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Heat recovery unit with cooling circuit - 

RCF

 -

0208-6180549-rev. 02

24

GB

Controls manual 

General Technical Data

The  unit  must  be  powered  by  an  adequate 
transformer  with  the  following  characteri-
stics:
•   P r i m a r y   v o l t a g e :   2 3 0 V ~ ± 1 0 % ; 
110V~±10%
• Secondary voltage: 12V~
• Supply frequency: 50Hz; 60Hz
• Power:  5VA;

Electromechanical 
and I/O characteristics

Technical characteristics

Typical 

Min. 

Max. 

Supply voltage 

12V~

10V~

14V~

Supply frequency 

50Hz/60Hz 

--- 

--- 

Power 

5VA

--- 

--- 

Insulation class 

1

--- 

--- 

Operating ambient temperature 

25°C

-10°C 

60°C

Operating ambient temperature 

(non-condensing) 

30%

10%

90% 

Storage ambient temperature 

25°C

-20°C 

85°C

Storage ambient humidity 

(non-condensing) 

30%

10%

90% 

120/240 V digital 

outputs

4 relays (5 relays for ERT 215A-215BA) 2A ¼ hp 240V~; 1/8 hp 120V~ 

1 2A Triac (ERT 210-210B) 

Analogue inputs

3 temperature sensors, measuring range -30

C

 90

C;

1  configurable  input:  4...20  mA  transducer  or  temperature  sensor, 

range -30

C

 90

C; 

Digital inputs

5 voltage free 

digital inputs

Terminals and connectors 

1 9-way snap-on high voltage connector AWG 16-28 

1 16-way snap-on high voltage connector, pitch 4.2, AWG 16-28 

1  5-way  p2.5  5-way  connector  with  remote  control  and 

copy  card

programming, AWG 24-30 

1 2/3-way connector 

remote keyboard

 AWG 22-30; 

Display

 and 

LEDs

3  sign; 

5 red 

LEDs

Buttons

2

buttons

Serials 

1 serial 9600 

1 serial 2400 

Dimensions

Front panel 76x34 mm, depth 58 mm 

Casing 

PC+ABS plastic resin with V0 rated fire protection 

Installation

Panel-mounted with drilling template 71x29 mm (+0.2/-0.1 mm) 

DEFROST PARAMETERS TABLE

Par. 

Description

Value

Limits

Unit

Fast Values

Pa d01

Defrost enabled

1

0 ÷1 

Flag 

1

Pa d02  Defrost start temperature/pressure

-30

-500 ÷800 

°C/10 - kPa*10  30

Pa d03

Defrost interval

15

0 ÷255 

Minutes

1

Pa d04  Defrost end temperature/pressure

100

-500 ÷800 

°C/10 - kPa*10  100

Pa d05

Maximum defrost time

9

0 ÷255 

Minutes

5

Pa d06  Compressor - reversing valve wait time

60

0 ÷255 

Seconds

30

Pa d07

Drainage time

60

0 ÷255 

Seconds

30

Pa d08

Temperature at which defrost starts if Pa H49= 1 

100

-50.0 ÷80.0 

°C/10 

8

Pa d09

Temperature at which defrost ends if Pa H49= 1 

150

-500 ÷80.0 

°C/10 

15

Pa d10  Enables defrost compensation

1

0 ÷1 

Flag 

0

Pa d11  Defrost temperature/pressure compensation offset 

-170

-255 ÷255 

°C/10 - kPa*10  20

Pa d12  Defrost temperature/pressure compensation set point

10

-127 ÷127 

°C 

2

Pa d13  Defrost temperature/pressure compensation delta

-220

-25.5 ÷25.5 

°C 

-3

Summary of Contents for RCF Series

Page 1: ...0208 6180549 rev 02 FAST S p A CONTROLS MANUAL GB HEAT RECOVERY UNITS WITH COOLING CIRCUIT RCF SERIES...

Page 2: ......

Page 3: ...ristics 6 Installation of remote panel 6 Wiring of remote panel 7 User interface 7 Men levels 9 Components 10 Functions 11 Diagnostics 13 Parameters setting 16 Parameters 17 Technical characteristics...

Page 4: ...oys Seamless round copper tubes for air conditioning and refrigeration 2 designed manufactured and commercialized in compliance with the following EEC Directive PED safety 97 23 CE Machinery safety 98...

Page 5: ...ly limited through the use of technical protection means and measures G E N E R A L H A Z A R D S I G N A L Carefully adhere to all the indications n e x t t o t h e i c o n Failure to comply with the...

