Thermoscreens CS 1000 Manual

T9901150-1-1 UK Page | 1

CS AIR CURTAIN

INSTALLATION, OPERATION AND

MAINTENANCE INSTRUCTIONS

(IMAGES ARE FOR ILLUSTATION PURPOSES ONLY)

English

T9901150-1-1 UK Page | 2

1 CONTENTS .................................................................................................................................. 2

2 ELECTRICAL SAFETY ................................................................................................................. 3

3 SPECIFICATIONS ........................................................................................................................ 3

4. INTRODUCTION .......................................................................................................................... 4

5. DELIVERY CONTENTS ............................................................................................................... 5

6. TOOLS REQUIRED ...................................................................................................................... 6

7. INSTALLATION (HORIZONTAL UNITS) ...................................................................................... 6

8. INSTALLATION (VERTICAL UNITS) ........................................................................................... 8

9. ACCESS FOR ELECTRICAL CONNECTIONS ......................................................................... 10

10. COMMISSIONING THE SYSTEM .............................................................................................. 12

11. SIGN OFF ................................................................................................................................... 13

12. FAULT CONDITIONS ................................................................................................................. 14

13. SERVICE & MAINTENANCE ..................................................................................................... 14

14. WARRANTY ............................................................................................................................... 15

APPENDIX 1 — DIMENSIONS OF CS HORIZONTAL AIR CURTAIN ......................................... 16

APPENDIX 2 — DIMENSIONS OF CS VERTICAL AIR CURTAIN ............................................... 17

APPENDIX 3 — WIRING DIAGRAM CS AIR CURTAIN ............................................................... 18

APPENDIX 4 — WIRING DIAGRAM CS MASTER/SLAVE .......................................................... 19

15. DECLARATION OF CONFORMITY ........................................................................................... 20

1 CONTENTS

Page

T9901150-1-1 UK Page | 3

Electrical Supply and Wiring to the Air Curtain

All electrical wiring and connections MUST be carried out by a competent qualified electrician in

accordance with the latest edition of IEE wiring regulations and local statutory regulations if

applicable.

A 1 phase local isolator having a contact separation of at least 3mm on Live and Neutral poles

must be fitted in the electrical supply to the air curtain and located in an accessible position

adjacent to the unit.

The appliance must be connected by cables having an appropriate heat resistant temperature

rating.

All supply cables, circuit breakers and other electrical installation equipment must be correctly

sized for the air curtain model being installed; see section 3: Specifications.

20mm size cable glands or conduit connectors of IP44 rating or above must be used for the

Electrical Supply and Control Cables into the air curtain.

See Wiring Diagrams for connecting electrical supply and control cables to the air curtain. The

air curtain must be earthed.

Air Curtain

Model No

Electrical

Supply

(V/ph/Hz)

Rated

Electrical

Power Input

(W)

Rated

Current

(A)

Max. Air

Volume

Flow rate

(m3/h)

Specific

Fan Power

min. - max.

(W/l/s)

Effective

Width of

Airstream

(m)

Weight

(kg)

CS 1000 230/1/50 430 1.8 2250 0.20 - 0.70 1.10 60

CS 1500 230/1/50 630 2.7 3400 0.23 - 0.69 1.63 70

CS 2000 230/1/50 820 3.5 4500 0.25 - 0.68 2.15 85

Air Curtain

Model No

Electrical

Supply

(V/ph/Hz)

Rated

Electrical

Power Input

(W)

Rated

Current

(A)

Max. Air

Volume

Flow rate

(m3/h)

Specific

Fan Power

min. - max.

(W/l/s)

Effective

Height of

Airstream

(m)

Weight

(kg)

CS 1000 V 230/1/50

430 1.8 2250 0.20 - 0.70 1.10 62

CS 1500 V 230/1/50

630 2.7 3400 0.23 - 0.69 1.63 72

CS 2000 V 230/1/50

820 3.5 4500 0.25 - 0.68 2.15 87

2 ELECTRICAL SAFETY

3 SPECIFICATIONS

Table 1

Table

T9901150-1-1 UK Page | 4

Established in the 1960s, Thermoscreens is a leading air curtain manufacturer that exports to over 60

countries worldwide.

