Heatcraft Refrigeration Products BHG Benutzerhandbuch
19
nozzle Selection
table 17. Standard nozzle Selections
*Also suitable for R-507, R-502, R-134A, R-401A, R-402A
Nozzles sized for 90-100°F liquid temp. at expansion valve. Refer to manual H-IM-64 if liquid temp. is not 90-100°F
Consult Bohn Application Engineering if evaporator TD is not 10° - 15°F, (room temp. - saturated suction temp.)
type
no. of
Fans
Distributor tube (in.)
Model
no. of
Circuits
r-404a*
nozzle
r-
nozzle
oD
Length
BHA
Air
Defrost
2
3/16
25.5
520
14
E-4
E-2-1/2
2
3/16
25.5
630
14
E-5
E-3
3
3/16
25.5
750
21
C-6
C-4
3
3/16
25.5
850
28
C-6
C-4
4
3/16
25.5
930
21
C-8
C-4
4
3/16
25.5
1100
28
C-10
C-5
3
3/16
28
1170
25
C-10
C-5
3
3/16
28
1400
34
A-12
A-8
3
3/16
21.5
1610
19 x 2
C-6 x 2
C-4 x 2
3
1/4
32
1900
24
C-17
C-12
3
1/4
32
2160
19
C-20
C-12
4
1/4
32
2200
21
C-20
C-12
4
1/4
32
2440
32
A-20
A-15
4
1/4
32
2550
21
C-20
C-15
4
1/4
32
2780
24
C-25
C-17
BHE/BHL
Electric
Defrost
2
3/16
25.5
400/450
14
E-5
E-3
2
3/16
25.5
480/550
14
E-8
E-4
3
3/16
25.5
560/640
21
C-8
C-5
3
3/16
25.5
650/740
28
C-10
C-5
4
3/16
25.5
710/810
21
C-12
C-6
4
3/16
25.5
840/950
28
C-15
C-8
3
3/16
28
890/1020
25
C-15
C-8
3
3/16
28
1050/1200
34
A-17
A-10
3
3/16
21.5
1220/1390
19 x 2
C-10 x 2
C-5 x 2
3
1/4
32
1440/1650
24
C-20
C-17
4
1/4
32
1860/2120
32
A-30
A-20
BHG/BHF
Hot Gas
Defrost
2
3/16
25.5
400/450
14
E-5
E-3
2
3/16
25.5
480/550
14
E-6
E-4
3
3/16
25.5
560/640
21
C-8
C-5
3
3/16
25.5
650/740
28
C-10
C-5
4
3/16
25.5
710/810
21
C-12
C-6
4
3/16
25.5
840/950
28
C-12
C-8
3
3/16
28
890/1020
25
C-15
C-10
3
3/16
28
1050/1200
34
A-17
A-12
3
3/16
21.5
1220/1390
19 x 2
C-10 x 2
C-4 x 2
3
5/16
19.5
1440/1650
16 x 2
C-12 x 2
C-8 x 2
4
5/16
19.5
1860/2120
16 x 2
C-15 x 2
C-10 x 2
Caution: refrigeration system will not perform properly without Correct nozzle!