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GENERAL INFORMATION
--- Prior to commissioning of this device, please read completely through
this manual. Please observe in particular the regulations and
operating instructions containing the hazard symbols and safety
signs. Non-observance can result in damage to the device and
personal injuries.
--- If, after reading through the manual, you have further questions,
please contact the manufacturer or the local sales office.
--- The inspection, installation, connection and commissioning of the
device must be carried out by qualified skilled personnel only in
compliance with the current regulations.
--- Do not spray the device with liquids.
--- Do not operate the device with wet or moist hands.
--- Do not change any control or safety elements without prior approval
by the manufacturer or the local sales office.
--- Electric and hydraulic connections and their correct functioning are
the responsibility of the installer.
LIMITATION OF LIABILITY
SCHAKO shall not give any warranty for damage resulting from:
--- Improper use caused by ignoring the instructions given in this manual:
--- Non-observance of the operating conditions of the device.
--- Installation and maintenance by personnel without proper
qualification.
--- Improper use of the device or operation under conditions not
conforming to the manual.
--- Use of spare parts that are not original spare parts.
SCHAKO | Ferdinand Schad KG
Steigstrasse 25-27
D-78600 Kolbingen
INSTALLATION, MOUNTING AND
MAINTENANCE
WARRANTY
The device warranty will be for two years starting from the handover date
and shall apply to all production faults. Electric components are excluded
from the device warranty. However, they are covered by the
corresponding warranty of the relevant manufacturer
Also excluded from the warranty is damage to the device unit caused by
components that are not part of the device itself. The warranty only
covers the return and replacement of defective materials.
EXPLANATION OF SYMBOLS
Hazard warning
Important information
Caution, electric power
Safety information
Recycling
Phone +49 (0) 7463-980-0
Fax +49 (0) 7463-980-200
www.SCHAKO.de | info@SCHAKO.de
NBS
Fan coil unit
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Summary of Contents for Schako NBS Series
- Page 1 LIMITATION OF LIABILITY EXPLANATION OF SYMBOLS SCHAKO shall not give any warranty for damage resulting from: Hazard warning --- Improper use caused by ignoring the instructions given in this manual: --- Non-observance of the operating conditions of the device.
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Page 2: Table Of Contents
NBS – Fan coil unit INSTALLATION, MOUNTING AND MAINTENANCE Contents CONTENTS Identification of the delivered model ..........................3 Installation and commissioning ............................4 Installation ..................................6 Maintenance ..................................15 Spare parts list NBS-100 ..............................18 Spare parts list NBS-150 ..............................19 Troubleshooting ................................ -
Page 3: Identification Of The Delivered Model
Identification of the delivered model IDENTIFICATION OF THE DELIVERED MODEL DIMENSIONS The NBS series of air-conditioning units consists of two model NBS-100 series: the modular NBS-100 and the compact NBS-150. Register (a): Option of installing a single register (cooling or heating) or two registers (cooling and heating). -
Page 4: Installation And Commissioning
The weight must not rest on the condensate pan or the water connections. SCHAKO cannot be held liable for damage to the unit caused by improper handling or handling not mentioned here, loading or unloading. - Page 5 NBS – Fan coil unit INSTALLATION, MOUNTING AND MAINTENANCE Identification of the delivered model STORAGE MOUNTING POSITION If the device is not installed immediately after its reception, it The devices must not be installed in places with extreme must be stored according to the following instructions: moisture (e.g.
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Page 6: Installation
SCHAKO cannot be held liable for damage dampers. resulting from faulty installation or the use of unsuitable fastening devices. - Page 7 NBS – Fan coil unit INSTALLATION, MOUNTING AND MAINTENANCE Installation CONNECTING THE SUB-ASSEMBLIES Flange NBS-100 Before assembling the individual sub-assemblies, their condition must first be checked. This is followed by arranging the modules in the same order in which they are to be assembled. This is followed by moving them next to each other, arranging them and finally joining them using the screws and nuts enclosed with the unit by passing them through the lateral or bottom openings of the...
