Haier AC122ACERA [176/408] Installation

Air discharging fan

Improper example

There may be water drop on the outside of duct. For cement and other new constructions, even

if not taking ceiling inner side as duct, the humidity will also be so high. At this time, use glass fiber

to perform heat preservation to the whole. (use iron net to bind the glass fiber)

Affected by the capacity of air discharging fan, the strong wind in the outer duct and wind direction,

when unit air sending volume exceeds the limit, the discharged water of heat exchanger will overflow,

leading to water leakage.

Maybe exceeding the unit operation limit (for example: when indoor dry bulb temperature is 35 C,

wet bulb temperature 24 C), it may lead to overload of comperessor.

(The air side pipe, liquid side pipe must be faithfully heat insulated, if no heat insulation, it may cause

water leakage.)

The outdoor unit has been charged with refrigerant.

When connecting the pipe to the unit or dismantling the pipe from the unit, please follow the figure

shown, use spanner and torque spanner together.

When connect cone nut, the inner side and outside of cone nut should paste with refrigerant oil.

Use hand to twist 3-4 rings, then fasten with spanner.

Referring to Table I to confirm the fasten torque. (too tight may damage nut leading to leakage)

Check if the connection pipe leaks, then do heat insulation treatment, as below figure shown.

Only use seal cushion to bind the joint part of air pipe and heat insulation parts.

Paste the refrigerant oil here

Torque spanner

Spanner

Pipe joint

Cone nut

Middle size seal cushion (accessory)

(Use seal cushion to

bind the pipe joint)

Clamp

Heat insulation (accessory)

(for liquid pipe)

(for gas pipe)

Heat insulation (accessory)

Gas pipe

Liquid pipe

11. Refrigerant pipe

Electric wiring

WARNING

DANGER OF BODILY INJURY OR DEATH

TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE

MAKING ANY ELECTRIC CONNECTIONS. GROUND CONNECTIONS MUST BE

COMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS.

(1) Selection of size of power supply and interconnecting

Precautions for Electric wiring

Electric wiring work should be conducted only by authorized personnel.

Do not connect more than three wires to the terminal block. Always use round type crimped

terminal lugs with

insulated grip on the ends of the wires.

Installation

-159-

Haier AC122ACERA [176/408] Installation

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