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Mitsubishi Electronics 125 manual

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Table of contents for the manual

  • Page 1

    INST ALLA TION MANUAL For safe and correct use, please read this in stallation manual thoroughly before installing the air-conditioner unit. Air-Conditioners PEAD-RP71, 100, 125, 140JAA English FOR INST ALLER KD79D905H01_Cove r.fm Page 1 Friday, October 14, 2011 10 :08 AM[...]

  • Page 2

    2 3 [Fig. 3-1] 4 [Fig. 4-1] C D C E D A Unit body B Lifting machine 5 [Fig. 5-1] [Fig. 5-2] [Fig. 5-3] A Center of gravity A Indoor unit’s bottom surface 5.2 5.1 A Access door B Electrical parts box C Air inlet D Air outlet E Ceiling surface F Service space (viewed from the side) G Service space (viewed from the direction of arrow) 1 600 mm or mo[...]

  • Page 3

    3 6 ø B ø A a b [Fig. 6-1] a Indoor unit b Outdoor unit a d c b ef 90 ° d c b a b a a b e b c d c A c b a de fg h i [Fig. 6-9] A Pipe cover (small) (accessory) B Caution: Pull out the thermal insulation on the refrigerant piping at the site, insert the flare nut to flare the end, and replace the insu- lation in its original position. T ake care [...]

  • Page 4

    4 [Fig. 6-10] [Fig. 6-1 1] 6 6.5 C D G F E B 52 5 A A Indoor unit B Tie band (accessory) C Band fixing part D Insertion margin E Drain socket (accessory) F Drain pipe (O.D. ø 32 PVC TUBE, field supply) G Insulating material (field supply) A B1 C C C D2 E A Downward s lope 1/100 or mo re B Connection dia. R1 exte rnal thread C Indoor unit D Collect[...]

  • Page 5

    5 8 [Fig. 8-1] 8.1 7 7.1 A Outdoor unit power supply B Earth leakage breaker C Wiring circuit breaker or isolating switch D Outdoor unit E Indoor unit/outdoor unit connecting cords F Remote controller (option) G Indoor unit S1 S2 L N 1 2 S1 S2 S3 S3 AB C D E F G A Outdoor unit power supply B Earth leakage breaker C Wiring circuit breaker or isolati[...]

  • Page 6

    6 8.2 F Use PG bushing to keep the weight of the cable and external force from being applied to the power supply terminal connector . Use a cable tie to secure the cable. G Power source wiring H Use ordinary bushing I Transmission wiring J T erminal block for power source and indoor transmission K T erminal block for remote controller [Fig. 8-2-3] [...]

  • Page 7

    7 A For installation in the switch box: B For direct installation on the wall select one of the following: • Prepare a hole through the wall to pass the remote controller cord (in order to run the remote controller cord from the back), then seal the hole with putty . • Run the remote controller cord through the cut-out upper case, then seal the[...]

  • Page 8

    8 A B C D E G H F A Signal receiving unit external B Center of Switch box C Switch box D Installation pitch E 6.5 mm (1/4 inch) F 70 mm (2 - 3/4 inch) G 83.5 ± 0.4 mm (3 - 9/32 inch) H Protrusion (pillar , etc) [Fig. 8-9] A B C A Remote controller wire B Hole (drill a hole on the ceiling to pass the remote controller wire.) C Signal Receiving Unit[...]

  • Page 9

    9 8 8.4 [Fig. 8-12] [Fig. 8-13] AB C D A Thin-wall portion B Bottom case C Remote controller wire D Conducting wire [Fig. 8-14] A A Screw (M4 x 30) * When installing the lower case directly on the wall or the ceiling, use wood screws. Insert the minus screwdriver toward the arrow pointed and wrench it to remove the cover . A flat screwdriver whose [...]

  • Page 10

    10 8 8.4 [Fig. 8-16] IC IC IC IC CN90 CN90 CN90 CN90 Pair number: 0 [Fig. 8-17] IC CN90 IC CN90 Pair n umber: 0 Pair n umber: 0 Pair n umber: 0 Pair number: 0 IC IC IC IC CN90 CN90 CN90 CN90 [Fig. 8-19] [Fig. 8-18] Pair number: 0 Pair number: 1 Pair number: 2 Pair number: 3 Pair number: 0 Pair number: 1 Pair number: 2 Pair number: 3 Pair number: 0 [...]

  • Page 11

    11 9 [Fig. 9-1] [Fig. 9-2] 9.2 ˚ C ˚ C SIMPLE PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF TEST RUN COOL, HEAT A F C ED B M I H G ˚ C ˚ C SIMPLE PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF B C A E D A ON/OFF button B T est run display C Indoor[...]

  • Page 12

    12 10 [Fig. 10-1] B A G H K L M I J C D E F A Indoor unit B Union C Liquid pipe D Gas pipe E Stop valve F Outdoor unit G Refrigerant gas cylinder operating valve H Refrigerant gas cylinder for R410A with siphon I Refrigerant (liquid) J Electronic scale for refrigerant charging K Charge hose (for R410A) L Gauge manifold valve (for R410A) M Service p[...]

