Sanyo XHX1252 user manual

User manual for the device Sanyo XHX1252

Device: Sanyo XHX1252
Category: Air Conditioner
Manufacturer: Sanyo
Size: 16.35 MB
Added : 6/25/2013
Number of pages: 114
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Summary of the content on the page No. 1

TEST RUN SERVICE MANUAL
R410A Models
Indoor Units
Class 7 9 12 18 24 36 48
X 4-Way Air Discharge Semi-Concealed XHX1252 XHX1852 XHX2452 XHX3652
A 1-Way Air Discharge Semi-Concealed AHX0752 AHX0952 AHX1252
U Concealed-Duct UHX0752 UHX1252 UHX1852 UHX2452 UHX3652
D Concealed-Duct High-Static Pressure DHX3652 DHX4852
T Ceiling-Mounted THX1252 THX1852 THX2452
K Wall-Mounted KHX0752 KHX0952 KHX1252 KHX1852 KHX2452
Outdooe Units
Class 90 140
C ECO-i W-2WAY CHDX09053 CHDX14053
85464849257000 REFERENCE

Summary of the content on the page No. 2

i

Summary of the content on the page No. 3

Check of Density Limit 2. The standards for minimum room volume are as fol- lows. The room in which the air conditioner is to be installed requires a design that in the event of refrig- (1) No partition (shaded portion) erant gas leaking out, its density will not exceed a set limit. The refrigerant (R410A), which is used in the air con- ditioner, is safe, without the toxicity or combustibility of ammonia, and is not restricted by laws imposed to protect the ozone layer. However, since it con

Summary of the content on the page No. 4

Contents Section 1: TEST RUN ..............................................................................................................1-1 1. Test Run ...........................................................................................................1-2 2. Setting of Unit Control PCB .............................................................................1-4 3. Auto Address Setting .......................................................................................1-6 4. Remo

Summary of the content on the page No. 5

Test Run Contents 1. TEST RUN 1. Test Run ..............................................................................................................................1-2 1. Preparing for Test Run ......................................................................................................1-2 2. Test Run Procedure ..........................................................................................................1-3 2. Setting of Unit Control PCB ..............................

Summary of the content on the page No. 6

Test Run 1. Test Run 1. Preparing for Test Run Before attempting to start the air conditioner, check the fol- lowing. (1) All loose matter is removed from the cabinet, especially ON steel fi lings, bits of wire, and clips. (2) The control wiring is correctly connected and all electrical (Power must be turned ON connections are tight. at least 5 hours before attempting test run) (3) The protective spacers for the compressor used for trans- portation have been removed. If not, remove them now. (

Summary of the content on the page No. 7

Test Run 1. Test Run 2. Test Run Procedure Recheck the items to check before the test run. Items to Check Before the Test Run 1. Turn the remote power switch on at least 5 hours before the test, in order to energize the crankcase heater. NO 2. After performing the leak inspection, applying vacuum, Have the outdoor sub units been connected? and performing refrigerant charge for the tubing which YES is connected on-site, fully open the outdoor unit service *1 *1 The

Summary of the content on the page No. 8

Test Run 2. Setting of Unit Control PCB 1. Main Outdoor Unit PCB Setting S004 S006 S002 S003 S005 S007 CN100 CN101 CN003 1 2 3 4 5 6 7 1-4 8

Summary of the content on the page No. 9

1 1 1 1 1 1 1 0 0 Test Run 2. Setting of Unit Control PCB Examples of the No. of indoor units settings (S005, S004) Indoor unit setting (S005) Indoor unit setting (S004) No. of indoor units (3P DIP switch, blue) (Rotary switch, red) 10 20 30 ON ON 1 unit (factory setting) All OFF Set to 1 2 3 1 OFF ON ON 11 units 1 ON Set to 1 1 2 3 OFF ON ON 21 units 2 ON Set to 1 1 2 3 OFF ON ON 31 units 3 ON Set to 1 1 2 3 OFF ON ON 40 units 1 & 3 ON Set to 0 2 3 1 OFF Examples of refrigerant circuit (R.C.)

Summary of the content on the page No. 10

1 Test Run 3. Auto Address Setting 1. Auto Address Setting Basic wiring diagram: Example (1)  If link wiring is not used (The inter-unit control wires are not connected to multiple refrigerant systems.) Indoor unit addresses can be set without operating the compressors. No. 1 (main outdoor unit) settings No. of indoor units (10 units setting) System address (S004) (system 1 setting) 0 (S002) (S003) ON ON (S005) No. 3 (sub unit) No. 2 (sub unit) ON ON 1 2 OFF 1 2 3 OFF Unit (S007) Unit (S007

