Calorex aa300 Technical Manual

Summary of aa300

  • Page 1

    Page 28 technical manual aa300avh(f) heat pump (sd611260 issue 3) 17/03/11 health and safety warning as the heat pump includes electrical components it is required that only trained and competent persons should remove panels giving internal access to the unit. Page 1.

  • Page 3: Contents

    Page 29 page 2 contents 1.0 how the calorex ‘aa300’ works. ..............................................................................................................3 1.1 operation ......................................................................................................................

  • Page 5: 20ºc

    Page 3 1.0 how the calorex ‘aa300’ works the calorex ‘aa300’ is a packaged refrigerant type dehumidifier that is specifically designed to provide humidity control and room heating (optional) for a swimming pool hall. The calorex ‘aa300 is designed to be connected into an air distribution system that...

  • Page 6

    Page 4 the calorex ‘aa300’. Features :- 1.Remote control panel the calorex ‘aa300’ is supplied as standard with a remote control panel that can be mounted up to 20m away from the unit. (the cable supplied with the aa300 is 1.8m ).The control panel features 12v circuits and interconnecting cable is e...

  • Page 7

    Page 5 1.1 operation the aa300 is connected to the control panel and then to the isolated mains supply as described in section 2.3. The isolator is then energised. The mains light on the side of the heat pump will illuminate indicating mains on. If the aa300 is fitted with an lphw the time clock wil...

  • Page 8

    Page 6 1.2. Humidity & air temperature and controls humidity digital controllers to program the set point. Press down p, sp1 and set point value will be displayed alternately. Press the or key to change the value of sp1. Once the desired value is displayed press p to memorise the value. The display ...

  • Page 9

    Page 7 1.3 time clock settings time clock aa 300 with lphw only the time clock is a quartz 24 hour clock with 100 hours battery reserve used to control the automatic operation on the aa300 unit per 24 hour time cycles. The time clock setting determines the occupied/unoccupied periods and is set to m...

  • Page 10

    Page 8 2.0 installation unpacking co nt rol con s o le % remova ble pane l cons o le duct c o nt ro l c o ns o le lp h w f itt e d ºc % = = = a u t o cont rol c o n s ole conn ecti on poi n t on delivery the console for the aa300 will be inside the machine. To retrieve the console unfasten the remov...

  • Page 11

    Page 9 80 0 a ir f il t er a c c ess 800 service access to electric box w a te r co nne c t io ns filter access panel ser vic e pa n e l co n s o le posit io n a lte rna tiv e co n s o l e po s it io n ai r o n ai r o f f c o nt ro l p a ne l co nn e c ti o n p o in t re d l a mp 1 2 v re mo t e co ...

  • Page 12

    Page 10 installation with optional features optional flexible ducting flange filter access panel optional flexible ducting flange se r v ic e pa n e l co ns o le po si t io n a lte rna t iv e co ns o le pos it ion service access to electric box 800 ai r o n b lan ki ng pl ate for op t iona l f r esh...

  • Page 13

    Page 11 2.1 plumbing condensate drain the condensate driptray in the ‘aa300vhf’ unit collects the water removed by the dehumidification process. It is therefore necessary to ensure that the’aa300vhf’ unit is placed on a level plinth so that the condensate can run away and not overflow the edges of t...

  • Page 14

    Page 12 boiler water schematic boiler pump radiators if fitted flow balance valve internal 3 way motorised valve (diverting) controlled by variheat . Flow meter lphw connections aw300avhf cabinet (factory set) co nd ens a t e dra in 3/ 4" b s p m bo il er w a t e r o u t 3 /4 " bs pm bo il er w a t ...

  • Page 15

    Page 13 2.3 electrical installation electrical safety it is important to ensure that all aspects of the installation comply with the latest i.E.E. Regulations. It is also important to ensure that any remote devices which terminate within the pool hall are of the type and voltage as specified in the ...

  • Page 16

    Page 14 2.3.1 mains supply terminal block layout terminal block under flange in electric box air probe humidity sensor p5 p6 p7 p3 p4 3 4 5 1 2 terminals in remote sensor box optional remote sensor box sw it c h ed f u se d i s o l at or t o be w ithin s ig h t o f fr o n t o f u n it & no t m o r e...

  • Page 17

    Page 15 2.3.2 notes on terminal block connections note 1 - remote occupied/unoccupied these contacts (from terminals 10 & 11) are to enable the air temperature set back facility to be remotely overridden. There is a 12 v ac output from these terminals and closing a remote switch will enable the unit...

  • Page 18

    Page 16 2.4 commissioning checklist a) is the building finished in accordance with the original plans and specification. B) is the plenum chamber and all ductwork insulated, special attention should be made to the insulation of the fresh air inlet ducting to prevent condensation problems. C) are the...

