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Ensure gas valve motor rotational
switch to L (normal position). Reset
active duct sensor temperature set
point to 40
˚
C adjust the span settings
to ensure the gas valve does not hunt
replace cover.
Tamper sealings
On completition of commissioning all
adjustable settings are to be sealed
with suitable evident seal.
Safety checks
With the burner firing, close burner
isolating valve V6, lockout will occur.
Open valve and reset lockout
condition.
Remove the air sensing tube from the
bottom connection of the air pressure
switch. The heater will lockout.
Replace and reset. Adjust overheat
controller set point down until heater
shuts off on overheat. Reset
temperature to 85
˚
C for the DV range
and 75
˚
C for the DH range. Reset by
depressing amber illuminated push
button on front of panel.
Instructions
On completition of commissioning the
engineer must instruct the end user
basic start up/shut down procedures.
Component
Limiting concentration
(CL) PPM (5 V/V)
Carbon
10
Carbon Dioxide
2500
(0.25)
Nitric Oxide
5
(0.0005)
Nitrogen Dioxide
1
(0.0001)
Aldehydes
0.4
(0.00004)
Содержание DH2 150
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