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MANUAL PART NO. 703500

INSTALLATION & SERVICE MANUAL

COLDAIR WA, RA & RC

EVAPORATIVE COOLERS

Please read this document carefully before commencing installation, commissioning and/or servicing.

Leave it with the end user/site agent to be placed in their premises technical file after installation.

WARNING

This equipment must be installed and maintained in accordance with any relevant obligations arising from the Health and Safety at

Work Act 1974 or relevant codes of practice. In addition the installation must be carried out in accordance with the current IEE wiring

regulations (BS 7671) and any other relevant British Standards and Codes of Practice by a qualified installer.

All external wiring MUST comply with the current IEE wiring regulations

Содержание COLDAIR RA Series

Страница 1: ...after installation WARNING This equipment must be installed and maintained in accordance with any relevant obligations arising from the Health and Safety at Work Act 1974 or relevant codes of practice In addition the installation must be carried out in accordance with the current IEE wiring regulations BS 7671 and any other relevant British Standards and Codes of Practice by a qualified installer ...

Страница 2: ...ure probe 17 4 7 2 Schematic wiring RA150 18 4 7 3 Schematic wiring RA200 18 4 7 4 Schematic wiring RC100 19 4 7 5 Schematic wiring RC200 20 4 7 6 Multiple coolers 21 4 7 7 Multiple coolers via Router 22 4 7 8 Multiple coolers via two Routers 23 4 8 Connection to the water supply 24 SECTION 5 HEALTH AND SAFETY 24 5 1 Protection devices 24 5 2 Clothing 24 5 3 Residual risks 24 5 4 Emergency situati...

Страница 3: ...al spare parts removal of the protection guards ignoring the instructions for use negligence etc 1 Technical Information 1 1 Machine identification data Machine identification data is shown on the warranty sheet supplied to the customer and is enclosed in the documentation and on the machine identification plate 1 2 Introduction During the summer to improve the internal environment within a produc...

Страница 4: ...let dia mm 60 60 60 60 Air Duct Size mm 600 x 600 600 x 600 1185 x 590 850 x 470 Static Pressure pa 80 n a n a 80 Maximum Duct Length m See below 5 1 Bend 5 1 Bend See below Humidification Panel Thickness mm 100 100 100 100 Surface Area m2 2 7 2 7 3 4 3 4 Saturation Efficiency 88 88 88 88 Dimensions L x W x H mm 1150x1150x1050 1150x1150x1050 1610x1150x1050 1610x1150x1050 Weight Empty Full kg 87 10...

Страница 5: ...eated except by specific approval of the manufacturer Do NOT start up the machine if it is not connected to the relative plant duct of air distribution When the plant is operating do not touch the fan Mechanical danger Under NO circumstance should any work be undertaken on moving parts 1 5 Control Panels Any Controllers supplied are manufactured according to EN 60204 1 regulations UNDER NO CIRCUMS...

Страница 6: ...ldair Installation manual EN 2020 03 703500 Iss A 2 2 RA200 TA209 TA309 A Water Inlet B Water Outlet drain C Wiring Connections 2 3 RC100 Section A A A Water Inlet B Water Outlet drain C Wiring Connections Section A A ...

Страница 7: ...Reznor Coldair Installation manual EN 2020 03 703500 Iss A Page 7 2 4 RC200 Section A A A Water Inlet B Water Outlet drain C Wiring Connections 2 5 WA100 150 ...

Страница 8: ...ed personnel 3 4 Unpacking the equipment Free all the components from the packaging material and collect the packaging to avoid potential danger of fire and suffocation of persons or animals Leave the equipment on its transportation packaging base with any protection guards mounted so that the lower part is raised from the floor to avoid damage until the unit is installed Disposal of packaging mat...

Страница 9: ...w Fix the supplied support bracket at the prepared frame On the rear side of the cooling unit fan side prepare the first section of air duct box section 600 x 600mm Position the cooling unit onto the support bracket pushing the cooling unit towards the wall until it makes contact with the rear mountings of the bracket Fix the cooling unit using the appropriate side brackets and the self tapping sc...

Страница 10: ...ve coolers Prepare and secure the air inlet duct onto the roof structure The unit is equipped with a mating duct flange for direct attachment Duct dimensions RA 150 600 X 600mm RA 200 600 X 1150mm Position the base of the cooling unit onto the duct flange using fixings provided It is recommended to apply silicone sealant between the two flanges to guarantee a perfect water tight seal Check that th...

Страница 11: ...the position of the water pump in the unit make a hole through the panel for the hose end fitting Secure the fitting with a hose clamp and complete the water connections to the pump Insert the grilles onto the sides of the panels using clips provided Note DO NOT ASSEMBLE THE GRILLE AT THE FRONT OF THE MACHINE CONNECTIONS COMPONENTS SIDE The grille can be inserted later without clips to aid mainten...

Страница 12: ... the water connections Position the evaporative cooler on the inlet duct Fix the two flanges base duct flange inlet duct flange together and the bars at the frame by using provided bolts We would suggest to insert an outlet flexible connection between the two flanges to avoid vibrations transmitted through the ducts 4 4 4 Wall Window mounted RA evaporative coolers Prepare and fix an air inlet flan...

