Installation Guide

45
HAFC201-4 with 1 Speed Air Handler
HAFC201-4
HYDRO AIR FAN CONTROL
THERMOSTAT
POWER
HEAT CALL
LED
INDICATORS
THERMOSTAT
T
C R W Y G
AQUASTATS
T T
HAFC201-4
COOL FAN
HEAT FAN
BOILER
C
AIR HANDLER
X X R Y G
L GH
WATER
COIL
FREEZE
PROT.
T T
X X
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 ca
p
able of 1 and 2 s
p
eed a
p
p
lications.
)
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
N
OTE: For 4 minute
O
N DELAY of Heating Fan,
s
witch 1 and 3 MIN ON
D
ELAY to ON position.
FAN
RELAY
LINE
24 VAC
OUTDOOR
CONDENSE
R
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