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