As with all our products, the CS range air curtains are designed with energy efficiency in mind which

is why they have fans with advanced EC motor technology to produce a very high air flow with low

electrical energy consumption.

CS curtains are designed to be surface mounted inside a building and located horizontally or

vertically besides the doorway.

This product is not designed to be used in applications where the door is continuously open and a

large temperature difference exists over the opening (for example +20oC and -20oC). In these cases

moisture can be entrained within the air stream and ice buildup will result.

They must not be installed on the outside of a building or built into a cabinet or recessed in any way.

Please complete the following details for your reference:

Date of Purchase

Place of Purchase

Serial Number

Proof of purchase is required to make a claim under warranty.

Thermoscreens Ltd

St. Mary’s Road

Nuneaton

Warwickshire

England

CV11 5AU

Email: [email protected] — http://www.thermoscreens.com

Tel: +44 (0) 24 7638 4646 — Fax: +44 (0) 24 7638 8578

4. INTRODUCTION

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The following items are supplied in the box at delivery.

CS Cold Store Air Curtain

Note: End caps are supplied loose to be fitted during

installation

Ceiling Hanging Brackets (Horizontal

Units Only)

M12 x 30mm bolts & M12 washers

(x4) supplied

Door Switch

(Optional)

Horizontal Unit Wall Hanging Brackets

(Optional)

Wall Brackets and Fixing Bolts

(Vertical Units Only)

5. DELIVERY CONTENTS

NOTE: If any parts are missing or damaged contact your place of purchase.

T9901150-1-1 UK Page | 6

Fig 1

Fig 2a Fig 2b

The following tools are required for installation:

The air curtain is designed to be surface mounted inside a building and located horizontally over the

doorway. It must not be installed outside of the building.

7.1 Location

Mount the air curtain above the doorway, with:

 the discharge grille not more than 4m above floor level

 at least 100mm clearance above the air curtain, see Fig 1

 with the back edge of the hanging bracket 100mm from the doorway,

so the air curtain can swivel, see Fig 1, Figs 2a and 2b.

Beware of doorway top edges, structural beams, door opening/closure

devices, etc., which may interfere with the air stream and affect the location of

the unit.

6. TOOLS REQUIRED

7. INSTALLATION (HORIZONTAL UNITS)

NOTE: For the air curtain to work well the width of the open doorway should be less than the

effective width of the airstream, see Table 1.

 Flat blade screwdrivers

 Pozi head screwdrivers

 10mm and 19mm spanners

 Adjustable spanner

 Electric drill

 Equipment for working at height

 Appropriate lifting equipment

 Hacksaw

4000mm

100mm

AIR IN

AIR OUT

200

AIR IN

AIR OUT

200

340340 9595

20° max.

6060

T9901150-1-1 UK Page | 7

Fig 3

Fig 4

7.2 Ceiling Suspension

M10 Threaded rods (not supplied) are used to suspend the unit from

the ceiling.

Suspend the unit from the ceiling as follows:

Step 1 Locate Ceiling Hanging Brackets to each side of the air

curtain as shown in Fig 3.

Step 2 Fit two M12 bolts from inside the air curtain to secure each

Ceiling Bracket. The top bolt is `fitted through a slot which

allows the air curtain to be tilted.

Step 3 Fit and secure M10 threaded hanging rods into holes on the

top face of each Ceiling Bracket.

Step 4 Secure all hanging rods (x4) to a suitable structure that can

support the weight of the unit (see section 3: Specifications

for weights).

Step 5 Tighten all fixing bolts until the air curtain is safely secured.

7.3 Wall Fixing

Step 1 Drill fixing points in the wall, referring to Appendix 1 for correct positioning. Using suitable

fixing bolts, fix both wall brackets to the wall.

Step 2 Locate Ceiling Hanging Brackets to each side of the air curtain as shown in Fig 3.

Step 3 Fit two M12 bolts from inside the air curtain to secure each Ceiling Bracket. The top bolt is

fitted through a slot which allows the air curtain to be tilted.

