Wiring Guide

47
HAFC201-4 with 1 Speed Air Handler
HAFC201-4
HYDRO AIR FAN CONTROL
THERMOSTAT
POWER
HEAT CALL
LED
INDICATORS
THERMOSTAT
T
CRWYG
AQUASTATS
TT
HAFC201-4
COOL FAN
HEAT FAN
BOILER
C
AIR HANDLER
XX RYG
L
G
H
WATER
COIL
FREEZE
PROT.
TT
XX
PUMP
1 MIN FAN DELAY
3 MIN FAN DELAY
2MIN/24HR or 30SEC/2WK
PUMP EXERCISE
OFF ON
HAFC 201 WITH 1 SPEED AIR HANDLER
(Both HFC 101 and HAFC 201 are
capable of 1 and 2 speed applications.)
To: Optional
Aquastat on
Return Line of
Hydro Coil
To: Optional Aquastat
or Thermostat to sense
low ambient
temperature
Optional Power Wire
to Thermostat
that Requires 24VAC
NOTE: For 4 minute
ON DELAY of Heating Fan,
switch 1 and 3 MIN ON
DELAY to ON position.
FAN
RELAY
LINE
24 VAC
OUTDOOR
CONDENSER
UNIT
JUMPER
CIRCULATOR
(or to “T T” on
switching relay)
Dry Contacts To:
“T T” on Boiler
or Switching
Relay
H
N
120 VAC
INPUT
M