Summary of the content on the page No. 11

2 1 Test Run 3. Auto Address Setting Basic wiring diagram: Example (2) * When multiple outdoor main units exist, remove the socket that is  If link wiring is used used to short-circuit the terminal plug (CN003) from all outdoor No. 1 (main outdoor unit) settings main unit PCBs except for one unit. No. of indoor units System address Alternatively, move the sockets to the “OPEN” side. (system 1 setting) (13 units setting) (S004) (S002) (S003) ON ON 1 2 (S005) OFF ON ON No. 2 (sub unit) No. 3

Summary of the content on the page No. 12

Test Run 3. Auto Address Setting Case 2 Automatic Address Setting (no compressor operation) Indoor and outdoor unit power can be turned ON for each system separately. Indoor unit addresses can be set without operating the compressors. Automatic Address Setting from Outdoor Unit ON 1. On the No. 1 (main) unit control PCB, set the unit No. switch (S007) to (unit No. 1). 1 2 3 ON On the No. 2 (sub) unit control PCB, set the unit No. switch (S007) to (unit No. 2). 1 2 3 ON On the No. 3 (sub) uni

Summary of the content on the page No. 13

Test Run 3. Auto Address Setting Case 3A Automatic Address Setting in Heating Mode Indoor and outdoor unit power cannot be turned ON for each system separately. In the following, automatic setting of indoor unit addresses is not possible if the compressors are not operating. Therefore perform this process only after completing all refrigerant tubing work. Automatic Address Setting from Outdoor Unit 1. Perform steps 1 - 4 in the same way as for Case 2 . 5. Turn the indoor and outdoor unit powe

Summary of the content on the page No. 14

Test Run 3. Auto Address Setting Case 3B Automatic Address Setting in Cooling Mode Indoor and outdoor unit power cannot be turned ON for each system separately. In the following, automatic setting of indoor unit addresses is not possible if the compressors are not operating. Therefore perform this process only after completing all refrigerant tubing work. Automatic address setting can be performed during Cooling operation. Automatic Address Setting from Outdoor Unit 1. Perform steps 1 - 4 i

Summary of the content on the page No. 15

Test Run 3. Auto Address Setting Display during automatic address setting On outdoor main unit PCB 2 1 LED * Do not short-circuit the automatic address setting pin (CN100) again while automatic address setting is in progress. Doing so will cancel the setting operation and will cause LED 1 and 2 to turn OFF. Blink alternately * When automatic address setting has been successfully completed, both LED 1 and 2 turn OFF. * LED 1 is D72. LED 2 is D75. * If automatic address setting is not completed

Summary of the content on the page No. 16

Test Run 3. Auto Address Setting 4. Remote Controller Test Run Settings Request concerning recording the indoor/outdoor unit combination Nos. After automatic address setting has been completed, be sure to record them for future reference. List the outdoor main unit system address and the addresses of the indoor units in that system in an easily visible location (next to the nameplate), using a permanent marking pen or similar means that cannot be abraded easily. Example: (Outdoor) 1 - (Indoor)

Summary of the content on the page No. 17

Test Run 5. Caution for Pump Down 5. Caution for Pump Down Pump down means refrigerant gas in the system is returned to the outdoor unit. Pump down is used when the unit is to be moved, or before servicing the refrigerant circuit. This outdoor unit cannot collect more than the rated refrigerant amount as CAUTION shown by the nameplate on the back. If the amount of refrigerant is more than that recommended, do not conduct pump down. In this case use another refrigerant collecting system.

Summary of the content on the page No. 18

Test Run 6. Meaning of Alarm Messages 6. Meaning of Alarm Messages Table of Self-Diagnostics Functions and Description of Alarm Displays Alarm messages are indicated by the blinking of LED 1 and 2 (D72, D75) on the outdoor unit PCB. They are also displayed on the wired remote controller. Viewing the LED 1 and 2 (D72 and D75) alarm displays LED1 LED2 Alarm contents Alarm Display LED 1 blinks M times, then LED 2 blinks N times. The cycle then repeats. Alternating M = 2: P alarm 3: H alarm 4: E

Summary of the content on the page No. 19

Test Run 6. Meaning of Alarm Messages Alarm Possible cause of malfunction Message Activation of Protective device in outdoor unit Compressor therminal protector is activated. protective is activated. Power supply voltage is unusual. (The voltage is more than 260 V or less P02 device than 160 V between L1 and L2 phase.) Incorrect discharge temperature. (Comp. No. 1) P03 High pressure switch is activated. P04 Negtive (defective) phase. P05 Compressor running failure resulting from missing phase in

Summary of the content on the page No. 20

Test Run 6. Meaning of Alarm Messages Alarm messages displayed on system controller Serial Error in transmitting serial Indoor or main outdoor unit is not oparating correctly. communication communication signal Mis-wiring of control wiring between indoor unit, main outdoor unit and C05 errors system controller. Mis-setting Error in receiving serial Indoor or main outdoor unit is not operating correctly. communication signal Mis-wiring of control wiring between indoor unit, main outdoor unit and


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