System design recommendations
Heat pumps
(1) HHP015-019-021-026
(2) HHP030-038-045
NON-
BLEED
NON-
BLEED
NON-
BLEED
BLEED
<3.6 kg
(1)
<5.4 kg
(2)
YES
NO
YES
YES
NO
YES
NO
NO
BLEED
BLEED
NON-
BLEED
BLEED
YES
NO
YES
YES
NO
YES
YES
NO
YES
YES
NO
YES
INDOOR COIL
Expansion device
OUTDOOR COIL
Expansion device
SYSTEM CHARGE
TEST REQUIRED
ACCEPTABLE SUMP
SUPERHEAT
TEMPERATURE
ACCUMULATOR
REQUIRED
SYSTEM CHARGE
TEST REQUIRED
ACCEPTABLE SUMP
SUPERHEAT
TEMPERATURE
ACCUMULATOR
REQUIRED
`
>3.6 kg
(1)
>5.4 kg
(2)
<3.6 kg
(1)
<5.4 kg
(2)
<3.6 kg
(1)
<5.4 kg
(2)
>3.6 kg
(1)
>5.4 kg
(2)
>3.6 kg
(1)
>5.4 kg
(2)
INDOOR COIL
Expansion device
OUTDOOR COIL
Expansion device
0
2
4
6
8
10
12
14
16
18
-25
-20
-15
-10
-5
0
5
10
15
Sump Superheat, K
Floodback Requirement
Saturated Suction Temp. °C
Acceptable
Unacceptable
21
FRCC.PC.017.A2.02
Application Guidelines
