instructions in Sections 4.1, 4.2 and 4.3.

General conditions for warranty liability are given in the delivery

provisions applicable to the supply.

4.3 Service and Functionality

Check

Service and functionality inspections shall be carried out at the

interval speciﬁed below.

Item to check Action 6-month-

ly service

12-month-

ly service

Service

Filters To be replaced when the

display screen indicates

a ﬁlter alarm. Check

that the ﬁlter installa-

tion frame is in working

order and is tight.

Fans, heat ex-

changers, duct

accessories

Inspect and clean if

necessary.

Internal surfaces Inspect and clean if

necessary.

External sur-

faces

Inspect and clean if

necessary.

Gaskets, sealing

strips, bearings,

drive belts

Inspect and remedy if

necessary.

Sensors, ca-

bling, measur-

ing tubes

Carry out visual inspec-

tion and remedy if

necessary.

Functionality

inspection

Safety func-

tions, ﬁre and

frost protection,

etc.

To inspect the function-

ality.

Other control

functions

To inspect the function-

ality. Compare the air

handling unit's values

with the commissioning

report. Remedial meas-

ures should be taken

to correct any possible

inconsistencies.

Alarm history Review. x

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6. Technical data

6.1 Dimensions

* The air handling unit is supplied

without end connection panel if a

duct accessory housed in an insulated

casing will be connected. The AHU

can also be supplied with full face

end connection panel (accessory).

** Width of centre section's casing =

B + 200 mm.

* The air handling unit is supplied

without end connection panel

if a duct accessory housed in an

insulated casing will be con-

nected. The AHU can also be

supplied with full face end con-

nection panel (accessory).

** Width of centre section's

casing = B + 200 mm.

* The air handling unit is sup-

plied without end connection

panel if a duct accessory housed

in an insulated casing will be

connected. The AHU can also be

supplied with full face end con-

nection panel (accessory).

** Width of centre section's

casing = B + 200 mm.

200 700

146

B**

Size A B C D E F G H I J K L M N O Weight, kg

035/040 1038,5 1990 1744 900 245 600 1400 2159 479 240 295 2977 - - - 1933-2188

050/060 1038,5 2318 -900 145 800 1600 2288 344 172 359 2977 600 159 2000 2346-2718

070/080 1273,5 2637 -900 162 1000 1800 2640 320 160 418,5 3447 750 118 ,5 2400 3454-3794

GOLD 035/040

GOLD 050/060

146

B** 200 741

52*

100

207245 45

GOLD 070/080

52*

200B**

743

146MN O

121 11501200

76 2485 76

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GOLD 100/120

52*

180200B**

77 3186 77

1048 1000 1048122

* The air handling unit

is supplied without end

connection panel if a duct

accessory housed in an

insulated casing will be

connected. The AHU can

also be supplied with full

face end connection panel

(accessory).

Size A B D E F G H I J K L M N O P Weight, kg

100 1122 3340 1070 187 1200 2400 3440 520 210 470 3314 800 420 2500 1720 4294-4772

120 1122 3340 1070 187 1200 2400 3440 520 210 470 3314 800 420 2500 1720 4494-4990

** Width of centre sec-

tion’s casing = B + 200 mm.

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6.2 Connection to Wiring Terminals

WLAN

CPU 1

CPU 2

GND 4

-6

-8

-10

+11

-12

+13

SA TempCom 5Com 4Com 3Com 2Com 1

+15

-16

+17

-18

+19

Heat Cool

C21

NO 22

C23

NO 24

C25

NO 26

C27

NO 28

P29

G30

G0 31

G32

24V AC

Sensor 1 Sensor 2 Sensor 4Sensor 3 Com 6 Com 7 Com 8 Com 9 Com 10 Com 11

33 -

34 G

35 G0

36 Y

37 U

38 39 40

24V AC In

41 42

18V AC In

45 46

230V AC In

4743 44

230V AC Out

Digital inputs, terminals 4-17, are of extra-low voltage type. Analogue input, terminals 18-19 have an input impedance of 66 kΩ.

230 VAC control voltage is on external terminals 101 (L) and 102 (N).

Wiring

terminal

Function Remarks

1,2,3 Connections for EIA -485 1= Communication connection A/RT+, 2= Communication connection B/RT–, 3= GND/COM.

4,5 External stop Stops the unit by opening the circuit. On delivery, this function is ﬁtted with a jumper. If the connec-

tion is interrupted, the unit will stop.

6,7 External ﬁre/smoke function 1 External ﬁre and smoke function. On delivery, this function is ﬁtted with a jumper. If the connection is

interrupted, the function will trip and initiate an alarm.

8,9 External ﬁre/smoke function 2 External ﬁre and smoke function. On delivery, this function is ﬁtted with a jumper. If the connection is

interrupted, the function will trip and initiate an alarm.

10,11 External alarm 1 External contact function. Optional: Normally open/normally closed.

12,13 External alarm 2 External contact function. Optional: Normally open/normally closed.

14,15 External low speed External contact function. Oversteers the timer from stop to low speed operation.

16,17 External high speed External contact function. Oversteers the timer from stop or low speed to high speed operation.

18,19 Demand control Input for 0-10 V DC. The input signal inﬂuences the supply air/extract airﬂow set point if the unit is

operating in the demand control mode. For connection of sensors, for example CO2, CO and VOC

20,21 Circulation pump, heating circuit Independent contact, max. 5 A/AC1, 2 A/AC3, 250 VAC. Closes on a heating load.

