Wiring Guide

49
Multiple HAFC’s and Switching Relay
TO: "TT" ON BOILER
H
N
120 VAC
INPUT
FOUR ZONE SWITCHING RELAY
120 VAC CIRCULATORS
ZC
INPUT
120 VAC
ZONE 1 ZONE 2 ZONE 3 ZONE 4
ZONE1
ZONE2
ZONE3
SR 504-4
FUSE
6 AMP
FUSE
6 AMP
FUSE
6 AMP
FUSE
6 AMP
FUSE
6 AMP
XX
RW
RW
RW
RW
ISOLATED
END
SWITCH
THERMOSTATS (24 VAC)
PRIORITY
120 VAC
ZR
HHNHNHNHNH NH
ZONE4
ZONE 2 POWER ZONE 1 ZONE 3 ZONE 4
LED
INDICATORS
ZONE 4
PRIORITY
OFF ON
PRIORITY
24 VAC
COM
BOILER
INDIRECT
WATER HEATER
AQUASTAT OR
THERMOSTAT
JUMPER
HAFC101-4
HYDRO AIR FAN CONTROL
THERMOSTAT
CRWYG
AQUASTAT
T
T
HAFC101-4
BOILER
C
AIR HANDLER
XX RYG
L
G
H
THERMOSTAT
T
To: Aquastat on Return Line of Hydro Coil
Optional Power Wire to Thermostat that Requires 24VAC
OUTDOOR
CONDENSER
UNIT
FAN RELAY
LINE
24 VAC
LOW
HIGH
M
HAFC101-4
HYDRO AIR FAN CONTROL
THERMOSTAT CRWYG
AQUASTAT
T
T
HAFC101-4
BOILER
C
AIR HANDLER
XX RYG
L
G
H
THERMOSTAT
T
To: Aquastat on Return Line of Hydro Coil
Optional Power Wire to Thermostat that Requires 24VAC
OUTDOOR
CONDENSER
UNIT
FAN RELAY
LINE
24 VAC
LOW
HIGH
M
HAFC101-4
HYDRO AIR FAN CONTROL
THERMOSTAT CRWYG
AQUASTAT
T
T
HAFC101-4
BOILER
C
AIR HANDLER
XX RYG
L
G
H
THERMOSTAT
T
To: Aquastat on Return Line of Hydro Coil
Optional Power Wire to Thermostat that Requires 24VAC
OUTDOOR
CONDENSER
UNIT
FAN RELAY
LINE
24 VAC
LOW
HIGH
M
TWO SPEED AIR HANDLER TWO SPEED AIR HANDLER TWO SPEED AIR HANDLER
POWER HEAT CALL
LED
INDICATORS
COOL FAN HEAT FAN
POWER HEAT CALL
LED
INDICATORS
COOL FAN HEAT FAN
POWER HEAT CALL
LED
INDICATORS
COOL FAN HEAT FAN