  • Page 19

    Page 17 blank page.

  • Page 20

    Page 18 electrical control & power circuit ‘aa’ version 2.5 circuit diagrams 9 6 see fan power circuit below see fan power circuit below control mcb l1 mains lamp n 12 v ac 240 v tr an sf o r m e r f1 2.5a f2 1a r1 10 11 7 4 12v 12v p7 p6 hum id it y se n s o r 12v a c 5 remote on/off on/off switch ...

  • Page 21

    Page 19 elec control & power circuit ‘aa’ version continued link if remote control fitted 4 3 compressor contactor see below 9 3 6 9 6 r4 see b e lo w r2 co nt a c t o r 18 7 9 l high low se e abo ve se e abo ve see ab o v e re1 8 fan circuit breaker high speed 2 1 3 5 2 4 6 compressor circuit break...

  • Page 22

    Page 20 electrical control & power circuit ‘aa+lphw’ version 3 isolate low speed fan circuit breaker when remote sensors kit is fitted 'r' letter relay's are 12v 're' letter relay's are 230v 'p' letters are connector block pin numbers notes d25 = 25 way 'd' plug pin numbers d = delay timer 15 = din ...

  • Page 23

    Page 21 elec control & power circuit ‘aa+lphw’ continued link if remote control fitted h see b e lo w re1 9 3 6 9 6 r4 10 11 se e b e l o w r2 co n t a c t o r 2 8 r2 n/c 2 humidity stat' a2 a1 rising out2 out1 timer co m p r e s s o r hp switch lp switch air sensor r/h 0-10vdc supply 12v grnd 0v 8 ...

  • Page 24

    Page 22 2.6 regular planned maintenance operations to be carried out during a regular planned maintenance visit are as follows: 1) replace all belts where fitted. 2) clean or replace filters as applicable. (this action may be required more frequently than regular servicing. 3) check operation and co...

  • Page 25

    Page 23 % 1 power on 2 power off 3 power symbol power lamp indicates presence of 12v electricity supply to the console. 4 fault lamp check that the pool hall air and water flow through the unit are within specified limits. Check m.C.B.’s & pressure switches see note a (also soft start overload if fi...

  • Page 26

    Page 24 = = o ºc 7 air heating lamp indicates that there is a demand for the unit to heat the pool hall air. 8 pool hall symbol 9 manual override symbol 10 pool water occupied (no pool cover) 11 pool water unoccupied symbol (pool covered) the aa 300 with lphw console has the same basic controls as t...

  • Page 27

    Page 25 optional remote sensor box isolate the low speed fan circuit breaker when the remote sensor box is fitted. (marked fan l). Position in electric box shown below. This stops the fan when there is no demand for humidity or air temperature control. Disconnect wires to sensors at electric box ter...

  • Page 28

    Page 26 4.0 data sheet aa300avh(f) for accurate application sizing consult calorex heat pumps ltd boiler not required for aa versions without lphw. Mode b = recovered heat biased to pool hall air r407c global warming potential (gwp) 1700. 1 mm wg = 9.8pa 1 mhd = 1.4psi 1 l/min = 0.22 gall/min model:...

  • Page 29

    Page 27 5.0 dimension drawing al t e r n at ive c o n t r o l co ns o le m o unt in g p o s it io n s co nt ro l c o ns o le co nn e c t e d t o ma c h in e vi a 1 .8 m c a bl e su p p li ed bl a n ki n g pl at e for fr e s h a ir gr ille lp h w co nn e c t io n s 3/ 4 b s p m c o nde ns a t e d r a...

  • Page 30

    Page 28 6.0 warranty conditions the following exclusions apply to the warranty given by calorex heat pumps ltd. No claims will be accepted if :- 1.The heat pump is incorrectly sized for the application. 2.The heat pump is installed in any way that is not in accordance with the current procedures as ...

  • Page 31

    Page 29 email service@calorex.Com web site http://www.Calorex.Com +44 (0)1621 857171 +44 (0)1621 856611 please give model number and serial number of your heat pump when making technical or service enquiries. This will assist in correct diagnosis and ensure service can be provided with the minimum d...

  • Page 32

    Page 30 8.0 refrigeration diagrams ga t e va lv es lph w /b oi ler in val ve m o t o r ised b a ab lphw co il lph w /b o iler ou t f lexi ble ho s e fl e x ib le ho s e ai r bl eed va lv e ai r b leed va lv e lp h w ci rc ui t no t e s 1. D e n o te s in s u la tio n co mp t ev evapor a t o r ph ia ...