22,23 Circulation pump, cooling circuit or

cooling on/off, 1-step operation

Independent contact, max. 5 A/AC1, 2 A/AC3, 250 VAC. Closes on a cooling load.

24,25 Cooling, on/off, 2-step operation Independent contact, max. 5 A/AC1, 2 A/AC3, 250 VAC. Closes on a cooling load.

26,27 In-operation indication Independent contact, max. 5 A/AC1, 2 A/AC3, 250 VAC. Closes when the unit is operating.

28,29,30 Damper control 24 VAC. 28= Controlled 24 VAC (G), 29= 24 VAC (G), 30= 24 VAC (G0).

31,32 Control voltage 1) 24 VAC control voltage. Terminals 31-32 are loaded with a total of 16 VA. Opened by means of the

safety isolating switch.

33,34 Reference voltage Output for constant 10 VDC. Max. permissible load: 8 mA.

35,36,37,38 Control, recirculation damper The recirculation damper can be loaded with max. 2 mA at 10 VDC. 35= 24 V AC (G), 36= 24 V AC (G0),

37= 0-10 V DC control signal, 38= 0-10 VDC feedback signal.

The max permissible common load on terminals 31-32, outputs for Heat/Cool and damper output (terminals 28-30) is max 32 VA (SD) eller 50 VA (RX/PX/CX).

1) GOLD 100/120: If more than 16 VA is required, use wiring terminals 201 (G) and 202 (G0). Terminals 201-202 can be loaded with a total of max, 48 VA.

The max. permissible load on the correspond-

ing connection is 16 VA.

Glass fuse, 3.15A

GB.GOLDSKFCX.231015

We reserve the right to alter speciﬁcations.

14 www.swegon.com

6.3 Electrical Data

6.3.1 Air Handling Units

Shows the fuse size for different combinations of fan sizes and capacity variants. Fan A or B can be a supply air fan or an extract air fan

or vice versa. It is the combination of fan A and B that determines the fuse size.

The air handling unit’s rating plate shows the combinations of fan sizes and capacity variants.

Electrical connection is 3-phase, 5-wire, 400 V-10/+15%, 50Hz.

GOLD CX, size Fan A, size/capacity variant Fan B, size/capacity variant Fuse protection (A)

035/040

35-1 (4,0 kW) 35-1 (4,0 kW) 20

35-1 (4,0 kW) 35-2 (5,0 kW) 25

35-1 (4,0 kW) 40-1 (6,5 kW) 25

35-1 (4,0 kW) 40-2 (10 kW) 32

35-2 (5,0 kW) 35-2 (5,0 kW) 25

35-2 (5,0 kW) 40-1 (6,5 kW) 25

35-2 (5,0 kW) 40-2 (10 kW) 32

40-1 (6,5 kW) 40-1 (6,5 kW) 32

40-1 (6,5 kW) 40-2 (10 kW) 32

40-2 (10 kW) 40-2 (10 kW) 40

050/060

50-1 (6,5 kW) 50-1 (6,5 kW) 32

50-1 (6,5 kW) 50-2 (10 kW) 40

50-1 (6,5 kW) 60-1 (2 x 4,0 kW) 40

50-1 (6,5 kW) 60-2 (2 x 6,5 kW) 40

50-2 (10 kW) 50-2 (10 kW) 40

50-2 (10 kW) 60-1 (2 x 4,0 kW) 40

50-2 (10 kW) 60-2 (2 x 6,5 kW) 50

60-1 (2 x 4,0 kW) 60-1 (2 x 4,0 kW) 40

60-1 (2 x 4,0 kW) 60-2 (2 x 6,5 kW) 50

60-2 (2 x 6,5 kW) 60-2 (2 x 6,5 kW) 63

070/080

70-1 (2 x 4,0 kW) 70-1 (2 x 4,0 kW) 40

70-1 (2 x 4,0 kW) 70-2 (2 x 6,5 kW) 50

70-1 (2 x 4,0 kW) 80-1 (2 x 6,5 kW) 50

70-1 (2 x 4,0 kW) 80-2 (2 x 10 kW) 63

70-2 (2 x 6,5 kW) 70-2 (2 x 6,5 kW) 63

70-2 (2 x 6,5 kW) 80-1 (2 x 6,5 kW) 63

70-2 (2 x 6,5 kW) 80-2 (2 x 10 kW) 63

80-1 (2 x 6,5 kW) 80-1 (2 x 6,5 kW) 63

80-1 (2 x 6,5 kW) 80-2 (2 x 10 kW) 80

80-2 (2 x 10 kW) 80-2 (2 x 10 kW) 80

100

100-1 (2 x 6,5 kW) 100-1 (2 x 6,5 kW) 50

100-1 (2 x 6,5 kW) 100-2 (2 x 10 kW) 63

100-2 (2 x 10 kW) 100-2 (2 x 10 kW) 80

120

120-1 (3 x 6,5 kW) 120-1 (3 x 6,5 kW) 80

120-1 (3 x 6,5 kW) 120-2 (3 x 10 kW) 100

120-2 (3 x 10 kW) 120-2 (3 x 10 kW) 125

GB.GOLDSKFCX.231015

We reserve the right to alter speciﬁcations. www.swegon.com 15

6.3.2 Fans

RATED DATA PER FAN

GOLD 035/040: Motor shaft power: 4.0 kW,