GREE NEO18HP230V1A Installationsanleitung PDF herunterladen (Seite 17)

INSTALLATION OF REFRIGERANT PIPING

Step 6

Piping Connections to Outdoor Unit

1. Remove service valve cover (if provided) to

access the service valves and refrigerant ports.

2. Carefully bend and adjust length of refrigerant

pipes to meet outdoor unit service valves

connections with proper tools to avoid kinks.

NOTE: Use proper techniques to cut and re-flare refrigerant pipes, if required.

An R410A Fla

ring Tool is required for re-flaring refrigerant pipes.

3. Apply a small amount of refrigerant oil to the flare connection on the refrigerant pipe.

4. Properly align piping and tighten flare nut using a standard wrench and a torque

wrench as shown in the indoor piping section.

5. Carefully tighten flare nuts to correct torque level referring to the following Torque Table:

NOTE: Over tightening may da

mage flare connections and cause leaks.

Pipe Diameter Nut Size

Tightening Torque

inch (mm) inch (mm) ft-lbs N-m

1/4 (6.35) 1/4 (17) 10 to 13 14 to 18

3/8 (9.5) 3/8 (22) 25 to 30 34 to 42

1/2 (12.7) 1/2 (25) 36 to 45 49 to 61

5/8 (15.9) 5/8 (29) 50 to 60 68 to 82

Torque Table

Service

Valve Cover

INSTALLATION OF POWER AND WIRING

Step 7

Indoor Unit Interconnecting Wire Connections

Disconnect all electrical power to unit including disconnects,

fuses and circuit breakers.

1. Open front cover of indoor unit and remove field wiring terminal block cover.

2. Pull interconnecting wires up from back of indoor unit and position in close to the

terminal block on indoor unit.

NOTE: The indoor unit is powered from the outdoor unit, depending on local code,

a disconnect switch may need to be installed to a power supply circuit.

3. Connect wiring to indoor unit per connection diagram.

NOTE: Record wire colors and terminal references for uses with Outdoor Unit

wire connections.

4. Replace field wiring cover and close front cover of indoor unit.

WARNING

TWD-0813-032 Neo install REV:Layout 1 9/27/13 12:15 PM Page 17

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 23 24

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