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COLDAIR WA, RA & RC
EVAPORATIVE COOLERS
INSTALLATION & SERVICE MANUAL
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
MANUAL PART NO. 703500
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Table of Contents
Related Manuals for Reznor COLDAIR WA Series
Summary of Contents for Reznor COLDAIR WA Series
- Page 1 COLDAIR WA, RA & RC EVAPORATIVE COOLERS INSTALLATION & SERVICE MANUAL 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.
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Page 2: Table Of Contents
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 situations ......... 24 Page 2 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A... -
Page 3: General 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. Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A Page 3... - Page 4 50/66 53/68 58/65 Indoor 56/62 50/67 53/70 60/66 1 Test conditions: E. Temp. = 33°C-R. Hum 60% 2 Open field test, 4m distance RC100 Fan Curve RC200 Fan Curve Page 4 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A...
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Page 5: Warnings
The unit cannot be used for purposes other than those stated in paragraph 1.4 of this instruction manual. UNDER NO CIRCUMSTANCE INSTALL COLD AIR EVAPORATIVE COOLING PLANTS IN POTENTIALLY EXPLOSIVE ENVIRONMENTS. Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A Page 5... -
Page 6: Ra200
2.2 RA200 A: Water Inlet B: Water Outlet (drain) C: Wiring Connections Section A-A 2.3 RC100 TA309 Section A-A A: Water Inlet B: Water Outlet (drain) C: Wiring Connections Page 6 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A... -
Page 7: Rc200
2.4 RC200 Section A-A A: Water Inlet B: Water Outlet (drain) C: Wiring Connections 2.5 WA100/150 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A Page 7... -
Page 8: Section 3 - Packaging, Handling And Transportation
(box section 600 x 600mm). damaging the casing when tightened. Because of the heavy weight, RC models, when unpacked, are provided Position the cooling unit onto the support bracket, Page 8 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A... -
Page 9: Window Installation
Wall Installation Window Installation Window Installation support bracket NOT Wall Installation support bracket supplied supplied with unit. This will need to be with unit made by the installer. Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A Page 9... -
Page 10: Evaporative Cooling Units
It is recommended to apply silicone sealant between the Ensure the groove, on one side of the panel, is two flanges to guarantee a perfect water tight seal. uppermost. Page 10 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A... - Page 11 Noting 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. Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A Page 11...
- Page 12 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 Page 12 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A...
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Page 13: Installation
Note: Grey cable used for Power supply : • A Control panel with display for remote command of optional BMS control WA/RA 230v~50Hz the equipment, positioned inside the building. RC 400V~50Hz Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A Page 13... -
Page 14: Schematic Wiring Ra200
4.7.3 Schematic wiring for RA200 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 Page 14 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A... -
Page 15: Schematic Wiring Rc100
KM1 1 Speed contactor S1 Drain A1 Main Switch KM2 2 Speed contactor S2 Float switch A2 PCB M1 Fan 1 Y1 Inlet Valve A3 Control Panel M4 Pump Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A Page 15... -
Page 16: Schematic Wiring Rc200
Speed contactor M4 Pump A1 Main Switch KM2 2 Speed contactor S1 Drain A2 PCB M1 Fan 1 S2 Float switch A3 Control Panel M2 Fan 2 Y1 Inlet Valve Page 16 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A... -
Page 17: Multiple Coolers
Max distance between router and the coolers is 200m. System examples shown below. 1 Router (max 5 coolers) 2 Routers (max 9 coolers) 3 Routers (max 13 coolers) Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A Page 17... -
Page 18: Multiple Coolers Via Router
4.7.7 Multiple coolers via single router Diagram for use with Display Module model ref SCP015V110 only. Please consult supplier for display module ref SCRE10A/SCRE50D Page 18 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A... -
Page 19: Multiple Coolers Via Two Routers
4.7.8 Multiple coolers via two Routers Diagram for use with Display Module model ref SCP015V110 only. Please consult supplier for display module ref SCRE10A/SCRE50D Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A Page 19... -
Page 20: Connection To The Water Supply
The safety systems on the unit comply with the To optimize efficiency, take into account the following regulations in force as required by the relevant EU openings for air expulsion: Guarantee about 1m² area of Page 20 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A... -
Page 21: First Start-Up
To avoid any undue noises and ensuring long life, the In the OFF position, the Display shows:” 0FF ”. drive belt will require adjusting after the first few hours of (the panel is always powered-on) operation. Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A Page 21... -
Page 22: Signal Descriptions
“SET“ is displayed, allows the user to set the relative humidity. Clock error. The time on the remote controller is not set. Set current time. Use the buttons to increase or decrease the value. Page 22 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A... -
Page 23: Switching On
To delete a selected program, press and hold the required. button until the display changes to “--:--” Use the buttons to set the ON and Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A Page 23... -
Page 24: Changing The Temperature And Humidity Values
Press the button to choose the ventilation mode required: Press the button again to go back. Manual Automatic) To save changes press the button or wait 30 seconds. Page 24 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A... -
Page 25: Operating Faults
OFF key. following precautions be taken to make sure the system operates efficiently at the start of the following season. • Check for any water leaks. • Check cables conditions. Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A Page 25... -
Page 26: Maintenance Safety Regulations
Operate the equipment with the safety systems deactivated or removed. Deactivate or evade the alarm signals. Ignore the warning signals and signs fixed to the Page 26 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A... - Page 27 Reznor, Coldair, Installation manual, EN 2020-03, 703500 Iss A Page 27...
- Page 28 Tel +44 (0)1384 489250 Fax +44 (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.
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