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© 1995-2017 Energy Saving Products Ltd.
HE-Z Fan Coil - Extended Wiring Diagrams
Extended wiring diagrams for the various applications the Hi-Velocity HE-Z model can be used for. If you do not find the wiring
configuration you require, please call the technical department at Energy Saving Products Ltd. for further assistance.
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Module WIR
Hi-Velocity Wiring & Settings (7/10)
Module WIR Hi-Velocity Wiring and Settings (7/10)
CHILLED W
ATER WIRING
1 Stage Cooling (Only)
c/w chilled water circulator
1 Stage Cooling
c/w chilled water circulator
2 Stage Cooling
c/w chilled water circulator
W1
W2
C
R
Y2
Y1
D
O/B
G
R
Y1
W2W1
FZFZ
Y2
C
A3
A2
A1
L
N
J5
J7
J4
Y
C
CHILLER
CONT
ACTS
C
R
Y
G
THERMOST
AT
G
C
R
Y2
COOLING
CIRCULA
TOR
Y1
HEA
TING MODE OPTIONS: REFER
TO
AUXILIAR
Y CONT
ACT
INFORMA
TION
FOR W1
AND W2
W1
W2
C
R
Y2
Y1
D
O/B
G
R
Y1
W2W1
FZFZ
Y2
C
A3
A2
A1
L
N
J5
J7
J4
Y
C
CHILLER
CONT
ACTS
C
R
Y
G
THERMOST
AT
G
C
R
Y
COOLING
CIRCULA
TOR
HEA
TING MODE OPTIONS: REFER
TO
AUXILIAR
Y CONT
ACT
INFORMA
TION
FOR W1
AND W2
W1
W2
C
R
Y2
Y1
D
O/B
G
R
Y1
W2W1
FZFZ
Y2
C
A3
A2
A1
L
N
J5
J7
J4
Y
C
CHILLER
CONT
ACTS
Chilled water
Circulator
C
R
Y
G
THERMOST
AT
G
C
R
Y
HEA
TING MODE OPTIONS: REFER
TO
AUXILIAR
Y CONT
ACT
INFORMA
TION
FOR W1
AND W2
HE-Z-L
V-Z-Extended-W
iring-Pg-2-082615
HEA
T PUMP
C/W CONDENSER DEFROST CYCLE - BOILER BACK-UP
1 Stage Cooling 2 Stage Heating
Heat pump c/w condenser defrost cycle
2 Stage Cooling 3 Stage Heating
Heat pump c/w condenser defrost cycle
W1
W2
C
R
Y2
Y1
D
O/B
G
R
Y1
W2W1
FZFZ
Y2
C
A3
A2
A1
L
N
J5
J7
J4
ANTI-ICE
CONTROL
O/B
Y
R
C
W1
CONDENSER
T
T
DR
Y CONT
ACT
TO BOILER
EXTERNAL
SPDT RELA
Y
24 V
AC COIL
E
W2
C
R
Y
G
E
W2
C
R
Y
G
O/B
THERMOST
AT
O/B
HEA
TING MODE: REFER
TO
AUXILIAR
Y CONT
ACT
INFORMA
TION
FOR W1
AND W2
W1
W2
C
R
Y2
Y1
D
O/B
G
R
Y1
W2W1
FZFZ
Y2
C
A3
A2
A1
L
N
J5
J7
J4
O/B
Y2
Y1
R
C
W1
CONDENSER
E
W2
C
R
Y2
G
O/B
THERMOST
AT
Y1
ANTI-ICE
CONTROL
E
W2
C
R
Y2
G
O/B
Y1
EXTERNAL
SPDT RELA
Y
24 V
AC COIL
T
T
DR
Y CONT
ACT
TO BOILER
HEA
TING MODE: REFER
TO
AUXILIAR
Y CONT
ACT
INFORMA
TION
FOR W1
AND W2