PERIODIC MAINTENANCE
SECTION 4:
MODELS: GC-2 & GC-3
Item Q: Safety Valve is a protective device set at 15 psi. Malfunction or improper setting of controls may allow the
pressure to exceed 15 psi in the Boiler and will consequently set off this valve.
ONCE A WEEK THIS VALVE SHOULD BE TRIPPED DURING OPERATION TO
ASSURE THAT IT FUNCTIONS PROPERLY.
LEFT SIDE VIEW
Item R: Pressure Regulator reduces the pressure of the steam supplied from the Boiler to the Steam Header and the
Cooker compartments.
TWICE A YEAR UNSCREW THE LARGE HEX HEAD PLUG LOCATED AT THE
BOTTOM OF THE REGULATOR AND REMOVE AND CLEAN THE STRAINER.
Item S: A Thermostatic Steam Trap is plumbed to the steam supply piping from the Boiler and is a mechanical device
that closes on high temperatures and opens when the temperature drops. This Trap allows water formed from
condensed steam to exhaust into the appliance Drain but will retain steam being of a higher temperature.
Item T: Drain for compartments and Boiler approximately 2" pipe size. Must be provided with open air gap type floor
drain.
Item U: Thermostat Capillary Bulb fastened to appliance Drain. Refer to Item P.
Item V: Override Solenoid Valve functions only briefly at initial Start-Up of Boiler and is controlled by override Pressure
Switch (Item M).
Item W: Boiler Blowdown Valve is plumbed to the drain pipe of the Boiler and when specified as automatic will be a
solenoid (electrically operated) valve which will close when energized in order to facilitate maintenance of proper water
level in the Boiler.
HOWEVER. THE STEAMER SHOULD BE SWITCHED OFF AT LEAST ONCE
DAILY WHICH WILL DE-ENERGIZE AND OPEN THE VALVE IN ORDER FOR
THE BLOKDOWN PROCEDURE TO OCCUR AND REMOVE SEDIMENTS.
SCALANTS AND LIME BUILD-UP IN THE BOILER. IF THE APPLIANCE IS
SUPPLIED WITH A MANUAL VALVE. IT SHOULD BE OPENED DAILY WHEN
THE APPLIANCE IS SHUT DOWN.
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Summary of Contents for CQ-325S
Page 10: ...PERIODIC MAINTENANCE SECTION 4 MODELS GC 2 GC 3 FIG 2 SIDE VIEW 8 ...
Page 14: ...PERIODIC MAINTENANCE SECTION 4 MODELS 6C 2 GC 3 FIG 3 12 EXHAUST TO DRAIN STEAM IN ...
Page 25: ...PARTS LIST SECTION 7 COMPARTMENT DOOR ASSEMBLY FIG 4 23 ...
Page 28: ...PARTS LIST SECTION 7 COOKER ASSEMBLY FIG 5 25 ...
Page 30: ...PARTS LIST SECTION 7 COOKER CONTROLS FIG 6 27 ...
Page 32: ...PARTS LIST MODELS GC 2 GC 3 SECTION 7 CABINET FIG 7 29 ...
Page 34: ...PARTS LIST SECTION 7 MODELS GC 2 GC 3 GENERATOR CONTROL BOX ASSEMBLY FIG 8 31 OVERRIDE ...
Page 36: ...PARTS LIST SECTION 7 MODELS GC 2 GC 3 GDA 2 GHD 2 GENERATOR ASSEMBLY FIG 9 33 ...
Page 40: ...WIRING DIAGRAM 37 SECTION 8 MODELS GC 2 GC 3 ...
Page 41: ...WIRING DIAGRAM SECTION 8 MODEL GDA 2 38 ...
Page 42: ...WIRING DIAGRAM 39 SECTION 8 MODEL GHD 2 ...
Page 43: ...WIRING DIAGRAM MODELS EDA 2 SCDA 2 GDA 2 DDA 2 SECTION 9 SUPPLEMENT ...