Medium-sized gas boiler
57
2) Steel boiler
Model
Classification
535GPD 535GPS 735GPD 735GPS
Heating output
kcal/h
(kW)
50,000
(58.1)
50,000
(58.1)
70,000
(81.3)
70,000
(81.3)
Hot water output
kcal/h
(kW)
50,000
(58.1)
-
70,000
(81.3)
-
Hot water supply
capacity
(
△
40
℃
)
ℓ
/min
21
-
29 -
Purpose
Combi Heating only Combi Heating only
LNG
%
92.6 92.7 92.8 92.8
Efficiency
(Total)
LPG
%
92.6 92.7 92.8 92.8
Fuel
City gas (13A), LP gas
Maximum allowable
working pressure
kgf/cm
2
(MPa)
3.5 (0.343)
Heat transfer area
m
2
2.34 3.10
Heating area
m
2
100 100 140 140
Volume of pipe water
ℓ
56 63 72 85
Weight
kg
151 146 180 173
Power supply
1
φ
, 220V, 50Hz
Burner Model no.
KPG-50A KPG-70A
Power consumption
W
143 208
Gas pressure
mmH
2
O
LP gas: 280
±
50, LNG : 200
+50
-100
Fuel consumption
LNG : 61,000kcal/h(70.9kW),
LPG : 5.1kg/h(70.9kW)
LNG : 84,000kcal/h(97.6kW),
LPG : 7kg/h(97.6kW)
Width
mm
547 547
Depth
+
Burner
mm
850 838
Prod
uct
size
Height
mm
1,148 1,410
Heating inlet
·
outlet
A
40 40 40 40
Drain
A
40 40 40 40
Discharge
outlet
A
40 40 40 40
Hot water
inlet
·
outlet
A
20
-
20
-
Pipi
ng
size
Gas inlet
A
15
Flue size
φ
148
Exhaust gas
℃
250 or less
※
The specifications presented in this manual is subject to change without notice for quality improvement.