Page 2 of 57
SK2016 HW-V-AECM-001
Table of Content
E
A.
GENERAL DESCRIPTION ................................................................................................................................................. 4
B.
TECHNICAL DATA .......................................................................................................................................................... 5
B.1.
G
ENERAL
S
PECIFICATION
.................................................................................................................................................... 5
B.1.1.
HW–AECM Series Specifications ............................................................................................................................. 5
B.2.
C
OIL
D
ATA
...................................................................................................................................................................... 6
B.2.1.
2-Pipe Systems ........................................................................................................................................................ 6
B.5.
V
ALVE
I
NFORMATION
...................................................................................................................................................... 11
B.5.2.
3-Way 1/2” Valve Body......................................................................................................................................... 11
C.
SERVICE AND INSTALLATION ....................................................................................................................................... 12
C.1.
I
NSTALLATION OF
H
IGH
-W
ALL
U
NIT
................................................................................................................................... 12
C.1.1.
Selecting a Location .............................................................................................................................................. 12
C.1.2.
Mounting Plate Dimensions .................................................................................................................................. 13
C.1.3.
Installing the Mounting Plate ............................................................................................................................... 14
C.1.4.
Drilling the Condensate Drainage Hole................................................................................................................. 14
C.1.5.
Installing the Hydronic Unit .................................................................................................................................. 15
C.1.6.
Drainage Piping Works ......................................................................................................................................... 15
C.2.
U
NIT
M
AINTENANCE AND
P
REPARATION
............................................................................................................................. 16
C.2.1.
Opening and Closing Of Lift-Up Grille Cover ......................................................................................................... 16
C.2.2.
Removing Front Cover Assembly .......................................................................................................................... 16
C.2.3.
Air Purging ............................................................................................................................................................ 17
C.2.4.
Wiring Connections ............................................................................................................................................... 17
C.3.
P
IPE
C
ONNECTIONS WITH
V
ALVE
....................................................................................................................................... 18
D.
CONTROL SPECIFICATIONS: COMPLETE CONTROL PCB - S TYPE CONTROL ................................................................... 19
D.1.
D
EFINITION OF
I
NPUT
/O
UTPUT
......................................................................................................................................... 19
D.2.
W
IRING
D
IAGRAM
F
ULL
C
ONTROL
PCB
–
S
C
ONTROL
T
YPE
................................................................................................... 20
D.3.
C
ONFIGURATION
S
ETTINGS
............................................................................................................................................... 21
D.4.
C
ONTROL
L
OGICS
F
OR
2-P
IPE
S
YSTEM
................................................................................................................................ 23
D.4.1.
With Thermoelectric Valve Configuration ............................................................................................................ 23
D.4.2.
Without Thermoelectric Valve Configuration ....................................................................................................... 26
D.5.
C
ONTROL
L
OGICS
F
OR
4-P
IPE
S
YSTEM
................................................................................................................................ 28
D.6.
SLEEP
MODE .............................................................................................................................................................. 30
D.7.
A
UTO
F
AN
S
PEED
........................................................................................................................................................... 30
D.8.
L
OUVER
........................................................................................................................................................................ 31
D.9.
B
UZZER
........................................................................................................................................................................ 31
D.10.
A
UTO
R
ESTART
.............................................................................................................................................................. 31
D.11.
O
PERATION
O
F
C
ONTROL
P
ANEL
O
N
H
IGH
-W
ALL
U
NIT
........................................................................................................ 31
D.11.1.
On/Off Switch .................................................................................................................................................. 31
D.11.2.
Electric Heater Safety Switch (on control PCB) ................................................................................................ 31
D.13.
LED
D
ISPLAY AND
E
RROR
D
ESCRIPTION
.............................................................................................................................. 33
D.14.
LED
D
ISPLAY ON
M
ASTER
/S
LAVE CONNECTION
.................................................................................................................... 34
E.
NETWORKING SYSTEM ................................................................................................................................................ 35
E.1.
M
ASTER
–
S
LAVE
N
ETWORK
............................................................................................................................................. 35
E.1.1.
Master – Slave Network Setup ............................................................................................................................. 36
E.1.2.
Master-Slave Communication Method ................................................................................................................. 39
E.2.
U
NIT
N
ETWORK
W
IRING
S
CHEME
..................................................................................................................................... 40
E.3.
O
PEN
M
ODBUS PROTOCOL
.............................................................................................................................................. 41
F.
CONTROL SPECIFICATIONS: FLEXIBLE CONTROL PCB - W TYPE CONTROL .................................................................... 45
F.1.
D
EFINITION OF
I
NPUT
/O
UTPUT
......................................................................................................................................... 45
F.2.
W
IRING DIAGRAM
F
LEXIBLE
C
ONTROL
PCB
-
W
C
ONTROL
T
YPE
.............................................................................................. 46
F.3.
O
NBOARD CONFIGURATION
.............................................................................................................................................. 47
F.4.
C
ONTROL
L
OGICS
........................................................................................................................................................... 48
F.5.
LED
D
ISPLAY
................................................................................................................................................................. 48
F.6.
E
RROR
D
ESCRIPTION
....................................................................................................................................................... 48