PIPE SIZE – in (mm)
Unit Size (BtuH)
Liquid Line
Suction/Gas Line
9,000
1/4 (6)
1/2 (12)
12,000
1/4 (6)
1/2 (12)
18,000
1/4 (6)
5/8 (16)
CROWN INDOOR UNIT INSTALLATION
Model
A
B
C
CROWN09HP230V1B
37.8 (960)
12.6 (320)
8.0 (205)
CROWN12HP230V1B
37.8 (960)
12.6 (320)
8.0 (205)
CROWN18HP230V1B
37.8 (960)
12.6 (320)
8.0 (205)
3 1/2
27
7 3/8
3 1/8
2
INDOOR UNIT DIMENSIONS – in (mm)
Crown Unit Mounting Bracket Diagram (inches)
9K, 12K and
18K Unit
Crown
8
A
C
B
3.5
27.0
7.1
3.1
2.0
2.8
2.8
Left
Right
(Rear piping hole)
(Rear piping hole)
Using Vacuum Pump
(con’t):
5. Evacuate using either deep vacuum or triple evacuation method.
6. After evacuation is complete, fully close the low side of manifold gauge and stop
operation of vacuum pump.
7. Disconnect charge hose from charge connection of the low side service valve.
8. Fully open service valves B and A.
9. Securely tighten caps of service valves.
Additional Charge
TESTING AND INSPECTION
33
Unit Size
Total Piping Length ft (m)
18,000
33 (10)
24,000
98 (30)
30,000
131 (40)
36,000
131 (40)
42,000
131 (40)
The outdoor unit is shipped with a full charge of R-410A refrigerant
for the following total piping lengths:
For pipe runs over this limit, add 0.2 oz/ft (20 g/m) of additional refrigerant.
TWD-1518 install_printer.qxp_Layout 1 3/22/17 9:41 AM Page 19