50 mm – Roberts Gorden Vacuum Assisted Linear User Manual
Page 26

B
LACKHEAT
®
I
NSTALLATION
O
PERATION
AND
S
ERVICE
M
ANUAL
20 of 74
Step 6.4.1 Coupling and Tube Assembly (Continued)
Step 6.4.2 Coupling and Tube Assembly (Continued)
Incorrect Slide Bar
position
Correct Slide Bar
dimensions
± 50 mm
Drive slide bar until tight.
End of slide bar should be
within tolerance listed below.
• Repeat
Step 6.4 A - D until all tubes are assembled. See Page 20, Section 6.4.2 shown below.
Tighten slide bar as shown below.
3050 mm Typ
± 250 mm
2290 mm
± 250 mm
Total Overall
Tube Length
Weld spot
at end of
heat exchanger
Model
Overall Tube Length (mm)
Number
of Tubes
BH15ST
6,000
2
BH20ST
9,000
3
BH25ST/EF
9,000
3
BH30ST/EF
12,000
4
BH35ST/EF
12,000
4
BH40ST/EF
12,000
4
BH45ST/EF
15,000
5
BH50ST/EF
15,000
5
BH55ST
18,000
6
This manual is related to the following products:
- Double Linear U-Tube and Multi-Burner Gas Fired Heating Systems BH15ST BH20ST and Multi-Burner Gas Fired Heating Systems BH45UT/EF and Multi-Burner Gas Fired Heating Systems BH70DL/EF and Multi-Burner Gas Fired Heating Systems BH25ST/EF and Multi-Burner Gas Fired Heating Systems BH45ST/EF and Multi-Burner Gas Fired Heating Systems BH25UT/EF and Multi-Burner Gas Fired Heating Systems BH50UT/EF and Multi-Burner Gas Fired Heating Systems BH40ST/EF and Multi-Burner Gas Fired Heating Systems BH40DL and Multi-Burner Gas Fired Heating Systems BH60DL/EF and Multi-Burner Gas Fired Heating Systems BH30DL and Multi-Burner Gas Fired Heating Systems BH40UT/EF and Multi-Burner Gas Fired Heating Systems BH15UT and Multi-Burner Gas Fired Heating Systems BH30ST/EF and Multi-Burner Gas Fired Heating Systems BH50ST/EF BH55ST and Multi-Burner Gas Fired Heating Systems BH35ST/EF