NEC RIH-6867 user manual Installation instructions, Piping Thermal Insulation, Piping Connection

Models: RIH-6867

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Piping Thermal Insulation:

Installation instructions  Piping Connection:

Piping Joints Thermal Insulation: Wrap the piping joints with thermal insulation materials and then wrap

with a vinyl tape.

 

 

 

 

 

 

 

wrapped with vinyl type

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thermal insulation

 

 

Piping Thermal Insulation:

 

 

 

 

 

 

 

 

a. Place the drain hose under the piping.

 

 

 

 

 

 

Large pipe

Thermal insulation

b. Insulation material uses polythene foam over 6mm in thickness.

 

tube

Note: Drain hose is prepared by user.

 

 

 

 

Power connecting cord

 

 

Drain pipe should point downward for easy drain flow.

Do not arrange the drain pipe twisted, sticking out or wave around, do not immerse the end of it in water.

If an extension drain hose is connected to the drain pipe, make sure to thermal insulated when passing along the indoor unit.

Small Manual background pipe

Manual backgroundDrain hose (prepared by user)

When the piping is directed to the right, piping, power Cord and drain pipe should be thermal insulated and fixed onto the back of the unit with a piping fixer.

 

 

 

 

Insert here

 

 

 

 

 

large

 

 

large

 

 

 

pipe

 

 

pipe

 

 

drain

small

 

drain

small

 

 

hose

pipe

 

hose

pipe

Base

Pip g fixer

Base

 

Piping fixer

Base

Hook here

 

 

 

 

 

 

 

 

A. Insert the pipe fixer to the slot.

B. Press to hook the pipe fixer onto the base.

Manual background Piping Connection:

a. Connect indoor unit pipes with two wrenches. Pay special attention to the allowed torque as shown below to prevent the pipes, connectors and flare nuts from being deformed and damaged.

b. Pre-tighten them with fingers at first, then use the wrenches.

Model

Pipe size

Torque

Nut width

Min.thickness

24K

Liquid Side (3/8 inch)

3.5kg.m

22mm

0.6mm

24K

Gas Side (5/8 inch)

7.5kg.m

27mm

0.6mm

 

 

 

 

 

Note: The connection pipe will be provided or purchased by customer.

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NEC RIH-6867 user manual Installation instructions, Piping Thermal Insulation, Piping Connection