Atlantic WOYG112LHT, Installation And Commissioning Instructions

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3 .3 Check and connecting
"
The refrigerant circuit is very sensitive
to dust and humidity: check that the area
around the connection is clean and dry before
removing the plugs protecting the refrigerant
connectors .
"
Indicative blowing value: 6 bar during 30
seconds minimum for connection of 20 m .
"Gas" connection control (large diameter) .

Connect the "Gas" connection to the outdoor unit.
Blow dry nitrogen into the "Gas" connection and observe
this end:
- If water or impurities emerge, use a new refrigerant
connection

Otherwise, perform the flare and connect immediately
the refrigerant connection to the hydraulic unit.
"Liquid" connection control (small diameter) .

Connect the "Liquid" connection to the outdoor unit.
Blow dry nitrogen into "Gas" connection – condensor
- "Liquid" connection assembly and Observe this end
(Outdoor unit side).
- If water or impurities emerge, use a new refrigerant
connection
- Otherwise, perform the flare and connect immediately
the refrigerant connection to the outdoor unit.
Remarks :
"
Take particular care positioning the tube opposite
its connector so as not to risk damaging the
threads. A carefully aligned connector can be fitted
easily by hand without much force being required.
- Comply with the indicated tightening torques.
figure 24 - Tightening torques
Designation Tightening torque
Flare nut 6.35 mm (1/4") 14 to 18 Nm.
Flare nut 9.52 mm (3/8") 33 to 42 Nm.
Flare nut 12.7 mm (1/2") 50 to 62 Nm.
Flare nut 15.88 mm (5/8") 63 to 77 Nm.
Plug (A) 3/8", 1/4" 20 to 25 Nm.
Plug (A) 1/2" 25 to 30 Nm.
Plug (A) 5/8" 30 to 35 Nm.
Plug (B) 3/8", 5/8" 10 to 12 Nm.
Plug (B) 1/2", 1/4" 12.5 to 16 Nm.
Spanner
Torque wrench
figure 25 - Refrigerant connections check
Nitrogen
Nitrogen
Nitrogen
"Gas"
connection
"Gas"
connection
"Gas"
"Liquid"
connection
Installation and commissioning instructions "1485 - EN"
Heat pump alféa hybrid duo gas
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