Envision NXW 096, Руководство по установке

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16
NXW REVERSIBLE CHILLER INSTALLATION MANUAL
Wiring Schematics
208-230/60/3
24V
Tra nsf orm er
S
FS
LF
S
E
S
Jo
hn
so
n
FX
-1
0
5V
D
C
A
I3
35 36 37 38
+
- A
I5
-
+
A
I4
-
+ A
I6
A
I2
A
I1
5V
D
C
5V
D
C
LE
D
- - -
+ + +
24VAC
24VAC Com
GROUND
39 40 41
P
W
M
2
P
W
M
2
C
om
P
W
M
1
42 43
44
45
46
47 48
24
V
A
C
C
om
D
I1
2
D
I1
1
D
I1
0
D
I9
D
I8
D
I7
49 50 51 52 53 54 55 56
D
I 3
/4
/5
/6
/ C
om
D
I6
D
I5
D
I4
D
I3
D
I2
D
I1
9V
D
C
20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1
D
09
D
08
D
07
D
0 6
D
05
D
04
D
03
D
02
D
01
J8 J2
J1
0
J9
J7
N
O
TE
7
A21 A12
A25 A22
A32
A31 A35
A23
A13
A11
A15
A14
A24
A34
A33
34
H
P-
B
H
P-
A
LP
-A
LP
-B
31
30
29
28
27
26
25
24
23
22
21
20
A I4 EX P
5Vd c C om
J2
5Vd c
5Vd c C om
A I3 EX P
5Vd c
5Vd c C om
A I2 EX P
5Vd c
5Vd c C om
A I1 EX P
5Vd c
17
16
15
14
13
12
11
10
DO3
24 V ac
DO4
DO5
DO6
24 V ac
24 V ac C om
J3
24 V ac
J1
Mai n B oar d
Con nec tio n
A 41
A 31
A 23
A 13
A
43
A
42
A3
2
A
33
A
21
A
22
A1
2
A
11
4
3
2
1
D02
D01
6
D07 5
8
D08 7
Jo
hn
so
n
FX
10
Ex
pa
ns
io
n
B
oa
rd
U
ni
t P
ow
er
S
up
pl
y
20
8-
23
0/
60
/3
G
P
B1 2 3 1
( Circuit
A
)
Compressor
C
C
1
L1
L2
L3
T1
T2
T3
Bl
ac
k
(1
0)
Red
(12
)
W
hi
te
(1
1)
T1
T2
S2 S1
C
o
m
p
re
ss
o
r
P
ro
te
ct
io
n
M
o
d
u
le
#
1
(C
P
M
1
)
B
lu
e
B
lu
e
T1
T
2
T3
S1
S
2
C
ur
re
nt
S
w
itc
h
C
S1
B
la
ck
B
la
ck
E
ar
th
G
ro
un
d
G
rn
/Y
el
l (
88
)
C
C
2
L1
L2
L3
T1
T2
T3
Black
(1
3)
Red
(1
5)
T1
T2
S
2
S
1
Compressor Protection Module
#
2
(CPM
2
)
B
lu
e
B
lu
e
( C
irc
ui
t B
)
T1
T2
T
3
S
1
S
2
White
(1
4)
Current Switch
C
S2
B
la
ck
B
la
ck
C
om
pr
es
so
r
Earth Ground
Grn
/Y
ell
(8
9)
B
la
ck
(F
1)
B
la
ck
(F
2)
B
la
ck
(F
3)
B
la
ck
(F
4)
B
la
ck
(F
5)
B
la
ck
(F
6)
B
la
ck
(F
7)
B
la
ck
(F
8)
B
la
ck
(F
9)
B
la
ck
(F
10
)
B
la
ck
(F
11
)
B
la
ck
(F
12
)
B
la
ck
(F
13
)
B
la
ck
(F
14
)
B
la
ck
(F
15
)
B
la
ck
(F
16
)
B
la
ck
(F
17
)
B
la
ck
(F
18
)
B
la
ck
(F
19
)
B
la
ck
(F
20
)
1 2 3 4 5 7 8 9
10
6
11 12 13 16 15 14 17 20 19 18
PB
L1
L2
L3
A
33 32 31 30 29 28 27 26 25 24 23
1 6 2 7 3 4 9 5
10
8
W
hi
te
/R
ed
(8
0)
W
hi
te
/R
ed
(8
1)
W
hi
te
/B
lu
e
(3
3
)
W
hi
te
/B
lu
e
(3
4
)
Y
el
lo
w
/R
ed
(3
5)
Y
el
lo
w
/R
ed
(3
6)
Y
el
lo
w
/B
lu
e
(3
