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Reznor, Guardian 1 Phase Electric Heat, Installation Manual, EN 2021-08, D301299 Iss D Page No 9

G

Dimensions. GB Bulkhead mounted models

Figure 4 GB Top view

Figure 4.1 GB Front view

Figure 4.2 GB Bottom view

Reference GB 1000

GB 1500

GB 2000

1

70

2

114

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 clearance of 100mm is allowed around the case. The clearance
allows for cable entry 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.

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Summary of Contents for 1000E-1PH

Page 1: ...refully 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 responsibil...

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 instructions 22 1 Set door open fan speed 22 2 Set door closed fan speed 22 3 Set door closed temperature 22 4 Set outside temperature operation 22 5 Set temperature limits 23 6 Set int ext timer 23 7 Set group...

Page 4: ...e 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 whether they require the heat on or off the required fan setting 1 2 or 3 speed and the outlet temperature setting Options for BMS compatibility via Modbus communication can be linked to optional external thermos...

Page 5: ...ant 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 manufacture...

Page 6: ...ty 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 dB A 55 H dB A 59 Program panel control wiring RJ45 pre wired cable required Low voltage cable terminal size 1 5mm2 MAX Electric Heat Electrical supply L M H 230V 1 phase 50Hz Heating capacity L H kW 6 6 8 ...

Page 7: ...d 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 Dimensions GS Surface mounted models Figure 2 2 GS Bottom view Figure 2 1 GS Front view Figure 2 GS Top view Reference GS 1000 GS 1500 GS 2000 1 440 2 1094 1620 2148 3 227 4 70 5 132 130 132 6 830 1360 1884 7 306 8...

Page 8: ...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 to grille outlet is 1 8m The recommended maximum mounting height is 3m for standard fan setting 4m for high Figure 3 2 GR Bottom view Figure 3 1 GR Front view Figure 3 GR Top view Figure 3 3 GR Side view Dim...

Page 9: ...14 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 clearance of 100mm is allowed around the case The clearance allows for cable entry and prevents combustible surfaces overheating The minimum mounting height floor to grille outlet is 1 8m The recommended maximum m...

Page 10: ...y 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 conduit box as shown in Figure 5 2 Figure 5 Surface mount box Figure 5 2 Surface mounting back box dimensions Figure 5 1 Flush mounting plastic conduit box by others ...

Page 11: ...021 08 D301299 Iss D 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 7 Heating element Table 5 GS GR components Figure 7 Component layout GR ...

Page 12: ...sultant 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 5 Electrical supply Units require a connection to 1 phase 230V power supply only 1000 and 1500 models consume 6kW and 2000 models consume 8kW The appliance must be connected to the supply via an appropriate...

Page 13: ... 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 fitted on the 1500 or 2000 units loosen the fixing screws and remove as with the previous covers Figure 9 GS cover fixing point Figure 9 1 GS cover fixing point Figure 9 2 GS cover fixing point Figure 10 Do...

Page 14: ...el 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...

Page 15: ...ions 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 with the program panel or recessed using a suitable flush mounted double conduit box see Figure 5 2 Surface mounting back box dimensions on page 10 for details Figure 18 Display panel The display panel can ...

Page 16: ... 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 temperature is equal to the set temperature all air curtains are turned off The temperature must then drop to 3 C below the set temperature before the air curtains are turned back on Protection There are two high...

Page 17: ... 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 switch 1 5mm 5 6 Optional door contact 1 2 Optional external sensor PCB Fuses Rating A F1 T1H slow blow Table 7 1 Cable specification electric heated continued External Temp Sensor 900733 Guardian Signal Pro S...

Page 18: ...ket of the first air curtain and then take across to one of the RJ45 sockets in the second air curtain Further RJ45 cables can be used to connect more air curtains to the network up to a maximum of 16 air curtains can be linked to one display panel The RJ45 cable is 10m as standard however it is available in 2m 20m 30m 50m and 100m lengths Maximum length 100m Total length of cable used between dis...

