19
ENGLISH
Pattern 3
HR1
48 k
48 k
48 k
48 k
1
2
3
4
• The maximum total capacity of indoor
units is 56.4 kW(192 kBtu/h).
Pattern 4
12 k
12 k
12 k
12 k
1
2
3
4
• The maximum total capacity of a branch
pipe of HR unit is 14.1 kW(48 kBtu/h).
HR1
B
Pattern 5
HR1
48 k
48 k
A
1
2
HR2
48 k
48 k
3
4
HR1
24 k
24 k
24 k
12 k
12 k
B
Pattern 6
A
A
A
1
2
3
4
5
Pattern 8
A
A
• * : Maximum indoor units per a branch are 8 indoor units
HR1
48 k
48 k
1
2
HR2
*
B
12 k
12 k
12 k
12 k
3
4
5
6
24 k
7
24 k
8
Pattern 7
HR1
A
48 k
48 k
1
2
• * : Serial connection of HR units : Capacity sum of indoor units ≤ 56.4 kW (192 kBtu/h)
HR2
48 k
48 k
3
4
HR3
48 k
48 k
5
6
*
• Pipe installation from outdoor units to HR units
: 3 pipes(Low pressure Gas pipe, High pressure Gas pipe, Liquid pipe)
• Pipe installation from HR units to indoor units
: 2 pipes(Gas pipe, Liquid pipe)
B
A
1
HR1
Outdoor
Unit
Indoor Unit
Y Branch pipe
Low pressure Gas pipe
High pressure Gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Head Branch pipe
Indoor
Unit
Keep the 40 m (131 ft) distance from the first branch to the farthest
indoor.
5 m(16 ft)
15 m(49 ft)
1) under 40 m (131 ft)
Keep the sum of indoor capacity under 56.4 kW(192 kBtu/h).
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
1) under 40 m (131 ft)
Y branch
Keep the sum of indoor capacity under 56.4 kW(192 kBtu/h).
For Heat Pump System Installation
Preparation Work
- Use Knock Outs of Base Pan of the outdoor unit for Left/Right or
Bottom pipe drawing outs.
Knock Out for
Liquid pipe
Knock Out for low
pressure gas pipe
Knock Out for high
pressure gas pipe
Knock Out for
communication cable
Removal area for pipes
bottom side connections.
Knock Out for
power supply cable
