Comfort-Aire HTH Series - Manual (Page 25)

25
Installation, Operation & Maintenance HTV/HTD/HTH SERIES Heat Controller, Inc.
ECM Blower Control
Table 5: ECM Board Tap Settings
Y
G G G G R
W O Y2 Y1 G R
C
Y2
Y1
G
O
W
C
R
DH
AL1
A
A
AL1
SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9
OFF
ON
G
DEHUM
CFM
TB1
J1 S1
Thermostat
Input LEDs
CFM Counter
1 flash per 100 CFM
ECM Motor
Low Voltage
Connector
1/4" Spade
Connections
to CXM or
DXM Board
Thermostat
Connections
Dehumidification
LED
Fan Speed Selection DIP Switch
J01
AL AL
A
G Y1 Y2 O W1 EM C R
G
Y1
Y2
OW
1
E
M
NC
C
R
Hum
3
2
1
4
3 2 1 4
3
3
2 1
2 2
1
4 3 2 1 4
56
78
9
1
0
L
LED's
TB01
CFM
Dehumid
Norm
Norm
Te
s
t
(–) (+)
CFM Adjust
Aux CFM
HP CFM Delay
1/4" Spade
Connections
to CXM or
DXM Board
Thermostat
Input LEDs
CFM Counter
1 flash per 100CF
ECM Motor
Low Voltage
Connector
Dehumidification
LED
Fan Speed Selection Jumpers
Thermostat
Connections
Figure 26a: ECM Version II Interface Layout Figure 26b: ECM Version I Interface Layout
Figure 26c: ECM Version III Interface Layout
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Cooling settings: TT, TS Units Heating settings: TT, TS Units Aux/Emerg Heat settings: TT, TS Units*
*Residential Units
Version I Version I Version I
69243707 69243707 69243707
Tap HP CFM Tap DELAY Tap AUX CFM
Setting Jumper SW1 SW2 Setting Jumper SW3 SW4 Setting Jumper SW5 SW6
1 1 ON ON 1 1 ON ON 1 1 ON ON
2 2 ON OFF 2 2 ON OFF 2 2 ON OFF
3 3 OFF ON 3 3 OFF ON 3 3 OFF ON
4 4 OFF OFF 4 4 OFF OFF 4 4 OFF OFF
CFM Adjust settings: TT, TS Units Dehum Mode settings: TT, TS Units
Version I Version I
69243707 69243707
Tap CFM Adj Tap Dehumid
Setting Jumper SW7 SW8 Setting Jumper
TEST 1 ON ON NORM pins 1,2
- 2 ON OFF Dehumid pins 2,3
+ 3 OFF ON
NORM 4 OFF OFF
DIP Switch
Version II and III
(17B0019N01 & 17B0034N01)
DIP Switch DIP Switch
ON
OFF
DIP Switch DIP Switch
SW9
Version II and III
(17B0019N01 & 17B0034N01)
Version II and III
(17B0019N01 & 17B0034N01)
Version II and III
(17B0019N01 & 17B0034N01)
Version II and III
(17B0019N01 & 17B0034N01)
HT Units HT Units HT Units
HT Units HT Units