NuAire ESBHS2-L User Manual

1
nuaire.co.uk 029 2085 8400 13. 03. 19. Document Number 671188
The EMC Directive
2014/30/EU
The Low Voltage
Directive
2014/35/EU
ESBH
Ecosmart Boxer Air Handling Units
Installation and Maintenance
1.0 INTRODUCTION
The information contained in this document provides details of
installation, operation and maintenance for installers and users of the
ESBH Ecosmart Boxer range of air handling units.
A standard system incorporates the following, as appropriate to fan
type:
•Inlet section
•Filters
•Electric or LPHW heater
•Chilled Water or DX coil
•Belt or Direct Drive section
•Ecosmart control
•Fan failure circuit
•Integral temperature sensor
Optional extras may include:
•Silencers
•Dampers
•Heat Exchangers
•Inlet and Outlet Terminals
•Weathering Roof
•Sensors
•User controls
For systems which include supply fans with heating and/or cooling
coils, other than where the BMS has control, the appropriate user
control is required.
Code description: XBOXER XBC Ventilation Unit
ESBH S * - L C
| | | | |
1 2 3 4 5
1. Ecosmart Boxer Range (High Efficiency)
2. S = Supply Unit
E = Extract Unit
3. * = Unit Size (1-7)
4. N = No Heater
L = LPHW Coil
E = Electric Heater
5. C = CHW Coil
D = DX Coil
AIRFLOW
Electric Heater
Fan Section
LPHW Heater
Cooler
Silencer
IMPORTANT
ECOSMART CONTROL BOXES - Units sizes 3 and above,
incorporate control boxes on external casing as shown in
Figure 1.
IMPORTANT
UNITS OF MODULAR CONSTRUCTION: Units sizes 3 and
above will be supplied in modular sections, their assembly
and wiring between controls, sensors and actuators located in
each section is the responsibility of the installer and is
discussed within this document.
Figure 1. Typical module arrangement.

NuAire ESBHS2-L Specifications

General

Brand	NuAire
Model	ESBHS2-L
Category	Air Handlers
Language	English

Summary

Typical Unit Arrangements

Equipment Handling and Safety

Lifting and Transport Safety

Installation Procedures

Unit Erection and Assembly

Covers the erection of single and multi-section units, including base frame assembly.

Mechanical & Electrical Section Assembly

Electrical Wiring Guide

Power Requirements and Ratings

Lists full load currents and maximum power for electric heaters by unit model.

Wiring Diagrams (Models ESBHS1/ESBHEX1)

Illustrates the electrical connections for specific unit models ESBHS1, ESBHEX1.

Wiring Diagrams for Specific Models

Wiring Diagrams (LPHW Units)

Shows electrical connections for ESBHS1-L, ESBHS2-L, ESBHS1-LD, ESBHS-2LD models.

Wiring Diagrams (Electric Heater Units)

Shows electrical connections for ESBHS1-E and ESBHS2-E models.

Wiring Diagrams for 3-Phase Models

Wiring Diagrams (3-Phase Non-Heater Units)

Details wiring for 3-phase units ESBHEX3 to ESBHEX7.

Wiring Diagrams (3-Phase Electric Heater Units)

Details wiring for 3-phase electric heater units ESBHS3-E to ESBHS7-E.

Wiring Diagrams for LPHW/DX Models

Actuator and Sensor Connections (LPHW/DX)

Wiring Diagrams for LPHW/CW Models

Actuator and Sensor Connections (LPHW/CW)

Electrical Connections

Mains and Control Wiring

Covers mains, control, Net, SL, damper, and low voltage wiring.

Volt Free Contacts and BMS Signals

Setting to Work Procedures

Electrical Tests and Indicators

Explains the test button, LED indications, and their meanings.

Airflow Rate Settings

Maintenance and Warranty

Maintenance Intervals and Cleaning

Filter and Belt Maintenance