Air to Water Heat Pump PUHZ-W HA series • PUHZ-HW HA series • INSTALLATION MANUAL FOR INSTALLER English For safe and correct use, read this manual as well as the indoor unit installation manual thoroughly before in- stalling the unit. INSTALLATIONSHANDBUCH FÜR INSTALLATEURE Deutsch...
This symbol mark is according to the directive 2002/96/EC Article 10 Information for users and Annex IV. Your MITSUBISHI ELECTRIC product is designed and manufactured with high quality materials and components which can be recycled and reused. This symbol means that electrical and electronic equipment, at their end-of-life, should be disposed of separately from your household waste.
1. Safety precautions 1.3. Before electric work • Make sure to ground the unit. Do not connect the ground wire to gas or water pipes, lightning rods, or telephone grounding lines. If the unit is not Caution: properly grounded, there may be a risk to get an electric shock. •...
2. Installation location 2.4. NECESSARY SPACE TO INSTALL 2.4.1. When installing a single outdoor unit (Refer to the last page) Minimum dimensions are as follows, except for Max., meaning Maximum dimen- sions, indicated. The fi gures in parentheses are for 112/140 models. Refer to the fi...
4. Drainage piping work Outdoor unit pipe connection Optional parts name Model name When drain piping is necessary, use the drain socket or the drain pan (option). Drain socket PAC-SG61DS-E Drain pan for 50/85 PAC-SG64DP-E *There is no optional drain pan for 112/140. 5.
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6. Electrical work 6.2. Field electrical wiring Outdoor unit model 140V 112Y, 140Y Outdoor unit power supply ~/N (single), 50 Hz, 230 V ~/N (single), 50 Hz, 230 V ~/N (single), 50 Hz, 230 V 3N~ (3 phase), 50 Hz, 400 V Outdoor unit Circuit Breaker capacity 16 A 25 A...
7. Test run Before test run • The insulation resistance drops due to the accumulation of refrigerant in the compressor. The resistance will rise above 1 M" after the compressor is ► After installation works are completed, check if there is no refrigerant leak- warmed up for 4 hours.
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Please be sure to put the contact 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, JAPAN Authorized representative in EU: MITSUBISHI ELECTRIC EUROPE B.V. HARMAN HOUSE, 1 GEORGE STREET, UXBRIDGE, MIDDLESEX UB8 1QQ, U.K. BH79D067L02...
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