  • Page 33

    Page 31 sa607701 item part no. Description quan units 001 sd607501 console box 1.00 off 002 sd607651 console panel 1.00 off 003 sd432451 thermostat humidity 1.00 off 004 sd318650 switch rocker 2 pole 1.00 off 005 sd470350 pilot light red 12v ac 2.00 off 006 sd470352 pilot light yellow 12v ac 2.00 of...

  • Page 34

    Page 32 console assy aa300avhf with lphw fitted sa607702 item part no. Description quan units 001 sd607501 console box 1.00 off 002 sd607651 console panel 1.00 off 003 sd432451 thermostat humidity 1.00 off 004 sd432555 air stat (4 stage) 1.00 off 005 sd151554 time clock 24hr 12v ac 1.00 off 006 sd31...

  • Page 35

    Page 33 display error action e1 or -e1 probe interrupted or short circuit verify correct connection between probe and stat, then verify correct functioning of probe. Eepr internal memory error check and, if necessary reprogramme the parameters function thermostat control parameter setting instructio...

  • Page 36

    Page 34 see next page for fault codes. Setting instructions (thermostats marked tlk31) note : these parameter settings are programmed by the supplier to the figures shown below and should not need altering. 1. To program the set point. Press down p: sp (set point) and current set point value will be...

  • Page 37

    Page 35 error codes aa300avhf with lphw display error action uuuu or oooo probe limit under/over range verify correct connection between probe and stat, then verify correct functioning of probe. Lba loop control interrupted check working of probe and actuator and swap instrument to reg control erep ...

  • Page 38

    Page 36 blank page.

  • Page 39

    Page 37 aa300avh(f) electric box assembly 25 p3 p2 p1 p4 p 5 p6 p7 26 2, wiring diagram d604450 re m o t e o v e rri de sw it c h re m o t e o n /o ff (1 2v ) n l bo il er de m and re m o t e p o w e r in d ic a t er ( 12v ) f 1 2. 5a f 2 1. 0a com p fan h fan l cont a1 a2 12 3 4 5 6 21 22 co m p co...

  • Page 40

    Page 38 assy no a609301 at iss 1 (01/06/2009). Electric box assembly aa300avhf item no. Part no. Description quan units 4 sd316557 miniature circ breaker 16a 1 off 5 sd316552 circuit breaker miniature 6a 1 off 6 sd316551 circuit breaker miniature 4a 1 off 7 sd316550 circuit breaker miniature 2a 1 of...

  • Page 41

    Page 39 2, wiring diagram d604450 25 26 4 5 6 7 8 12 12 14 9 t e r m in al 1 5 20 21 22 21 23 13 27 fl y in g l e a d f r o m fa n 29 t e r m in al 2 2 28 15 16 48 22 23 11 8 10 2 11 22 30 f l y in g le a d f r om ga t e v a lv e p3 p2 p1 p4 p5 p6 p7 r e m o t e o v e r ri de sw it c h r e m o te o ...

  • Page 42

    Page 40 assy no a609302 at iss 1 (01/06/2009). Electric box assembly aa300avh with lphw item no. Part no. Description quan units 4 sd316557 miniature circ breaker 16a 1 off 5 sd316552 circuit breaker miniature 6a 1 off 6 sd316551 circuit breaker miniature 4a 1 off 7 sd316550 circuit breaker miniatur...

  • Page 43

    Page 41 aa300avh(f) main assembly e x cess cab le to be c o il ed to allow ele c tric b o x to be lifted ou t for a ccess t o fa n % 23 21 22 15 14 13 12 10 20 3 53 28 29 22 16 17 18 30 19 71 11 i 24 27 26 25 65 3 2 2.

  • Page 44

    Page 42 assy no a609201 at iss 1 (22/06/2009). Main assembly aa300avh item no. Part no. Description quan units 2 sd557850 service panel 2 off 3 sd557650 top cover 1 off 10 sd595950 filter cover 1 off 11 sd611250 manual o/i 1 off 12 sd596450 cover plate 1 off 13 sa609301 electric box assembly 1 off 1...

  • Page 45

    Page 43 aa300avh(f) with lphw main assembly 10 28 29 30 23 21 22 16 2 17 2 18 19 20 3 53 71 75 76 73 75 76 72 24 2 65 78 2 excess ca ble to be coiled to all o w e lectric box to be lifted ou t for acces s to fan 15 14 13 12 11 i 27 26 25 3 77 74 75 76 77 78 2 ° c = = % = a u to.

  • Page 46

    Page 44 assy no a609202 at iss 1 (22/06/2009). Main assy aa300avh with lphw item no. Part no. Description quan units 2 sd557850 service panel 2 off 3 sd557650 top cover 1 off 10 sd595950 filter cover 1 off 11 sd611250 manual o/i 1 off 12 sd596450 cover plate 1 off 13 sa609302 electric box assembly 1...