ECR International UTICA BOILERS MACF-115, Installation, Operation And Maintenance Manual

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4
DIMENSIONS
SYSTEM
When boiler is operating at maximum operating temperature, providing heating with all heat emitters operating, pressure
gauge should not indicate more than 26.11 psi / 1.80 bar. If reading exceeds this figure larger expansion tank is required.
PHYSICAL DATA
DIMENSIONS 75 / 100 / 125 115 / 150 165 / 205
A
Height (Bottom of boiler top of safety Valve) 43.65" [1.09 m]
B
Overall Width with Manifold 24.70" [628 mm]
C
Depth 17.46” [444 mm] 23.55” [598 mm]
D
Condensate Trap Connection 3/4" [19.1 mm] NPT
E
System Supply
11/4” [31.75 mm]
Sweat Connection
11/2” [38.1 mm]
Sweat Connection
F
DHW Outlet (100 & 125 optional)
3/4” [19.1 mm]
Copper Sweat
1/2” [15.9 mm]
Copper Sweat
165-NA
205 - 3/4” [19.1 mm]
G
Gas Connection
3/4” NPT [19.1 mm]
H
DHW (Cold Water) Inlet N/A
1/2” [12.7 mm]
Copper Sweat
165 - N/A
205 - 3/4” [19.1 mm]
I
Boiler Return
3/4” [19.1 mm] 1” [38.1 mm]
Boiler Filling Connection
External to Boiler
Primary Water Content 0.95 gal [3.60 L] 1 gal [3.80 L] 11/4 gal [4.73 L]
Central Heating (Sealed System) 75 /100 / 115 / 125 / 150 / 165 / 205
Heat Exchanger Max Allowable Working Pressure 50 psi [3.45 bar]
Max System Pressure 43 psi [2.96 bar]
Min System Pressure 7.25 psi [ 0.50 bar]
Max System temperature 176°F [80°C]
Pressure Relief Valve Setting 30 psi [2.11 bar]
Expansion Tank Minimum Size (pre-charge press.)
(75/100/115)
1.5 gal at 11.6 psi
[7.0 L at 0.8 bar]
(125/150/165/205)
2.2 gal at 11.6 psi [10.0 L at 0.8 bar]
Recommended System Pressure (cold) 12 psi [0.83 bar]
Domestic Hot Water 115 150 205
Max Inlet Water Pressure 116 psi [8 bar]
Min Inlet Water Pressure 2.9 psi [ 0.2 bar]
Min DHW Flow Rate to Activate 0.65 gpm [2.10 L/min]
Max DHW Temperature 140°F [60°C]
DHW Flat Plate Water Content 0.035 gal [0.13 L] 0.053 gal [0.23 L] 0.10 gal [0.37 L]
240013503 REV A, [03/15/2022]