York HTCA Installation Manual download pdf (Page 11)

ENGLISH

To this eect, when the piping has been evacuated, close the pressure gauge tap, note the value on the gauge, then

wait for 15 minutes. If the needle moves, there is a leak in the system. Make the necessary adjustments or repairs

and repeat this procedure until the needle no longer moves.

- Open the service valves and top up the refrigerant charge if necessary.

Insualation

Minimum thickness 6 mm

Heat pump

Liquid

Cooling

Heat pump

(discharge)

Cooling

(suction)

Heat pump

(discharge)

Heat pump

This unit is shipped complete with a charge of R-22

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length of 7 meters.

Liquid

Cooling

GAS

Cooling

(suction)

Low pressure

High pressure

Manifold

Gas valve

Liquid valve

Pressure tap

Outdoor Unit

Indoor Unit

Gas Line

Liquid Line

R-22

• Outdoor heat pump unit: install the unit at least 10 cm above ground level to facilitate drainage of defrost water and

prevent accumulation of ice. In eect, defrost water can cause accumulation of ice under the unit during subfreezing

outdoor temperatures.

• In areas with heavy snowfall it is best to install the unit on wall supports.

• In some regions. It is necessary to heat the bottom of the condensate drainage pan and the condensate drainage pip -

ing to avoid ice formation, and resulting ice build-up in the fan compartment (heater strip must be at least 25 W/m).

COLD AREA RECOMMENDATION

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York HTCA Installation Manual Page 11

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