Haier Arctic Multi 2U20EH2VHA Referenzhandbuch

DFS05-19

DFS05-19

Multi-Split Communication Wiring Check

The FlexFit Multi and Arctic multi systems are capable of performing a self-test to check

communication wiring between the outdoor to the indoor units. This is a crucial step when performing

start-up on a system as well as performing checks during a service call. It allows you to confirm that

the wiring matches with the associated refrigerant lines for a given circuit.

Arctic Multi 2U20EH2VHA

3U24EH2VHA

FlexFit Multi 3U24MS2VHB

4U36MS2VHB

1

Models affected:

Instructions:

1. Disconnect power to the outdoor unit.

2. Set Dip Switches SW1-1, SW1-2, SW1-3 &

SW1-4 to the ON position. These dip

switches are located on the Service Monitor

Board. (pictured right).

3. Turn ON power to the outdoor unit.

JUNE 2019

Service Bulletin

SW1

Testing Process:

1. All indoor fans will come on at HIGH fan speed.

2. EEV for Circuit A will open.

3. All other EEV’s will close.

4. After a 3 minute delay, the Compressor will start and ramp up to 55HZ.

5. The digital display will alternately display “CH” and “Compressor Frequency (HZ)” at

5-second intervals (pictured below).

6. The system will circulate refrigerant through Circuit Afor about 10 minutes.

7. Afterwards, Circuit A’s EEV will close and Circuit B’s EEV will open.

8. This process will be repeated for each indoor unit that is connected.

2

Service Bulletin

JUNE 2019

DFS05-19

DFS05-19

Testing Process (continued):

9. Once all indoor units have been checked, the digital display will show either “EC” or “0”

•“EC” indicates there is an error in the wires to the indoor unit(s).

•The LED(s) will be flashing, indicating which circuit(s) has the fault.

•For example, if the wires for circuit A and B are switched, then LED1 and

LED 2 will flash.

•Once the wiring is corrected, re-run this test to confirm everything is functional.

o“0”indicates that all wiring is correct.

oIf all the wiring is correct, the LED’s remain solid.

10. Once the test is complete, make sure to change the dip switches back to the OFF

position.And set each indoor unit to preferred set points.

3

Service Bulletin

JUNE 2019

DFS05-19

DFS05-19

Dieses Handbuch passt für folgende Modelle

5

Inhaltsverzeichnis

Andere Haier Klimaanlage Handbücher

Haier

Haier HSU-18CI03 Bedienungsanleitung

Haier

Haier 1U09JE7ERA Bedienungsanleitung

Haier

Haier HPNFD14XCT Bedienungsanleitung

Haier

Haier AS052AZMAA Bedienungsanleitung

Haier

Haier Super Match AF09AB1HRA Bedienungsanleitung

Haier

Haier ESA3123 Bedienungsanleitung

Haier

Haier HSU-18CVY03 Bedienungsanleitung

Haier

Haier 1U12BE8ERA Bedienungsanleitung

Haier

Haier AS20S2SF2FA-3 Bedienungsanleitung

Haier

Haier HSU-18H13 Bedienungsanleitung

Haier

Haier HSU-12RA03 Bedienungsanleitung

Haier

Haier GE NS18A24TA4 Bedienungsanleitung

Haier

Haier HWR05XC5 Bedienungsanleitung

Haier

Haier HSU-26HEK03/R2DB Bedienungsanleitung

Haier

Haier AS12TA2HRA-TH2 Bedienungsanleitung

Haier

Haier 10516146 Bedienungsanleitung

Haier

Haier R Series Bedienungsanleitung

Haier

Haier HFU-09HA03/R(DB) Installations- und Benutzerhandbuch

Haier

Haier Room Air Conditioner Bedienungsanleitung

Haier

Haier HPRD12XC7 - 12000 BTU Portable AC Bedienungsanleitung

Haier

Haier HSU24VH7 HSU24VH7-W HSU24VH7-G Bedienungsanleitung

Haier

Haier ESA3059 Bedienungsanleitung

Haier

Haier AB242AEEAA Bedienungsanleitung

Haier

Haier 3HUM20H03 Bedienungsanleitung

Beliebte Klimaanlage Handbücher anderer Marken

Spheros

Spheros CC 355 Bedienungsanleitung

Bosch

Bosch Climate 5000 SCI 24 CAS/ OU- OUE Bedienungsanleitung

Panasonic

Panasonic CS-E12HKEW Bedienungsanleitung

nedis

nedis ACMB1WT7 Bedienungsanleitung

Samsung

Samsung AR KV Series Leitfaden

Daikin

Daikin FCFV50A Bedienungsanleitung

Fujitsu

Fujitsu Inverter ASBA30JFC Bedienungsanleitung

Toshiba

Toshiba RAS-M10SMUV-E Bedienungsanleitung

Daikin

Daikin FXLQ20MAVE Bedienungsanleitung

Hitachi

Hitachi RAS-E24CAK Bedienungsanleitung

CIAT

CIAT Magister 2 Series Leitfaden

Bestron

Bestron AAC6000 Bedienungsanleitung

Hisense

Hisense 7K Technisches Handbuch

Frigidaire

Frigidaire FFRE0533S1E0 Bedienungsanleitung

Samsung

Samsung AS09HM3N Bedienungsanleitung

Frigidaire

Frigidaire CRA073PU11 Betriebsanleitung

Soleus Air

Soleus Air GB-PAC-08E4 Bedienungsanleitung

McQuay

McQuay MCK020A Bedienungsanleitung