Install Instructions

Part number 550-100-321/0520
4
Instructions for Wiring the System Circulator
Figure 9 Wiring Kit
Figure 8 Control module open
Figure 10 Kit wiring plugged into control module
5. Close the control module housing, with wiring kit routed
from the opening at bottom side. See Figure 11.
Figure 11 Wiring (Red/Black) in exiting from PCB
CONNECTIONS (A – E)
A — Relay header to control module PCB
B — Ground to inside bottom panel
C — To Boiler Power Supply Wire
D — To power wire into control module
E — Terminal Strip to Pump: Hot / Neutral / Ground
6. Locate and disconnect the wire connector between the con-
trol module and the external 120VAC power supply cable
Figure 12 Disconnect Boiler Power Supply Cable
4. Plug the wring kit (Connection A) into the control. See
Figures 8 and 10.
Side tabs
A
B
C
D
E
Inline
Fuse
Holder
Incoming
Power
Cable