LAARS Mini-Combo II MCS - Install and Operating Manual - Manual (Page 4)

Page 4 LAARS Heating Systems
B
54
1372
C
Vent Damper*
Tank
Relief Valve
Tank
Aquastat
Drain
Valve
24
610
A
CL
Hot
Water
Tank
Outlet
Inlet
28
711
FRONT VIEW SIDE VIEW
24 1 /
2
622
(Sizes 50 & 25)
25 635
(Size 75 &
100)
7
178
Mounted
Pump
System
Check Valve
Check Valve
Mini-Therm
Boiler
(50-125)
24
610
31
787
Boiler Approx.
MC A B C In/Out Gas Inlet/Outlet Weight
Size inches mm inches mm inches mm NPT NPT NPT lbs. kgs
50 58¾ 1492 12½ 318 4 102 1¼ ½ ¾ 258 117
75 58¾ 1492 12½ 318 5 127 1¼ ½ ¾ 274 124
100 59¾ 1518 14¼ 362 5 127 1¼ ½ ¾ 280 127
125 59¾ 1518 14¼ 362 6 152 1¼ ½ ¾ 286 130
Domestic
Figure 1. Dimensional Information.
Figure 2. Closet Installation.
7
178
Figure 4. Typical Expansion Tank Installation.
Figure 3. Piping Schematic.
Top Clearance
28
711
2
51 24
610
23 584
4 102
6 152
Dimensions
shown in inches
mm.
Cold
Water
Supply
Hot
Water
Supply
Minimum clearances from
combustible surfaces:
in. mm
left side 2 51
right side 0 0
rear 6 152
front 4 102
top 23 584
Service clearances:
allow 4 102 on each side
for piping access.
Space Heating -
Refer to Document 1025
Dimensions shown
in inches mm.
24
610
*Vent damper is optional on some Canadian units.