Page No 4 Reznor, Guardian GB GR and GS, Installation Manual, EN 2020-06, D30121 Iss B
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Guardian air curtain range
General product information
Models
• GS Surface mounted model
• GR Recessed mounted model
• GB Bulkhead mounted model
Three sizes
• 1000mm
• 1500mm
• 2000mm
Three variations
• Ambient (not heated)
• Electrically heated
• LPHW (low pressure hot water)
The new design allows for quick and easy access to
the control panel and the installers terminal block,
the GS range has two access panels on the 1000,
three on the 1500 and four on the 2000. The GR has
hinged access panels which can be removed with
ease
Electric heated versions require a three phase (415v)
electrical supply, whilst all other versions need a
single phase (230v) supply
All units have fans capable of providing standard &
high capacity air duties. Electric & LPHW also offer
standard & high capacity heating outputs.
Units are designed for versatile installation, options
of wall mounted, recessed within a false ceiling,
fitted in a bulkhead, or on drop rods in front of glass
fronted entrances.
A wall mounting bracket is available as an optional
extra. Units can be mounted adjacent to each
other to cover the full door opening across wider
entrances.
All models are supplied with a program panel and
10m length of RJ45 communication cable.
The program panel allows the user to control either
a single air curtain, or a network of up to 16 air
curtains.
Easy programming the end users simply select
whether they require the heat on or off (not ambient
models), the required fan setting (1,2 or 3 speed),
and the outlet temperature setting
Options for BMS compatible via Modbus
communication can be linked to optional external
thermostat for proportional control in various set
temperatures
Health and safety
Before installing, carefully read the instructions and
follow the processes explained by the manufacturer
Check that the temperature ranges given and
those of the location match. The appliance must be
powered with a voltage corresponding to the value
shown on the rating plate.
Ensure that anchoring points are suitable for the
weight and loading of the product and if required,
add suitable reinforcement to the anchoring points
area.
Installing, programming, commissioning, and
maintenance of these products must only be carried
out by suitably qualified and trained technicians and
in full compliance of all applicable regulations and
current best practices.
Due consideration should be taken for workplace
safety, risk assessments and waste disposal.
Any modification of the product may be hazardous
and the manufacturer is not liable for any damage or
injury caused by improper use
