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COSTAN TECHNICAL DOCUMENTATION
REVISION STATUS
TRUE COPY
PAGE 12 OF 8
PRODUCT:
EPTAGLOO
ORD
DATE
CHANGE ORDER
OF THE SIGNED
DATE OF 1st ISSUE
DOC. no.
QSM0000406A
CHAP.
No.:
050
A
23.Feb.2010
RANGE
EXTENSION
ORIGINAL
13/June/07
CHAPTER:
ELECTRICAL PANEL
TECHNICAL SPECS
ISSUED BY MKT
12.4.1 the contacts in the alarm terminal strip for remote-transmission must be cold (clean)
12.4.2
Do not lead voltage above 50V to the alarm terminal strip
.
12.5
Terminal strip 3 (fast-connection): Connection of regulation box:
top left/horizontal.
12.5.1 to replace the regulation box remove the clamp connectors (ensure that the electrical
panel is off) and unscrew the box-fastening bolts.
13.Wiring.
13.1 Wiring as per reference EN-IEC standards.
13.2 All wires are flame-proof type.
13.3 The electrical panel was designed for an estimated internal temperature of 50°C.
14. Earthing connections.
14.1 The bottom plate, door and all other metal parts are connected to the earthing system.
14.2 Each terminal strip is fitted with two adequate-diameter copper bars for earthing connection.
14.3 To connect mechanisms to the earthing system on-site (condenser fans, machine-room
expeller etc..) use the earthing bar under the vertical terminal strip.
15. Warning lamps
15.1 Warning lamps are diameter d=22, ingress protection rating IP65.
15.2 Bulbs are 230V neon-type.
15.3 Warning lamp color: alarm = red
On = white
15.4 each lamp is marked as in the wiring diagram; a plate with the inscription indicating the
relevant function is at the top front.
15.6
Detail of warning lamps
Type
color
I.D.
name
function
On/status white
H230 Voltage
The auxiliary circuit is hot.
This warning lamp must be ON at all times.
Alarm
red
HLP Low
Low-pressure alarm on the general circuit.
pressure
The entire system is shut down.
Alarm
red
HHP High
High-pressure alarm on the general circuit
pressure
Pressure switches KP7B / KP7S have tripped.
Alarm
red
HLL Liquid
Low refrigerant liquid level in the circuit.
level
Alarm
red
H3
Back-up
Electromechanical back-up control following
regulation
failure of electronic control.
Alarm red
HAC Compressors
General compressor alarm due to the tripping
of: overcurrent device, thermistor probes
(Kriwan), compressor high-pressure switch,
oil-level pressure switch or detector.
Alarm
red
HEC Controller
On the controller box front.
To be used in case the controller has an
external alarm signaling contact. Is actuated in
the event of controller alarm of any kind.
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