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Page No 14 Reznor, Guardian 1 Phase Electric Heat with Signal Pro, Installation Manual,  EN 2021-11, D301375 Iss 0

I

Suspending on drop rods 

1.  The product is installed using 4 x M10 drop 

rods fitted into the fixing points in the top 
of casing. 

2.  The drop rods must completely pass 

through the fixing points in the case 
without being too long to cause damage 
to products inside the case. 

3.  Ensure that the secure mounting point in 

the ceiling is capable of supporting the 
weight of the unit.

4.  Lift the unit (using lifting equipment) onto 

drop rods ceiling fixing point.

Figure 14 Suspending from drop rods

5.  Level the unit and tighten the fixing points. 

Carryout a final check to ensure the unit 
remains level

6.  Holes are provided in the casing for cable 

entry. Choose the appropriate hole to 
suit the installation. Note the terminal 
connection block is located to the right of 
the unit. 

7.  Install the cable into the case using a 

suitable cable gland for size of cable

8.  Two RJ45 ports are located in the case to 

connect the program panel and any other 
air curtains to be controlled 

9.  Adjust outlet to required angle to give 

desired performance and tighten outlet 
grille.

10. Fit the display panel and commission the 

unit 

Wall mounting bracket 

Figure 15 Wall mounting bracket 

Figure 15.1 Side view

Figure 15.1 shows the overall dimensions of 
the wall bracket assembly.

Figure 15.2 Front view

Figure 15.2 shows the dimensions of the 
bracket that is to be fixed to the wall, along 
with fixing positions. Please ensure that 
adequate fixings and wall structure are present 
to support the unit weight.

Summary of Contents for GUARDIAN GB 1000

Page 1: ...s 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 Improp...

Page 2: ......

Page 3: ...auto mode 20 4 All on mode 20 5 All heat off 20 6 Set door open temperature 20 7 Set heat on off 21 8 Set overtime 21 9 Set time and days 21 10 Set time program 21 11 Menu end 21 Engineers instruction...

Page 4: ...vailable at an additional cost The display 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 wheth...

Page 5: ...Important notice to installers Before installation check the local distribution conditions supply voltage are compatible Installation assembly commissioning service and maintenance procedures must be...

Page 6: ...velocity at 1 metre H m s 5 6 5 2 5 4 Maximum velocity at 2 metre H m s 3 8 3 5 3 7 Maximum velocity at 3 metre H m s 2 8 2 5 2 8 Motor power L M H W 365 530 730 Noise level 3m free field L dB A 52 M...

Page 7: ...ntry and prevents combustible surfaces overheating The minimum mounting height floor to grille outlet is 1 8m The recommended maximum mounting height is 3m for standard fan setting 4m for high Dimensi...

Page 8: ...ces It is recommended that a minimum clearance of 100mm is allowed around the case The clearance allows for cable entry and prevents combustible surfaces overheating The minimum mounting height floor...

Page 9: ...4 112 114 3 830 1360 1884 4 226 5 1060 1584 2111 6 448 7 1125 1650 2177 8 436 9 300 10 427 487 Figure 4 3 GB Side view Table 4 GB Dimensions Clearance distances It is recommended that a minimum cleara...

Page 10: ...display panel is supplied with an industry standard plastic double surface mounted socket box Alternatively the display panel can be flush mounted using a customer supplied plastic or metal flush con...

Page 11: ...al EN 2021 11 D301375 Iss 0 Page No 11 TD Component layout Figure 6 Component layout GS Location Component 1 Control panel 2 Installer terminal block 3 Fan 4 Fan motor 5 Fan deck 6 Resistor 1500 only...

Page 12: ...the consultant architect or owner of the building is recommended to ensure that a sound stable installation can be achieved Figure 8 Honeycomb outlet position near to the door adjustable angle of 0 to...

Page 13: ...of the lower grove in the case 3 The first cover can then be pushed to the right to release it from the screw slot see figure 10 then pull forward and lift upwards to be removed For additional covers...

Page 14: ...ins level 6 Holes are provided in the casing for cable entry Choose the appropriate hole to suit the installation Note the terminal connection block is located to the right of the unit 7 Install the c...

Page 15: ...nstructions grill Figure 16 Mounting bracket option Figure 16 1 Mounting bracket fitted to GB Signal Pro display panel The display panel can be installed using the standard double surface box supplied...

