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1.0 SAFETY INFORMATION
•
The provision of the electrical supply and the connection of the unit to the mains must be
carried out by a qualified electrician.
•
Isolate from power supply before removing any covers. During installation / maintenance ensure
all covers are fitted before switching on the mains supply.
•
All-pole disconnection from the mains as shown in the wiring diagram must be incorporated
within the fixed wiring and shall have a minimum contact separation of 3mm in accordance with
latest edition of the wiring regulations.
•
This unit must be earthed.
•
Ducting must be securely fixed with screws to the spigot to prevent access to live parts. Duct
runs terminating close to the fan must be adequately protected by suitable guards.
•
If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or
similarly qualified persons in order to avoid a hazard.
•
Precautions must be taken to avoid the back-flow of gases into the room from the open flue of
gas or other fuel-burning appliances.
•
This appliance should not be used by children or persons with reduced physical, sensory or
mental capabilities or lack of experience and knowledge, unless they have been given supervision
or instruction concerning the safe use of the appliance by a person responsible for their safety.
Children shall not play with the appliance. Cleaning and user maintenance shall not be carried
out by children.
1.1 Symbols
GENERAL WARNING
Signifies a general warning regarding hazard specified by supplementary information.
ELECTRIC SHOCK
This unit must be completely electrically isolated before any panels are removed. Check
mains supply and control connections.
ROTATING PARTS
This unit contains fast moving rotational parts which may start automatically. It is the
sole responsibility of the installer to adequately guard these components.
REFER TO INSTRUCTION MANUAL
Read and understand the installation and maintenance manual before installing,
operating or maintaining this product.
Nuaire |
Western Industrial Estate
NEPTUNE T-AT
Thermal Wheel AHU with
Adapt Trend (AT) Control
Installation Manual
|
|
| nuaire.co.uk
Caerphilly
CF83 1NA
03. 09. 20. Document Number 671935
EMC Directive
2014/30/EU
LVD Directive
2014/35/EU
1
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Related Manuals for NuAire NEPTUNE T-AT
Summary of Contents for NuAire NEPTUNE T-AT
- Page 1 NEPTUNE T-AT Thermal Wheel AHU with Adapt Trend (AT) Control EMC Directive 2014/30/EU Installation Manual LVD Directive 2014/35/EU 1.0 SAFETY INFORMATION • The provision of the electrical supply and the connection of the unit to the mains must be carried out by a qualified electrician.
- Page 2 5. Control Type: AT = Adapt Trend Nuaire would always recommend a site specific risk assessment by a 6. Access Handing L = Left Hand competent person to determine if any additional PPE is required.
- Page 3 To ensure that the delivery vehicle is loaded according to the end of each side to enable lifting. In addition to this, covered fork planned method of offloading, Nuaire must be notified to ensure lifting channels are located across the width of the base frame, if the coordination.
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Page 4: Mechanical Installation
•Left and right hand side M6 Upper 3 axis alignment clamps. If the storage period is to exceed two months, contact Nuaire for guidance on the appropriate ‘mothballing’ procedures. Do not stack Air leakage, air blow marks to the unit casings and unacceptable units, modules or components. - Page 5 4.8 Unit Connections 4.8.1 Ducting Nuaire do not provide ductwork connections with units, instead the open ended framework should be utilised. Flanged connections are available as an option, refer to technical documents for information relating specifically to the manufactured unit.
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Page 6: Installation Inspection
If specified with order, spare sets of filters will be provided and should be stored in a clean, dry environment. Should you require spare filter media, please contact Nuaire. 4.10 Control Dampers Care should be taken to ensure that all spring return actuators have stopped running and completed their stroke. -
Page 7: Unit Access
Installation Manual NEPTUNE T-AT 5.0 UNIT ACCESS Unit Access Access to Plate Heat Exchanger or Access to built-in controls Thermal Wheel Interchangeable filters slide in and out Access to interchangeable coils, LPHW heater and chilled water cooling option Easily removable... -
Page 8: Access Requirements
Installation Manual NEPTUNE T-AT 5.2 Access Requirements 5.2.1 Left Hand Plate Heat Exchanger Units Access for Left Hand Thermal Wheel Units Open Open Exhaust Extract Open Open Supply Inlet Left Hand Unit Top View of Access for Left Hand Thermal Wheel Units... -
Page 9: Electrical Installation
Installation Manual NEPTUNE T-AT 6.0 ELECTRICAL INSTALLATION 6.2 Electric Heater Power Supply For models with electric heating, the heating circuit is powered by 1 or The electrical wiring must be carried out by competent persons, in 2 separate, higher current, 400Vac 50Hz 3 phase & Neutral supplies. -
Page 10: Connection Chart
Installation Manual NEPTUNE T-AT 6.4.3 Network Settings IP address: 192.168.11.12 Subnet mask: 255.255.255.0 LAN 011,node 012 6.5 Connection Chart Description iQ4E Terminal No. Terminal No. Fresh Air Sensor 1 (4,5) Supply Air Sensor 2 (6,7) Return/Room Air Sensor 3 (8,9) - Page 11 Installation Manual NEPTUNE T-AT 6.7 Terminal Wire Connections 6.7.6 Double Deck Termination Block 6.7.1 Push In Termination Each deck has a different potential (2-conductor), which creates a space saving on the rail. Decks can be commoned to adjacent terminal blocks Stripped solid conductors, fine-stranded conductors with ferrules, or and / or the top to the bottom deck.
