Operation Manual

62
GT 530A DDR_G30A/AE _IO_V4.0 09/2013
De Dietrich Cast Iron Boiler Temperature Controller Model S3NA (standard version)
1
Safety Hi-Limit (Manual Reset) Fixed Setting
120°C [248°F]
2
Panel fuse protection (resettable-breaker) 250v
10A rated
3 Main ON/OFF Switch
4 Operating limits dial conversion
5 Limit adjustable 40-100°C [104-212°F]
6
Aux Limit adjustable 40-100°C [104-212°F] op-
tionalusage, for 2 stage control (L-H-L) or ad-
ditional operating limit, additional relay required
not provided
7
Man/Auto/STB 3 position operating switch:Man
= Local paneloperationAuto = Remote control
operation–separate operating control required.
STB = Testing Safety limit function
8
Aux Switch –Optional usage (not part of safety
circuit) consult factory for appropriate use and
applications.
9
Provisional panel knockout for optional digital
control offering (consult factory for availability)
Connections
OVERVIEW OF COMPONENTS
1
2 3 4 5 6 7 8 9
S3NA
WARNING
• All replacement and eld wiring min 18awg. Type
TEW or 1015 CSA/UL approved.
• It is the sole responsibility of the installer/owner
that the controls are operating correctly
• Wiring mistake can lead to personal injury
(including death) or property damage. Mark all
wires when prior to servicing or replacing wires or
components.
• All water piping shall be arranged to avoid spray
or ingestion of water on control
• Do not operate control if ingested or damaged by
water. Do not attempt to repair, lockout and tag
equipment replace control immediately.