Weil-McLain 2 Series Manual page 55

®
SlimFit Series 2
Field wiring
G. External limits –
To cause MANUAL
1. Remove factory-installed jumper and connect isolated contacts of external limits
across P13 pins 1 and 2 to cause the control to enter manual reset lockout if the
limit circuit opens. The limit must close and the control must be manually reset
using the procedure given in this manual. See drawing at right and wiring diagram
(Figure 52, page 48).
The control will lockout when a limit in its manual reset circuit opens (P13
pins 1 & 2). The control activates its alarm terminals and shuts the boiler
off. An operator (user or technician) must manually reset the control to
resume heating. Cycling power on and off will NOT reset the control.
To cause AUTOMATIC
1. Remove factory-installed jumper and connect isolated contacts of external limits
across P13 pins 3 and 4 to cause the control to shut down the burner on limit open-
ing, then automatically restart 150 seconds after the limit closes.
2. See drawing at right and wiring diagram (Figure 52, page 48).
H. Alarm contacts –
1. The control's alarm dry contact (P16, terminals 4 and 5) closes when the boiler
enters manual lockout only.
2. Connect these terminals for remote alarm notification.
3. Contact electrical ratings: 24 VAC or less; 0.5 amp or less.
Part number 550-100-180/0917
COMMERCIAL CONDENSING GAS
(see
OPTIONAL
OPTIONAL
- — Boiler Manual
FIRED WATER BOILER
(continued)
See Figure 52, page 48 for details
See Figure 52, page 48 for details
See Figure 52, page 48 for details
55