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Page 12: Wiring Diagrams
Installation Manual NEPTUNE T-AT 6.8.1 Code Description: 6.8.2 Wiring Diagram Reference Table WP 4 Unit Unit Contains Unit Contains Size NO or LPHW Electric Heater Heater 1. Unit Size: 07, 12, 17, 22, 32, 42 or 55 Section 6.9.1 Section 6.9.2 2. - Page 13 Installation Manual NEPTUNE T-AT 6.9.2 Unit Sizes 07 - 22 with Electric Heating Unit Sizes 07 - 22 with Electric Heating Wiring Diagram Key: Factory Connection Customer Connection (Mandatory) Customer Connection (Optional) Condensate Pump HX Bypass Relay Heat Demand Fault Relay...
- Page 14 Installation Manual NEPTUNE T-AT 6.9.3 Unit Sizes 32 - 42 with Electric Heating Unit Sizes 32 - 42 with Electric Heating Wiring Diagram Key: Factory Connection Customer Connection (Mandatory) Customer Connection (Optional) Condensate Pump HX Bypass Relay Heat Demand Fault Relay...
- Page 15 Installation Manual NEPTUNE T-AT 7.0 CONTROLS 7.4 Boost Mode When the control receives a boost signal the fans will run at boost The system incorporates a web enabled Trend iQ4E/96/LAN/BAC/230 speed. Once the signal is removed the fans will run on for a time controller with iQ4/IO/8DO relay expansion module.
- Page 16 Installation Manual NEPTUNE T-AT 7.11 Supply Air Temperature Control •Excessively high supply temperature reading (Will stop heating). If pump fault circuit is broken two additional events occur in order to While an enable signal is present, this mode modulates heating, stop condensate production.
- Page 17 Installation Manual NEPTUNE T-AT 7.16 Setpoints Most of the following are user adjustable within engineered limits: Switch Name Description Range Default Enable Software enable switch On/Off Trickle Mode When On, fans will trickle even with no enable signal On/Off Wiring Verification...
- Page 18 Installation Manual NEPTUNE T-AT Knob Name Description Range Default High Air Temp Alarm High supply air temp alarm temperature 30-70 °C 50 °C Low Air Temp Alarm Low supply air temp alarm temperature -40-20°C 8 °C Heating Type 1=LPHW 2=Electric...
- Page 19 - Ultrasonic Detector, adjustable in simply refer to one of the options below. 2 directions. For the full range and technical details, please visit www.nuaire.co.uk •Monitors occupancy over approximately 5 m diameter floor space 7.17.1 Thermistor Temperature Sensors •Fully automatic system operation •Direct connection to IQ Controllers...
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Page 20: Commissioning Checklist
Maintenance guidelines for all fans are dirt, lint and biological contaminants or similar. If necessary, wash beyond this manual, please contact Nuaire for specific documents. down affected areas with a mild detergent solution and a soft brush. -
Page 21: Electric Heaters
80°C is detected. This action is performed independently of any controls fitted. Nuaire fitted controls will also stop heating if a fan or heater failure is detected. 9.9 Bulkhead Lights Ensure that lights are switched off and isolated before checking or changing the lamp. - Page 22 Installation Manual NEPTUNE T-AT 10.0 FROST COIL INSTALLATION (OPTIONAL 10.5 Wiring - Electric Heater Frost Coil Unit Sizes 32 - 42 ANCILLARY) Wiring - Electric Frost Coil 32 - 42 10.1 LPHW Frost Coil LPHW frost coils are fitted with a frost stat on the air in side and an on/ External off 230v valve actuator (Unit size 32 &...
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Page 23: Warranty
The product warranty applies to the UK mainland and in accordance with Clause 14 of our Conditions of Sale. Customers purchasing from outside of the UK should contact Nuaire International Sales office for further details. Failure to maintain the unit as recommended will invalidate the warranty. - Page 24 GENERAL In addition to the particular requirements given for the individual product, the following general requirements The equipment referred to in this Declaration of Incorporation is supplied by Nuaire to be assembled into should be noted. a ventilation system which may or may not include additional components. The entire system must be...
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