Daikin LRMEQ5AY1E [6/17] Connection drawing

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Connection drawing

1. Turn the outdoor unit power OFF.

2. Remove the front panel. (If the model has two front panels (i.e., one each on the left-hand side and right-

hand side), remove the panel on the right-hand side only.)

3. Remove the lid of the electrical box.

4. Refer to the and mount the Digital Pressure Gauge Assembly to the panel on the right-

hand side.

[Parts used: Digital Pressure Gauge Assembly: 1, M5×12 screw: 2]

5. Secure the ground wire to the electrical box with a screw.

Refer to section B (detail view) in the for the screwing position.

[Parts used: M4×12 screw: 1]

6. Connect the power supply line and communication line of the Digital Pressure Gauge

Assembly to the control PCB (A1P) in the electrical box.

• Power supply line: Connector (white) • X77A

• Communication line: Connector (blue) • X27A

At that time, wire the communication line behind the Digital Pressure Gauge Assembly.

(Refer to section A (detail view) in the .)

7. After connecting the power supply line, communication line, and ground wire, secure the wiring path

according to the .

[Parts used: Clamps: small 6, large 1]

8. Mount the lid of the electrical box.

9. Punch out the knock hole with a diameter of 70 mm on the front panel. (Refer to the mounting dimensions

on the upper right-hand side.)

10.Attach the resin bush to the knock hole on the front panel. [Parts used: Resin bush: 1]

11.Mount the front panel.

12.On completion of installation, turn the outdoor unit power ON and make sure that pressures are displayed

normally.

When figures appear in the discharge pressure display and suction pressure indicate, the product is

working normally.

(Pressure is indicated in the operation switch "OFF or ON" of outdoor unit.)

Abnormal upper section: Error code, Abnormal lower section: LP

Abnormal display case: Please refer to the service diagnosis P.15

C: 2P190979

Knock hole on the front panel

Punch out the

knock hole on the

left-hand side.

Installation drawing

Wiring drawing