- Page 8 NBS – Fan coil unit INSTALLATION, MOUNTING AND MAINTENANCE Installation Supply air and return air boxes In the NBS-100, the plenum boxes are connected as follows: Before connecting the plenum boxes, make sure --- Place the plenum box in front of the main element (flange that the seal at the plenum box frame is in good or flexible connection) it is supposed to be connected to condition.
- Page 9 NBS – Fan coil unit INSTALLATION, MOUNTING AND MAINTENANCE Installation HYDRAULIC CONNECTIONS Silencer Upon customer request, the water connection to the registers can be established in air flow direction on the left or right-hand side of the unit. The water inlet is at the bottom and the water outlet at the top.
- Page 10 Prior to the electrical installation, you have to make sure that the rated mains voltage is 230 V AC, 50/60 Hz and is single- phase. SCHAKO cannot be held liable for faulty electrical SCHAKO recommends the exclusive use of copper cables, connections or if the power supply cable is replaced...
- Page 11 NBS – Fan coil unit INSTALLATION, MOUNTING AND MAINTENANCE Installation NBS-100-1 NBS-100-2 NBS-100-3 Construction subject to change. No return possible. Version: 03.03.21 | Page 11...
- Page 12 NBS – Fan coil unit INSTALLATION, MOUNTING AND MAINTENANCE Installation NBS-150-1 NBS-150-2 Construction subject to change. No return possible. Version: 03.03.21 | Page 12...
- Page 13 NBS – Fan coil unit INSTALLATION, MOUNTING AND MAINTENANCE Installation NBS-150-3 Construction subject to change. No return possible. Version: 03.03.21 | Page 13...
- Page 14 NBS – Fan coil unit INSTALLATION, MOUNTING AND MAINTENANCE Installation ACCESSORIES Temperature controls Condensate pump The temperature controls are mounted in accordance with The installation of the condensate pump depends on the the selected model. This is why the instructions enclosed with selected model.
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Page 15: Maintenance
NBS – Fan coil unit INSTALLATION, MOUNTING AND MAINTENANCE Maintenance MAINTENANCE When performing maintenance activities, it is NBS-150 (compact) recommended wearing personal protective 1. Remove the attachment strip of the sandwich panel using equipment, in order to avoid cuts and other injuries the screwdriver. - Page 16 If the operating conditions of the fan change (speed, pressure, temperature, etc.), consult SCHAKO's local sales office as to whether the unit can still be safely operated under these conditions. When decommissioning the unit or shutting it down...
- Page 17 Removal of the filters from the lateral or top side of the device: Pull out the filters using the handles provided for this purpose in the filters. SCHAKO recommends a bimonthly check at high- medium air quality and a monthly check at low air qualities.
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Page 18: Spare Parts List Nbs-100
NBS – Fan coil unit INSTALLATION, MOUNTING AND MAINTENANCE Spare parts list NBS -100 SPARE PARTS LIST NBS-100 Article Model Reference -100-1 107595 Motorised fan -100-2 107596 -100-3 107597 -100-1 102114 Capacitor -100-2 105708 -100-3 105708 El. plenum box (all) 102714 -100-1 104331... -
Page 19: Spare Parts List Nbs-150
NBS – Fan coil unit INSTALLATION, MOUNTING AND MAINTENANCE Spare parts list NBS -150 SPARE PARTS LIST NBS-150 Article Model Reference Motorised fan -150 107594 Capacitor -150 109841 El. plenum box (all) 102714 -150-1 104033 Cooling register -150-2 104035 -150-3 104037 -150-1 104034... -
Page 20: Troubleshooting
NBS – Fan coil unit INSTALLATION, MOUNTING AND MAINTENANCE Troubleshooting TROUBLESHOOTING Problem Possible cause Solution Unit is not working. Power supply missing. Establish power supply. Residual current device switch was Please inform the customer service. tripped. The unit does not cool or heat Air filter dirty or clogged.
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