Страница 13: ...sition that can be easily reached The electrical installation must be in accordance to the current I E E Regulations The cooling unit is supplied with An Electrical board and Main power inlet switch for connection near to the unit A Control panel with display for remote command of the equipment positioned inside the building A multi core cable made of 2 or 4 core earth for connection to the power ...

Страница 14: ...hematic wiring for WA100 RA150 4 7 3 Schematic wiring for RA200 Legend A1 Main Switch A2 PCB A3 Control Panel M1 Fan M4 Pump S1 Drain S2 Float switch Y1 Inlet Valve Legend A1 Main Switch A2 PCB A3 Control Panel M1 Fan 1 M2 Fan 2 M4 Pump S1 Drain S2 Float switch Y1 Inlet Valve ...

Страница 15: ...ion manual EN 2020 03 703500 Iss A Page 15 4 7 4 Schematic wiring for RC100 Legend A1 Main Switch A2 PCB A3 Control Panel KM1 1st Speed contactor KM2 2nd Speed contactor M1 Fan 1 M4 Pump S1 Drain S2 Float switch Y1 Inlet Valve ...

Страница 16: ...lation manual EN 2020 03 703500 Iss A 4 7 5 Schematic wiring for RC200 Legend A1 Main Switch A2 PCB A3 Control Panel KM1 1st Speed contactor KM2 2nd Speed contactor M1 Fan 1 M2 Fan 2 M4 Pump S1 Drain S2 Float switch Y1 Inlet Valve ...

Страница 17: ... of the evaporative coolers and control panel must be carefully considered as the sensor is built into the controller Max distance between router and the coolers is 200m The system comprises of 1 Control panel display unit 1 ColdAIR evaporative cooler acting as a master Up to a max of 3 routers each having a max of 4 ColdAIR evaporative coolers as slaves System examples shown below 2 Routers max 9...

Страница 18: ... cable Maximum cable run between display module and router is 200m MASTER COOLER Connect terminals L1 and L2 to the router input terminals L1 and L2 Do not use V and V Maximum cable run between router and cooler is 200m SLAVE COOLER S Connect terminals L1 and L2 to the router outlet terminals L1 and L2 Add a jumper cable between terminals M S and V Maximum cable run between router and cooler s is ...

Страница 19: ...cable Maximum cable run between display module and router is 200m MASTER COOLER Connect terminals L1 and L2 to the router input terminals L1 and L2 Do not use V and V Maximum cable run between router and cooler is 200m SLAVE COOLER S Connect terminals L1 and L2 to the router outlet terminals L1 and L2 Add a jumper cable between terminals M S and V Maximum cable run between router and cooler s is 2...

Страница 20: ...refore particular attention regarding clothing is not necessary 5 3 Residual risks Pay attention to fan movement Do not put arms or limbs in equipment Mechanical danger Under NO circumstances use water to clean electro mechanical components Electrocution danger 5 4 Emergency situations In case of emergency Immediately stop the equipment and isolate the electrical circuit using the 2 pole isolator ...

Страница 21: ...irst start up ensure correct rotation of the fan as indicated on fan body 1 Remove cover by unscrewing the 4 corners screws 2 Enable ventilation mode 3 Check direction of motor 4 If the fan rotates in the wrong direction exchange the L1 and L2 connections at the main power supply switch 5 Re check direction of motor 6 Replace cover Check the tightness of the belt To avoid any undue noises and ensu...

Страница 22: ...tomatic fan speed Pressed for more than 2 seconds together with H command changes default parameters Pressed once shows the temperature detected Pressed once shows the humidity detected In both cases pressed for more than 5 seconds until SET is displayed allows the user to set the relative humidity Use the buttons to increase or decrease the value 6 3 1 2 Signal Descriptions The led indicates if t...

Страница 23: ...splay shows PR9 Release the key display shows the first program position and the symbol is displayed Use the button to set the day or multiple days required Use the and buttons to set the ON and oFF times required Press the button to set the mode Led on Cooling Led on Ventilation Led on unit ON Led off unit oFF To save the program and advance to the next program press the button If you want to exi...

Страница 24: ...essed until display shows oFF The remote control returns automatically to locked status after 15 seconds 6 8 Operating mode 6 8 1 Cooling Press the button to choose the cooling mode required Manual Automatic If the probe detects a humidity value more than 5 of the set value the unit goes into ventilation mode cooling stand by If the probe detects a humidity value less than the set value the unit a...

Страница 25: ...n to make sure the system operates efficiently at the start of the following season Cut off power to the unit using the main isolator switch Close off the water supply Drain the water supply pipe work to avoid bursts due to icing Remove the machine cover Check that the water channels are clean and that there are no obstructions in the water supply and distributor in the upper part of the unit Clea...

Страница 26: ...asses filter masks gloves suitable for contact with the solvent used When using solvents under no circumstance smoke or use open flames After use ventilate the building to extract any residual vapours Under no circumstance Leave any flammable materials near to electrical panels Work on the electrical equipment without isolating the equipment from the power supply lines Work on any part of the unit...

Страница 27: ...Reznor Coldair Installation manual EN 2020 03 703500 Iss A Page 27 ...

Страница 28: ... 0 1384 489707 reznorsales nortek com www reznor eu Nortek Global HVAC is a registered trademark of the Nortek Global HVAC limited Because of the continuous product innovation Nortek Global HVAC reserves the right to change product specification without due notice Reznor Coldair Installation manual EN 2020 03 703500 Iss A ...

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