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Technical instructions

for Installation

4

DESHU - October 2015

A. 

Receipt

Each unit is checked and tested at the factory, prior to shipment, and a test certifi cate is issued. Unless 
otherwise requested in the project specifi cations, units are delivered fully assembled and charged with 
pressurised refrigerant.
Unless otherwise specifi ed, units are delivered without packaging. 

1. 

At arrival on site, 

check the unit for transport damage

.

2. 

If you detect or suspect any damage, please note any necessary reservations on the transport document. 
Confi rm your reservations in a registered letter within 24 hours and inform your sales contact person.

3. 

Remove the adhesive tape

 used to prevent doors from opening during transport.

4.  

If necessary, you will fi nd your 

access key

 fi xed to the technical section ventilation grid or to the handle. A 

spare key is also fi xed to the document holder, next to the electrical board.

5. 

Make sure that all unassembled components are included (refer to the check list of accessories).

6. 

For handling and assembling instructions, refer to the 

installation instructions

 located in the document 

holder, next to the electrical cabinet.

B. 

Handling

Use the supplied lifting lugs

 to lift and transport the unit using a forklift or a crane.

When using a crane, use slings or 

nylon webbing and shackles

 to handle the unit. Extend with chain slings if 

necessary.
If you use short slings, always use a lifting beam to avoid damaging the roof or scratching the casing.
Lifting loads: for more information about weight distribution, please contact the project coordinator at the 
following email address: 

[email protected]

1/ 

General information

1.1/  Installing a packaged unit

•  Handling with a crane

Units are equipped with lifting lugs on casing (on the lower 
part).
Slings minimum length must be twice the unit width plus the 
unit height (see example below).
Slowly pull the chains or slings taut until the unit starts moving.
Take the unit to the installation area.

Example: L = A + B = (2 x 2.4) + 2 = 6.8 m minimum

A

A

2.40 m

2 m

B

Содержание DESHU SM/HPE+

Страница 1: ...É n e r g i e T r a n s f e r t T h e r m i q u e e r m i q u e Technical instructions for Installation A different climate Environmental control solutions Version October 2015 DESHU SM HPE ...

Страница 2: ... instructions as stipulated in ETT General Terms of Sales Maintenance shall be performed by a specialised company Special attention shall be paid to cleaning and changing filters regularly We hope that you will enjoy your ETT equipment and we trust that it will provide you total satisfaction ...

Страница 3: ...E n e r g i e T r a n s f e r t Thermique Contents A Receipt 4 B Handling 4 C Storage 9 D Installation 9 E Hydraulic connections 9 F Safety precautions 13 G Commissioning 16 ...

Страница 4: ...5 Make sure that all unassembled components are included refer to the check list of accessories 6 For handling and assembling instructions refer to the installation instructions located in the document holder next to the electrical cabinet B Handling Use the supplied lifting lugs to lift and transport the unit using a forklift or a crane When using a crane use slings or nylon webbing and shackles ...

Страница 5: ...For assembly instructions please refer to paragraph 5 Assembling Disassembling the lifting lugs page 8 In some cases the main power switch handle may be removed and stored in the technical section to avoid damage during handling Reassemble the handle once the unit is installed Slowly pull the chains or slings taut until the unit starts moving Take the unit to the installation area Step 1 Install b...

Страница 6: ... explained below Detailed view of the block Block floor assembly Block side panel assembly without double skin Polyurethane sealant PVC foam gasket 9x3 Side panel 1 8 mm thick Double skin 1 3 mm thick TH M8X25 zN screw Polyurethane sealant PVC foam gasket 9x3 Polyurethane sealant PVC foam gasket 9x3 TH M8X25 zN screw Stiffener 2 7 mm thick ...

Страница 7: ...its may be installed on a customer supplied frame In that case the unit may be laid directly on the frame It is recommended to bolt the unit to the frame or to fix it with a beam clamp system If requested holes may be pre drilled in the factory where needed For some applications cinemas theatres etc anti vibration pads or mounts may be needed to reduce structure borne noise Refer to a specialised ...

Страница 8: ... the side panels 1 with the deflector 2 using rivets Apply sealant into the groove Coat a cowl part with sealant Rivet the cowl to the unit Smooth the joint 5 Assembling Disassembling the lifting lugs Some units are delivered with lifting lugs unassembled to facilitate transport The lifting lugs and assembly screws may be found in a referenced box inside the unit refer to the check list It is reco...

Страница 9: ...and outlets and lag the pipes To ensure satisfactory operation of the piping network outside of the unit we recommend the following equipment Demountable fittings to facilitate circuit disassembly Filters prevent foreign matter from entering the circuits and protect the valves or the pump Thermometers allow water inlet and outlet temperatures monitoring Stop valves to isolate a circuit for mainten...

Страница 10: ...d to be supplied by the installer Please take into account the siphons for unit installation If required all rubber siphons can be connected to a PVC header with a slope of 1 cm per metre minimum Warning Positive pressure sections and negative pressure sections must be equipped with separate evacuation pipes Separate headers are required Siphons Frame channel U 80 U 100 U 125 U 140 U 160 U 200 Min...

Страница 11: ...15 100 set on the day of delivery If the earthing scheme is different ETT shall not be responsible for bringing it into compliance All the wiring performed on site must comply with applicable regulations appropriate wire cross section to avoid line voltage drops or overheating Our technician will control phase sequence during commissioning In case of wrong phase sequence any damage to the unit wil...

Страница 12: ...l connection see illustrations below to facilitate on site connection by the installer All connectors are labelled For units delivered in more than 3 blocks electrical wires are numbered to facilitate on site connection 5 Ducts Respect inlet and outlet air sections on the unit Ensure air tightness between duct segments to limit pressure drop Prevent foreign matter from entering the network tools r...

Страница 13: ...volves several potential hazards high pressure high temperature rotating parts motorised fan electrical components work at a height rooftop elevated structures etc Only qualified and experienced installers and maintenance mechanics are authorised to install commission and maintain such equipment Routine maintenance operations such as coils and filters cleaning or filter replacement may be performe...

Страница 14: ...sprays can cause frostbite and eye damage Ensure good ventilation of the working area to avoid inhaling high vapours concentration levels Smoking and alcohol consumption are prohibited during work Avoid exposing refrigerants to an open flame to prevent the formation of toxic decomposition products Consequently all welding and brazing activities must be performed on parts with no trace of refrigera...

Страница 15: ...e one glass of water Medical advice Administer symptomatic treatment and additional care as indicated Do not administer ephedrine or adrenaline products which may cause cardiac arrhythmia and even cardiac arrest 2 Special instructions for chilled water circuits Chilled water circuits in particular freon to water exchangers are highly vulnerable to frost damage Consequences can be significant excha...

Страница 16: ... A prevention and safety plan has been implemented and ETT personnel can safely access the unit throughout the intervention 2 Crankcase heaters have been activated 12 hours before commissioning 3 Hydraulic connections have been made pressure tests and purges have been performed 4 Water filters have been installed for units on water loop 5 Gas connections and pressure tests will be realised 6 Fresh...

Страница 17: ...ort Contact 33 0 2 98 48 00 70 ETT Services 33 0 2 98 48 02 22 Design ETT Document printed by an environmentally friendly printer using vegetable based ink on PEFC paper created from sustainably managed forest A different climate Environmental control solutions É n e r g i e T r a n s f e r t T h e r m i q u e ...

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