  • Page 13

    13 Contents 1. Safety precautions ................................................................................. 13 2. Selecting the installation location ........................................................... 13 3. Selecting an installation site & Accessories ........................................... 14 4. Fixing hanging bolts ......[...]

  • Page 14

    14 3. Selecting an installation site & Accessories • Select a site with sturdy fixed surface sufficiently durable against the weight of unit. • Before installing unit, the routing to carry in unit to the installation site should be determined. • Select a site where the unit is not affected by entering air . • Select a site where the flo[...]

  • Page 15

    15 6. Refrigerant piping work [Fig. 6-5] (P .3) a Flare nut b Copper tube • Remove flare nuts attached to indoor and outdoor unit, then put them on pipe/tube having completed burr removal. (not possible to put them on after flaring work) 6.2.4. Flaring work [Fig. 6-6] (P .3) a Flaring tool b Die c Copper tube d Flare nut e Y oke • Carry out fla[...]

  • Page 16

    16 6. Refrigerant piping work 6.4. Purging procedures leak test PURGING PROCEDURES Connect the refrigerant pipes (both the liquid and gas pipes) between the indoor and the outdoor units. Remove the service port cap of the stop valve on the side of the outdoor unit gas pipe. (The stop valve will not work in its initial state fresh out of the factory[...]

  • Page 17

    17 • Connect canvas duct between unit and duct. [Fig. 7-1] (P .5) • Use incombustible material for duct parts. • Provide full insulation to inlet duct flange and outlet duct to prevent condensation. • Be sure to change the position of air filter to a position where it can be serviced. <A> In case of rear inlet <B> In case of bot[...]

  • Page 18

    18 8.1. Power supply 8.1.1. Indoor unit power supplied from outdoor unit The following connection patterns are available. The outdoor unit power supply patterns vary on models. 1:1 System [Fig. 8-1] (P .5) A Outdoor unit power supply B Earth leakage breaker C Wiring circuit breaker or isolating switch D Outdoor unit E Indoor unit/outdoor unit conne[...]

  • Page 19

    19 8. Electrical work 8.2. Indoor wire connection Work procedure 1.Remove 2 screws to detach the electric component cover. 2.Route each cable through the wiring intake into the electric component box. (Pro- cure power cable and in-out connecting cable locally and use remote control cable supplied with the unit.) 3.Securely connect the power cable a[...]

  • Page 20

    20 8. Electrical work 2) How T o Install [Fig. 8-8] (P .8) to [Fig. 8-15] (P .9) 1. Common items for “ Installation on the ceiling ” and “ Installation on the switch box or on the wall ” [Fig. 8-8] (P .8) A Signal receiving unit external E 6.5 mm (1/4 inch) B Center of Switch box F 70 mm (2 - 3/4 inch) C Switch box G 83.5 ± 0.4 mm (3 - 9/3[...]

  • Page 21

    21 8.5. Function settings (Function selection via the remote controller) 8.5.1 Function setting on the unit (Selecting the unit functions) 1) For wired remote controller [Fig. 8-21] (P .1 1) 1. Changing the external static pressure setting. • Be sure to change the external static pressure setting depending on the duct and the grill used. 1 Go to [...]

  • Page 22

    22 9.1. Before test run After completing installation and the wiring and piping of the indoor and outdoor units, check for refrigerant leakage, looseness in the power supply or control wiring, wrong polarity , and no disconnection of one phase in the supply . Use a 500-volt megohmmeter to check that the resistance between the power supply terminals[...]

  • Page 23

    23 9. T est run • If the unit cannot be operated properly after the above test run has been performed, refer to the following table to remove the cause. PLEASE W AIT PLEASE W AIT → Error code Display messages do not appear even when operation switch is turned ON (operation lamp does not light up). Symptom After LED 1, 2 are lighted, LED 2 is tu[...]

  • Page 24

    24 10 . Maintenance 10.1. Gas charge [Fig. 10-1] (P .12) A Indoor unit B Union C Liquid pipe D Gas pipe E Stop valve F Outdoor unit G Refrigerant gas cylinder operating valve H Refrigerant gas cylinder for R410A with siphon I Refrigerant (liquid) J Electronic scale for refrigerant charging K Charge hose (for R410A) L Gauge manifold valve (for R410A[...]

  • Page 25

    01_KB79U749H01_GB.p65 2011.10.26, 4:49 PM 25[...]

  • Page 26

    01_KB79U749H01_GB.p65 2011.10.26, 4:49 PM 26[...]

  • Page 27

    01_KB79U749H01_GB.p65 2011.10.26, 4:49 PM 27[...]

  • Page 28

    KD79D905H0 2 Please be sure to put the cont act address/telephone number on this manual before handing it to the customer . HEAD OFFICE : TOKYO BLDG ., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAP AN KD79D905H01_Back cover.fm Page 24 Fr iday, October 14, 201 1 10:11 AM[...]