Reference – Greenheck DGK (468695) User Manual
Page 18
18
1. Grounding Lug - Completes electrical circuit.
2. Motor Starter - 24 volt magnetic contacts for
starting motor, 3 phase motors have electronic
overload.
3. Control Transformer - Provides 24 volts for
controls.
4. Main Disconnect - On/Off switch, provides single
point power connection to unit.
5. Ignition Control - Monitors flame, shuts down unit
when unsafe conditions are detected.
6. Amplifier - Controls modulating valve; assures the
desired temperature is delivered.
7. High Limit - Prevents unit from discharging air
above a set point.
8. Heating Inlet Air Sensor - Ductstat that
automatically energizes burner when inlet air
temperature falls below set point.
ACCESS PANEL TO:
• BURNER,
• SPARK ROD
• FLAME ROD
AIRFLOW SWITCH
INLET AIR SENSOR
HIGH LIMIT
AMPLIFIER
IGNITION CONTROL
CONTACTOR
GOUNDING LUG
TRANSFORMER
BURNER MANUAL
SHUTOFF VALVE
COMBINATION
SHUT-OFF
VALVE/REGULATOR
GAS CONNECTION
MODULATING
VALVE
AIRFLOW TAP
AIRFLOW TAP
BURNER
VIEWPORT
1
2
3
4
6
7
8
5
Reference
Typical DGK-H15 Gas Train Layout – Less than 400 MBH and Control Center Layout
This is a typical gas train. The gas train in your unit may be different.
Model DGK Make-Up Air
®
- VCD-40 Extension Pin Kit 316SS (475290) (2 pages)
- 331-2856, 332-2856 - Siemens 6 Actuator (454206) (2 pages)
- 331-2976, 332-2976 - Siemens 4 Actuator (454202) (2 pages)
- 331-4551, 332-4551 - Siemens 3 Actuator (454201) (2 pages)
- Adjustable Pressure Controller (468292) (3 pages)
- 7800 Series Relay Modules (12 pages)
- Standard Control - MSSC (476372) (4 pages)
- NFB Series Actuators External Mount (464236 IOM) (2 pages)
- GND Series External Mount (473723) (4 pages)
- Amplifier for 7800 Series Relay Module (8 pages)
- APEX Curbs (462831) (4 pages)
- AMD-xx-TD Transmitter (35 pages)
- Blade Seal Repalcement (HCDR Series) (1 page)
- VCD (463384) (12 pages)
- BAPI Zone Pressure Touch (ZPT) Sensor (6 pages)
- VCD (463384) (10 pages)
- Blade Seal Replacement (HCD Series) (2 pages)
- BR Series - Counterweight Adjustment (469420) (4 pages)
- Leakage Rated Ceiling Radiation Dampers (475063 IOM). (32 pages)
- Canopy Hoods (452413 IOM) (36 pages)
- Clean-Out Port Kit (472428) (1 page)
- Centrifugal (CSW, BIDW, AFDW), Industrial (IPA, IPO, IPW) and Filtered Supply (LSF) (463687) (12 pages)
- Close Indicator Switch for Fire Dampers (474050) (1 page)
- Concrete Floor with Steel Deck Supplement (463562) (1 page)
- CRD-3XX and CRD-7XX Series for SP fans (452832) (2 pages)
- VCD (463384) (8 pages)
- VCD (463384) (4 pages)
- Single Side Retaining Angle (52 pages)
- DG / DGX with Pilot Ignition (463555 IOM) (Pre-2008) (48 pages)
- DG / DGX with Direct Spark (470652) (40 pages)
- Digital Temperature Interlock (474750 IOM) (Pre November 2012) (8 pages)
- DG / DGX with Pilot Ignition (463555 IOM) (Pre-2008) (52 pages)
- Double Gland Axle Seal Replacement (1 page)
- Dock Arm Kit (475367) (4 pages)
- Duct Heaters Series IDHB and IDHC (478052) (8 pages)
- EHH-601D, Channel Installation (474643) (10 pages)
- EHH-601D, Channel Installation with VCD-40 Damper (474644) (8 pages)
- EHH-601D, Flange/Sleeve Installation (474641) (8 pages)
- GM Series (468391) (4 pages)
- EHH-601D, Flange/Sleeve Installation with VCD-40 Damper (474642) (8 pages)
- El-O-Matic E and P Series (12 pages)
- Energy Recovery Filter Hood System (8 pages)
- ERV-582/120 Curbs (460988) (4 pages)
- ESD-635D, Chanel Installation (474639) (10 pages)