Page 6: ...assword inside the electrical panel remote panel max distance 150m to be connected directly to the unit wiring cable not included Troubleshooting The controls check and mark the fol lowing possible fa...

Page 7: ...onfigured as digi tal inputs with parameters Pa H05 Pa H06 Pa H08 8 digital inputs are therefore available Wiring of remote panel Important Never connect the keyboard when the instrument is on Avoid s...

Page 8: ...r more than 2 seconds you move one level up If the last level of a menu is displayed press the button and release it within two seconds to go up one level In men operating mode it shows the pre vious...

Page 9: ...D d I s r e t e m a r a P r A P d r o w s s a P s s P e u l a V g n i l o o C t e S e u l a V g n i t a e H t e S e u l a V t u p n I e u g o l a n A s u t a t S t u p n I l a t i g i D x e d n I r e...

Page 10: ...and start up of the same com pressor compressor on off safety time con trolled by parameter Pa C01 This parameter also applies to when the device is started up ON OFF Pa C01 Pa C02 Time COMPR Pa C01...

Page 11: ...cooling and freeheating are used to cool or heat the internal environment using outdoor air The external air enters the environment through a damper that mixes it with the recirculated air from insi d...

Page 12: ...e compressor is ON the control starts the defrost coun tdown 1 min countdown When 1 min pas sed the control device starts the defrosting process At this point Pad06 compressor valve time delay 30 sec...

Page 13: ...rms are sampled every 225 seconds Example if the number of events is set to 3 the duration of the alarm must last between 2 225 seconds and 3 225 seconds for the alarm to be switched from automatic to...

Page 14: ...OFF ON Automatically reset unless alarm events per hour reaches the value of parameter Pa A08 after which it is manually reset Not active when Pa A07 time is counted after a compressor is turned on E0...

Page 15: ...d as worn filters see digital inputs remains inactive for a period of time equal to Pa A05 Not active when the Pa A03 time is counted after fan is turned on OFF OFF3 Reset is carried out automatically...

Page 16: ...e contact is open The ID4 is configured as active when the contact is closed The ID5 input is configured as active when the contact is closed Relay 1 is connected to the compressor Relay 2 is connecte...

Page 17: ...ermal switch 2 Worn filters 3 Remote Heating Cooling 4 Remote ON OFF 5 Thermal switch compressor 2 6 Request for second compressor capa city step 7 damper opening Pa H22 Configuration of output NO2 0...

Page 18: ...a A01 Low pressure pressure switch by pass time Determines the delay between starting up the compressor and starting up the low pres sure digital alarm diagnostics It is expressed in seconds Pa A02 Nu...

Page 19: ...eating mode 3 continuous operating of fan in cooling mode on request in heating mode 4 continuous operating of fan in heating mode on request in cooling mode Pa P02 Delay between fan ON and com presso...

Page 20: ...if Pa H49 1 la temperatura al di sotto la quale viene avviato il ciclo di sbrinamento Pa d09 Temperature at which defrost ends if Pa H49 1 Temperature above which the defrost cycle is ended Pa d10 En...

Page 21: ...Enables dynamic set point 1 0 1 Flag 0 Pa H32 Dynamic set point off set in cooling mode 50 12 7 12 7 C 1 0 Pa H33 Dynamic set point off set in heating mode 0 12 7 12 7 C 1 0 Pa H34 Outdoor temperatur...

Page 22: ...Pa C02 ON ON safety time 36 0 255 Seconds 10 20 Pa C03 Temperature control hysteresis in cooling mode 15 0 25 5 C 2 Pa C04 Temperature control hysteresis in heating mode 15 0 25 5 C 1 5 Pa C05 Regula...

Page 23: ...eed in heating mode 100 0 100 80 Pa F17 Minimum fan speed temperature pressure set point in heating mode 100 500 800 C 10 kPa 10 180 Pa F18 Proportional band in heating mode 100 0 255 C 10 kPa 10 40 P...

Page 24: ...2 AWG 16 28 1 5 way p2 5 5 way connector with remote control and copy card programming AWG 24 30 1 2 3 way connector remote keyboard AWG 22 30 Display and LEDs 3 digits sign 5 red LEDs Buttons 2 butt...

Page 25: ...ntegrated In terms of automatic operating featu res as a type 1 action control device with reference to manufacturing tolerances and drifts As a class 2 device in relation to protec tion against elect...

Page 26: ...NOTES...

Page 27: ...ht to introduce at any time whatever modifications deemed necessary to the improvement of the product FAST S p A TRATTAMENTO DELL ARIA 35044 Montagnana PD Italy Via Luppia Alberi 170 Tel 39 0429 80631...

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