Technibel CHGV 64 Technical Instructions page 9

10.2 - HP AND LP PRESSURE GAUGES
• The accessory includes 1 set of 2 pressure gauges (HP and LP). Two per apparatus must be ordered.
• Code 70970007.
• These elements, mounted on the vertical members of the unit's front face, display the high and low pressure values for the
refrigeration circuit.
10.3 - REMOTE CONTROL
• Code 70250057.
• Enables reporting of the controller's display keypad functions up to a distance of 100
meters.
10.4 - SERIAL COMMUNICATIONS INTERFACE RS 485 (MODBUS
PROTOCOL)
• Code 70250056.
• Interface module installed inside the unit's electrical box.
• MODBUS protocol. Please consult us for details concerning the protocol and addressing of data.
10.5 - 300-LITRE BUFFER TANK
• Code 70600120: model without supplementary heating with 800 W anti-freeze resistance (single-phase 230 VAC),
• Designed to be installed either underneath the unit, or separately.
For installation underneath the unit, the tank is supplied with mounting brackets and an insulated tube for connection
between the unit's water outlet and the tank's water inlet.
Composition:
5
1
2
3
4 6
Mark
1 Sheetmetal buffer tank - polyurethane insulation
2 800 W anti-freeze resistance
3 Fill valve
4 Drain valve
5 Purge
6 Safety valve (5 bar)
Galvanized steel chassis, painted RAL 7035
Anti-freeze resistance:
• Immersion heater mounted on the tank.
• Power: 800 W, single-phase 230 VAC.
• With limiting thermostat.
• The power supply and heating element control are to be done separately at the time of installation (not supplied).
Pressure losses in 300-litre tank:
Kp a
16
14
12
10
8
6
4
2
0
7 8 9
Water inlet (Male 1"1/2)
Output m
10 11 12 13 14
Water outlet (Male 1"1/2)
7 0 6 0 0 1 2 0
without heating
•
•
•
•
•
•
•
3 /h
9