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Mitsubishi Electronics PUHZ-RP250YHM-A - page 1
OUTDOOR UNIT PUHZ-RP250YHM-A For use with R410A INST ALLA TION MANU AL F or saf e and correct use, please read this installation manual thoroughly bef ore installing the air-conditioner unit. GB ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 2
2 5 [Fig. 5.0.1] [Fig. 6.0.1] 6 (2) (1) (3) (4) [Fig. 5.0.2] <A> : T op view <B> : Side view <C> : When there is little space up to an obstruction A :F ront B : Unit height C :B a c k D : Air outlet guide (Procured at the site) A :F ront B : Must be open C :W all height (H) 15 * 15 * 450 * 300 * <A> A 100 * 450 * 50 * 50 * & ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 3
3 7 [Fig. 7.1.1] 30mm A B C 8 8.2 [Fig. 8.2.1] A : Outdoor unit B : Indoor unit A B A 7.1 Å Outdoor model RP250 ı Liquid pipe ø9.52 Ç Gas pipe ø22.2 A 9.2 9 [Fig. 9.2.1] [Fig. 9.2.2] <A> Valve liquid side/ flared type A B C H I G F E D () <B> Valve gas side/ flanged type () [Fig. 9.2.3] A B [Fig. 9.2.4] A E D C B A : Close-packed p ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 4
4 [Fig. 9.3.1] [Fig. 9.3.3] [Fig. 9.3.2] 9.3 A A : Nitrogen gas B :T o indoor unit C : System analyzer D : Low knob E : Hi knob F :V alve G : Liquid pipe H : Gas pipe I : Outdoor unit J : Service port A : System analyzer B : Low knob C : Hi knob D :V alve E : Liquid pipe F : Gas pipe G : Service port H : Three-way joint I :V alve J :V alve K : R410 ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 5
5 [Fig. 10.4.1] A : Switch (Breakers f or wiring and current leakage) B : Breakers f or current leakage C : Outdoor unit BA C 3N~380–415V L 1 , L 2 , L 3, N PE C L1 L2 L3 N Terminal block for indoor – outdoor transmission line (TB3) Power supply terminal block (TB1) Control box A B [Fig. 10.2.1] 10.3 10.2 [Fig. 10.2.2] A B C [Fig. 10.3.1] 10 A ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 6
6 D F E I NL P GR RU TR CZ SV SL HG PO GB Contents 1. Safety precautions 1.1. Bef ore installation and electric work s Before installing the unit, make sure y ou read all the “Safety precautions”. s The “Safety precautions” provide very important points re- garding safety . Make sure y ou follo w them. Symbols used in the text W arning: Des ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 7
7 D F E I NL P GR RU TR CZ SV SL HG PO GB 1.4. Before installation (relocation) - electri- cal work Caution: • Ground the unit. - Do not connect the ground wire to gas or water pipes, lightning rods, or telephone ground lines. Improper grounding may result in electric shock. • Install the power cable so that tension is not applied to the cable. ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 8
8 D F E I NL P GR RU TR CZ SV SL HG PO GB 7. Installation of unit 7.1. Installation [Fig. 7.1.1] (P .3) A M10 anchor bolt procured at the site. B Cor ner is not seated. C Fixing brack et for the hole-in anchor bolt (3 locations to fix with scre ws). • Fix unit tightly with bolts so that unit will not f all down due to earthquakes or strong winds. ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 9
9 D F E I NL P GR RU TR CZ SV SL HG PO GB 8. Refrigerant piping installation The pipe is connected via a terminal-branch type connection in which refrigerant piping from the outdoor unit is branched at the terminal and is connected to each of the indoor units. The method of pipe connection is as follows: flare connection for the indoor units, gas p ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 10
10 D F E I NL P GR RU TR CZ SV SL HG PO GB At the time of shipping, the outdoor unit is charged with refrigerant. This charge does not include the amount needed for e xtended piping and addi- tional charging of each refrigerant line will be required on site. In order that future servicing may be properly provided, alwa ys keep a record of the siz e ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 11
11 D F E I NL P GR RU TR CZ SV SL HG PO GB Caution: Only use refrigerant R410A. - The use of other refrigerants such as R22 or R407C, which contains chlorine, will deteriorate the refrigerating machine oil or cause the compressor to malfunc- tion. 2 Evacuation Evacuate with the valve of the outdoor unit closed and evacuate both the con- nection pip ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 12
12 D F E I NL P GR RU TR CZ SV SL HG PO GB 1. Use dedicated power supplies f or the outdoor unit and indoor unit. 2. Bear in mind ambient conditions (ambient temperature,direct sunlight, rain water ,etc.) when proceeding with the wiring and co nnections. 3. The wire size is the minimum v alue for metal conduit wiring. If the v oltage drops, use a w ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 13
13 D F E I NL P GR RU TR CZ SV SL HG PO GB 11. T est run 11.1. The f ollowing phenomena do not represent faults. Display of remote controller Normal display Defrost display No lighting Heat ready “H0” or “PLEASE W AIT” flashes Normal display Normal display Normal display Cause Ultra-low speed operation is commenced at thermostat OFF . Light ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 14
GB E F I NL E P GR RU TR ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 15
GB E F NL E P GR RU TR ...
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Mitsubishi Electronics PUHZ-RP250YHM-A - page 16
WT05737X01 Printed in Japan HEAD OFFICE: T OKY O BLDG., 2-7-3, MARUNOUCHI, CHIY OD A-KU , T OKY O 100-8310, JAP AN Please be sure to put the contact address/telephone number on this manual before handing it to the customer. This product is designed and intended for use in the residential, commercial and light-industrial environment. The product at ...
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