63
GT 530A
DDR_G30A/AE _IO_V4.0 09/2013
63
GT 530A
DDRA 001 v1.0 06/2010
1
2
3
4
5
6
7
9
10
11
8
13
14
12
16
15
18
19
17
21
20
23
24
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26
25
28
29
27
31
30
33
34
32
36
35
38
37
120/60/
1
Main Power Suppl
y
Tekmar®
thermostat TT
connectio
n
CS –
Safety
Contact 120v
1
st
Stag
e
2
nd
stag
e
N
Gn
d
Heating
Pump
Limit Circuit
Burner Connections
DH
W
Pump
120/24
v
Transforme
r
DBC-001 & 002 Control Connections
DBC-001 & 002 Sensor Connections
Optional wiring for Digital boiler control(s)
DBC-001 & 002 controlle
r
Burner Conn
ections
Fuse
Disconnec
t
15A Max
.
Service Switch
LWCO
Optional
Limit
Optional
(No) Contact
Vent safety switch
Or jumper
Optional Safety
Interlock
Main Power
120/60/1
0-135ohm, 0-10v
or 4-20mA Mod. signal
2
14
15
16
11
Burner main
power 120/60/1
3
L
N
4
S2NA or S3NA T
emper
ature control P
anel (Internal wiring b
y DDR
-De Dietrich F
actory)
Panel Application Wiring Full Modulating Operation
All field wiring shown by others
Burner terminals
Boiler panel terminals
WARNING
Failure to following these procedures or w
arning
could re
sult in propert
y damage.
Personal injury including death ma
y
result in wiring mistak
es. Wiring must be
in strict compliance with csa c22.2 And NEC/NFP
A 70. All wiring shown supplied
and wired b
y others. This equipment
must be earth bonded or grounded. All
wiring (field or replacement) must be min 18a
wg t
ype csa tew/ ul 1015 r
ated
105°c or an appro
ved equiv
alent.
All wiring and panels must be shielded from spr
ay or ingestion of w
ater
. An
y
portion of the control which has been subject to spr
ay or ingestion of w
ater
,
the entire control must be replaced. It is the responsibilit
y of the installer/
owner to v
erif
y the controls are
functioning correctly and are adjusted correctly
. Suitable wire protection and
str
ain relief
’s are required (upstream &
downstream) of the control panel. •
Line v
oltage wiring and low v
oltage
sensor wiring must use separ
ate wire
conduits.
•
Label all wires prior to disconnecting
them for service.