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AB-2 INDUSTRIAL
AIR CURTAIN RANGE
AMBIENT, ELECTRIC & LPHW MODELS
INSTALLATION & SERVICE MANUAL
EN ISO 12100:2010 Safety of machinery.
EN 60204-1:2018 Safety of machinery. Electrical equipment of machines.
EN 55014-1:2017 Electromagnetic compatibility.
EN 60335-2-30:2009+A11:2012 Safety. Requirements for room heaters to the following
European CE directives- 2006/95/EC - low voltage; 2014/35/EU - Electromagnetic compatibility
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
Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death.
All work must be carried out by appropriately qualified persons.
The manufacturer does not take any responsibility in the event of non-observance of the regulations concerning the connection of
the apparatus causing a dangerous operation possibly resulting in damage to the apparatus and/or environment in which the unit is
installed.
MANUAL PART NO. D301291
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Summary of Contents for Reznor AB-2 Series
- Page 1 AB-2 INDUSTRIAL AIR CURTAIN RANGE AMBIENT, ELECTRIC & LPHW MODELS INSTALLATION & SERVICE MANUAL EN ISO 12100:2010 Safety of machinery. EN 60204-1:2018 Safety of machinery. Electrical equipment of machines. EN 55014-1:2017 Electromagnetic compatibility. EN 60335-2-30:2009+A11:2012 Safety. Requirements for room heaters to the following European CE directives- 2006/95/EC - low voltage;...
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Page 2: Table Of Contents
SECTION 9 – USER INSTRUCTIONS ....... 11 9.1 Important information ........11 9.2 Control panel ............. 11 9.3 To start the AB air curtain ........11 Sample wiring diagrams ........... 12 Page 2 Reznor, AB-2 Ambient Electric & LPHW, Installation Manual, EN 2020-05, D301291... -
Page 3: General Information
Air curtains control the internal climate by emitting an air stream with enough velocity to meet the floor so Pattern of airflow creating an air barrier in the door area. To prevent the Reznor, AB-2 Ambient Electric & LPHW, Installation Manual, EN 2020-05, D301291 Page 3... -
Page 4: Section 1 - Technical Information
AB175 = 1695, AB225 = 2195 LPHW Coil Centres 2.1 Weights LPHW Model Ambient Electric 92kg 105kg 134kg 139kg 114kg 130kg 162kg 167kg All weights are approximate Page 4 Reznor, AB-2 Ambient Electric & LPHW, Installation Manual, EN 2020-05, D301291... -
Page 5: Section 3 - Installation Details
(arrowed, Fig. A), then loosening the intermediate locking Allen pins (arrowed, Fig. B). The louvres can now be moved to the desired position and the locking pins re- tightened. Reznor, AB-2 Ambient Electric & LPHW, Installation Manual, EN 2020-05, D301291 Page 5... -
Page 6: Lphw Models Only
The image on the right illustrates a typical installation using two AB-2 modules. Note: Each water coil is fitted with a 1/8” drain point located below either the flow or return connection Page 6 Reznor, AB-2 Ambient Electric & LPHW, Installation Manual, EN 2020-05, D301291... -
Page 7: Section 4 - Wiring Details
6.2. (Fig.2), and the retaining screws securing the hinged lid on the underside of the air curtain next to the louvres (Fig.3). Reznor, AB-2 Ambient Electric & LPHW, Installation Manual, EN 2020-05, D301291 Page 7... -
Page 8: Fan Closure Plate
Remove the retaining screws around the perimeter of the plate. (See Figs.5/6) The plate can now be removed. Fig 7 Fig 4 Fig 8 Page 8 Reznor, AB-2 Ambient Electric & LPHW, Installation Manual, EN 2020-05, D301291... -
Page 9: Heating Element Removal
6.3 Heating element removal (see Diagram 7) To gain access to the elements first remove the 9 screws (A) retaining the element housing. Diagram 7 Diagram 8 Reznor, AB-2 Ambient Electric & LPHW, Installation Manual, EN 2020-05, D301291 Page 9... -
Page 10: Section 7 - Spare Parts
Single fan run when cool), test unit off? motor. 2. Motor wiring. 3. Motor plug/socket. If the fan(s) still fail to operate normally, please contact your supplier. Page 10 Reznor, AB-2 Ambient Electric & LPHW, Installation Manual, EN 2020-05, D301291... -
Page 11: Section 9 - User Instructions
A door interlock switch (by others) will automate the operation of the air curtain on high fan speed, each time the door is opened providing the heat on/off & on/off switches are set to ‘on’. Reznor, AB-2 Ambient Electric & LPHW, Installation Manual, EN 2020-05, D301291 Page 11... -
Page 12: Sample Wiring Diagrams
Please note the following wiring diagrams are supplied as a guide only. Wiring diagrams supplied with the control panel MUST be followed as they may included specific control functions/features.. Ambient & LPHW single module Page 12 Reznor, AB-2 Ambient Electric & LPHW, Installation Manual, EN 2020-05, D301291... - Page 13 Please note the following wiring diagrams are supplied as a guide only. Wiring diagrams supplied with the control panel MUST be followed as they may included specific control functions/features.. Electric heat single module Reznor, AB-2 Ambient Electric & LPHW, Installation Manual, EN 2020-05, D301291 Page 13...
- Page 14 Please note the following wiring diagrams are supplied as a guide only. Wiring diagrams supplied with the control panel MUST be followed as they may included specific control functions/features.. Ambient & LPHW Twin module Page 14 Reznor, AB-2 Ambient Electric & LPHW, Installation Manual, EN 2020-05, D301291...
- Page 15 Please note the following wiring diagrams are supplied as a guide only. Wiring diagrams supplied with the control panel MUST be followed as they may included specific control functions/features.. Electric Heated Twin module Reznor, AB-2 Ambient Electric & LPHW, Installation Manual, EN 2020-05, D301291 Page 15...
- Page 16 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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