Switch Setting
Adjust Switches
Both OFF
5 0N - 6 OFF
5 OFF - 6 ON
5 ON - 6 ON
Heat
Normal
Increase 15%
Decrease 15%
Normal
Cool
Normal
Increase 15%
Decrease 15%
Normal
Fan Speeds
Switch Setting
Heat Switches
Both OFF
3 0N - 4 OFF
3 OFF - 4 ON
3 ON - 4 ON
Fan Speeds
Heat
High
Med High
Med Low
Low
Switch Setting
Cool Switches
Both OFF
1 0N - 2 OFF
1 OFF - 2 ON
1 ON - 2 ON
Fan Speeds
Cool
High
Med High
Med Low
Low
Delay Switches are for future use - no function at this time
Note:
Refer to individual specification pages for Airflow
Performance specifications. Above settings correspond
to DIP switch settings on the ECM circuit board only.
Do not adjust DIP switches on MAIN Circuit Board.
T3
1
Co
N.0. C
Digital Controls
R W Y G
A/C Unit
Thermostat
To “Y”
To “C”
T30
T29
T28
RED
O
G
Y
W
R
C
T25
T17
K3
COM
K6
COM
N.O.
T26 T27
GRN
YEL
P2
P3
R
24Vac
12Vac Com
Thermostat
DET
C
D
efr
os
t
Fr
ee
ze
Fan
P1
C4
C3
K8
T3
1
Co
N.0.
Digital Controls
DIP SWITCHES TO BE
ADJUSTED BY QUALIFIED
TECHNICIANS ONLY.
SEUL UN TECHNICIEN
QUALIFIÉ PEUT AJUSTÉ LES
COMMUTATEURS DIP.
CHASSIS
T44
T3
T4
T5
T6
Line/Ligne
T1
T2
T13
T14
T15
T16
Neutral/Neutre
T11
T12
2 AMPS
SW1
ON
8
7
6
5
4
3
2
1
T21
T22
T23
T24
AUX 1
AUX 2
Standard 24 Volt
Thermostat
Connection
(Thermostats are not avail-
able through Airia)
Basic Functions
• Thermostat fan switch will control low speed fan
operation
• Call for heating - high speed
• Call for cooling - high speed
Function and Controls
ECM Motor
ECM Motor DIP Switch Settings
Do not energize the CAF until the plumbing is
connected and commissioned. Failure to do so
will damage the pump.
WARNING
DIP switches #6 & #7 must be ON for the
ECM motor to function (factory setting).
ATTENTION
ECM Motor DIP Switch Settings
(DIP 6&7 ON is Factory Setting)
ON
8
7
6
5
4
3
2
1
DIP #2 to ON will disable the
Off Season Circulation Timer
Factory Setting
Do not adjust any other DIP switches than
indicated above.
WARNING
COOL
1
2
3
4
5
6
7
8
HEAT ADJUST
DELAY
COOL HEAT ADJUST DELAY
S
W
1
o
ff
o
n
T2
T1
Thermostat Heat Anticipator Settings
Mechanical Thermostats - start at .5 amp and may need to be
increased depending upon the residual heat left in the
hydronic coil and duct work.
Electronic Thermostats - to be set on electric style heat.
21
Summary of Contents for CAF-D-L4A-36-P16
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