Operation Manual
12
GT 530A DDR_G30A/AE _IO_V4.0 09/2013
Technical Specication
GT 530A and GT 530AE
(1) Boiler Supply 5” ANSI 150# welded neck ange
(2) Boiler return, 5” ANSI 150# welded neck ange
(3) Drain, 3/4” NPT
Note: additional tappings may be required if redundant controls are required
Item
Boiler Model GT 530A Boiler Model GT 530AE
-15 -16 -17 -18 -19 -20 -21 -22 -23 -24 -25 -26 -27 -28 -29 -30 -31 -32
A
Inch 98.19 102.56 106.93 112.68 117.05 122.99 127.36 131.73 136.1 140.47 144.84 154.37 158.74 163.11 167.48 171.85 176.22 196.65
mm 2,494 2,605 2,716 2,862 2,973 3,124 3,235 3,346 3,457 3,568 3,679 3,921 4,032 4,143 4,254 4,365 4,476 4,995
B
Inch 34.14 34.14 34.14 34.14 34.14 34.14 34.14 34.14 34.14 34.14 34.14 37.14 37.14 37.14 37.14 37.14 37.14 37.14
mm 791 791 791 791 791 791 791 791 791 791 791 943.35 943.35 943.35 943.35 943.35 943.35 943.35
C
Inch 58.58 58.58 58.58 59.2 59.2 59.2 59.2 59.2 59.2 59.2 59.2 62.2 62.2 62.2 65.0 62.2 62.2 62.2
mm 1,488 1,488 1,488 1,504 1,504 1,504 1,504 1,504 1,504 1,504 1,504 1,579 1,579 1,579 1,579 1,579 1,579 1,579
D
Inch 7.40 7.44 8.26 9.29 10.19 8.19 8.22 9.05 9.09 9.92 9.96 18.74 15.23 15.27 16.10 13.77 12.63 13.46
mm 188 189 210 236 257 208 209 230 231 252 253 476 387 388 409 320 321 342
ØE
Inch 5.5 5.5 5.5 6.26 6.26 6.26 6.26 6.26 6.26 6.26 6.26 5.5 5.5 5.5 5.5 5.5 5.5 5.5
mm 139.7 139.7 139.7 159 159 159 159 159 159 159 159 139.7 139.7 139.7 139.7 139.7 139.7 139.7
ØF*
Inch 15.75 15.75 15.75 15.75 15.75 15.75 18 18 18 18 18 20 20 20 20 20 20 20
mm 400 400 400 400 400 400 450 450 450 450 450 500 500 500 500 500 500 500
H
Inch -1.22 -1.18 -0.354 -0.315 0.512 -1.417 -1.378 -0.551 -0.512 0.315 0.354 1.02 -2.48 -2.44 -1.61 -5.11 -5.07 -4.25
mm -31 -30 -9 -8 13 -36 -35 -14 -13 8 9 26 -63 -62 -41 -130 -129 -108
K
Inch 0.748 0.709 0.118 0.157 0.984 -0.945 -0.905 -0.0787 -0.0394 0.787 0.827 1.81 1.69 -1.65 -0.82 4.33 4.29 -3.46
mm -19 -18 3 4 25 -24 -23 -2 -1 20 21 46 -43 -42 -21 -110 -109 -88
L
Inch 88.39 92.72 96.26 100.59 104.13 112.01 116.34 119.88 124.21 127.76 132.09 138.8 142.3 146.6 150.2 1540.5 158.0 162.4
mm 2,245 2,355 2,445 2,555 2,645 2,845 2,955 3,045 3,155 3,245 3,355 3,445 3,645 3,755 3,845 4,045 4,155 4,170
M
Inch 65.75 65.75 65.75 65.75 65.75 65.75 65.75 65.75 65.75 65.75 65.75 68.75 68.75 68.75 68.75 68.75 68.75 68.75
mm 1,670 1,670 1,670 1,670 1,670 1,670 1,670 1,670 1,670 1,670 1,670 1,746 1,746 1,746 1,746 1,746 1,746 1,746
N
Inch 42.52 42.52 42.52 42.52 42.52 42.52 42.52 42.52 42.52 42.52 42.52 45.52 45.52 45.52 45.52 45.52 45.52 45.52
mm 1080 1080 1080 1080 1080 1080 1080 1080 1080 1080 1080 1156 1156 1156 1156 1156 1156 1156
R
Inch 7.87 7.87 7.87 7.87 7.87 7.87 7.87 7.87 7.87 7.87 7.87 10.87 10.87 10.87 10.87 10.87 10.87 10.87
mm 200 200 200 200 200 200 200 200 200 200 200 276 276 276 276 276 276 276
P
Inch 32.09 32.09 32.09 32.09 32.09 32.09 32.09 32.09 32.09 32.09 32.09 35.09 35.09 35.09 35.09 35.09 35.09 35.09
mm 815 815 815 815 815 815 815 815 815 815 815 891.28 891.28 891.28 891.28 891.28 891.28 891.28
F*- Nominal length. Consult vent supplier for correct sizing.
(4) 1/2” NPT port for temperature and pressure gauge
(5) 3/4” NPT port for low water cut-off control (LWCO)
(6) 2# NPT tapping for safety Relief valve.
R
46
5










