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www.johnsonandstarley.co.uk

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In the interest of continuous development Johnson and Starley reserves the right to change specification without prior notice.

 Johnson and Starley prides itself on its ability to supply spare parts quickly and efficiently.

CONTENTS

1. Features 

3

2.  Carton Content 

3

3.  General Information 

4

4.  Building Standards & Regulations 

4

5.  Safety Information 

4

Handling the Unit

Electrical Supply

6.  Duct Information 

5

7.  Technical Data 

5

8.  Positioning & Preparation 

5

9.  Installation Instructions 

6

Downflow Configuration

Upflow Configuration

Water Connections

Upflow Automatic Air Vent

Electrical Harness

Ancillaries Available

10. Return Air System 

7

11. Electrical 

7

Summer Air Circulation

12. Circuit Diagram 

8

13. Fan Performance 

9

14. Operating Modes 

9

High Temperature Mode

Low Temperature Mode

15. Commissioning 

10

Setting Maximum Speed

Setting Minimum Speed

With Thermista-stat fitted

With no Thermista-stat fitted

16. Servicing  & Maintenance 

10

Routine Maintenance

PCB Replacement

PCB Removal

Fan Removal

Heat Exchanger Removal
Air Filter Removal

17.  Fault Finding 

11

18. Dimensions 

13

19. Spares List 

14

20. Exploded Diagram 

15

Summary of Contents for AQUAIR S Series

Page 1: ...co uk Aquair S 10 Aquair S 16 Aquair S 20 INSTALLATION COMMISSIONING SERVICING INSTRUCTIONS AQUAIR S SERIES of Water to Air Space Heaters These instructions are to be left with the User Publication N...

Page 2: ...paration 5 9 Installation Instructions 6 Downflow Configuration Upflow Configuration Water Connections Upflow Automatic Air Vent Electrical Harness Ancillaries Available 10 Return Air System 7 11 Elec...

Page 3: ...5 5 4 4 3 6 10 AQUAIR S 10 FEATURES 1 Mains Supply 2 Air Filter 3 Air Circulation Fan with EC technology 4 PCB Control Board 5 Hot Water Return to Heat Source 6 Hot Water Flow from Heat Source 7 Flow...

Page 4: ...ackaging and during installation procedure Manoeuvring the boiler may include the use of a sack truck and involve lifting pushing and pulling 5 1 2 It should be noted that this appliance may contain s...

Page 5: ...ent clearance must be provided for the assembly of ducting and pipework ITEM S 10 S 16 S 20 Nominal Rated Output kW 10 15 20 Air on Temperature C 20 20 20 Air off Temperature C 67 67 67 Water Supply T...

Page 6: ...o be fitted the top of the unit must be suitably guarded to prevent any blockage 9 4 5 Once the installation is complete stick the Aquair decal in position on the front cover top left hand side 9 5 UP...

Page 7: ...r duct size flexible duct size and the return air grille size at maximum output 10 2 An adequate and unobstructed return air path is required from areas not served by a directly ducted return and to w...

Page 8: ...www johnsonandstarley co uk 8 12 CIRCUIT DIAGRAM FIGURE 4 AQUAIR S CIRCUIT DIAGRAM COLOUR CODE bn BROWN bl BLUE bk BLACK g y GREEN YELLOW r RED w WHITE or ORANGE y YELLOW...

Page 9: ...sta stat connected the fan will run when a water temperature of 33 C is reached and it stops when the water temperature falls to 20 C The fan speed is controlled by the Thermista stat demand 14 2 3 Wi...

Page 10: ...k temperature rise across unit is 40 C 15 6 3 Set water differential to 20 C using lock shield valve or equivalent 15 6 4 Check fan stops when water cools to required temperature 16 SERVICING MAINTENA...

Page 11: ...put Check for live supply into clock Replace clock if live is present Is 230 250VAC present Check harness connections to PCB If all OK Replace PCB Remove MAF stat connections and link Low Voltage term...

Page 12: ...ross high voltage terminals 1 2 If there 230 250 VAC across High Voltage terminals 1 2 Make sure mains is present across High Voltage terminals 2 3 Is the MAF stat connected Is fan now running Link ou...

Page 13: ...ENSIONS FIGURE 6 AQUAIR S 16 DIMENSIONS FIGURE 5 AQUAIR S 10 DIMENSIONS 485 787 48 362 402 631 402 42 22 53 97 463 44 331 169 365 61 445 787 22 53 97 517 48 296 336 60 325 52 341 350 44 42 362 300 768...

Page 14: ...Q16 0182005 S 20 1 AQ20 0182005 2 Air Circulation Fan S 10 1 AQ10 0126005 S 16 1 AQ16 0126005 S 20 1 AQ20 0126005 3 PCB Board 1 1000 0526275 4 Temperature Flow Sensor 1 1000 0526505 5 Front Cover 1 AQ...

Page 15: ...20 EXPLODED DIAGRAM FIGURE 8 AQUAIR S EXPLODED DIAGRAM GUARD FAN SLIDER SIDE KNOCK OUTS FLYING LEAD HOT WATER FLOW FROM HEAT SOURCE HOT WATER RETURN TO HEAT SOURCE AIR FILTER AIR CIRCULATION FAN PCB T...

Page 16: ...ales johnsonandstarley co uk marketing johnsonandstarley co uk Reception Customer Service 01604 762881 Fax 01604 767408 Anniversary 1922 2012 In the interest of continuous development Johnson Starley...

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