Panasonic CZ-CAPE2 - User Manual

To Next Page

POWER

CN309

OP1

3P (Yellow)

DC12V

EP valve

Balance valve

Intake valve

Output valve

5P (Black)

Indoor control PCB

Signal output cables

(short)

(Supplied part ③)

CN81

3WAY

Optional parts

Solenoid valve

kit or gas pipe

valve kit

CN002

POWER

3P (White)

[AC Power Input]

CN001

OPTION/3WAY

6P (White)

CN003

9P (Red)

[Solenoid valve output]

Protective ground screw

Solenoid valve control PCB

Optional board box

Indoor unit

Power cables (2 core)

(Supplied part ②)

Models where installation is possible in indoor unit electrical box

POWER

CN309

OP1

3P (Yellow)

DC12V

EP valve

Balance valve

Intake valve

Output valve

5P (Black)

Indoor control PCB

Signal output cables

(long)

(Supplied part ③)

CN81

3WAY

Optional parts

Solenoid valve

kit or gas pipe

valve kit

CN002

POWER

3P (White)

[AC Power Input]

CN001

OPTION/3WAY

6P (White)

CN003

9P (Red)

[Solenoid valve output]

Protective ground screw

Solenoid valve control PCB

Optional board box

Indoor unit

Power cables (3 core)

(Supplied part ②)

Normal installation

Solenoid Valve Installation (Electric) and Service Instructions

1. Safety Precautions

3. Wiring Diagram

The connected solenoid valve is a solenoid valve kit, or a gas pipe valve kit.

Controller(CZ-CAPE2)

Optional board box

screws 4x10

(2 locations)

OPTION/3WAY

(CN001)

6P White

POWER

(CN002)

3P White

6P White

screw 4x4

5P Black

CN003

9P Red

Spacers (4 locations)

Optional parts

9P Red

Solenoid valve

kit or gas pipe

valve kit

Protective ground screw

for

power cable (3 core)

Protective ground screw

for solenoid valve kit or gas pipe valve kit

4. Installation Procedures

Note: See the reverse side for procedures for installation on various indoor units.

Models where installation is possible in indoor unit electrical box

1. Install the spacers for the solenoid valve control PCB in the electrical box.

2. Wire according to the following procedure.

3. When you have finished wiring work, check to be sure that there are no nipped portions in the wiring.

Connect the 3P white connector of power cable(2 core) (Supplied part ②) to POWER (CN002) on

the solenoid valve control PCB.

Connect the 3P yellow connector to OP1 (CN309) on the indoor control PCB.

Connect the 6P white connector of Signal output cable (the short cable) (Supplied part ③) to OPTION/3WAY (CN001) on

the solenoid valve control PCB.

Connect the 5P black connector to 3WAY (CN81) on the indoor control PCB.

Connect the connector from the solenoid valve kit or gas pipe valve kit (9P red) to the 9P red connector (CN003) on the solenoid valve

control PCB.

Connect the ground wire of the solenoid valve kit or gas pipe valve kit to the indoor unit

using the screw and washer (supplied part ⑦).

* For the connecting location, refer to the indoor unit installation instructions.

Power cable (2 core) (Supplied part ②)

3P Yellow

To indoor control PCB

OP1(CN309)

3P White

Signal output cable (short cable) (Supplied part ③)

5P Black

To indoor control PCB

3WAY (CN81)

6P White

CN003

9P Red

OPTION/3WAY

(CN001)

6P White

POWER

(CN002)

3P White

Optional parts

Solenoid valve

kit or gas pipe

valve kit

9P Red

① Solenoid Valve Control PCB

⑧ Nylon clamp(F7,F14)

3P Yellow

3P White

③ Signal output cables(long/short)

5P Black

6P White

② Power cables (3 core/2 core)

3P Yellow

3P White

⑤ Fastening screws

Screw 4x4-2 (1 pc.)

Screw 4x10-2 (2 pcs.)

④ Optional board box

⑦ Protective ground screw

for indoor unit

Screw 4x8-3

Washer

⑥ Cable tie (4 pcs.)

