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SCOH 070 22 E1
Technical specifications
Mechanical specifications
Compressor
Vertical hermetic alternative type, mounted on antivibratory
supports, specially designed for heat pump units with oversiz-
ing of mechanical components and low consumption motor.
The SCOH-070K, 076K, 090K and 120K units have one
compressor, while the SCOH-150K, 180K, 240K and 300K
units have two compressors.
Supplied with a charge of special oil so as to avoid foaming.
With oil electric heater.
Compressor heater
Keeps the sump oil hot for easy start-up and avoiding oil
being dragged out of the compressor.
Suction accumulator
Fitted in the suction tubing of the compressor, it protects same
from slugging by avoiding oil leaving the compressor.
Coils
Of a large surface, made of grooved copper tubing and alu-
minium fins. Located inside the cabinet, and thus protected
against damage during transportation or installation.
Indoor fan (SICH-070 and 076B)
A centrifugal fan driven by an independent motor and belt
drive is installed.
Indoor fan (SICH-090, 120, 150, 180, 240 and 300B) and
outdoor fan (SCOH-070, 076, 090 and 120K)
Two centrifugal fans with a common shaft and belt drive,
driven by one single motor and coupled to the single plenum,
are installed.
Outdoor fan (SCOH-150, 180, 240 and 300K)
Two independent centrifugal fans are installed. Each one of
these is driven by an independent motor and coupled to the
single plenum.
Transmission from the motor to the fan is by belt drive.
These fans have sufficient available pressure for the instal-
lation of ducts and optional accessories.
Cooling circuit
Made of welded copper tubing and equipped with access
connections on the high and low pressure sides.
Refrigerant
The SCOH and SICH units are supplied with connections
ready for welding. The refrigerant load should be carried out
completely on job site. See refrigerant loads in physical data
table. The refrigerant used is R-407C.
Electric panel
Accesible directly from the outside. Includes connecting strip,
protectors, electronic board and probes, power supply con-
tactors, operating relay, phase control relay and transformer.
In compliance with European regulations currently in force.
Phase control relay
The electric panel of the unit introduces a sequence and
phase failure detector. In the case of detecting a phase
sequence other than R-S-T, or a phase fails once the unit is
in operation, this detector, by means of an internal volt-free
Nominal capacity:
Cooling
Heating
070K = 18 600 W - 19 000 W
076K = 21 000 W - 22 300 W
090K = 30 000 W - 33 500 W
120K = 33 100 W - 34 400 W
150K = 40 000 W - 44 000 W
180K = 54 000 W - 56 000 W
240K = 74 000 W - 70 000 W
300K = 89 000 W - 91 000 W
Vertical air-air heat pump
with centrifugal fans
Voltage:
22 = 230.3.50
38 = 400.3.50
Edition
General information
General description
The SCOH/SICH heat pump models are air-air units with cen-
trifugal fans both in the indoor as well as the outdoor units.
The SCOH outdoor unit includes compressor, condensing
unit, centrifugal fan and controls. The SICH indoor units in-
clude evaporating coil, filter and fan. If necessary, they can
be easily modified on job site so as to have a compact unit.
The outdoor unit can be installed either outdoors or indoors,
as it is protected to withstand outdoor conditions, while the
fans are of the centrifugal type and can accept ducts.
Supplied complete, factory tested and ready for installation
of either interior or duct electric heaters accessories.
Designed to achieve considerable savings in energy and a
long service life.
Start-up and automatic regulation of the temperature is car-
ried out by means of a 24-volt ambient thermostat.
Nomenclature
Summary of Contents for SCOH-070K
Page 7: ...SCOH 090 and 120K General dimensions mm...
Page 8: ...SCOH 150K General dimensions mm...
Page 9: ...SCOH 180K General dimensions mm...
Page 10: ...10 SCOH 240 and 300K General dimensions mm...
Page 11: ...11 SICH 070 and 076B SICH 090 and 120B SICH 150B General dimensions mm...
Page 12: ...12 SICH 180B SICH 240B and 300B General dimensions mm...
Page 14: ...14 Variant chart...
Page 23: ...23 Wiring diagram SCOH 070K 076K 090K and 120K 400 3 50...
Page 24: ...24 Wiring diagram SCOH 120K 180K 240K and 300K 400 3 50...
Page 25: ...25 Wiring diagram SCOH 150K 180K 240K and 300K 400 3 50...
Page 26: ...26 Configuration of switches failures lock outs and incidents...
Page 30: ...30 Assembly and general dimensions mm SICH 240B to 300B...
Page 33: ...33 Wiring diagram Heater 10 15kW 400 3 50 SICH 070 to 180B...
Page 34: ...34 Wiring diagram Heater 20 30kW 400 3 50 SICH 090 to 300B...
Page 37: ...37 Location of the heater SICH 070 and 076B...
Page 38: ...38 Location of the heater SICH 090 to 300B...
Page 39: ...39 Wiring diagram Heater 10 15kW 400 3 50 SICH 070 and 076B...
Page 40: ...40 Wiring diagram Heater 20 30kW 400 3 50 SICH 090 to 300B...
Page 48: ...www johnsoncontrols com...