Operation Manual
65
GT 530ADDR_G30A/AE _IO_V4.0 09/2013
65
GT 530A DDRA 001 v1.0 06/2010
S2NA (ME50) or S3NA (MD5) Temperature control panel (Internal wiring by DDR-De Dietrich factory)
Panel Application Wiring
ON/OFF (single stage) operation
1 2 3
4
5 6
7
9 10
11
8 13 14
12
16
15
18 1917
21
20 23
24
22 2625 28 29
27
3130
33
3432 3635 38
37
120/60/1
Main Power Supply
Tekmar®
thermostat TT
connection
CS – Safety
Contact 120v
1
st
Stage
2
nd
stage
N Gnd
Heating
Pump
L N
Burner Connections
L
N
DHW
Pump
120/24v
Transformer
Tekmar®
DBC-001 & 002 Control Connections
Tekmar®
DBC-001 & 002 Sensor Connections
Optional wiring for Digital Control or BMS/BAS integration
Burner Connections
Fuse
15A Max.
Service
Switch
LWCO
Optional
Limit
Vent safety
switch
Vent safety
switch
Main Power 120/60/1
Burner application wiring note:
Single phase burner motors less
than 10amp. Higher motor draws
requires separate motor starter
relay or separate power supply to
motor, consult documentation
supplied with the burner.
Only if 24v
transformer installed
(OEM digital control option)
WARNING
FAILURE TO FOLLOWING THESE PROCEDURES
OR WARNING COULD RESULT IN PROPERTY
DAMAGE PERSONAL INJURY INCLUDING
DEATH MAY RESULT IN WIRING MISTAKES.
Wiring must be in strict compliance with CSA
C22.2 and NEC/NFPA 70. All wiring shown
supplied and wired by others. This equipment
must be earth bonded or grounded.
All wiring (eld or replacement) must be
min 18AWG type CSA TEW/ UL 1015 rated
105°C or an approved equivalent. All wiring
and panels must be shielded from spray or
ingestion of water. Any portion of the control
which has been subject to spray or ingestion
of water, the entire control must be replaced.
It is the responsibility of the installer/owner
to verify the controls are functioning correctly
and are adjusted correctly. Suitable wire
protection and strain relief’s are required
(upstream & downstream) of the control
panel.Line voltage wiring and low voltage
sensor wiring must use separate wire conduits.
LABEL ALL WIRES PRIOR TO DISCONNECTING
THEM FOR SERVICE.
Electrical ow direction (Always observe)
Field wiring (By Others)
L
Main power supply (fused)
L
Burner connections