Connect to the indoor control PCB with power cable(2 core/3 core) (Supplied part ②) and Signal output cable (Supplied part ③)

Signal output cable (long/short) (Supplied part ③)

3P Yellow

3P White

Power cable (3 core/2 core) (Supplied part ②)

The following is intended for the person responsible for installing or servicing the Solenoid Valve

Controller. Before conducting installation or electrical work, be sure to carefully read these

“Safety Precautions”. Follow instructions exactly in all installation or electrical work.

The precautions given in this manual consist of specific “Warnings” and “Cautions”. They provide

important safety related information and are important for your safety, the safety of others, and

troublefree operation of the system. Be sure to strictly observe all safety procedures. The labels and

their meanings are as described below.

This symbol refers to a hazard or unsafe procedure or practice which can result in

severe personal injury or death.

Warning

Caution

This symbol refers to a hazard or unsafe procedure or practice which can result in

personal injury or product or property damage.

Warning

Be sure to arrange installation at the dealer where the system was purchased or use a professional

installer.

Leaks, electric shock or fire may result if an inexperienced person performs any installation or wiring

Be sure to turn off the power source circuit breaker of the unit before installation or wiring.

High electrical voltages used in the unit may cause electric shock.

procedures incorrectly.

Only a qualified electrician should attempt to install this system, in accordance with the provisions of

the Technical standards for Electrical Installations, local regulations for indoor wirings and these

“Installation (Electric) and Service Instructions”. Be sure to use a dedicated electrical circuit.

Insufficient electrical circuit capacity may cause electric shock or fire.

Use the specified cables (type and wiring diameter) for the electrical connections, and securely connect

the cables. Run and fasten the cables securely so that external forces or pressure placed on the cables

will not be transmitted to the connection terminals. Overheating or fire may result if connections or

attachments are not secure.

Install in a location that is fully strong enough to support the weight of the unit. If it is not strong enough,

the unit may fall, resulting in injury.

Ventilate the work area if cooling gas leaks during installation. Poisonous gas can result if cooling gas

comes into contact with fire.

After installation, check to be sure that there are no gas leaks.

Poisonous gas can result if cooling gas leaks into the room and comes into contact with a fan heater,

stove, range, or other source of fire.

Caution

Do not install in a location subject to leakage of flammable gasses.

Fire can result if gas builds up around the unit.

2. Supplied Parts

1. Install the solenoid valve control PCB in the optional board box with the following procedure.

2. Wire according to the following procedure.

3. When you have finished wiring work, secure the cover of the optional board box with the supplied screw (4x4)

Install the board spacers in the holes in the base of the optional board box.

Note: When you do so, be careful of the direction of the solenoid valve conrol PCB(see following figure).

Attach the optional board box to the unit with the supplied screws(4x10).

Models without space inside electrical box

Connect the 3P yellow connector of power cable (Supplied part ②) to OP1 (CN309) on the indoor control PCB.

Connect the 5P black connector of signal output cable (Supplied part ③) to 3WAY (CN81) on the indoor control PCB.

Connect the ground wire of the power cables (3 core) to the indoor unit using the screw and washer (supplied part ⑦).

* For the connecting location, refer to the indoor unit installation instructions.

* When you use the power cables (2 core) for installing inside electrical box, ground connection is unnecessary.

Connect the ground wires of the power cables and solenoid valve kit or gas pipe valve kit to the optional board box.

* When you use the power cables (2 core), only connect the ground wire of the solenoid valve kit or gas pipe valve kit.

Connect the 3P white connector of power cable(Supplied part ②) to POWER(CN002) on the

solenoid valve control PCB.

Connect the 6P white connector of signal output cable(Supplied part ③) to OPTION/3WAY(CN001) on the

solenoid valve control PCB.

Connect the connector from the solenoid valve kit or gas pipe valve kit (9P red) to the 9P red connector (CN003) on the

solenoid valve control PCB.

Fasten the wires to the optional board box with the cable ties (supplied part ⑥)

Note: When you do so, check to be sure that there are no nipped portions in the wiring.

Use the long cables and 3 core cables

when the solenoid valve controller is

installed outside the indoor unit.

Printed in Japan 85464369377012

To indoor control PCB

OP1(CN309)

To indoor control PCB

3WAY (CN81)

Need help?

Do you have a question about the Panasonic CZ-CAPE2 and is the answer not in the manual?