Page 16: ...e units to each terminal pair EXT Only air curtain s wired this way will respond to the sensor setting If the optional external temperature sensor is connected to the air curtain If the external tempe...

Page 17: ...itching thyristors for the heater An external circuit breaker with the appropriate rating should be installed for the protection of the installation Terminal Description Cable 3 4 Optional external sw...

Page 18: ...red RJ45 cable to the socket in the first air curtain housing See figure 25 on page 19 Connect a second RJ45 cable in to the spare RJ45 socket of the first air curtain and then take across to one of t...

Page 19: ...C Operation In normal operation the home screen displays the status of the display panel and each connected air curtain in sequence Each screen is displayed for two seconds Display Status Top line sho...

Page 20: ...o heat and no fan and then returns to default display 3 All Auto mode A single press of OK quickly starts Auto timed operation for all air curtains and then returns to default display When in Auto mod...

Page 21: ...lashing Use PLUS and MINUS to adjust hours 00 to 23 then OK Minutes starts flashing Use PLUS and MINUS to adjust minutes 00 to 59 then OK After this OK the new Time and Day is stored If MENU is presse...

Page 22: ...ss was individual then next address is flashing Use PLUS and MINUS to set address OK to modify the fab speed or MENU to exit back to engineers menu 3 Set door closed temperature Door closed temperatur...

Page 23: ...of the air curtains discovered then OK If lead air curtain address is set to OFF then the sequence finishes and returns to the engineers menu interlocks will not be enabled If lead air curtain addres...

Page 24: ...work scanned for connected air curtains and when finished returns to engineers menu If scan NO then the sequence returns to the engineers menu Note This will cause the detected network type to be rese...

Page 25: ...the air curtain on this address is not responding to the panel Display for active air curtains Electric system Where AC is address of AC with diagnostics being displayed H 1 heat on 0 heat off from AC...

Page 26: ...e the outside limit the fan will continue to run but the heat output will be off When the outside temperature is below 0 C the air outlet temperature will be the set temperature plus the elevate at ze...

Page 27: ...gs Bitswitch3 ON Modbus Address Switch Setting Modbus Address Switch Setting 16 0 24 8 17 1 25 9 18 2 26 A 19 3 27 B 20 4 28 C 21 5 29 D 22 6 30 E 23 7 31 F Modbus function codes supported Codes Descr...

Page 28: ...xt_exists Read only Set if external thermistor not fitted 13 Set_fan1 Read write Switch fan 1 14 Set_fan 2 Read write Switch fan 2 15 Set_fan 2 Read write Switch fan 2 16 Heat Read write Switch heat d...

Page 29: ...lifted out of the dog bone slot This panel can then be lifted out of the tabs at the bottom to fully release see figure 9 on page 13 2 GR units loosen the screws securing the inlet grille and hinge do...

Page 30: ...elease the carrier from the stud side on the 2m models the centre support can be moved to one side to allow the stud side to be released On the GS units peal back the tabs which retain the honeycomb o...

Page 31: ...to identify the nature of the fault however we do not recommend re setting without a thorough investigation into why the cut out operated Figure 31 Thermal cut out Display panel Any fault will be des...

Page 32: ...heat Air sensor cable disconnected Air sensor broken Check cable Replace air sensor Air sensor temp too high Fan operating no heat High ambient air temperature Incorrect motor or fan deck rotation Mot...

Page 33: ...of the unit Component 1000 1500 2000 Generic components Fan deck assembly 1026174 1026175 1026174 x 2 Signal Pro display panel 108221 RJ45 2 Resistor n a 1037491 n a Honeycomb core 1026068 1026078 102...

Page 34: ...verse the steps remembering to reconnect the temperature sensor wire which goes through the hole in the PCB Reverse the steps to install the new control panel Set the dip switch for the location and f...

Page 35: ...o 35 G 3 Remove the wires to the thermal cut out sensor two sensors on the 2 metre units and remove the thermal cut out 4 Remove the four securing nuts shake proof washer and flat washer that secure t...

Page 36: ...k com www reznor eu Nortek Global HVAC is a registered trademark of the Nortek Global HVAC lLmited Because of the continuous product innovation Nortek Global HVAC reserves the right to change product...

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