System Application Drawings

Number of Boilers
(1, 2, 3, or 4)
Boiler Series
(M = M-Series)
Boiler Type
• C = Combi
• S = Solo
Hydraulic Separation Method
• LLH = Low Loss Header
• PS = Primary/Secondary
Zone Description
• A = Air Handler
• B = Baseboard
• BR = Baseboard and Radiant
• CR = Cast Iron Radiator
• HX = Heat Exchanger
• I = Indirect Tank
• LLH = Low Loss Header
• XX = Zone Not Specified
• O = Oxygen Permeable Piping
• PR = Panel Radiator
• P = Pool Heating
• PS = Primary/Secondary
• R = Radiant
• SH = Space Heating
• SM = Snow Melt
• ZP = Zone Pump
• ZV = Zone Valve
Number of Zones
(1, 2, 3, or 4)
S 1
M
-
2
-
BR
PS
-
Example:
1M-S-2BR-PS
M
W
-
2 S
Boiler Series
(M = M-Series)
W = Wiring
Diagram
Number of Boilers
(1, 2, 3, or 4)
Zone Description
• I = Indirect Tank
• SH = Space Heating
• ZP = Zone Pump
• ZV = Zone Valve
Boiler Type
• C = Combi
• S = Solo
Number of Zones
(1, 2, 3, or 4)
-
2
ZP
-
I
I = Indirect Tank
(Optional)
Example:
MW-2S-2ZP-I
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