Honeywell AQ25A Series Technical Reference Booklet page 158

AQ25400B "ADD-A-TEMPERATURE" EXPANSION CONTROL PANEL
120V TO
ELECTRICAL
PANEL
69-1987—02
STEP 1
24 VAC TO
EXPANSION
ZONING PANELS
(IF INSTALLED)
STEP 5
Fig. 4. Wiring sequence.
STEP 2
FLOATING
ACTION
VALVE
SECONDARY
SENSOR
10 VDC
SECONDARY
INJECTION
LOOP PUMP
PUMP
120V TO
EXPANSION
AUX DEVICE
ZONING PANELS
(OPTIONAL)
(IF INSTALLED)
STEP 4
6
STEP 3
FACTORY WIRING
(LOW VOLTAGE)
FIELD WIRING
(LOW VOLTAGE)
FACTORY WIRING
(LINE VOLTAGE)
FIELD WIRING
(LINE VOLTAGE)
M27809A