WaterFurnace Envision Hydronic (NDW) - Manual (Page 15)

15
NDW INSTALLATION MANUAL
Wiring Schematics cont.
460/60/3
24V
Tran sfor mer
SFS
LFS ES
Johnson FX
-1
0
5V
D C
AI 3
35 36 37 38
+ - AI 5 - + AI 4 - + AI 6 AI 2 AI 1
5V
D C
5V
D C
LED - - - + + +
24VAC
24VAC Com
GROUND
39 40 41
PWM2 PWM2 Com PWM1
42 43 44 45 46 47 48
24
VA
C Com
DI
12
DI
11
DI
10
DI
9
DI
8
DI
7
49 50 51 52 53 54 55 56
D I 3/
4/5/
6/ C om
DI
6
DI
5
DI
4
DI
3
DI
2
DI
1
9V
D C
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
D0
9
D0
8
D0
7 D0 6 D0
5
D0
4
D0
3
D0
2
D0
1
J8 J2 J1
0 J9
J7
NOTE 7
A21 A12
A25 A22
A32
A31 A35
A23
A13
A11
A15
A14
A24
A34
A33
34
LP
-A
LP
-B
31
30
29
28
27
26
25
24
23
22
21
20
A I4 EX P
5Vdc Com J2
5Vdc
5Vdc Com
A I3 EX P
5Vdc
5Vdc Com
A I2 EX P
5Vdc
5V dc Com
A I1 EX P
5Vdc
17
16
15
14
13
12
11
10
DO3
24 V ac
DO4
DO5
DO6
24 V ac
24 V ac Com
J3
24 V ac
J1 Main B oar d
Conn ect ion
A 41
A 31
A 23
A 13
A4
3
A4
2
A3
2
A3
3
A2
1
A2
2
A1
2
A1
1
4
3
2
1
D02
D01
6
D07 5
8
D08 7
Johnson FX
10
Expansion Board
PB
1 2 3 1
CCB
L1
L2
L3
T1
T2
T3
Black
Red
( Circuit
B
)
Yellow
Current Switch
CSB
Black
Black
Compressor
Black (
F1
)
Black (
F2 )
Black (
F 3)
Black (
F4 )
Black (
F5
)
Black (
F6
)
Black (
F7
)
Black (
F8
)
Black (
F9
)
Black (
F10
)
Black (
F1
1)
Black (
F12
)
Black (
F13
)
Black (
F14
)
Black (
F15
)
Black (
F16
)
Black (
F17
)
Black (
F18
)
Black (
F19
)
Black (
F20
)
1 2 3 4 5 7 8 9 10 6 11 12 13 16 15 14 17 20 19 18 A
33 32 31 30 29 28 27 26 25 24 23
1 6 2 7 3 4 9 5 10 8
White
/Red (
80
)
White
/Red (
81
)
White
/Blue (
33
)
White
/Blue (
34
)
Yellow
/R ed (
35 )
Yellow
/R ed (
36 )
Yellow
/B
lue (
37
)
Yellow
/B
lue (
38
)
Ta n/ Black (
84 )
Ta n/ Black (
85 )
White
/Red (
80
)
White
/Red (
81
)
T T T T
White
/Blue (
33
)
White
/Blue (
34
)
Yellow
/R ed (
35 )
Yellow
/R ed (
36 )
T
Yellow
/B
lue (
37
)
Yellow
/B
lue (
38
)
Ta n/ Black (
84 )
Ta n/ Black (
85 )
S- W C T
Circuit A L- W C T
Circuit A S- W C T
Circuit B L- W C T
Circuit B LL
T
Black
Blue
Black
/White
Yellow
Yellow
Yellow Yellow
Yellow (
24 )
Black (
95
)
Green
/Y
ellow (
23
)
Yellow (
21
)
Black
/White (
22
)
Y1
COMP
1
LC
1
Comp A Alarm
RS
DO
-9
X2
DO
-7
R
24 VA
C
SS
DO
-8
LC
2
Comp B Alarm
X1
Acc
C
24 VA
C COM
TO
NOT
USED
SC
NOT
USED
AIC
NOT
USED
L
NOT
USED
O/ B
REV V
AL
VE
G
NOT
USED
Y2
COMP
2
16 12 8 2 9 4 10 7 5 3 11 14 6 13 15 1
TB
Black (
SS
)
Black (
C)
Black (
R S)
Black (
R)
Black (
X2
)
Black (
LC
2 )
Black (
LC
1 )
Black (
X1
)
Black (
Y1
)
Black (
Y2
)
Black (
O/ B)
Black (
G )
Black (
AIC
)
Black (
SC
)
Black (
L)
Black (
TO
)
B
7/2
8/0
9
Black
/White (
26 )
Black (
30
)
Black (
30
)
Black (
29
)
Black (
29
)
Ye
llow (
25
)
Yellow (
25 )
Black (
28
)
Black (
28
)
Brown (
53
)
Brown (
53
)
Brown (
52
)
Brown (
52
)
Blue (
51 )
Blue (
51 )
Black (
75 A)
Black
/Org (
75
B)
CC
-B
CC
-A
Black (
64
A)
Violet (
67
)
Violet (
66 )
Black
/White (
26 ) Black
/White (
27
)
Black
/White (
27
)
