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cOnnectiOn diagraM FOr FlaMe rOd current
FOr FlaMe rectiFicatiOn sYsteMs (dsp-5, a5)
Gas
Flame
Flame
Means OF prOVing adeQuate grOunding area
The proper flame-rod-to-ground-area ratio cannot
always be determined by visual examination or physical
measurement. A positive means of checking the instal-
lation is the measurement of the flame rod current
under actual firing conditions. It is definitely recom-
mended that the installer measure the current flow be-
tween the lead of the flame rod unit and the terminal
in the control terminal board (see Figure 3). Measure
the current with a DC Microammeter or equal. We
recommend a steady output of .9 microamperes or
more. A steady flow of current in this amount under
actual firing conditions will generally indicate adequate
grounding of the pilot flame.
Thermostat
CAUTION TO INSTALLER
NEVER CONNECT POWERPILE
GAS VALVE OR THERMOSTAT
TO LINE VOLTAGE OR A
TRANSFORMER.
Powerpile Gas Valve – Honeywell VS820
enerco Group, Inc. | Gas-Fired Infra-Red Space Heaters
Rod
Flame
Rod Assy.
Figure 3 – Using a microammeter to prove adequate grounding area.
tHerMOstat
CONNECTION DIAGRAM
Microammeter
nOte:
1. Read all control data sheet supplied with this heater.
2. Check flame rod for any contact to heater parts. Flame
rod must be free of any contact to heater. Contact with
heater will short circuit flame rod.
3. Cracked porcelain on flame rod will short circuit sensor.
Replace flame rod.
NOTE
Do not exceed the
maximum lengths listed in the
table when wiring between the
Thermostat and Gas Valve with
cable not supplied by HeAT STAR.
Powerpile Thermocouple
Honeywell Q313A
5
Operating Instructions and Owner's Manual
Control
Terminal For
Flame Rod
loadwire
g
MAXIMUM
WIRe
leNGTH
SIZeS
oF WIRe
CABle
No 18
15 FeeT
No 16
30 FeeT
No 14
50 FeeT
Factory wired
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