Aprilaire model 800 FOR 208 OR 240 VOLT INSTALLATIONS REMOVE N-L2 JUMPER, Wiring Diagram

INSTALLATION INSTRUCTIONS (continued)

Figure 6 – Wiring Diagram

MAIN POWER SWITCH (NOT PROVIDED)

TERMINAL

BLOCK

JUMPER GROUND

L1 N L2

RED

FOR 120V INSTALLATION, CONNECT POWER TO L1 AND N WITH N-L2 JUMPER IN PLACE (PROVIDED).

FOR 208 OR 240 VOLT

INSTALLATIONS,

REMOVE N-L2 JUMPER,

AND CONNECT POWER TO L1, N, AND L2

RED		BLK
6	8
POWER RELAY CONTACTS		BLK
2	4

AUTOMATIC DIGITAL HUMIDITY CONTROL (PROVIDED)

FAN PACK (OPTIONAL)

	BLK		120V AC			WHT
					TRANSFORMER
YEL/WHT					75VA	YELL
			24V AC
CONTROL PCB CURRENT SENSING PCB
BLU	J11-1			J1-1
WHT	J11-2	+24V DC		J1-2
BLU	J13-1			J3-1
WHT	J13-2	+24V DC		J3-2
		BLK		J2
				J4	HIGH LEVEL PROBE
		HUMIDISTAT
	J12-1
	J12-2
+24V AC	J1-1
		FAN
COM
	J1-2
				POWER RELAY COIL
BRN	J7	24V AC
				1	0
BRN	J8	COM
YEL	J6-1	24V AC
		COM		FILL VALVE
YEL	J6-2
BLK	J4	24V AC
		COM		DRAIN VALVE
BLK	J3
YEL/WHT	J2	24V AC
		COM		SAFETY SWITCH
ORG	J5					YEL
	J10-1
				RIBBON CABLE
	J10-2

YEL

WATER LEVEL

PROBE

ELECTRODE ELECTRODE

STEAM CYLINDER

HIGH VOLTAGE WIRING

CONTROL CIRCUIT WIRING

DISPLAY PANEL FIELD WIRING

STATIC

DISCHARGE

GROUND

90-1515

10