Gas valves – Greenheck PVF/PVG Indirect Gas-Fired Heat Modules (474645) User Manual
Page 16
Indirect Gas-Fired Heat Modules
16
®
Gas Valves
Overview of typical Two Stage Valve.
Used in eight stage and two stage furnaces.
Overview of typical Modulating Valve.
Used in 4:1 Electronic Modulation
Low Fire and High Fire
adjustments are made
on printed circuit board
behind removable cover
Low Fire
Adjusting Screw
High Fire
Adjusting Screw
Terminal Block
Gas Control Knob
(ON / OFF)
Close-up of Terminal Block
High fire terminal is the bottom of
three terminals.
LO
C
HI
See also other documents in the category Greenheck Equipment:
- 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)
- DGK (468695) (20 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)