32
7 - General Description (continued)
7.8 Accessories
Water Filter
1-1/2” filter (20-45 units) and 2-1/2” filter (50-190 units) is supplied
loose and has to be mounted by the customer. (both evaporator and
condenser side)
Anti-Vibration Kit
Anti-vibration kit made of special rubber pad is provided together
with the unit.
Water Differential Pressure Switch
Water differential pressure switch is mounted as standard in the unit.
Flow switch kit
Flow switch kit is available as an accessory. It is supplied loose
and as to be mounted by the customer. Connect terminals of the
evaporator flow switch with terminals 4-5 of the electrical box.
Connect terminals of the condenser flow switch with terminals 6-7 of
the electrical box.
Pumps
Min. 100 kPa head pressure pump be mounted as an option both
evaporator and condenser side (sizes 20 to 45).
One or two 100-150 [kPa] head pressure pump can be mounted as
an option (1/2P-SP) both evaporator and condenser side (sizes 50 to
190).
One or two 200-250 [kPa] head pressure pump can be mounted as
an option (1/2P-HP) both evaporator and condenser side (sizes 50
to 190).
Phase Monitor Kit
It is assembled on the unit as a standard.
Airway Packaging
Complete wooden package for units without refrigerant and with
nitrogen precharge. No refrigerant charge is shipped loose with
the unit. The customer has to fill the unit through the apposite
connection.
On/Off Remote Kit
It enables the operator to power on the unit when it is in standby
mode, to display alarms and to switch over cooling – heat pump. The
kit will include a 3 metre long cable for installation on the wall.i.
Sequencer kit - 4 units
It can easily pilot up to 4 units fitted in parallel, 50 metres maximum
apart.
Gauge kit
Gauge kit is available as an option.
Domestic hot water kit
It is provided as an accessory to allow the unit managing the control
of a 3 ways valve, in order to switch water flow from plant to boiler.
A water probe as to be installed remotely inside the boiler in order to
read sanitary hot water temperature.
Connect water probe terminals to terminal AI5 - GND on the electrical
box (refer to Chapt. 4).
Connect 3 ways valve terminals to terminal 93 - 8 of the electrical
box (refer to Chapt. 4).
Domestic hot water integration kit
It is provided as an option/accessory to allow the unit managing the
control of a relais for an electrical heater, in order to integrate the
production of sanitary hot water.
Connect the relais to terminal DO5-12V of the electrical box (refer to
Chapt. 4).
SOURCE
PLANT
WATER
PROBE
DHW
DCW
3 WAYS
VALVE
SOURCE
PLANT
WATER
PROBE
DHW
DCW
3 WAYS
VALVE
ELECTRICAL
HEATER
