DeDietrich GT 123 A, Installation And Maintenance Manual

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5
02/10/06 - 94863361 - 85784009D GT 120 A - GT 1200 A
2 Technical specifications of boilers
- CSA - MBH Output based on Thermal Efficiency Test According to
ANSI Z21.13a/CSA 4.9a-2005
- [NET] MBH Output Factor 1.15, Allowance for Piping and Pickup
Losses
- Chamber Resistance Based on Neutral Chimney-Vent Pressure
- Gas Vent Category Based on Several Factors [CO2 content, Vent
Pressure & Net-Flue Gas Temp]
- Approved for Direct-Vent, Use Only Approved Venting as Listed
- Natural Draft Applications, Approved for Type L vent [Gas-Oil] or
Type B Vent [Gas Only]
- Conversion Btu to kW = 3,412 Btu per kW
- All Models are Design Certified & Eligible to Bear Approval Marking
as Shown.
- All Models Certified to Fire; # 2 oil, Natural & Propane Gases.
Consult factory for Available Burners.
- All Models Comply and Certified in Accordance to the latest
Canadian & US standards
- To Obtain Current IBR Ratings, consult their publications and
website.
Item Unit GT 123 A GT 124 A GT 125 A GT 126 A
Firing Sequence Gas-Oil - On-Off - Single Stage Only
[CSA] - Gas Input
MBH 94 115 144 166
kW 27.5 33.7 42.2 48.65
[CSA] - # 2 Fuel Oil Input US GPH 0.65 0.80 1.00 1.15
[CSA] - Output [Gas-Oil]
MBH 78 96 120 138
kW 22.9 28.1 35.2 40.4
[NET] - Output [Gas-Oil] MBH 68 83 104 120
[CSA] - AFUE Effy. % Gas 85% & Oil 87%
Cast Iron Sections # 3 4 5 6
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Water capacity
US Gal 5 6.5 7.9 9.4
Liter 19 24.5 30 35.5
Water resistance
[
∆
t = °F]
18° F
Ft. H
2
O
0.13 0.20 0.30 0.42
27° F
Ft. H
2
O
0.06 0.09 0.14 0.19
36° F
Ft. H
2
O
0.03 0.05 0.08 0.11
Combustion chamber
Dimensions
Diameter
[Equivalent]
Inch 9.45
mm 240
Depth
Inch 12.13 17.13 22.13 27.13
mm 308 435 562 689
Volume
ft
3
0.57 0.74 0.92 1.09
m
3 16.0 21.0 26.0 31.0
MAWP [Water] PSI
ASME IV Rating Class 30 - (60 PSI) [See Canadian Provincial CRN
approvals]
Min. Safety Relief Capacity MBH
78
96 120 138 M
S2NA
Pan
el
Electrical Connection V/P/H 120/1/60
Maximum Temperature [Water]
°F 230
°C 110
Operating Water Temperature Range
°F 104 - 212
°C 40 - 100
Chamber Resistance
Inch w.c. 0.06 0.09 0.09 0.09
mbar
0.15 0.22 0.22 0.22
Gas-Vent Category # I, II - III or IV
Boiler Vent Connection Inch 5 5 5 6
Weight [Dry]
lb 302 357 412 470
kg 137 162 187 213