Fast RCF Series, Руководство пользователя

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Heat recovery unit with cooling circuit - RCF -
0208-6180549-rev. 02
18
GB
Controls manual
• relay ON in cooling mode
• relay ON in heating mode
Pa H39 Offset AI1
Pa H40 Offset AI2
Pa H41 Offset AI3
This parameter can be used to compensate
for the error that may occur between the
temperature (or pressure) reading and the
actual value.
Pa H42 Offset AI4
These parameters can be used to compensa-
te for the error that may occur between the
temperature reading and the actual tempe-
rature.
Pa H43 Mains frequency
• 0= Mains frequency: 50 Hz
• 1= Mains frequency: 60 Hz
Pa H44 Family serial address
Pa H45 Device serial address
Used to select the serial address. Both nor-
mally set to 0.
Pa H46 User password
Can be used to enter the password required
to access second level parameters.
Pa H47 Copy card write password
The password that must be entered to copy
parameters to the copy card.
Pa H48 Number of compressors per circuit
• 1= 1 Compressor
• 2= 2 Compressors (or 2 steps)
Pa H49 Enable pressure/temperature based
operating
• 0=parameters Pa H07=0 (probe AI3
absent), Pa F01 = 3 (operation in response to
request from compressor) are forced.
• 1=temperature-based operating, parame-
ters Pa H07, Pa F01 are forced to: Pa H07=
1 (AI3 temperature probe), Pa F01= 3 (opera-
ting in response to request from compressor).
• 2=pressure-based operating, parameters Pa
H07, Pa F01 are forced to: Pa H07= 2 (AI3
probe operation based on pressure), F01= 0
(proportional operating).
• = 3 no constraints are set on parameters
Pa H50 Compressor start-up sequence
0=compressors start according to operating
hours (balancing of operating hours)
1=compressor 1 is started first and then com-
pressor (or capacity step) 2 (fixed sequence).
Pa H51 Compressor 2 or capacity step pola-
rity
• 0= relay ON if compressor 2/capacity step
ON
• 1= relay ON if compressor 2/capacity step
OFF
Pa H52 Selection of degrees °C or °F
• 0= degrees °C
• 1= degrees °F
Pa H53 Display of air/air machine SET
POINT
For a simpler user interface in air-air ver-
sions, by setting parameter Pa H53 = 1 the
set point for the mode selected is displayed
normally
Pa H54 Customer code 1
This is a number ranging from 0 to 999 that
the user can assign for internal use.
Pa H55 Customer code 2
This is a number ranging from 0 to 999 that
the user can assign for internal use.
Pa H56 Polarity of alarm relay
• 0 = output is active (contact closed) when
there is an alarm
• 1 = the contact is open with the same
conditions
Pa H57 Enable alarm relay in off position
• 0 = inactive alarm output in OFF or stand-
by mode or remote off
• 1 = active alarm output in OFF or stand-
by mode or remote off
Pa H58 Enables change-over from keyboard
in hysteresis of analogue change-over
• 0 = change-over is not possible in hyste-
resis
• 1 = change-over is possible in hysteresis
Alarm parameters
Pa 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 Number of low pressure events per
hour
Used to set the number of low pressure
digital alarm events per hour. If exceeded,
the system will switch from automatic reset
to manual reset.
Pa A03 Bypass time for worn filters activa-
ted by evaporator fan
Used to set a delay in triggering off the worn
filter digital alarm activated by the evapora-
tor fan. It is expressed in seconds
Pa A04 Duration of active worn filters
input
Used to set a period of time during which
the worn filter digital input must remain
active. When this period has elapsed, the
alarm is generated. The timer starts after the
worn filters by-pass time. It is expressed in
seconds.
Pa A05 Duration of inactive worn filters
input
Used to set a period of time during which
the worn filter digital input must remain
inactive. When this period has elapsed,
the alarm is deactivated. It is expressed in
seconds.
Pa A06 Number of worn filter events per
hour
Used to set the number of worn filter digi-
tal alarm events per hour. If the number
is exceeded, the alarm is switched from
automatic to manual reset. If the alarm is in
manual reset mode, the fan is shut down.
Pa A07 By-pass time for compressor ther-
mal switch activated by compressor
Used to set a delay for triggering the com-
pressor thermal switch alarm activated by
the compressor. It is expressed in seconds
Pa A08 Number of compressor 1 and 2
thermal switch alarm events per hour
Used to set the number of compressor ther-
mal switch alarm events per hour. If the
number is exceeded, the alarm is switched
from automatic to manual reset.
Pa A09 Number of condensing fan thermal
switch events per hour
Used to set the number of fan thermal
switch alarm events per hour. If the number
is exceeded, the alarm is switched from
automatic to manual reset.
Pa A10 Anti-freeze alarm by-pass time
Determines the delay between turning on
the machine and activation of the anti-
freeze alarm; it is enabled only in heating
mode. It is expressed in minutes.
Pa A11 Anti-freeze alarm set point
Used to set the temperature below which
the anti-freeze alarm is triggered.
Pa A12 Anti-freeze alarm differential
Used to set the anti-freeze alarm differen-
tial.
Pa A13 Number of anti-freeze alarm events
per hour
Used to set the number of anti-freeze alarm
events per hour. If the number is exceeded,
the alarm is switched from automatic to
manual reset.
Pa A14 Enable minimum alarm during
defrosting
Enables the minimum alarm during defro-
sting. If 0 the minimum alarm is disabled
during defrosting.
Pa A15 Over-temperature set point
Sets the temperature value AI1. If exceeded,
the over-temperature alarm E46 is triggered.
Pa A16 Over-temperature ON duration
Determines the duration of the condition
AI1>A25. If exceeded, alarm E46 is trigge-
red.