Carrier 30AJ, Инструкция по установке, эксплуатации и обслуживанию

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6.5 Suggested electric connection
CONTROL UNIT
UC4230
Transformer
Select freezing
temperature
Open: 2°C
Closed: -7°C
Turn on/turn off
remote
Open: Turn off
Closed: Turn on
Control select
Open: Local
Closed: Remote
Sensor
temperature
water return
Sensor
temperature
water exit
Pressure
switch
high low
Compressor
contact
Valve solenoid
CONTROL FRONT
On
Compressor
Anti recycle
Freezing
Pressure
switch
Button on
Button off
Habilitation
7. Operation
7.1 First check
Before starting-up the unit, check the prior conditions and
the following items:
a) Check the installation and operation of all the auxiliary
equipments, such as condensers and evaporators.
b) See if all the electrical connections are set.
c) Check if there is no refrigerant or water leaks.
d) Check if the power supply is proper for the electrical
characteristics of the unit (U= 10% nominal value).
e) Be sure the compressor can freely move in all directions
on the buffers (loosen the fastening screws of the
compressors).
f) Check if the direction of the fans is correct.
g) Check if the operating direction of the compressor
is correct.