General Information (G)
Guardian air curtain range .................................4
General product information ...............................4
Health and safety ...............................................4
Requirements .....................................................5
Clearance distances ............................................5
Electrical ............................................................5
Signal Pro controller ............................................5
Important notice to installers ..............................5
Using this manual ..............................................5
Technical Data (TD)
Technical data .....................................................6
Fuses .................................................................7
LPHW models water coil technical information ....8
Dimensions. GS surface mounted models ............9
Clearance distances ............................................9
Dimensions. GR recess mounted models ...........10
Clearance distances ..........................................10
Dimensions. GB bulkhead mounted models ......11
Clearance distances ..........................................11
Signal Pro display panel dimensions ..................12
Component layout ...........................................13
Installation (I)
Installation .......................................................14
Mounting .........................................................14
Electrical supply. ...............................................14
Installation process ...........................................15
Suspending on threaded rods ..........................16
Wall mounting bracket ....................................16
Installation details - LPHW Only .........................17
Signal Pro display panel .....................................18
Standard and high capacity fan & heat settings 19
Fan speed setting .............................................19
Ambient and LPHW model ................................19
Wiring diagrams. ..............................................20
Installer wiring Ambient single phase ...............20
Protection .........................................................20
Installer wiring Electric heated three phase only 21
Protection .........................................................21
Installer wiring LPHW single phase ....................22
Protection .........................................................22
Controller (C)
Introduction ......................................................23
Networking .......................................................23
Air curtain addressing .......................................23
Keypad buttons ................................................24
Keypad display ..................................................24
Operation .........................................................24
User operation ..................................................25
1. Set operating mode .................................25
2. All off mode ............................................25
3. All auto mode .........................................25
4. All on mode ............................................25
5. All heat off ..............................................25
6. Set door open temperature ......................25
7. Set heat on/off ........................................26
8. Set overtime ............................................26
9. Set time and days ....................................26
10. Set time program .....................................26
11. Menu end ...............................................26
Engineers instructions .......................................27
1. Set door open fan speed .........................27
2. Set door closed fan speed ........................27
3. Set door closed temperature ....................27
4. Set LPHW flow/return temperature ..........27
5. Set outside temperature operation ...........27
6. Set temperature limits ..............................28
7. Set int/ext timer .......................................28
8. Set group interlocks .................................28
9. Display hours run .....................................29
10. Set language ...........................................29
11. Reset connected air curtain address list ....29
12. Reset panel to factory defaults .................29
13. Engineers menu end ................................29
Diagnostics .......................................................30
Electric air outlet temperature when “outside
limit” is set .......................................................31
LPHW flow and return temperature when
“outside limit” is set ........................................32
Modbus protocol ..............................................33
Modbus address ...............................................33
Modbus function codes supported ....................33
Function arguments register ..............................33
Function arguments coils ..................................34
Maintenance & servicing (MS)
Maintenance and servicing ................................35
Inlet foam filter replacement GS ........................35
Inlet foam filter replacement GR ......................36
Honeycomb outlet replacement .......................36
Fault Finding (FF)
Fault finding. ....................................................37
General .............................................................37
Electrically heated units only. ............................37
Display panel. ...................................................37
Signal Pro fault codes ........................................38
Contents
