Description And Operation; Description Of The Product; Functional Description - salmson CONTROL BOX CE+ Instalación E Instrucciones De Puesta En Marcha

ENGLISH

6. DESCRIPTION AND OPERATION

6.1 Description of the product

Inside - FIG. 1a, 1b, 1c, 1d, 1e
1 MAIN switch with power supply connection terminals (control
box with thermal relay connection on terminals X0: FIG. 4b).
2 Safety transformer 230-400V / 24V.
3 Magnetic circuit-breaker (control box with thermal relay: Fuses).
4 Contactor with motor connection terminals (control box with
thermal relay connection on terminals X1: FIG. 4b).
5 High pressure potentiometer: it allows to set the high pressure
detection limit.
6 Low pressure potentiometer: it allows to set the low pressure
detection limit.
7 Current protection potentiometer: it allows to set the over cur-
rent protection limit of the motors.
8 Terminal blocks for connection of external devices (pressure
transmitter, float switch, fault relay, remote control).
9 Voltage selector switch: it allows to select the supply of the trans-
former according to the supply voltage (230V or 400V).
10 Primary protection fuses of the transformer:
• 2 Fuses 6.3 x 32mm 0.3A 500V with 20kA peak current for control
box fitted with a 35VA transformer.
• 2 Fuses 6.3 x 32mm 0.5A 500V with 20kA peak current for control
box fitted with a 45VA transformer.
11 Secondary protection fuses of the transformer:
• 2 Fuses 5 x 20mm 2A 250V.
12 Potentiometer time delay: it allows to set the stop delay of the
pumps.
13 Potentiometer to select pressure transmitter range: it allows to
select transmitter range.
On front side - FIG. 2
1 Led power ON
2 Led dry-running
3 Display 3 x 7 segments
4 Led pump ON (one per pump)
5. Led pump fault (one per pump)
6 3-position rotary switch (one per pump) : Hand – 0 (reset) – Auto
Inside the cover (1 & 2 pumps control box) FIG. 3
1 Control electronic unit: it manages the input and output signals
to ensure the operation and safety of the pumps.
2 Potentiometer time delay: it allows to set the stop delay of the
pumps.
3 Potentiometer to select pressure transmitter range: it allows to
select transmitter range.
4 Dipswitch run-test: it allows to activate or deactivate the run test
function.
5 Dipswitch remote control: this dipswitch must be in position REM.
Inside the cover (3 & 4 pumps control box) - FIG. 3
1 Control electronic unit: it manages the input and output signals
to ensure the operation and safety of the pumps.
4 Dipswitch run-test: it allows to activate or deactivate the run test
function.
5 Dipswitch remote control: this dipswitch must be in position REM.

6.2 Functional description

6.2.1 Operating
- An electronic pressure sensor supplies the real value of the system
pressure thanks a current signal 4-20mA.
- If the output pressure by the booster is lower than the setting pres-
sure defined by the potentiometer "low pressure setting ", the base
load pump starts after 1 second.
- If the pressure remains lower than the low pressure, the peak load
pumps start one after the other after 1 second delay.
- If the output pressure of the booster is higher than the setting pres-
sure defined by the potentiometer "high pressure setting", the peak
load pumps are stopped one after the other at the end of the
delay between 3 and 30 seconds, delay relating to the base load
pump delay.
- The base load pump stops when the peak load pumps are
stopped and when the pressure remains higher than the high
pressure during the base load pump delay set between 5 and 180
seconds.
- When the pressure is between both pressures preset (high and low
pressure), the pumps remain in their operating mode.
Delay
- Base load pump delay: 5 to 180s can be set
- Peak load pump delay: 3 to 30s related to the base load pump
delay.
Base load
5 20
delay
Peak load
3 5
delay
Pump change
To get the same using and operating time of all the pumps, a pump
cycling for the starting order is defined after each stop of the main
pump.
Operating mode
A 3-position rotary switch on the front part (FIG. 2, pos. 6) allows to
select 3 operating modes per pump.
Position OFF and reset:
- The pump is OFF, this position allows the reset of the pump alarms.
The reset can be a general or individual reset according to the
type of fault.
- For any fault on a line of pump, the reset will be operative as soon
as the switch is positioned on 0-reset.
- In case of a general fault (Err-Prs, Err-Sen) the reset will be opera-
tive when all the switches of all the pump lines will be positioned
on 0-reset.
Position HAND:
- The pump is operating in continuous mode for a limited time-peri-
od of 15 seconds. After this period the pump stops. It is then
required to switch back to the position OFF and again to HAND to
start the pump again in continuous operating mode. the magnet-
ic, thermal and lack of water protections remain operative in this
mode, other protections are deactivated.
Position AUTO:
- All control functions of the booster are operative.
Missing phase
The booster is protected if one or more network phases are missing:
- activation of the fault signal and all the leds pump fault.
- hand reset of the fault by positioning all switches on 0 – reset.
Magnetic fault (except for control box with thermal relay)
A magnetic circuit breaker protect motor and power cable's
against short-circuit. On this fault type, the electronic switches
directly on another available pump:
- Activation of the fault signal and led pump fault.
- Hand reset of the fault (rotary switch on position 0 - reset).
For control box with thermal relay
The protection of motor and power cable against short-circuit is
ensured by fuses.
Over current fault
For control box with current sensor
The protection against motor overload is operating by the current
measurement in one phase.
When this current is higher than current protection setting, the elec-
tronic stop the pump in fault and switches directly on another avail-
able pump:
15
40 60 80 100 120 140 160 180
8 11 11 18 21 24 27 30