CONTENTS
1 - INTRODUCTION ....................................................................................................................................................................4
1.1 - Check equipment received .....................................................................................................................................................4
1.2 - Installation safety considerations ..........................................................................................................................................4
1.3 - Equipment and components under pressure
.......................................................................................................................
5
1.4 - Maintenance safety considerations .......................................................................................................................................5
1.5 - Repair safety considerations ..................................................................................................................................................6
2 - MOVING AND SITING THE UNIT .....................................................................................................................................7
2.1 - Moving ......................................................................................................................................................................................7
2.2 - Siting the unit ...........................................................................................................................................................................8
2.3 - Checks before system start-up ...............................................................................................................................................8
3 - INSTALLATION .......................................................................................................................................................................9
3.1 - Unit base frame .......................................................................................................................................................................9
3.2 - Sensor connection and location ............................................................................................................................................10
3.3 - Ductwork .................................................................................................................................................................................10
3.4 - Condensate and rainwater drainage
.................................................................................................................................... 12
4 - DIMENSIONS, CLEARANCES, MM .................................................................................................................................. 13
5 - PHYSICAL DATA ................................................................................................................................................................... 21
5.1 - Physical data
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UA units .................................................................................................................................................. 21
5.2 - Physical data
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UH units ................................................................................................................................................. 22
6 - ELECTRICAL DATA ............................................................................................................................................................. 23
6.1 - Electrical data
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UA units ...............................................................................................................................................23
6.2 - Electrical data
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UH units .............................................................................................................................................
.
.. 23
7- APPLICATION DATA ............................................................................................................................................................ 24
7.1 – Belt tension ............................................................................................................................................................................. 24
............................................................................................................................................................ 24
7.3 - Fan performances,
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UA-UH 135-160 .............................................................................................................................25
7.4 - Fan performances,
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UA-UH 180 ................................................................................................................................... 26
7.5 - Fan performances,
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UA-UH 205 ..................................................................................................................................
.27
7.6 - Pressure drop, options (Pa) ................................................................................................................................................... 28
7.7
.................................................................................................................................................................... 30
7.8 - Indoor fan air adjustment ...................................................................................................................................................... 30
8 - ELECTRICAL CONNECTIONS .......................................................................................................................................... 31
8.1 - Control box ............................................................................................................................................................................. 31
8.2 - Power supply ........................................................................................................................................................................... 31
8.3 - Voltage phase imbalance (%)
............................................................................................................................................... 31
8.4 - Recommended wire sections ................................................................................................................................................ 31
8.5 - Field control wiring ................................................................................................................................................................ 32
8.6 - Power supply ........................................................................................................................................................................... 32
9 - START-UP ................................................................................................................................................................................. 32
9.1 - Preliminary checks ................................................................................................................................................................. 32
9.2 - Actual start-up ........................................................................................................................................................................ 32
9.3 - Defrost cycle ....................................................................................................................................................................................32
10 - MAJOR SYSTEM COMPONENTS ................................................................................................................................... 33
10.1 - Compressors .......................................................................................................................................................................... 33
10.2 - Lubricant ............................................................................................................................................................................... 33
10.3 - Condensers ............................................................................................................................................................................ 33
10.4 - Outdoor fans ......................................................................................................................................................................... 33
10.5 -Indoor fans ............................................................................................................................................................................. 33
10.6 - Electronic expansion valve (EXV)
.................................................................................................................................... 34
10.7 - Moisture indicator ................................................................................................................................................................ 34
10.8 - Filter drier ............................................................................................................................................................................. 34
10.9 - Refrigerant ............................................................................................................................................................................ 34
10.10 - Four-way valve (
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UH135-205 heat pumps) .............................................................................................................
.
34
10.11 - Sensors ................................................................................................................................................................................. 34
10.12 - High-pressure safety switch .............................................................................................................................................. 34
5.3 - Gas heater data 48UA/UH units ...............................................................................................................................................22
2
Содержание 48UA-UH 135
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