Page 19: ...perature 23 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 shows day and time If the panel is using internal timer then the program time status ON1 OFF1 etc will also show Bottom line shows the outside temperature which is an average of all connected...

Page 20: ...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 mode during an on time period the air curtain controls to the individually set temperatures and fan speeds When in Auto mode during an off time period the air curtain has no heat and no fan 4 All On mode A sing...

Page 21: ...o Su then OK Hours starts flashing 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 pressed at any time the original Time and Day is restored 10 Set time program not if BMS Timer Set time program is only displayed when the panel is set to internal time clock mode...

Page 22: ...rts address flashing with ALL Use PLUS and MINUS to select all or single address then OK Fan speed starts flashing Use PLUS and MINUS to select off 1 2 3 then OK to set If address was all then the sequence finishes and returns to engineers menu If address 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...

Page 23: ...ure limit starts flashing Use PLUS and MINUS to select high temperature limit between current low temperature limit and 50 then OK to set and return to engineers menu Note All air curtains use the same temperature limits 6 Set int ext time OK starts INT EXT Timer Use PLUS and MINUS to set INT EXT timer then OK to return to engineers menu 7 Set group interlocks OK starts lead address flashing Use P...

Page 24: ...k to engineers menu 10 Reset connected air curtain address list OK starts no flashing Use PLUS and MINUS to select yes or no to scan connected air curtain addresses then OK If scan YES then the list of connected air curtains is cleared and the network 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 ...

Page 25: ... 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 flag F 0 to 3 fan level from AC flag 0 is off O outside temperature range 25 to 99 or if temperature range error or if no sensor T electric control temperature 0 to 99 or if temperature range error P electr...

Page 26: ...utside 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 zero temperature When the outside temperature is in between these two points the outlet air temperature are scaled between the two points as shown in the graph below In this example the outside limit temperatu...

Page 27: ...witch3 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 Descriptions Range of arguments 01 02 Read coils read discrete inputs equivalent Coils 1 to 24 03 04 Read Holding registers input registers equivalent Registers 121 to 126 05 Write single coil Coils 13 to 24 06 W...

Page 28: ...ts 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 demand on off A 17 Timer_link_ mask Read write Set to force timer link open circuit operation 18 0 Read write May indicate fault condition if read returns 1 19 Stat_link_ mask Read write Set to force thermost...

Page 29: ... 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 down the grille can be removed by releasing the spring loaded bolt to either side See figure 12 and 13 on page 13 Figure 26 GR Inlet cover 3 With a soft brush clean away any dust from the motor and elements 4 Check ...

Page 30: ...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 outlet remove the honeycomb media from the carrier and replace Then fit the new honeycomb media into the carrier and push the tabs back over the honeycomb to secure Figure 29 GS honeycomb retaining On the GR unit...

Page 31: ...y 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 described on the display panel until the fault has been cleared temperature fault There are five basic checks to perform should a fault appear on the program panel display These are as follows Continuity Use a mult...

Page 32: ...sor 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 Motor failure Check ventilation Check rotation of the fan deck Check motor replace if necessary Ext temp sensor failure Unit runs but no external temperature control External temperature sensor faulty Repair faulty ...

Page 33: ...ponent 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 1026068 x 2 Inlet cover assembly GS 1026849 Inlet cover assembly GR 1026662 1026163 1026829 Inlet cover filter only GS 1026664 Filter securing clip GS 1026910 Inlet cover filter only GR 1026665 1026835 1026665 x 2 Filt...

Page 34: ...eps 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 follow the networking address settings For more information refer to the section on page 18 Heating element 1 Follow steps to remove the covers 2 Remove the fixing bolts holding the honey comb outlet grill assembl...

Page 35: ...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 the fan deck 5 Lift out the fan deck 6 Replace the deck and reverse the steps to install the new fan deck ...

Page 36: ...les nortek 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 specification without due notice Current full Part No Reznor Guardian 1 Phase Electric Heat Installation Manual EN 2021 08 D301299 Iss D ...

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