7)
Y
el
lo
w
/B
lu
e
(3
8)
Ta
n
/B
la
ck
(8
4)
Ta
n
/B
la
ck
(8
5)
W
hi
te
/R
ed
(
80
)
W
hi
te
/R
ed
(
81
)
T T T T
W
hi
te
/B
lu
e
(3
3)
W
hi
te
/B
lu
e
(3
4)
Y
el
lo
w
/R
ed
(
35
)
Y
el
lo
w
/R
ed
(
36
)
T
Y
el
lo
w
/B
lu
e
(3
7)
Y
el
lo
w
/B
lu
e
(3
8)
Ta
n
/B
la
ck
(8
4)
Ta
n
/B
la
ck
(8
5)
S-
W
C
T
C
irc
ui
t
A
L-
W
C
T
C
irc
ui
t
A
S-
W
C
T
C
irc
ui
t
B
L-
W
C
T
C
irc
ui
t
B
LL
T
Tr
an
sf
or
m
er
Sw
itc
h 1 3
2
B
la
ck
R
ed
20
8V
B
lu
e
23
0V
B
la
ck
/W
hi
te
Y
el
lo
w
Y
el
lo
w
Y
el
lo
w
Y
el
lo
w
Y
el
lo
w
(
24
)
B
la
ck
(9
5)
G
re
en
/Y
el
lo
w
(2
3)
Y
el
lo
w
(2
1)
B
la
ck
/W
hi
te
(
22
)
Y1
C
O
M
P
1
LC
1
C
om
p
A
A
la
rm
R
S
D
O
-9
X2
D
O
-7
R
24
V
A
C
SS
D
O
-8
LC
2
C
om
p
B
A
la
rm
X1
A
cc
C
24
V
A
C
C
O
M
TO
N
O
T
U
S
E
D
SC
N
O
T
U
S
E
D
A
IC
N
O
T
U
S
E
D
L
N
O
T
U
S
E
D
O
/B
R
E
V
V
A
LV
E
G
N
O
T
U
S
E
D
Y2
C
O
M
P
2
16 12
8 2 9 4
10
7 5 3
11 14
6
13 15
1
TB
B
la
ck
(S
S)
B
la
ck
(C
)
B
la
ck
(R
S)
B
la
ck
(R
)
B
la
ck
(X
2)
B
la
ck
(L
C
2
)
B
la
ck
(L
C
1
)
B
la
ck
(X
1)
B
la
ck
(Y
1)
B
la
ck
(Y
2)
B
la
ck
(O
/B
)
B
la
ck
(G
)
B
la
ck
(A
IC
)
B
la
ck
(S
C)
B
la
ck
(L
)
B
la
ck
(T
O
)
B
2/
27
/0
9
B
la
ck
/W
hi
te
(2
6)
B
la
ck
(3
0)
B
la
ck
(3
0)
B
la
ck
(2
9)
B
la
ck
(2
9)
Y
el
lo
w
(2
5)
Y
el
lo
w
(
25
)
B
la
ck
(2
8)
B
la
ck
(2
8)
B
ro
w
n
(5
3)
B
ro
w
n
(5
3)
B
ro
w
n
(5
2)
B
ro
w
n
(5
2)
B
lu
e
(5
1)
B
lu
e
(5
1)
B
la
ck
(7
5A
)
B
la
ck
/Org
(7
5B
)
Black
/Org
(7
3B
)
B
la
ck
/Org
(7
4B
)
C
C
-B
C
C
-A
B
la
ck
(7
3A
)
B
la
ck
(7
4A
)
Violet
(6
7)
Violet
(6
6)
B
la
ck
/W
hi
te
(6
3)
B
la
ck
/W
hi
te
(
62
)
B
la
ck
/W
hi
te
(
62
)
2 3 1
P
B
2
B
la
ck
(5
4)
R
ed
(5
5)
G
ra
y
(5
6)
P
in
k
(5
8)
B
ro
w
n
(5
7)
G
ra
y
(5
9)
14
6 7
16
9 8
17 14
5
18 13
4 1 3
12 10 11
2
T
E
S
T
B
rn
/W
ht
(8
6)
B
rn
/W
ht
(8
7)
T
LS
T
B
rn
/B
lk
(4
1)
B
rn
/B
lk
(4
2)
Bla ck
Bla ck
C
S
-A
C
irc
ui
t
A
Bla ck
Bla ck
C
S
-B
C
irc
ui
t
B
B
lu
e
(4
5)
B
lu
e
(4
5)
B
lu
e
(4
6)
B
lu
e
(4
6)
B
lu
e
(4
5)
B
lu
e
(4
6)
O
ra
ng
e
(4
7)
O
ra
ng
e
(4
7)
O
ra
ng
e
(4
7)
G
ra
y
(4
8)
C
on
ne
ct
t
o
R
o
n
TB
W
hi
te
(6
7)
W
hi
te
(6
7)
W
hi
te
(6
7)
W
hi
te
(6
6)
W
hi
te
(6
6)
W
hi
te
(
66
)
B
lu
e
(5
0)
N
ot
U
se
d
O
ra
ng
e
(6
0)
O
ra
ng
e
(6
0)
Orange
(6
0)
Ta
n
/W
hi
te
(
82
)
Ta
n
/W
hi
te
(8
3)
V
io
le
t (
90
)
B lac k (A )
B lac k (A )
Whi te ( B)
