CU/CFCU
Condensing Units
4
Condensing Units
Installation & Maintenance Manual : 6259626 IM V1.6.0 04/16
Description
GENERAL
The condensing units comprise a compact housing incorporating all the necessary
components and associated controls required. The compressor and controls are fitted in
the weatherproof end section.
CE DIRECTIVE
Airedale certify that the equipment detailed in this manual conforms with the following
EC Directives:
Electromagnetic Compatibility Directive (EMC)
2014/30/EU
Low Voltage Directive (LVD)
2014/35/EU
Machinery Directive (MD)
89/392/EEC in the version 2006/42/EC
Pressure Equipment Directive (PED)
97/23/EC
Article 13 of 2014/68/EU
To comply with these directives appropriate national & harmonised standards have been
applied. These are listed on the Declaration of Conformity, supplied with each product.
STANDARD FEATURES
FAN & MOTOR UNITS
CU./CUH. 1 - 4
Axial flow fan assembly with low noise sickle type blades.
The external rotor motor allows the use of a low power output single phase speed
controllable motor to power the fan.
The motor has inbuilt thermal overload protection and the assembly is protected against
accidental contact by an integral punched finger guard.
CUS/CUHS 5 - 12
Axial flow fan assembly with low noise paddle type blades and inlet ring.
The external rotor motor allows the use of a low power output single phase speed
controllable motor to power the fan.
The motor has inbuilt thermal overload protection and the assembly is supplied complete
with a finger guard for protection.
CFCUS 5 - 10
Comprises a forward curved centrifugal fan, belt driven by a totally enclosed 3 phase
motor, mounted on a slide base allowing ease of belt tensioning.
COMPRESSORS
CU./CUH. 1 - 1.5
Fully hermetic reciprocating compressor fitted as standard with Internal thermal motor
protection. Compressor(s) are mounted to the base via the use of vibration isolators.
CUS/CUHS 2 - 12 &
CFCU 5 - 10
Hermetic scroll compressors fitted as standard with:
Internal thermal motor protection.
Internal pressure relief valve.
Compressor(s) are mounted to the base via the use of vibration isolators.
Oil type may vary depending upon the refrigerant type, refer to
Technical Data
.
SERVICE VALVES
CU./CUH. 1 - 7.5
Units are provided with suction and liquid line shut-off valves fitted with Schrader
connectors to facilitate connection of a service gauge manifold (except the CUS 5 - 7.5,
which have no Schrader connection on the suction valve).
CUS/CUHS 10 - 12
Units are provided with liquid line shut off valves and rotalock valves fitted in the
suction line.
SAFETY PRESSURE
SWITCHES
Manual reset high and low pressure cut-out switches are fitted in the compressor end
compartment as standard.