Step 4 Air curtain can be fitted directly to Ceiling Hanging Brackets using M10 nuts and bolts.

Alternatively, using M10 threaded hanging rods air curtain can be fitted to Ceiling Brackets

(see Appendix 1).

Step 5 Tighten all fixing bolts until the air curtain is safely secured to the wall.

NOTE: Use suitable wall fixing bolts (not supplied) to fix the unit to the wall, taking into account the

type of wall and the weight of the unit (see section 3: Specifications).

WARNING: It is the sole responsibility of the installer to ensure that the fixing locations and

suspension system used are suitable for the air curtain being installed.

T9901150-1-1 UK Page | 8

The CS air curtain is designed to be surface mounted inside a building and located vertically to the

left or right hand side nearest the doorway. It must not be installed outside of the building.

8.1 Location

Mount the air curtain to the side of the doorway, with:

the discharge grille not blocked by any obstacles within 1m of the unit

at least 100mm clearance above the air curtain to allow for servicing

at least 150mm clearance in front of the unit to allow for air to enter

Beware of doorway top edges, structural beams, door opening/closure devices, etc., which may

interfere with the air stream and affect the location of the unit. For vertical units, provision should be

made to protect the base of the unit from damage taking note of the above points.

For maximum effectiveness it is essential to ensure the top of the air curtain is slightly higher than the

opening height of the door. Obstructions such as door opening devices, structural beams etc. will reduce

the efficiency of the air curtain.

7.2 Floor Fixing

Before installing the air curtain obtain four suitable M10 fixing bolts, taking into account floor type

and unit weight (see section 3: Specifications)*. Rawlplug ® M10 Projecting Rawlbolt ® 44356 type

may be suitable. For dimensional details refer to the general assembly drawing, Appendix 1.

Determine and place the unit in position. A wall bracket is provided to secure the vertical air curtain

to the wall and this must be used. So that the wall bracket touches the wall, ensure the back of the

base plate touches against the wall, skirting board will need to be cut away if necessary.

Using the base plate as a template, mark the location of the

four holes, see Fig 5.

Using a suitable masonry drill bit correctly drill the four marked

out holes. Place M10 fixing bolts into each hole, ensuring all

bolts are upright.

Reposition the air curtain base plate over the projecting bolts.

Tighten each M10 nut as indicated in Fig 6. Ensure the

vertical unit is secure, level and square. It may be necessary

to pack under the base plate to ensure unit is vertical.

8. INSTALLATION (VERTICAL UNITS)

Fig 5

Fig 6

T9901150-1-1 UK Page | 9

Using a hacksaw carefully cut the projecting bolt flush with the

nut, ensuring the base plate is not damaged or marked in any

way.

Remove only one M10 nut and refit and resecure bolt with

a stainless steel M10 dome nut supplied. Repeat for each

of the other three projecting bolts one at a time.

WARNING: It is the sole responsibility of the installer to ensure that the fixing locations and

securing system used are suitable for the air curtain being installed.

Fig 3

Fig 4

T9901150-1-1 UK Page | 10

control box upper lid cover

Fig 7

Fig 6

9.1 How to access terminals

To gain access to the air curtain for connection and commissioning, remove air inlet grilles and

access panel as explained below.

First remove the plastic end caps at each end of the unit, if fitted, by pulling off to the side.

9.1.1 Remove air inlet grilles

Using a Pozi No 1 screwdriver, remove each grill with its filter.

To remove, insert screwdriver into the elongated hole at the bottom

corner of the grille (see Fig 5) and turn the screw one quarter of a turn

anticlockwise.

9.1.2 Remove bottom access panel and access terminals

Unfasten the securing screw at each end (see 1, Fig 6) and two

screws in the centre (CS 1500 and CS 2000 units).

To remove, slide the access panel (see 2, Fig 6) out forwards.

Remove the control box upper lid cover (see Fig 7).

Connect electrical supply from local isolator.

Refer to Appendix 2 and 3 for Wiring Diagrams.

9. ACCESS FOR ELECTRICAL CONNECTIONS

NOTE: All air curtain panels are protected in a plastic film. When access panels are removed this

film can be removed.

Fig 5

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