Whi te ( B)
O
ra
ng
e
(6
1A
)
O
ra
ng
e
(6
1A
)
O
ra
ng
e
(6
1B
)
R
V
1
R
V
2
O
ra
ng
e
(6
0A
)
O
ra
ng
e
(6
1A
)
O
ra
ng
e/
W
ht
(
60
B)
O
ra
ng
e/
W
ht
(
61
B)
T
E
LT
Ta
n
/W
hi
te
(
82
)
Ta
n
/W
hi
te
(8
3)
Ta
n
/W
hi
te
(
82
)
Ta
n
/W
hi
te
(
83
)
B
la
ck
(4
9
)
B
lu
e
(7
6A
)
B
lu
e
(7
6A
)
B
lu
e
(7
6B
)
B
lu
e
(7
6B
)
B
lu
e
(4
9A
)
B
lu
e
(7
6A
)
B
lu
e/
W
ht
(4
9B
)
B
lu
e/
W
ht
(7
6B
)
B
LA
C
K
W
IR
E
H
A
R
N
E
S
S
B
la
ck
(1
)
W
hi
te
(
2)
R
ed
(
3)
B
la
ck
(4
)
W
hi
te
(5
)
R
ed
(
6)
B
la
ck
(7
)
W
hi
te
(
8)
R
ed
(9
)
C
PM
1
M
2
M
1
B
la
ck
(7
0A
)
C
PM
2
M
2
M
1
B
la
ck
/O
rg
(7
0
B)
Y
el
lo
w
(8
0)
B
la
ck
(7
2A
)
Black
(6
9B
)
Y
el
lo
w
(
17
)
B
la
ck
/W
hi
te
(1
8
)
Y
el
lo
w
(1
9)
B
la
ck
/W
hi
te
(
20
)
NO
TE
1
N
O
TE
2
N
O
TE
3
N
ot
es
3
-
Disconnect for
15
degree load side freeze detection setpoint.
4
-
Acc 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 PB
2
-2
for the unit to operate
.
2
-
Disconnect for
15
degree source side freeze detection setpoint.
7
-
Jumpers 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 using a source side flow proving switch
, hook up as shown
.
If no flow proving
switch is being used on the source side
, the input must be jumpered to R for the
unit to operate
.
1
-
Place switch to
208
V position to operate unit at
208
V.
8
-
Reversing V
alve will be energized for heating mode
.
10
-M
1
and M
2
are located on the compressor protection modules
(CPM
1
and CPM
2)
inside of the compressor junction Boxes
.
Only used on
360
and
540
models
.
9
-
Used for Emergency Shutdown in conjunction with a normally open relay
N
O
TE
4
N
O
TE
5
N
O
TE
6
N
O
TE
8
N
O
TE
8
N
O
TE
9
N
O
TE
1
0
NOTE
10
Ground
Le
ge
nd
CC
– Compressor Contactor
CS
– Current Switch
EL
T
– Entering Load
Temp
ES
– Emergency Shutdown
EST
–
Entering Source
Temp
H
P
– High Pressure
LFS
– Load Flow Switch
LL
T
– Leaving Load
Temp
LP
–
Low Pressure
LST
–
Leaving Source
Temp
L-
WCT
–
Load W
ater Coil
Temp
PB
– Power Block
RV
–
Reversing V
alve
SFS
– Source Flow Switch
S-
WCT
–
Source W
ater Coil
Temp
TB
–
Terminal Board
PGM
– Phase Guard Monitor
CPM
– Compressor Protection Module
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
N
O
TE
1
1
11
-
Only used on the
360
and
540
models
.
N
O
TE
1
1
PG
M
8 1
5
4
3
Phase Guard Monitor (PGM
)