McQuay 5CKWS 10CR, Руководство по установке, Страница: 14 / 96

1-10
INDICATOR LIGHTS
Remote Control
When there is infrared remote control operating signal, the signal receiver on fan coil unit will made a <beep> for signal
acceptance confirmation.
FAULTY INDICATION
LED
ACTION
POWER SLEEP HEAT
Room Sensor Missing Blinks 4 times with 1 second interval follow
– –
by 3 seconds interval
Fan Coil Unit Sensor Missing Blinks 4 times with 1 second interval follow Blinks with 1
–
by 3 seconds interval second interval
Compressor Overload Blinks with 1 second interval – –
Gas Leak Blinks 3 times with 1 second interval follow
– –
Call Your
by 3 seconds interval Dealer
Pump Fault Blinks 2 times with 1 second interval follow
– –
by 3 seconds interval
Water Source Heat Pump Unit Blinks 4 times with 1 second interval follow
– –
Water Sensor Missing by 3 seconds interval
Water Source Heat Pump Unit Blinks 5 times with 1 second interval follow
– –
Water Fault by 3 seconds interval
Open
Open
Suction
Valve
Discharge Valve
Fan Coil Unit
Water Source
Heat Pump Unit
Liquid side
Gas side
Check
Valve
Close
Hi
Low
Charge operation
This operation must be done by using a gas cylinder and a
precise weighing machine. The additional charge is topped-
up into the water source heat pump unit using the suction
valve via the service port.
•
Remove the service port cap.
• Connect the low pressure side of the charging gauge to
the suction service port center of the cylinder tank and
close the high pressure side of the gauge. Purge the air
from the service hose.
• Start the air conditioner unit.
• Open the gas cylinder and low pressure charging valve.
• When the required refrigerant quantity is pumped into
the unit, close the low pressure side and the gas cylinder
valve.
• Disconnect the service hose from service port. Put back
the service port cap.