0..,A. _[,_
CONTROL P L UG
BOARD B RN
] WHT
STEP VlO
S,EP_--[_P_GRY
TO
0..T_w,O,_--_£t_--_
,- .................1 __t_ I
_,_ _iI__ _
SINGLE POINT I<IT l
I
:" J
I I RELAY 1
i_ I I L_ _--B_--BRN--¢I EL1 AUTO LIMIT
I BLK YEL
I
I I I
]! I RELAY 2 I
i I I
I "_-- -- --_--BRN-- _ EL2 AUTO LIMIT
I _BL_' _ _ YEL
I I RELAY_ , I
_-I---_-_RN-+ EL_ AUTOLIMIT
___L_,-- YEL--I
I I
I RELAY 4 I l
!---_-ORN-= EL,AUTOLIMITI
_BLK -- YEL -_1
Fig. 17 - Single-Phase Accessory Electric Heater Wiring
A05209
IO UNIT POWER
WIRING
2 W3 VIOLET
S,EP ................[::Z,3 __ _ = g
,,
WIRING 24VAC [ [ NR3 _1 "
EL_ AUTO-LIMIT BLUE •
Q$
EL3 AUTO=L _N_T
• _ . BLACK J
Fig. 18 - Three-Phase Accessory Electric Heater Wiring
L1
L2
L3
A06327
15