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27
Aermec cod. INRLLSIY 13_01. 4086991_00
NRL 800 - 1800
GB
ELECTRONIC CONTROL (
pCO5)
START-UP
CIRCULATING PUMP
1. Turn the unit on (ON)
2. Start Pump
3.
Control water fl ow rate (20 seconds):
Flow switch or pressure switch (if provided)
4.
Whenever alarms do not occur, the compressor
starts.
ANTI-FREEZE ALARM
Reference parameters:
Compressor
BLOCK - OFF
ON
Temperature
3°C <
> 3°C
Max operati ons
n° 2
-
Cod. Anti -freeze alarm
See User Manual
Restart
Manual
Electi cal Heater
OFF
ON
Temperature
> 5°C
4°C <
Circulati ng Pump
OFF
ON
Temperature
> 5°C
4°C <
Only for pure water (not added with glycol)
WATER FLOW ALARM
If the water fl ow rate is not suffi cient, this safety stops
the compressors and the pump
Water
Pump
BLOCCO - OFF
ON
Flow Switch
or
Pressure Switch (if provided)
Water fl ow rate
is not suffi cient
>20 seconds
-
Compressor not work
Cod. Alarm
See User Manual
-
Water fl ow rate
is suffi cient
-
>20 seconds
Start Compressor
Versions with Total Recovery and Condensing
Units are equipped with GR3 electronics
(standard remote panel)
All the other versions have pCO5 electronics
(remote panel available as accessory)
I/ O
set
prog.
max 50 m
cavo telefonico
0,
8
m
200 m
S90
CO
N
N
Cavo schermato
AWG24
2 twisted pair
6 5 4 3 2 1 0
6 5 4 3 2 1 0
I/ O
set
prog.
6 5 4 3 2 1 0
200 m
Cavo schermato
AWG24
2 twisted pair
Cavo telefonico
KIT PGD1
(ACCESSORIO)
Scheda seriale
RS485P1
(ACCESSORIO)
S90CONN*:
cavo di collegamento
Cavo telefonico
External Alarm
J15 - N08/C8/NC8
Circulati ng Pump
J12 - N01 (CP01)
Remote Control
(PGD1)
Circulati ng Pump
J22 - N018 (CP02)
External Circuit Breaker
J20 - IDC17 (0/1)
For more informati on, refer to the wiring diagrams in the selecti on program or site www.aermec.com
• The address to enable
remote panel is 31
AUXILIARY CONNECTIONS
(
For Standard Version)