2 3 1 PB
2
Black (
54
)
Red (
55
)
Gray (
56 )
Pink (
58 )
Brown (
57
)
Gray (
59 )
6 15 7 16 9 8 17 14 5 18 13 4 1 3 12 10 11 2
T
EST
Brn
/Wht (
86
)
Brn
/Wht (
87
)
T
LST
Brn
/Blk (
41
)
Brn
/Blk (
42
)
Blac k
Blac k
CS
-A
Circuit A
Blac k
Blac k
CS-
B
Circuit B
Blue (
45 )
Blue (
45 )
Blue (
46 )
Blue (
46 )
Blue (
45
)
Blue (
46
)
Orange (
47 )
Orange (
47 )
Orange (
47 )
Gray (
48 )
Connect to R on PB
1- 1
White (
67
)
White (
67
)
White (
67 )
White (
66
)
White (
66
)
White (
66 )
Blue (
50 )
Not Used
Orange (
60 )
Orange (
60 )
Orange (
60
)
Ta n/ White (
82
)
Ta n/ White (
83 )
B lac k (A )
B lac k (A )
White ( B)
White ( B)
Orange (
61 A)
Orange (
61
A)
Orange (
61 B)
RV
1
RV
2
Orange (
60 A)
Orange (
61 A)
Orange
/W
ht (
60
B)
Orange
/W
ht (
61
B)
T
EL
T
Ta
n/ White (
82 )
Ta
n/ White (
83
)
Ta
n/ White (
82
)
Ta
n/ White (
83
)
Black (
49
)
Blue (
76 A)
Blue (
76
A)
Blue (
76 B)
Blue (
76
B)
Blue (
49
A)
Blue (
76
A)
Blue
/W
ht (
49
B)
Blue
/W
ht (
76
B)
BLACK
WIRE HARNESS
Black (
70
A)
Black
/Org (
70 B)
NOTE 2 NOTE 3
Notes
3
-D
isconnect for
15
degree F load side freeze detection
4
-A
cc output is cycled with the lead compressor
.
5
-If no flow proving switch is being used on the load side
, the input must be jumpered
to PB2-3 for the unit to operate. 2
-D
isconnect for
15
degree F source side freeze detection
7 -J
umpers must be set as shown for correct control operation
. If a communication
card is present
, it must be removed to check the jumpers
.
6
-If no flow switch is being used on the source side, the input must be jumpered to R on PB1-1 for the unit to operate. 8
-R
eversing V
alve will be energized for cooling mode
.
9
-U
sed for Emergency Shutdown in conjunction with a normally open relay
NOTE 4
NOTE 5 NOTE 6
NOTE 8
NOTE 8
NOTE 9
T1 T2
T3
Ground
Legend
CC
– Compressor Contactor
CS
– Current Switch
EL
T – Entering Load
Te
mp
ES
– Emergency Shutdown
EST
– Entering Source
Temp
HP
–
High Pressure
LFS
– Load Flow Switch
LL
T
– Leaving Load
Temp
LP
– Low Pressure
LST
– Leaving Source
Te
mp
L- WCT
–
Load W
ater Coil
Temp
PB
– Power Block
R V – Reversing V
alve
SFS
– Source Flow Switch
S-
WCT
–
Source W
ater Coil
Temp
TB –
T erminal
Board
Factory low voltage wiring Factory line voltage wiring Field low voltage wiring Field line voltage wiring Optional block Field Supplied Option
Thermistor Relay coil
T
Open Jumper Closed Jumper ¼” Quick Connector
HP
-A
HP
-B
Black
/O range (
74 B)
Black
/O
range (
73
B)
Black (
74
A)
Black (
73
A)
Black (
65
A)
Black
/O
range (
64
B)
Black
/O
range (
65
B)
Black (
70
A)
Black
/Org (
70
B)
Black (
75
A)
Black
/Org (
75
B)
Black (
70
A)
Black
/Org (
70
B)
Black (
75
A)
Black
/O
rg (
75
B)
Unit Power Supply
#1
460
/6 0/ 3
G
L1
L2
L3
( Circuit
A )
Compressor
CCA
L1
L2
L3
T1
T2
T3
Black
Red
Yellow
Current Switch
CSA
Black
Black
T1
T2
T3
Unit Power Supply
#2
460
/60
/3
G
L1
L2
L3
Green
/Y ellow (
16
)
EX
1
EX
2
Orange (6
1A )