Weil-McLain UO-3 CV - Manual (Page 15)

Page 14 6104BAFG R0
6
GeniSys Model 7505 Control Wiring
Display Module:
For programming and
diagnostics
Alarm Module:
For adding isolated
low voltage alarm
contacts to the base
control. See Alarm
Module Instructions for
specifi cations.
Figure 10.
The control can malfunction if it gets wet,
leading to accumulation of oil or explosive oil
vapors.
Never install where water can fl ood, drip or
condense on the control.
Never use a control that has been wet - replace it. y
y
y
Can cause severe injury, death, or
property damage.
Fire or Explosion Hazard
Cad Cell
Connections
Wiring
Connections
Communication Port 2
Reset Button
with Red Light Green Light
Yellow Light
Communication Port 1
Thermostat Terminals
Burner Controls
Features
Thermostat / Operating and Limit Control Compatible
Welded Relay Protection
Limited Recycle
Limited Reset
3 Status Lights
Valve-On Delay / Motor-Off Delay (Field
programmable with 52067 GeniSys Display)
15 Second Lockout Time
Interrupted or Intermittent Duty Ignition
Technician Pump Priming Mode
Disable Function
Cad Cell Resistance Indicator
Communication Ports
•
•
•
•
•
•
•
•
•
•
•
•
Follow the appliance manufacturer’s wiring
diagrams and note all required safety controls.
Typical safety controls include high temperature
or pressure limits, low water cutoffs, pressure
relief valves and blocked fl ue sensing switches.
Verify all limit and safety controls are installed
and functioning correctly, as specifi ed by the
manufacturer, applicable safety standards,
codes and all authorities having jurisdiction.
Ensure that the appliance is free of oil and oil
vapor before starting or resetting the burner. y
y
y
y
All heating appliances must have
HIGH LIMIT protection to interrupt
electrical power and shutdown the
burner if operating or safety controls
fail and cause a runaway condition.
Explosion, Fire, Scald,
and Burn Hazard
Incorrect Wiring Will Re-
sult in Improper Control
Operation
GeniSys wiring label colors may not match the
wire colors of the burner or other manufacturers’
controls.
The GeniSys Control should be wired according
to the appliance manufacturer’s instructions. y
y