Mitsubishi Electronics 10, 15, 20 PRH-5, 20-L, 8, PRH-5 CONTENTS

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CONTENTS

SAFETY FOR USE-----------------------------------------------------2

A COMPLETE LINE UP-----------------------------------------------4

FEATURES---------------------------------------------------------------5

DESCRIPTIONS --------------------------------------------------------6

MECHANICAL SPECIFICATIONS----------------------------------6

TYPICAL INSTALLATION EXAMPLE------------------------------7

SPECIFICATIONS------------------------------------------------------8

ELECTRICAL DATA----------------------------------------------------9

CAPACITY TABLES---------------------------------------------------10

FAN PERFORMANCE-----------------------------------------------21

NC CURVES------------------------------------------------------------25

OUTLINE DIMENSIONS --------------------------------------------27

WIRING DIAGRAMS-------------------------------------------------29

ELECTRICAL OPERATION FLOW CHARTS------------------41

REFRIGERANT CYCLE SCHEMATICS-------------------------45

SAFETY & CONTROL DEVICES---------------------------------48

ACCESSORY AVAILABILITY --------------------------------------48

PHYSICAL DATA------------------------------------------------------49

INSTALLATION --------------------------------------------------------51

INSTRUCTIONS FOR USE ----------------------------------------54

SPECIFICATION GUIDELINES-----------------------------------57

Specifications subject to change without notice.

Contents

Main CONTENTS SAFETY FOR USE Caution - 2 - Before conducting installation work, please read this ''SAFETY FOR USE'' carefully for Caution - 3 - A COMPLETE LINE UP FEATURES - 5 - High Sensible Cooling Capacity Comfort Heating Highly Efficient Operation MECHANICAL SPECIFICATIONS General Condenser Coils Refrigeration Controls Evaporator Fans Page SPECIFICATIONS - 9 - ELECTRICAL DATA (PRH,PRH-L Only) Heating Cooling PR-5YC CAPACITY TABLES Cooling Capacity (Nominal Air Flow): OPERATION Note1. * Q :COOLING CAPACITY SHC:SENSIBLE HEAT CAPACITY T/I:TOTAL INPUT (Use for low ambient temp. parts): Heating Capacity - 11 - PR-5YC HEATING CAPACITY 0.975 0.988 1.0 1.008 Cooling Capacity (Nominal Air Flow): PR-8YC PRH-8YA-L AIR VOLUME CMM 60 70 80 90 95 (Use for low ambient temp. parts): PRH-8YA-L AIR VOLUME CMM 60 70 80 90 95 L/S 1,000 1,170 1,330 1,500 1,580 COOLING CAPACITY 0.940 0.963 0.987 1.010 1.022 TOTAL INPUT 0.978 0.987 0.996 1.005 1.010 Cooling Capacity (Nominal Air Flow): PR-10YC HEATING CAPACITY 0.992 1.0 1.025 1.050 (Use for low ambient temp. parts): OPERATION - 15 - PR-10YC OPERATION Cooling Capacity (Nominal Air Flow): OUTDOOR DB OPERATION WB - 17 - (Use for low ambient temp. parts): Heating Capacity PPRH-15YA, PRH-15YA-L PR-20YC PRH-20YA Cooling Capacity (Nominal Air Flow): OPERATION PRH-20YA-L - 18 - PR-20YC (Use for low ambient temp. parts): Heating Capacity PRH-20YA, PRH-20YA-L Indoor temp.(CDB) Outdoor temp.(CWB) PRH-YA - 20- Operation range Cooling PR-YC Cooling Heating Cooling Heating PRH-YA-L FAN PERFORMANCE Airflow L/S CMM (CMM) 45 830 PR-10YC PRH-10YA PRH-10YA-L PR-15YC PRH-15YA PRH-15YA-L - 23 - 100 ( / s) PR-20YC PRH-20YA PRH-20YA-L - 24 - Sectional plan of V-belt Pulley outside dimensions are shown below: (Unit : mm) (3) Shape of motor (Unit : mm) 10 CBA (1) Shape of belt groove NC CURVES Note. The measuring point is 1m from the comp. service panel. Note. The measuring point is 1m from the comp. service panel. PR-8YC PRH-8YA PRH-8YA-L - 26 - PR-10YC PRH-10YA PRH-10YA-L PR-15YC PRH-15YA PRH-15YA-L 68db Note. The measuring point is 1m from the comp. service panel. COOLING & HEATING OUTLINE DIMENSIONS PRH-5YA-L - 27 - PR-20YC PRH-20YA PRH-20YA-L - 28 - PR-15,20YC PR-8,10YC PRH-8, 10YA PRH-8, 10YA-L - 29 - WIRING DIAGRAMS PR-5, 8, 10YC (STANDARD) PR-15, 20YC (STANDARD) - 30 - MF1 30CZ1-1,2 Tr (SPECIAL ORDER : K CONTROL) - 31 - - 32 - - 33 - 5.Specification subject to change without notice. 30CZ2-1, 2 Thermostat (ambiemt temp.) PR-15, 20YC (SPECIAL ORDER : K CONTROL & LOW TEMPERATURE) - 34 - PRH-5, 8, 10YA-L (STANDARD) - 35 - PRH-15, 20YA-L (STANDARD) - 36 - MF1 Auxiliary relay (defrost) Auxiliary relay (heater) (SPECIAL ORDER : K CONTROL) - 37 - - 38 - - 39 - Auxiliary relay (check) 30CZ2-1, 2 Auxiliary relay (defrost) High-pressure switch (SPECIAL ORDER : K CONTROL & LOW TEMPERATURE) - 40 - - 41 - ELECTRICAL OPERATION FLOW CHARTS - 42 - PR-15, 20YC - 43 - - 44 - - 45 - REFRIGERANT SCHEMATICS PR-8, 10, 15, 20YC PR-15,20YC or PRH-15,20YA or PRH-15,20YA-L is PRH-8, 10, 15, 20YA - 46 - PR-15,20YC or PRH-15,20YA or PRH-15,20YA-L is PRH-8, 10,15,20YA-L - 47 - PR-15,20YC or PRH-15,20YA or PRH-15,20YA-L is ACCESSORY AVAILABILITY - 48 - SAFETY & CONTROL DEVICES 51F3 2.0A :Factory install :Field install PHYSICAL DATA - 50 - INSTALLATION 1.Clearances 2.Roof Mounting PR-5 10YC PRH-5~10YA PRH-5~10YA-L PR-15,20YC PRH-15,20YA PRH-15,20YA-L 3.Duct Work 4.Drain piping Duct connection with a vertical air plenum Drain trap for condensate TN-NET SYSTEM (For European models only) 6.Final Checks 7.Trial Operation 5.Electrical Wiring INSTRUCTIONS FOR USE 1.CHECK POINTS FOR OPERATION Ground 2.CAUTION FOR USE Keep the following points in mind to safeguard against failures and breakdowns. 3.3 3.MAINTENANCE 3.2 Cleaning panels 4. PREPARING FOR OPERATION AFTER PROLONGED SHUTDOWN If any trouble occurs, turn the operation (start or run) switch off immediately. 5.PREPARING FOR PROLONGED SHUTDOWN 6.TROUBLESHOOTING SPECIFICATION GUIDELINES