Mitsubishi Electric PUHY-P250YHM-A, Data Book

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. System Design
1. Outdoor Installation ······································59
(1) Requirement on installation site
(2) Spacing
(3) Piping direction
(4) Weather countermeasure
2. Indoor Installation ·········································68
(1) Requirement on installation site
(2) Spacing
(3) Installing the Indoor Unit
(4) Separating the indoor unit to allow for easy
transportation
(5) Internal diagram
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. Piping design
1. R410A Piping material ··································80
2. Piping Design ················································81
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. Wiring Design
1. External wiring diagram ·······························84
(1) Power supply examples
2. Electrical work ···············································86
(1) Power cable specifications
3. M-NET control ···············································87
(1) Types and maximum allowable length
of cables
(2) Switch settings and address settings
4. An Example of a System to which an MA
Remote Controller is connected ··················89
5. System control ··············································92
(1) System control for the indoor units
(2) System control for the outdoor units
6. Caution for refrigerant leakage ····················98
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. General Cautions
1. Indoor Unit Line-up ·········································1
2. Temperature range ·········································2
3. Notes on selecting equipments ·····················3
(1) Notes on using the Fresh Air Intake type units
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. Indoor Unit
1. Specifications ··················································5
(1) Standard type
(2) Fresh air intake type
2. External dimensions ·······································7
(1) Standard type
(2) Fresh air intake type
3. Center of gravity ···········································13
4. Electrical wiring diagram ·····························14
5. Sound Pressure Levels ································18
6. Vibration levels ·············································21
7. Fan characteristic curves ·····························22
8. Optional parts ················································41
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. Outdoor Unit
1. Specifications ················································42
2. External dimensions ·····································43
3. Center of gravity ···········································47
4. Electrical wiring diagram ·····························48
5. Sound Pressure Levels ································49
6. Optional parts ················································51
(1) Outdoor twinning kit
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. Capacity Tables
(1) Correction by temperature ························52
(2) Correction at frosting and defrosting··········54
(3) Correction by refrigerant piping length
(cooling) (heating) ·····································54
(4) Correction by indoor unit airflow rate
(cooling) (heating) ·····································55
(5) Input correction by capacity ·······················56
(6) Bypass factor ·············································57
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. Controller
1. Local remote controller ································58
(1) MA Remote controller
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