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6.0
TECHNICAL DATA
E L E C T R I C A L D A T A
M O D E L
D C A H
3 6 - 2
V -3 6- 2
5 5 - 3
DCAH-36-2 Airflow vs static pressure - 3 speeds PSC motor
Speed
Low
Heating & Cooling
Medium
Heating & Cooling
High
Heating & Cooling
DCAH-55-3 Airflow vs static pressure - 3 speeds PSC motor
Speed
Low
Heating & Cooling
Medium
Heating & Cooling
High
Heating & Cooling
HEATING PERFORMANCES *
MODEL
CFM
BTU/H @ 140F
DCAH
NOMINAL
WATER INLET
600
700
800
36-2
900
1000
1100
* Water flow: 3 GPM; Air return: 70F
H EATING MODE
24 VAC (R) input on W 1 and/or W 2 only
HEAT KW /CFM
adjustment
VIOLET wire position
A
B
C
D
AC / HP SIZE
Adjustm ent
BLUE wire position
A
B
C
D
* In Cooli ng - Dehum idification m ode (wi th Jum per J1 removed), w ith no 24 VAC input to DH, the C FMs are reduced by 10%.
* The CFM s s hown are reduced by 20% if there is 24 VAC input to Y1 only (Y/Y2 not powered)
** SYSTEM T YPE select to AC corresponds to 400 CFM/TONS
AC / HP SIZE
Selection
BLUE wire position
A
B
C
D
* CFM 's when AC /H P CFM ADJUST at NOM position. CFM's 15% lower or hi gher i f AC/HP C FM AD JUST at LO or HI position.
Table 1 : Technical specifications
E L E C T R I C A L S U P P L Y
V O L T S
P H A S E
H E R T Z
1 1 5
1
6 0
1 1 5
1
6 0
1 1 5
1
6 0
Coil(s)
0.10
Heating
1000
945
Heating
1095
1050
Heating
1160
1105
Coil(s)
0.10
Heating
1095
1020
Heating
1365
1345
Heating
1595
1445
HEATING PERFORMANCES *
MODEL
DCAH
30 100
32 600
34 300
55-3
37 500
39 600
41 300
Table 2 : Airflow tables for DCAV-36-2 – Variable speed ECM motor
CFM
ON / OFF D ELAY
24 VAC on W 1
Adjustm ent
and/or W 2
W HITE wire position
1200
1000
800
600
COOL IN G M OD E (W ITH AC SELECTED **)
24 VAC (R) input on G, Y/Y2 and O (for cooling)
A/C size
AC/HP C FM AD JUST
(TONS)
BLAC K wire position = (NOM)
2,5
2,0
1,5
1,0
A/C size
CONTINUOUS FAN
(TONS)
YELLOW wire position = (LO)
2,5
2,0
1,5
1,0
H P
M O T O R
( 11 5 V )
M O T O R
1/ 3
5 ,0
1/ 2
7 ,7
1/ 2
6 ,5
Static Pressure
0.20
0.30
0.40
975
960
895
920
860
805
1070
1035
985
960
945
920
1155
1100
1000
1060
980
950
Static Pressure
0.20
0.30
0.40
1090
1080
1065
1090
1065
1040
1350
1335
1300
1305
1260
1210
1555
1515
1460
1410
1365
1310
CFM
BTU/H @ 140F
NOMINAL
WATER INLET
900
44 500
1000
49 000
1100
50 400
1200
52 200
1300
53 900
1400
56 400
DELAY PROFILE FOR HEATING MODE
T ime - % C FM
1st tap
30 sec. - 13%
2nd tap
45 sec. - 13%
3rd tap
60 sec. - 13%
4th tap
90 sec. - 13%
C FM *
AC/HP CFM ADJUST
BLAC K wire position = (LO)
1100
800
600
400
CONTINUOUS FAN
24 VAC (R) input on G only
CFM *
CONTINUOUS FAN
YELLOW wi re posi tion = (MED)
700
510
380
255
10
A M P E R A G E
C I R C U IT
B RE A K E R
P U M P
A M P A C I T Y
0, 7 5
7 , 2
0, 7 5
10 ,6
0, 7 5
9 , 1
0.50
0.60
875
840
770
725
940
890
860
800
990
935
865
820
0.50
0.60
1050
1020
1005
965
1260
1210
1155
1095
1410
1355
1260
1180
ON-Delay
OFF-Delay
CFM *
AC/HP CFM ADJU ST
BLACK wire position = (HI)
990
720
540
360
CF M *
CONT IN UOUS FAN
YELLOW wire position = (HI)
825
600
450
300
S IZ E
1 5
1 5
1 5
0.70
0.80
770
650
610
525
820
740
730
580
880
785
730
595
0.70
0.80
980
915
905
745
1155
1085
1030
915
1295
1210
1115
1020
Tim e
0 sec.
0 sec.
0 sec.
0 sec.
CFM *
1200
880
660
440
CFM *
950
690
515
345
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