User manual TOSHIBA RAV-SM28022DT-E SERVICE MANUAL

[. . . ] A10-001 Revised: May, 2010 SERVICE MANUAL SPLIT TYPE INDOOR UNIT <DIGITAL INVERTER> RAV-SM2242DT-E RAV-SM2802DT-E RAV-SM2242DT-TR RAV-SM2802DT-TR R410A PRINTED IN JAPAN, Apr. , 2010 ToMo CONTENTS ORIGINAL INSTRUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 WARNING INDICATIONS ON THE AIR CONDITIONER UNIT. . . . . . . . . . . . . . . . . . . . . . . . . . 5 PRECAUTION FOR SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 NEW REFRIGERANT (R410A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] (Except errors and response to demand of service data) 10-2-1. Single Outdoor Indoor 1-1 Individual (Header/Master) Remote controller 2. Single group operation · Each indoor unit controls the outdoor unit individually. 2-1 Header/Sub 1-1 Header/Sub 4-1 Header/Master 3-1 Header/Sub 8-1 Header/Sub ­ 67 ­ 10-2-2. Automatic Address Example from Unset Address (No miswiring) 1. Standard (One outdoor unit) 1) Single 1-1 Individual (Header/Master) Only turning on source power supply (Automatic completion) 2. Group operation (Multiple outdoor units = Multiple indoor units with serial communication only, without twin) 2-1 Header/Sub 1-1 Header/Sub 3-1 Header/Master 8-1 Header/Sub (Max. : 8 units) Only turning on source power supply (Automatic completion) ­ 68 ­ 10-3. Address Setup (Manual Setting from Remote Controller) In case that addresses of the indoor units will be determined prior to piping work after cabling work · Set an indoor unit per a remote controller. · Turn on power supply. (Example of 2-lines cabling) (Real line: Cabling, Broken line: Refrigerant pipe) Outdoor 123 Outdoor 123 123 123 Indoor AB Indoor AB Line address 1 Indoor unit address 1 Group address 1 2 1 2 AB 1 2 3 4 5 6 7 8 Push + + buttons simultaneously for 4 seconds or more. ( Line address) Using the temperature setup set 12 to the CODE No. Using timer time Push SET SET CL TEST Remote controller For the above example, perform setting by connecting singly the wired remote controller without remote controller inter-unit cable. Group address Individual : 0000 Header unit : 0001 Follower unit : 0002 / buttons, / buttons, set the line address. In case of group control button. (OK when display goes on. ) / buttons, set 13 to the CODE No. ( Indoor unit address) Using the temperature setup Using timer time Push SET / buttons, set 1 to the line address. button. (OK when display goes on. ) / buttons, set 14 to the CODE No. ( Group address) Using the temperature setup 9 Using timer time / buttons, set 0000 to Individual, 0001 to Master unit, and 0002 to sub unit. (OK when display goes on. ) 11 Push button. SET TEST Setup completes. (The status returns to the usual stop status. ) TEMP. ON / OFF 2, 5, 8 END 11 1 <Operation procedure> TIMER SET FAN MODE TIME FILTER L RESET TEST SAVE A VENT SET CL SWING/FIX UNIT LOUVER T 3, 6, 9 4, 7, 10 1 2 3 4 5 6 7 ­ 69 ­ 8 9 10 11 END n Confirmation of indoor unit No. To know the indoor unit addresses though position of the indoor unit body is recognized · In case of individual operation (Wired remote controller : indoor unit = 1 : 1) (Follow to the procedure during operation) <Procedure> 1 2 Push ON / OFF UNIT LOUVER button if the unit stops. Push button. (It disappears after several seconds. ) The displayed unit No. indicate line address and indoor unit address. (When other indoor units are connected to the identical remote controller (Group control unit), other unit numbers are also displayed every pushing UNIT LOUVER button. TEMP. ON / OFF 1 Operation TIMER SET FAN MODE TIME FILTER L RESET TEST SAVE A VENT SET CL SWING/FIX UNIT LOUVER T 2 <Operation procedure> 1 2 END 2. To know the position of indoor unit body by address · To confirm the unit No. in the group control (Follow to the procedure during operation) (in this procedure, the indoor units in group control stop. ) <Procedure> The indoor unit numbers in the group control are successively displayed, and fan, louver, and drain pump of the corresponding indoor unit are turned on. [. . . ] Set the fan motor so that label of the model name is at upper side when replaced. After replacement, assemble the fan motor in reverse order so that it becomes the same status as that before replacement. Be careful there is no loosening of screws when assembling. Check also that there is no fitting of fan with fan case, no air discharge and no abnormal sound 1) Tightening band (Ø4: 1 position for left/right each) 4: 2), 3) Relay connector Protective tube Fan motor lead wire Fan motor lead wire assembly Fix the both ends of the protective tube so that it covers the relay connector section. [. . . ]