Heat Transfer MODCON VWH 300 LP Installation & Maintenance page 11

DIMENSIONS
FLOW SWITCH
LEFT SIDE
(MOD CON 300)
ACCESS PANEL
A
B
C
D
E
RIGHT SIDE
(MOD CON 500/850)
VWH
A
MODEL
MOD CON
20.00" 6.25"
300*
MOD CON
20.00" 6.25"
500*
MOD CON
20.00" 6.75"
850*
NOTE: ALL DIMENSIONS ARE APPROXIMATE AND HEIGHTS DO NOT INCLDE ADJUSTABLE LEGS.
*VWH DENOTES HOT WATER SUPPLY BOILER / LP DENOTES PROPANE / HL DENOTES HIGH/LOW GAS PRESSURE SWITCH.
BTU/HR Gross
VWH
INPUT Output
MODEL
LOW FIRE BTU/hr
MOD CON
60,000-301,000 283,000
300*
MOD CON
100,000-500,000 470,000
500*
MOD CON
170,000-850,000 799,000
850*
Figure 3-1
GAS-FIRED HOT WATER SUPPLY BOILER
POWER SWITCH
HOT WATER
OUTLET
F
GAS LINE
CONDENSATE
DISCHARGE
EXHAUST
AIR INTAKE
B C D D
10.25" 14.50" 26.00"
13.25" 14.50" 33.30"
16.25" 18.75" 43.50"
Net I=B=R Thermal
BTU/hr Efficiency
245,000 94%
409,000 94%
695,000 94%
FRONT
(ALL MODELS)
DISPLAY PANEL
G
LEGS ADJUST
1-1/4"-3"
REAR
(ALL MODELS)
ACCESS PANEL
M
F J G
5.15" 35.75" 20.50"
5.15" 41.75" 20.50"
20.00" 66.75" 20.50"
Boiler Supply/Return Gas
Water Connection Conn.
2.9 1-1/2" 1-1/4"
4.2 2" 1-1/2"
5.8 2" 2"
Boiler Manual
RIGHT SIDE
(MOD CON 300)
ELECTRICAL BOX
N
J
LEFT SIDE
(MOD CON 500/850)
ELECTRICAL BOX
H K L M
36.00" 25.50" 8.25" 10.50
36.00" 25.50" 8.25" 10.50
36.00" 25.50" 8.25" 10.50
High Low
Vent Ship
Fan Fan
Dia. Wt.
Speed Speed
4" 410 5500 1250
4" 505 6930 1250
6" 580 5400 1500
LP-205-C Rev. 6/23/09
K
L
N
26.50
34.00
57.50
Fan Speed
at Ignition
3000
3000
3000
10