Install Instructions

5 of 32 © 2011 D 403 - 07/11
Figure 5 - System Pumps
Figure 6 - Zone Pumps
Boil Sys
DHW
Zone 3
Zone 4
Zone 2
Zone 1
Variable
Speed
115 V (ac)
N1L1 G
115 V (ac)
N2GL2
to pump grounds
to pump grounds
N
N
L
L
Back of House Control 403
Boil Sys Pmp
DHW Pump
Variable
Speed Pump
Pump
Power
Zone 4
Zone 3
Zone 2
Zone 1
Zone Power
(blue)
(red)
(black)
(black)
(red)
(black)
(black)
(black)
(black)
Rear Line Voltage Wiring Diagram
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-------------------------------------------------------------------
Power
Source 2
Zone 4 Pump
Zone 3 Pump
Zone 2 Pump
Zone 1 Pump
Figure 3 - Connect Neutral Wires
for Power Source 2
Figure 4 - Line Voltage
Boil Sys Pmp
Zone 4
Zone 3
Zone 2
Zone 1
DHW Pump
Zone Power
Pump
Power
Variab le
Speed Pump
403
Power
Source 1
Power
Source 2
DHW Pump
Boiler Sys
Pump
V.S. Pump
Boil Sys Pmp
Zone 4
Zone 3
Zone 2
Zone 1
DHW Pump
Zone Power
Pump
Power
Variab le
Speed Pump
403
Power
Source 1
Power
Source 2
Power
Source 2
Zone 4 Pump
Zone 3
Pump
Zone 2
Pump
Zone 1
Pump
Boil Sys Pmp
Zone 4
Zone 3
Zone 2
Zone 1
DHW Pump
Zone Power
Pump
Power
Variable
Speed Pump
403