Installation Guide

46
HAFC201-4 with 2 Speed Air Handler
HAFC201-4
HYDRO AIR FAN CONTROL
T
HERMOSTAT
POWER
HEAT CALL
LED
I
NDICATORS
T
HERMOSTAT
T
C
RWYG
AQUASTATS
T
T
HAFC201-4
COOL FAN
HEAT FAN
BOILER
C
AIR HANDLER
XX RYG
L GH
WATER
COIL
FREEZE
PROT.
T
T
XX
PUMP
1 MIN FAN DELAY
3 MIN FAN DELAY
2MIN/24HR or 30SEC/2WK
PUMP EXERCISE
OFF ON
HAFC 201 WITH 2 SPEED AIR HANDLER
(HAFC 201 is capable of 1 and 2 speed applications.)
T
o: Optional
Aquastat on
R
eturn Line of
H
ydro Coil
T
o: Optional Aquastat
or Thermostat to sense
l
ow ambient
temperature
O
ptional Power Wire
to Thermostat
t
hat Requires 24VAC
N
OTE: For 4 minute
ON DELAY of Heating Fan,
switch 1 and 3 MIN ON
DELAY to ON position.
OUTDOOR
CONDENSER
UNIT
CIRCULATOR
(or to “T T” on
switching relay)
Dry Contacts To:
“T T” on Boiler
or Switching
Relay
H
N
120 VAC
INPUT
FAN
RELAY
LINE
24 VAC
LOW
HIGH
M