Instruction/ maintenance manual of the product PUHZ-RP250YHM-A Mitsubishi Electronics
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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.
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 .
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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 .
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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.
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