Panasonic U-8MF1E8 Installation Instructions Manual page 6
3-way system air conditioner
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Also See for U-8MF1E8:
- Operating instructions manual (180 pages) ,
- Service manual (149 pages) ,
- Instruction manual (80 pages)
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CONTENTS
Page
IMPORTANT! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Please Read Before Starting
Check of Density Limit
Precautions for Installation Using New Refrigerant
1. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1-1.
Tools Required for Installation (not supplied)
1-2.
Accessories Supplied with Outdoor Unit
1-3.
Type of Copper Tube and Insulation Material
1-4.
Additional Materials Required for Installation
1-5.
Tubing Length
1-6.
Tubing Size
1-7.
Straight Equivalent Length of Joints
1-8.
Additional Refrigerant Charge
1-9.
System Limitations
1-10. Installation Standards
1-11. Check of Limit Density
1-12. Installing Distribution Joint
1-13. Optional Distribution Joint Kit
1-14. Optional Solenoid Valve Kit
1-15. Example of Tubing Size Selection and Refrigerant
Charge Amount
2. SELECTING THE INSTALLATION SITE . . . . . . . . . . . . . 19
2-1.
Outdoor Unit
2-2.
Shield for Horizontal Exhaust Discharge
2-3.
Installing the Outdoor Unit in Heavy Snow Areas
2-4.
Precautions for Installation in Heavy Snow Areas
2-5.
Dimensions of Wind Ducting
2-6.
Dimensions of Snow Ducting
3. HOW TO INSTALL THE OUTDOOR UNIT . . . . . . . . . . . . 24
3-1.
Transporting
3-2.
Installing the Outdoor Unit
3-3.
Routing the Tubing
3-4.
Prepare the Tubing
3-5.
Connect the Tubing
4. ELECTRICAL WIRING . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4-1.
General Precautions on Wiring
4-2.
Recommended Wire Length and Wire Diameter for
Power Supply System
4-3.
Wiring System Diagram
4-4.
Connecting multiple indoor untits to a single solenoid
valve kit
SUPPLEMENT
5. HOW TO PROCESS TUBING. . . . . . . . . . . . . . . . . . . . . . 33
5-1.
Connecting the Refrigerant Tubing
5-2.
Connecting Tubing Between Indoor and Outdoor
Units
5-3.
Insulating the Refrigerant Tubing
5-4.
Taping the Tubes
5-5.
Finishing the Installation
6. AIR PURGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
■ Air Purging with a Vacuum Pump (for Test Run) Preparation
7. TEST RUN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
7-1.
Preparing for Test Run
7-2.
Test Run Procedure
7-3.
Main Outdoor Unit PCB Setting
7-4.
Auto Address Setting
7-5.
Caution for Pump Down
7-6.
Meaning of Alarm Messages
8. MARKINGS FOR DIRECTIVE 97/23/EC (PED) . . . . . . . . 49
7
1. GENERAL
This booklet briefly outlines where and how to install the
Page
air conditioning system. Please read over the entire set of
instructions for the indoor and outdoor units and make sure all
accessory parts listed are with the system before beginning.
1-1. Tools Required for Installation (not supplied)
1.
Flathead screwdriver
2.
Phillips head screwdriver
3.
Knife or wire stripper
4.
Tape measure
5.
Carpenter's level
6.
Sabre saw or key hole saw
7.
Hacksaw
8.
Core bits
9.
Hammer
10. Drill
11. Tube cutter
12. Tube flaring tool
13. Torque wrench
14. Adjustable wrench
15. Reamer (for deburring)
1-2. Accessories Supplied with Outdoor Unit
Table 1-1 (Outdoor Unit)
Part name
Outer
diameter
ø28.58
Outer
diameter
ø25.4
Outer
Connection tubing
diameter
ø22.22
Outer
diameter
ø19.05
Outer
diameter
ø12.7
1-3. Type of Copper Tube and Insulation Material
If you wish to purchase these materials separately from a local
source, you will need:
1.
Deoxidized annealed copper tube for refrigerant tubing.
2.
Foamed polyethylene insulation for copper tubes as
required to precise length of tubing. Wall thickness of the
insulation should be not less than 8 mm.
3.
Use insulated copper wire for field wiring. Wire size varies
with the total length of wiring. Refer to 4. ELECTRICAL
WIRING for details.
CAUTION
Check local electrical codes and regulations before
obtaining wire. Also, check any specified instructions or
limitations.
1-4. Additional Materials Required for Installation
1.
Refrigeration (armored) tape
2.
Insulated staples or clamps for connecting wire (See your
local codes.)
3.
Putty
4.
Refrigeration tubing lubricant
5.
Clamps or saddles to secure refrigerant tubing
6.
Scale for weighing
Q'ty
Figure
8 hp
10 hp
12 hp
Inner
0
0
0
diameter
ø25.4
Inner
0
0
1
diameter
ø19.05
Inner
diameter
0
1
0
ø19.05
Inner
diameter
0
1
1
ø15.88
Inner
0
0
1
diameter
ø9.52
8
Unit: pcs
14 hp
16 hp
0
1
0
0
1
1
0
0
0
0
hp = horsepower
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