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Fujitsu UTW-SCBYA User Manual
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gure 20 - Electrical wiring of Control Box (except installer's connections)
1a
2a
1b
2b
BK
WH
RD
GN
BK
WH
RD
GN
RT
KECS
L
N
N
QX3
Q
X
5
Q
X
6
Q
X
7
U
X
U
r
ef
H
1
H
3
X
3
0
D
O1
D
O
2
M
B
X4
BX
5
1
L
2
N
3
COM
4
5
6
7
8
N
9
L
10
11
12
L
13
N
14
L
15
N
OUTDOOR
UNIT
BOILER
CONNECT
.
BOILER
VAL
VE
DHW. BACK UP
SUPPLY
DHW. BACK UP
CONNECT
16
17
18
L
19
N
Connections to regulator
,
accessories and options
(see
gure 8, page 8
).
Connections
to terminals
(see
gure 7, page 8
)
Start/stop
switch
Installation and operating manual "1395 - EN"
Control Box
- 34 -
33
35
Table of Contents
Table of Contents
3
Description of the Unit
4
Package
4
Designation
4
Specifications
4
Description
5
Operating Principle
6
Installation Instructions
7
Installation
7
Installation of the Control Box
7
Outdoor Sensor
7
Room Thermostat (Option)
7
Room Control Unit (Option)
7
DHW Sensor (Option)
8
Electrical Connections
9
Start-Up
10
Configuring Room Thermostat
10
Configuring Room Control Unit
10
User Interface, Room Control Unit (Option) and Room Thermostat (Option)
12
Setting the Slope of Heating
14
Temperature Control
14
Manual Adjustment
14
Self-Adaptation
14
Parametering the Setting
16
General
16
Setting Parameters
16
List of Function Lines (Settings, Diagnosis, Status)
16
Configuration 1, 2, 5 or 7
29
Hydraulic Connections
29
Electrical Connections
29
Parametering the Setting
29
Special Cases
29
Faults Displayed on the Control Box
35
Information Display
35
Start-Up
36
Start-Up Check-List
36
Before Starting-Up
36
Starting-Up
37
Settings Sheet
38
Start-Up Data Sheet
39
4
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Fujitsu UTW-SCBYA Specifications
General
Brand
Fujitsu
Model
UTW-SCBYA
Category
Control Unit
Language
English
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