Blakeslee DD-8 - Manual (Page 25)

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SYM. DESCRIPTION
TB
Terminal Block
GL Ground Lug
MC 25A Motor Contactor
OL Overload Relay
MTR 1.5 HP Motor 208-240/480V, 3 PH, 60Hz
1.5 HP Motor 115/230V, 1 PH, 60Hz
CT .150 KVA Transformer
MC-A Auxiliary Contact Block (3-phase only)
FH Fuse Holder
FU 1.6A Fuse
SW-2 Toggle Switch (On-Off-Momentary)
DS Door Switch
PB Pushbutton (Start)
TR Timer, 60-Sec. (3 cams)
1LT Cycle Light (Amber)
2LT Power Light (Red)
TAS-1 Thermostat
SOL
Solenoid Valve
HC Contactor (Elec. Tank Heat)
HTR 3KV Immersion Heater
GC Gas Control (LP or Nat.)
SSOL Solenoid Valve (Steam)
LWC Low Water Cutoff
TAS-2 Thermostat (High Limit)
TM Auto Fill Timer, 3-Min.
SW 3&4 Toggle Switch (On-Off)
CR1 Relay
1. All wires are identified with wire markers.
2. Line, motor circuit and immersion heater wires are
#12 AWG Black, type MTW, 105 C, 600 V.
3. Control circuit wires are 16 AWG Red, type MTW,
105 C, 600 V.
4, TR-1 is a cam switch located next to the Timer
Motor TR.
5. Numbers in the square boxes are Booster
Control circuit connection points.
6. indicates optional feature.