Installation Guide

45
HAFC201-4 with 1 Speed Air Handler
HAFC201-4
HYDRO AIR FAN CONTROL
THERMOSTAT
P
OWER
HEAT CALL
L
ED
I
NDICATORS
THERMOSTAT
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 1 SPEED AIR HANDLER
(HAFC 201 is capable of 1 and 2 speed applications.)
To: Optional
A
quastat on
Return Line of
H
ydro Coil
T
o: Optional Aquastat
o
r Thermostat to sense
low ambient
t
emperature
O
ptional Power Wire
t
o Thermostat
that Requires 24VAC
NOTE: For 4 minute
O
N 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