Eco-King HWB-299, Installation And Service Manual

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E93.1801EN171 HWB installation manual 17
Technical specifications datasheet
GENERAL
Water heater, category - IV
Water heater model HWB-299 HWB-399 HWB-499
Dimensions (h x w x d) inch (mm) 33.3 x 17.3 x 20.9 (845 x 440 x 530)
Water content (estimated)
Gallon (liter)
1.32 (5.0) 2.19 (8.3) 2.74 (10.4)
Weight (empty)
Lbs. (kg)
169 (77) 183 (83) 187 (85)
Supply /return connection
(boiler) inch
NPT 1 ½” NPT 1 ½” NPT 1 ½”
Gas connection
inch
NPT 1” NPT 1” NPT 1”
Flue and air connection
inch (mm)
4” (100) 4” (100) 6” (150)
WATER HEATING Values Low fire - High fire:
Input gross natural gas MMBTUS/hr 60 / 295 80 / 396 98 / 474
Input gross natural gas kW 17.6 / 86.5 23.4 / 116 28.7 / 139
Input gross propane MBTU/hr 60 /294 80 / 397 98 / 473
Input gross propane kW 17.6 / 86.1 23.4 / 116 28.7 / 139
Thermal efficiency natural gas
ANSI Z21.10.3-2015-CSA 4.3-2015
%
96.8 95.6 97.4
Thermal efficiency propane
ANSI Z21.10.3-2015-CSA 4.3-2015
% 95.5 95.8 95.4
Turndown ratio 1:x 5 5 5
Recovery rating @ 100 °F rise gal/h 319 428 513
GAS CONSUMPTION Values Low fire - High fire:
Natural gas
ft
3
/h
m
3
/h
54.8 - 274
1.6- 7.8
74.3 - 368
2.1 - 10.4
91.0 - 441
2.6 - 12.5
Propane 1
ft
3
/h
m
3
/h
23.6 - 118
0.7 - 3.3
32.0 - 159
0.9 - 4.5
39.2 - 190
1.1 - 5.4
Gas supply pressure
nominal
2
Nat. gas inch WC (mbar) 7.0 (17.4)
Propane inch WC (mbar) 11.0 (27.4)
NOTES
1
Using propane, maximum fan speed needs to be reduced
2
Min. and max. gas supply pressures:
p nom inch W.C. (mbar) p min inch W.C. (mbar) p max inch W.C. (mbar)
Natural gas 7.0 (17.4) 3.5 (8.7) 10.5 (26.2)
Propane 11.0 (27.4) 8.0 (19.9) 13.0 (32.4)