This document provides detailed instructions for installing and maintaining the Solenoid Valve Controller (CZ-CAPE2) for Panasonic air conditioning systems. It covers safety precautions, technical specifications, installation procedures for various indoor units, and maintenance guidelines.

Function Description

The Solenoid Valve Controller (CZ-CAPE2) is an accessory designed to integrate with Panasonic indoor units to manage the solenoid valve, which controls refrigerant flow. This controller enables precise regulation of the air conditioning system, contributing to energy efficiency and optimal performance. It is essential for systems requiring external control over refrigerant lines, ensuring proper operation and preventing issues related to incorrect flow. The controller works by receiving signals from the indoor unit's PCB and actuating the solenoid valve accordingly.

Important Technical Specifications

The controller operates with specific wiring configurations depending on the indoor unit type and installation scenario (normal installation or installation where the PCB is located in an electrical box). Key components include:

Solenoid Valve Control PCB: The main circuit board that manages the solenoid valve.
Solenoid Valve: The actual valve that controls refrigerant flow.
Wiring Harnesses: Specific cables for connecting the PCB to the solenoid valve and the indoor unit.
Electrical Box: In some installations, the PCB is housed within an electrical box for protection and organized wiring.
Protective Ground Screw: Essential for ensuring electrical safety by providing a ground connection.

The wiring diagrams illustrate connections for:

Power Supply: Typically 2-core wiring (L and N) to the indoor unit's power terminal block.
Solenoid Valve Connection: 2-core wiring from the solenoid valve control PCB to the solenoid valve.
Signal Output: 3-core wiring (CN03, CN81, CN309) from the solenoid valve control PCB to the indoor unit's PCB, specifically to the OPTION/2WAY terminal.

Usage Features

The Solenoid Valve Controller is designed for seamless integration with a variety of Panasonic indoor units, including:

4-Way Cassette (U1 Type, Y1 Type)
High Static Pressure Ducted (E1 Type)
Ceiling (T1 Type)
Slim Low Static Ducted (M1 Type)
1-Way Cassette (D1 Type)
2-Way Cassette (L1 Type)
Low Silhouette Ducted (F1 Type, F2 Type)
Floor Standing (P1 Type)
Concealed Floor Standing (R1 Type)

Each indoor unit type has specific installation procedures and wiring routes, which are detailed with diagrams. The controller is designed to be flexible, allowing for installation either directly within the indoor unit's casing or in an external electrical box, depending on space and unit design. The installation process involves connecting the solenoid valve, the solenoid valve control PCB, and routing the necessary wiring to the indoor unit's main PCB.

Maintenance Features

The manual emphasizes safety precautions during installation and maintenance. Key maintenance-related features and warnings include:

Electrical Safety: Always disconnect the power supply before performing any electrical work to prevent electric shock. Ensure proper grounding of the unit and the solenoid valve controller.
Refrigerant Handling: Be cautious when handling refrigerant lines to prevent leaks or exposure. Ensure proper tightening of flare nuts to prevent refrigerant leakage.
Installation Integrity: Verify that all connections are secure and that the controller is properly mounted. Loose connections can lead to malfunctions or safety hazards.
Leak Checks: After installation, perform a leak check on all refrigerant connections using a leak detector or soap solution.
Post-Installation Checks: After completing the installation, check for proper operation of the air conditioner and the solenoid valve. Ensure that the solenoid valve opens and closes correctly in response to the system's commands.
Gas Leakage Prevention: If a refrigerant gas leak occurs in a small room, ensure adequate ventilation. Refrigerant gas, if concentrated, can cause oxygen deficiency.
Regular Inspection: Periodically inspect wiring for damage or wear, and ensure all connections remain tight.
Professional Servicing: For complex issues or repairs, it is recommended to consult a qualified service professional.

The manual also includes warnings about:

Flammable Refrigerant: Some refrigerants are flammable. Ensure proper ventilation and avoid ignition sources during installation and maintenance.
Explosion Risk: Do not use a torch near refrigerant lines, as this can cause an explosion.
Component Compatibility: Use only specified parts and accessories to avoid damage or malfunction.
Environmental Considerations: Dispose of packaging materials responsibly.

The detailed diagrams and step-by-step instructions facilitate correct installation and troubleshooting, contributing to the longevity and efficient operation of the air conditioning system.