Page 683 - General Catalogue

INTRODUCTION

CM Series

Multi compressor condensing

unit with semi hermetic
compressors AIR PURIFIER

General features:

› Capacity for MT cooling: 48 kW to 150 kW
› Capacity for LT cooling: 20 kW to 85 kW HEATING
› Ambient temperature range : - 25°C - +43°C
› R134A a, R 449A, R448A, R452A R407F
› Reciprocating semi hermetic compressors: Bitzer, Dorin,
Frascold, Copeland stream
Other types, brands and capacities are possible on request SPLIT
› Conditions:
MT: Ambient temperature: 35°C Evp. Temperature: -10°C
LT: Ambient temperature: 35°C Evp. Temperature: -35°C CM Semi hermetic

General description:
SKY AIR
Basic Frame Version:
Basic frame made from folded and painted steel The refrigeration system is fitted with:
sheet, screwed with bolts to make a basic structure to
fix the components on it. › General high pressure switch, adjustable and
autoresetting
Basic Refrigerating System: › General low pressure switch, adjustable and VRV
The compressors (3 or 4) are connected in parallel, autoresetting
with only one suction and discharge header. Each › Oil pressure switch for each compressor
compressor is fitted with shut-off valves on suction › Emergency low pressure switch, adjustable and
line and discharge line. autoresetting
The compressors are fixed to the frame through › Low pressure switches for each compressor
rubber anti-vibration supports. emergency, adjustable and autoresetting VENTILATION & BID- DLE AIR CURTAINS
Compressors used for low temperature are complete › Electronic speed regulator for condenser fan with
with fan heads. pressure probe for three phase fans and with
The oil equalization system is composed of an temperature probe for mono phase fans + bypass
oil separator and an equalization header, which › Low pressure probe, placed on suction header for
are mounted on the compressor oil sight glass capacity control
connection. › High pressure gauge MARINE TYPES
According to the number of compressors fitted, there › Low pressure gauge
is one or two oil level indicator/s, fitted onto the
equalization header.
The refrigerating system is equipped with liquid
receivers, if there is more than one receiver, the
installation is made in parallel with a safety valve, a CHILLERS
dehydration cartridge filter, interchangeable, liquid Electrical panel:
level alarm, liquid sight glass and shut-off valves.
On suction line there is a mechanical cartridge filter, Standard power distribution
interchangeable. Disconnecting switch
Compressors protection, with overload cut-out motor
protector; fuses for fans protection, thermal contacts FAN COIL UNITS
for each single fan
Auxiliary circuit 230 volt through transformer
400V/230V
Electronic card XC440C
IP55 with grid and ventilation fan
On the door there is the electronic card and 4 lamps: AIR HANDLING UNITS
emergency (button + lamp), fans block, high pressure
switch block, low pressure switch block, and selector
for on/off compressors
REFRIGERATION

CONTROL SYSTEMS

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