SECTION 14: E
LECTRICAL
61 of 143
FIGURE 44: Wirin
g
Dia
g
ram for Gas-Fired, Sin
g
le Propeller Fan Air Turnover Unit with XL-Compliant
Manifold and Hi
g
h/Low/Off Burner with Input Less Than 1,000 MBH (293.1 kW)
UNIT ON/OFF INTERLOCKS
HIGH LIMIT
SECOND STAGE
FIRST STAGE CONTROL
TWO STAGES
CONTROL RELAY CONTACT
RELAY CONTACT
SWITCH
FLAME ROD
(1st Stg)
DUCT STAT**
(2nd Stg)