Nortek 1000E-1PH, Installation Manual

Reznor, Guardian 1 Phase Electric Heat, Installation Manual,  EN 2021-08, D301299 Iss D     Page No 5 

G

Requirements 

Clearance distances

For installation and maintenance clearances, 
please see the information on page 8 for the 
GS models, page 6 for the GR models and 
page 10 for the GB models.

Electrical 

For full electrical loadings, please refer to 
the technical data section on page 6 of this 
manual.

It is recommended that the electrical supply 
to the base unit in the air curtain is via 
an appropriate switched isolator, fitted in 
accordance with the regulations in force in the 
country of use and must be via a fused isolator 
having a contact separation of greater than 
3mm in all poles.

For safety reasons a good earth 
connection must ALWAYS be 
made to the heater and control  

               box.

Models have a supply requirement of 230V 1 
phase, neutral and earth. Maximum cable inlet 
size is 10mm².

The display / program panel is wired to the 
control base unit via a RJ45 pre-wired cable.

Networked air curtain interconnects via a RJ45 
pre-wired cable

Important notice to installers 

Before installation, check the 
local distribution conditions, 
supply voltage are compatible.

Installation, assembly, 
commissioning, service and 
maintenance  procedures must  

    be carried out only by suitable  

               competent qualified persons. 
 

    Unauthorised modifications

               to the appliance, or departure  
               from the manufacturer’s guidance
 

    on intended use, or installation

    contrary to the manufacturer’s  

               recommendations may constitute  
               a hazard.

Note

To ignore the warning and caution 
notices, and to ignore the advice from 
the manufacturer on installation, 
commissioning, servicing, or use, will 
jeopardise any applicable warranty,  such 
a situation could also compromise the safe 
and efficient running of the appliance 
itself, and thereby constitute a hazard.

Using this manual 

Contained within the text of the manual, the 
symbols for ‘Caution’ and ‘Warning’ these are 
used to highlight certain points.

Caution is used when failure to 
follow or implement the 
instruction(s) can lead to  

               premature failure or damage to  
               the heater or its component      
               parts.

Warning is used when failure to 
heed or implement the 
instruction(s) can lead to not only

    component damage, but also to a  

               hazardous situation being 
 

    created where there is a risk of  

               personal injury.